pseudomonas syringae

Summary

Summary: A species of gram-negative, fluorescent, phytopathogenic bacteria in the genus PSEUDOMONAS. It is differentiated into approximately 50 pathovars with different plant pathogenicities and host specificities.

Top Publications

  1. ncbi A plant miRNA contributes to antibacterial resistance by repressing auxin signaling
    Lionel Navarro
    Sainsbury Laboratory, John Innes Centre, Colney Lane, Norwich NR4 7UH, UK
    Science 312:436-9. 2006
  2. ncbi Plant stomata function in innate immunity against bacterial invasion
    Maeli Melotto
    Department of Energy Plant Research Laboratory, Michigan State University, East Lansing, MI 48824, USA
    Cell 126:969-80. 2006
  3. ncbi De novo assembly using low-coverage short read sequence data from the rice pathogen Pseudomonas syringae pv. oryzae
    Josephine A Reinhardt
    Department of Biology, University of North Carolina, Chapel Hill, North Carolina 27599, USA
    Genome Res 19:294-305. 2009
  4. ncbi Whole-genome sequence analysis of Pseudomonas syringae pv. phaseolicola 1448A reveals divergence among pathovars in genes involved in virulence and transposition
    Vinita Joardar
    The Institute for Genomic Research, 9712 Medical Center Dr, Rockville, MD 20850, USA
    J Bacteriol 187:6488-98. 2005
  5. ncbi Comparative genome analysis provides insights into the evolution and adaptation of Pseudomonas syringae pv. aesculi on Aesculus hippocastanum
    Sarah Green
    Centre for Forestry and Climate Change, Forest Research, Roslin, Midlothian, United Kingdom
    PLoS ONE 5:e10224. 2010
  6. ncbi A bacterial virulence protein suppresses host innate immunity to cause plant disease
    Kinya Nomura
    Department of Energy Plant Research Laboratory, Michigan State University, East Lansing, MI 48824, USA
    Science 313:220-3. 2006
  7. ncbi Making sense of hormone crosstalk during plant immune responses
    Steven H Spoel
    Department of Biology, P O Box 90338, Duke University, Durham, NC 27708, USA
    Cell Host Microbe 3:348-51. 2008
  8. ncbi A nonribosomal peptide synthetase gene (mgoA) of Pseudomonas syringae pv. syringae is involved in mangotoxin biosynthesis and is required for full virulence
    Eva Arrebola
    Departamento de Microbiologia, Facultad de Ciencias, Universidad de Malaga, Malaga, Spain
    Mol Plant Microbe Interact 20:500-9. 2007
  9. ncbi Role of recombination in the evolution of the model plant pathogen Pseudomonas syringae pv. tomato DC3000, a very atypical tomato strain
    Shuangchun Yan
    Department of Plant Pathology, Physiology, and Weed Science, Virginia Polytechnic Institute and State University, Latham Hall, Ag Quad Lane, Blacksburg, Virginia 24061, USA
    Appl Environ Microbiol 74:3171-81. 2008
  10. ncbi Specific ER quality control components required for biogenesis of the plant innate immune receptor EFR
    Jing Li
    The Sainsbury Laboratory, Norwich Research Park, Norwich, NR4 7UH, United Kingdom
    Proc Natl Acad Sci U S A 106:15973-8. 2009

Research Grants

  1. Stomate-based innate immunity against bacterial infection in Arabidopsis
    Maeli Melotto; Fiscal Year: 2010
  2. Stomate-based innate immunity against bacterial infection in Arabidopsis
    Maeli Melotto; Fiscal Year: 2010
  3. Diversity and evolution of Pseudomonas syringae type III effectors (RO1GM066025)
    Jeffery L Dangl; Fiscal Year: 2010
  4. Suppression of innate immunity by an ADP-ribosyltransferase type III effector
    JAMES ALFANO; Fiscal Year: 2009
  5. Suppression of innate immunity by an ADP-ribosyltransferase type III effector
    JAMES ROBERT ALFANO; Fiscal Year: 2010
  6. Suppression of innate immunity by an ADP-ribosyltransferase type III effector
    JAMES ROBERT ALFANO; Fiscal Year: 2011
  7. Modular Enzymatic Assembly Lines for Antibiotics
    Christopher Walsh; Fiscal Year: 2007
  8. BIOSYNTHESIS OF CYCLOPENTANOIDS
    Ronald Parry; Fiscal Year: 1993
  9. GENETICS OF DISEASE RESISTANCE IN ARABIDOPSIS THALIANA
    Roger Innes; Fiscal Year: 2003
  10. GENETIC ANALYSIS OF THE PLANT DEFENSE RESPONSE
    FREDERICK AUSUBEL; Fiscal Year: 1993

Detail Information

Publications261 found, 100 shown here

  1. ncbi A plant miRNA contributes to antibacterial resistance by repressing auxin signaling
    Lionel Navarro
    Sainsbury Laboratory, John Innes Centre, Colney Lane, Norwich NR4 7UH, UK
    Science 312:436-9. 2006
    ..In Arabidopsis, perception of flagellin increases resistance to the bacterium Pseudomonas syringae, although the molecular mechanisms involved remain elusive...
  2. ncbi Plant stomata function in innate immunity against bacterial invasion
    Maeli Melotto
    Department of Energy Plant Research Laboratory, Michigan State University, East Lansing, MI 48824, USA
    Cell 126:969-80. 2006
    ..We provide evidence that supports a model in which stomata, as part of an integral innate immune system, act as a barrier against bacterial infection...
  3. ncbi De novo assembly using low-coverage short read sequence data from the rice pathogen Pseudomonas syringae pv. oryzae
    Josephine A Reinhardt
    Department of Biology, University of North Carolina, Chapel Hill, North Carolina 27599, USA
    Genome Res 19:294-305. 2009
    ..We applied this method to two isolates of the phytopathogenic bacteria Pseudomonas syringae. Sequencing and reassembly of the well-studied tomato and Arabidopsis pathogen, Pto(DC3000), facilitated ..
  4. ncbi Whole-genome sequence analysis of Pseudomonas syringae pv. phaseolicola 1448A reveals divergence among pathovars in genes involved in virulence and transposition
    Vinita Joardar
    The Institute for Genomic Research, 9712 Medical Center Dr, Rockville, MD 20850, USA
    J Bacteriol 187:6488-98. 2005
    b>Pseudomonas syringae pv. phaseolicola, a gram-negative bacterial plant pathogen, is the causal agent of halo blight of bean. In this study, we report on the genome sequence of P. syringae pv...
  5. ncbi Comparative genome analysis provides insights into the evolution and adaptation of Pseudomonas syringae pv. aesculi on Aesculus hippocastanum
    Sarah Green
    Centre for Forestry and Climate Change, Forest Research, Roslin, Midlothian, United Kingdom
    PLoS ONE 5:e10224. 2010
    A recently emerging bleeding canker disease, caused by Pseudomonas syringae pathovar aesculi (Pae), is threatening European horse chestnut in northwest Europe. Very little is known about the origin and biology of this new disease...
  6. ncbi A bacterial virulence protein suppresses host innate immunity to cause plant disease
    Kinya Nomura
    Department of Energy Plant Research Laboratory, Michigan State University, East Lansing, MI 48824, USA
    Science 313:220-3. 2006
    ..However, successful pathogens, such as Pseudomonas syringae, have developed countermeasures and inject virulence proteins into the host plant cell to suppress immunity ..
  7. ncbi Making sense of hormone crosstalk during plant immune responses
    Steven H Spoel
    Department of Biology, P O Box 90338, Duke University, Durham, NC 27708, USA
    Cell Host Microbe 3:348-51. 2008
    ..Here we discuss the various roles that crosstalk may play in response to pathogens with different infection strategies...
  8. ncbi A nonribosomal peptide synthetase gene (mgoA) of Pseudomonas syringae pv. syringae is involved in mangotoxin biosynthesis and is required for full virulence
    Eva Arrebola
    Departamento de Microbiologia, Facultad de Ciencias, Universidad de Malaga, Malaga, Spain
    Mol Plant Microbe Interact 20:500-9. 2007
    b>Pseudomonas syringae pv. syringae, which causes the bacterial apical necrosis of mango, produces the antimetabolite mangotoxin. We report here the cloning, sequencing, and identity analysis of a chromosomal region of 11...
  9. ncbi Role of recombination in the evolution of the model plant pathogen Pseudomonas syringae pv. tomato DC3000, a very atypical tomato strain
    Shuangchun Yan
    Department of Plant Pathology, Physiology, and Weed Science, Virginia Polytechnic Institute and State University, Latham Hall, Ag Quad Lane, Blacksburg, Virginia 24061, USA
    Appl Environ Microbiol 74:3171-81. 2008
    b>Pseudomonas syringae pv. tomato strain DC3000 (PtoDC3000) is one of the most intensively studied bacterial plant pathogens today...
  10. ncbi Specific ER quality control components required for biogenesis of the plant innate immune receptor EFR
    Jing Li
    The Sainsbury Laboratory, Norwich Research Park, Norwich, NR4 7UH, United Kingdom
    Proc Natl Acad Sci U S A 106:15973-8. 2009
    ..These data reveal a previously unsuspected role of a specific subset of ER-QC machinery components for PRR accumulation in plant innate immunity...
  11. ncbi Analysis of achromobactin biosynthesis by Pseudomonas syringae pv. syringae B728a
    Andrew D Berti
    Department of Bacteriology, University of Wisconsin Madison, Madison, WI 53706, USA
    J Bacteriol 191:4594-604. 2009
    b>Pseudomonas syringae pv. syringae B728a is known to produce the siderophore pyoverdine under iron-limited conditions. It has also been proposed that this pathovar has the ability to produce a second siderophore, achromobactin...
  12. ncbi Comparison of the complete genome sequences of Pseudomonas syringae pv. syringae B728a and pv. tomato DC3000
    Helene Feil
    Department of Plant and Microbial Biology, University of California, Berkeley, CA 94720, USA
    Proc Natl Acad Sci U S A 102:11064-9. 2005
    The complete genomic sequence of Pseudomonas syringae pv. syringae B728a (Pss B728a) has been determined and is compared with that of P. syringae pv. tomato DC3000 (Pst DC3000)...
  13. ncbi Transcriptome analysis of Pseudomonas syringae identifies new genes, noncoding RNAs, and antisense activity
    Melanie J Filiatrault
    USDA Agricultural Research Service, Plant Microbe Interactions Research Unit, Cornell University, Plant Science Bldg, Room 334, Ithaca, NY 14853, USA
    J Bacteriol 192:2359-72. 2010
    ..Overall, our approach provides an efficient way to survey global transcriptional activity in bacteria and enables rapid discovery of specific areas in the genome that merit further investigation...
  14. ncbi Comparative genomic analysis of the pPT23A plasmid family of Pseudomonas syringae
    Youfu Zhao
    Department of Plant Pathology, Michigan State University, East Lansing, MI 48824, USA
    J Bacteriol 187:2113-26. 2005
    Members of the pPT23A plasmid family of Pseudomonas syringae play an important role in the interaction of this bacterial pathogen with host plants...
  15. ncbi The life history of the plant pathogen Pseudomonas syringae is linked to the water cycle
    Cindy E Morris
    Unité de Pathologie Végétale UR407, INRA, Montfavet, France
    ISME J 2:321-34. 2008
    b>Pseudomonas syringae is a plant pathogen well known for its capacity to grow epiphytically on diverse plants and for its ice-nucleation activity...
  16. ncbi A draft genome sequence of Pseudomonas syringae pv. tomato T1 reveals a type III effector repertoire significantly divergent from that of Pseudomonas syringae pv. tomato DC3000
    Nalvo F Almeida
    Virginia Bioinformatics Institute, Virginia Tech, Blacksburg, VA 24061, USA
    Mol Plant Microbe Interact 22:52-62. 2009
    ..pathogen-associated molecular patterns, and type III secreted effectors influence interactions between Pseudomonas syringae strains and plants, with additional yet uncharacterized factors likely contributing as well...
  17. ncbi Pseudomonas syringae type III secretion system effectors: repertoires in search of functions
    Sébastien Cunnac
    Department of Plant Pathology and Plant Microbe Biology, Cornell University, Ithaca, NY 14850, USA
    Curr Opin Microbiol 12:53-60. 2009
    The ability of Pseudomonas syringae to grow and cause diseases in plants is dependent on the injection of multiple effector proteins into plant cells via the type III secretion system (T3SS)...
  18. ncbi From bacterial avirulence genes to effector functions via the hrp delivery system: an overview of 25 years of progress in our understanding of plant innate immunity
    John W Mansfield
    Division of Biology, Imperial College London, SW7 2AZ, UK
    Mol Plant Pathol 10:721-34. 2009
    ..This article (focusing on Pseudomonas syringae) charts the development of ideas and research progress over the 25 years following the breakthrough ..
  19. ncbi Dynamic evolution of pathogenicity revealed by sequencing and comparative genomics of 19 Pseudomonas syringae isolates
    David A Baltrus
    Department of Biology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
    PLoS Pathog 7:e1002132. 2011
    ..In many Gram- negative bacteria, including the phytopathogen Pseudomonas syringae, type III effectors (TTEs) are essential for pathogenicity, instrumental in structuring host range, and ..
  20. ncbi Comparative genomics of host-specific virulence in Pseudomonas syringae
    Sara F Sarkar
    Department of Botany, University of Toronto, Ontario, Canada
    Genetics 174:1041-56. 2006
    ..We identified candidate Pseudomonas syringae host-specific virulence genes by searching for genes whose distribution among natural P...
  21. ncbi The BRI1-associated kinase 1, BAK1, has a brassinolide-independent role in plant cell-death control
    Birgit Kemmerling
    Department of Plant Biochemistry, Center for Plant Molecular Biology, Eberhard Karls University Tubingen, Tubingen, Germany
    Curr Biol 17:1116-22. 2007
    ..We propose a novel, BL-independent function of BAK1 in plant cell-death control that is distinct from its BL-dependent role in plant development...
  22. ncbi A Pseudomonas syringae effector inactivates MAPKs to suppress PAMP-induced immunity in plants
    Jie Zhang
    National Key Laboratory of Plant Molecular Genetics, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200032, China
    Cell Host Microbe 1:175-85. 2007
    ..To suppress immunity, the phytopathogenic bacterium Pseudomonas syringae secretes effector proteins, the biochemical function and virulence targets of which remain largely unknown...
  23. ncbi Deletions in the repertoire of Pseudomonas syringae pv. tomato DC3000 type III secretion effector genes reveal functional overlap among effectors
    Brian H Kvitko
    Department of Plant Pathology and Plant Microbe Biology, Cornell University, Ithaca, New York, USA
    PLoS Pathog 5:e1000388. 2009
    The gamma-proteobacterial plant pathogen Pseudomonas syringae pv. tomato DC3000 uses the type III secretion system to inject ca...
  24. ncbi Specific bacterial suppressors of MAMP signaling upstream of MAPKKK in Arabidopsis innate immunity
    Ping He
    Department of Molecular Biology, Massachusetts General Hospital, and Department of Genetics, Harvard Medical School, Boston, MA 02114, USA
    Cell 125:563-75. 2006
    ..In Arabidopsis, nonhost/nonpathogenic Pseudomonas syringae sustains but pathogenic P...
  25. ncbi Suppression of the microRNA pathway by bacterial effector proteins
    Lionel Navarro
    Institut de Biologie Moleculaire des Plantes, CNRS UPR 2353 Université Louis Pasteur, 12 rue du Général Zimmer, 67084 Strasbourg Cedex, France
    Science 321:964-7. 2008
    ..miRNA-deficient mutants of Arabidopsis partly restore growth of a type III secretion-defective mutant of Pseudomonas syringae. These mutants also sustained growth of nonpathogenic Pseudomonas fluorescens and Escherichia coli strains, ..
  26. ncbi The BOS loci of Arabidopsis are required for resistance to Botrytis cinerea infection
    Paola Veronese
    Department of Botany and Plant Pathology, Purdue University, 915 W State Street, West Lafayette, IN 47907 2054, USA
    Plant J 40:558-74. 2004
    ..bos4 shows the broadest range of effects on resistance, being more susceptible to avirulent strain of Pseudomonas syringae pv. tomato...
  27. ncbi Interplay between MAMP-triggered and SA-mediated defense responses
    Kenichi Tsuda
    Department of Plant Biology, Microbial and Plant Genomics Institute, University of Minnesota, 1500 Gortner Avenue, St Paul, MN 55108, USA
    Plant J 53:763-75. 2008
    ..We found that SA accumulated at a higher level 6 h after treatment with a MAMP, flg22 or inoculation with Pseudomonas syringae pv. tomato DC3000 (PstDC3000) hrcC mutant, which is deficient in TTSS function...
  28. ncbi Separable roles of the Pseudomonas syringae pv. phaseolicola accessory protein HrpZ1 in ion-conducting pore formation and activation of plant immunity
    Stefan Engelhardt
    Center for Plant Molecular Biology Plant Biochemistry, University of Tubingen, Tubingen, Germany
    Plant J 57:706-17. 2009
    The HrpZ1 gene product from phytopathogenic Pseudomonas syringae is secreted in a type-III secretion system-dependent manner during plant infection...
  29. ncbi Recombineering and stable integration of the Pseudomonas syringae pv. syringae 61 hrp/hrc cluster into the genome of the soil bacterium Pseudomonas fluorescens Pf0-1
    William J Thomas
    Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR 97331, USA
    Plant J 60:919-28. 2009
    ..Tn5-mediated transposition to clone and stably integrate, respectively, the complete hrp/hrc region from Pseudomonas syringae pv. syringae 61 into the genome of the soil bacterium Pseudomonas fluorescens Pf0-1...
  30. ncbi A draft genome sequence and functional screen reveals the repertoire of type III secreted proteins of Pseudomonas syringae pathovar tabaci 11528
    David J Studholme
    The Sainsbury Laboratory, Norwich, UK
    BMC Genomics 10:395. 2009
    b>Pseudomonas syringae is a widespread bacterial pathogen that causes disease on a broad range of economically important plant species. Pathogenicity of P...
  31. ncbi Bacterial effectors target the common signaling partner BAK1 to disrupt multiple MAMP receptor-signaling complexes and impede plant immunity
    Libo Shan
    Department of Molecular Biology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
    Cell Host Microbe 4:17-27. 2008
    ..For example, the ubiquitous plant pathogen Pseudomonas syringae injects two sequence-distinct effectors, AvrPto and AvrPtoB, to intercept convergent innate immune ..
  32. ncbi Pathogen-associated molecular pattern recognition rather than development of tissue necrosis contributes to bacterial induction of systemic acquired resistance in Arabidopsis
    Tatiana E Mishina
    Julius von Sachs Institute of Biological Sciences, University of Wurzburg, Julius von Sachs Platz 3, D 97082 Wurzburg, Germany
    Plant J 50:500-13. 2007
    ..Here we show that Pseudomonas syringae strains for which Arabidopsis thaliana represents a non-host plant systemically elevate resistance although ..
  33. ncbi COI1 is a critical component of a receptor for jasmonate and the bacterial virulence factor coronatine
    Leron Katsir
    Department of Energy Plant Research Laboratory, Michigan State University, East Lansing, MI 48824, USA
    Proc Natl Acad Sci U S A 105:7100-5. 2008
    ..The virulence factor coronatine (COR), which is produced by plant pathogenic strains of Pseudomonas syringae, suppresses host defense responses by activating JA signaling in a COI1-dependent manner...
  34. ncbi Type III effector diversification via both pathoadaptation and horizontal transfer in response to a coevolutionary arms race
    Wenbo Ma
    Department of Cell and Systems Biology, University of Toronto, Toronto, Ontario, Canada
    PLoS Genet 2:e209. 2006
    ..and function of the HopZ family of type III secreted effector proteins carried by the plant pathogen Pseudomonas syringae are influenced by a coevolutionary arms race between pathogen and host. We surveyed 96 isolates of P...
  35. ncbi The targeting of plant cellular systems by injected type III effector proteins
    Jennifer D Lewis
    Department of Cell and Systems Biology, University of Toronto, 25 Willcocks St, Toronto, ON M5S3B2, Canada
    Semin Cell Dev Biol 20:1055-63. 2009
    ..Effector-host interactions reveal different stages of the battle between pathogen and host, as well as the diverse molecular strategies employed by bacterial pathogens to hijack eukaryotic cellular systems...
  36. ncbi Pseudomonas syringae type III effector AvrRpt2 alters Arabidopsis thaliana auxin physiology
    Zhongying Chen
    Department of Biology, Washington University, St Louis, MO 63130, USA
    Proc Natl Acad Sci U S A 104:20131-6. 2007
    The Pseudomonas syringae type III effector AvrRpt2 promotes bacterial virulence on Arabidopsis thaliana plants lacking a functional RPS2 gene (rps2 mutant plants)...
  37. ncbi A family of conserved bacterial effectors inhibits salicylic acid-mediated basal immunity and promotes disease necrosis in plants
    Sruti DebRoy
    Cell and Molecular Biology Program and Department of Energy Plant Research Laboratory, Michigan State University, East Lansing, MI 48824, USA
    Proc Natl Acad Sci U S A 101:9927-32. 2004
    ..It is known that mutations in conserved effector loci (CEL) in the plant pathogens Pseudomonas syringae (the Delta CEL mutation), Erwinia amylovora (the dspA/E mutation), and Pantoea stewartii subsp...
  38. ncbi Early genomic responses to salicylic acid in Arabidopsis
    Francisca Blanco
    Departamento de Genetica Molecular y Microbiologia, Facultad de Ciencias Biologicas, Pontificia Universidad Catolica de Chile, P O Box 114 D, Santiago, Chile
    Plant Mol Biol 70:79-102. 2009
    ..These genes were also activated by Pseudomonas syringae pv. tomato AvrRpm1, suggesting that they might play a role in defense against bacteria...
  39. ncbi Virulence systems of Pseudomonas syringae pv. tomato promote bacterial speck disease in tomato by targeting the jasmonate signaling pathway
    Youfu Zhao
    Department of Energy-Plant Research Laboratory, Michigan State University, East Lansing, MI 48824, USA
    Plant J 36:485-99. 2003
    b>Pseudomonas syringae pv. tomato strain DC3000 (Pst DC3000) causes bacterial speck disease on tomato...
  40. ncbi Evolution of the core genome of Pseudomonas syringae, a highly clonal, endemic plant pathogen
    Sara F Sarkar
    Department of Botany, University of Toronto, Toronto, Ontario, Canada
    Appl Environ Microbiol 70:1999-2012. 2004
    b>Pseudomonas syringae is a common foliar bacterium responsible for many important plant diseases. We studied the population structure and dynamics of the core genome of P...
  41. ncbi Pseudomonas syringae type III effector HopZ1 targets a host enzyme to suppress isoflavone biosynthesis and promote infection in soybean
    Huanbin Zhou
    Department of Plant Pathology and Microbiology, University of California, Riverside, Riverside, CA 92521, USA
    Cell Host Microbe 9:177-86. 2011
    Type III secreted effectors (T3SEs), such as Pseudomonas syringae HopZ1, are essential bacterial virulence proteins injected into the host cytosol to facilitate infection. However, few direct targets of T3SEs are known...
  42. ncbi Molecular identification and characterization of the tomato flagellin receptor LeFLS2, an orthologue of Arabidopsis FLS2 exhibiting characteristically different perception specificities
    Silke Robatzek
    Zurich Basel Plant Science Center, Botanical Institute, University Basel, Hebelstrasse 1, Basel, 4056, Switzerland
    Plant Mol Biol 64:539-47. 2007
    ..a highly conserved epitope in the N-terminus of flagellin, represented by the peptide flg22 derived from Pseudomonas syringae. The peptide flg22 is highly active as an elicitor in many plant species...
  43. ncbi Host inhibition of a bacterial virulence effector triggers immunity to infection
    Vardis Ntoukakis
    Sainsbury Laboratory, Colney, Norwich NR4 7UH, UK
    Science 324:784-7. 2009
    ..Effectors can be recognized by hosts leading to immunity. One such effector is AvrPtoB of Pseudomonas syringae, which degrades host protein kinases, such as tomato Fen, through an E3 ligase domain...
  44. ncbi Variation in conservation of the cluster for biosynthesis of the phytotoxin phaseolotoxin in Pseudomonas syringae suggests at least two events of horizontal acquisition
    Jesús Murillo
    Laboratorio de Patología Vegetal, Departamento de Producción Agraria, Escuela Tecnica Superior de Ingenieros Agronomos, Universidad Publica de Navarra, 31006 Pamplona, Spain
    Res Microbiol 162:253-61. 2011
    Certain strains of Pseudomonas syringae pathovars phaseolicola and actinidiae and P. syringae pv. syringae strain CFBP3388 produce the chlorosis-inducing phytotoxin phaseolotoxin, which inhibits biosynthesis of arginine and polyamines...
  45. ncbi Two dissimilar N-acyl-homoserine lactone acylases of Pseudomonas syringae influence colony and biofilm morphology
    Ryan W Shepherd
    Department of Plant and Microbial Biology, University of California Berkeley, Berkeley, CA 94720 3102, USA
    Appl Environ Microbiol 75:45-53. 2009
    ..comprise a complex habitat for microorganisms, and many plant-associated bacteria, such as the pathogen Pseudomonas syringae, exhibit density-dependent survival on leaves by utilizing quorum sensing (QS)...
  46. ncbi Chromatin modification acts as a memory for systemic acquired resistance in the plant stress response
    Michal Jaskiewicz
    Department of Botany, Rheinisch Westfälische Technische Hochschule Aachen University, Aachen 52056, Germany
    EMBO Rep 12:50-5. 2011
    ..Mutant analyses reveal a tight correlation between histone modification patterns and gene priming. The data suggest a histone memory for information storage in the plant stress response...
  47. ncbi The genetic network controlling the Arabidopsis transcriptional response to Pseudomonas syringae pv. maculicola: roles of major regulators and the phytotoxin coronatine
    Lin Wang
    Department of Plant Biology, Microbial and Plant Genomics Institute, University of Minnesota, 1445 Gortner Avenue, St Paul 55108, USA
    Mol Plant Microbe Interact 21:1408-20. 2008
    ..of the defense signaling network was used to model the Arabidopsis network 24 h after infection by Pseudomonas syringae pv. maculicola ES4326...
  48. ncbi Sensor kinases RetS and LadS regulate Pseudomonas syringae type VI secretion and virulence factors
    Angela R Records
    Dept of Plant Pathology and Microbiology, Texas A and M University, 2132 TAMU, College Station, TX 77843 2132, USA
    J Bacteriol 192:3584-96. 2010
    b>Pseudomonas syringae pv. syringae B728a is a resident on leaves of common bean, where it utilizes several well-studied virulence factors, including secreted effectors and toxins, to develop a pathogenic interaction with its host...
  49. ncbi A prominent role of the flagellin receptor FLAGELLIN-SENSING2 in mediating stomatal response to Pseudomonas syringae pv tomato DC3000 in Arabidopsis
    Weiqing Zeng
    Department of Energy Plant Research Laboratory, Michigan State University, East Lansing, Michigan 48824 1312
    Plant Physiol 153:1188-98. 2010
    ..Recent studies have shown that during Pseudomonas syringae pv tomato (Pst) DC3000 infection of Arabidopsis (Arabidopsis thaliana), FLS2-mediated immunity is actively ..
  50. ncbi The phytopathogen Pseudomonas syringae pv. tomato DC3000 has three high-affinity iron-scavenging systems functional under iron limitation conditions but dispensable for pathogenesis
    Alexander M Jones
    Department of Plant and Microbial Biology, University of California, Berkeley, CA 94720, USA
    J Bacteriol 193:2767-75. 2011
    ..Here, we use a genetic approach to investigate the role of siderophores in Pseudomonas syringae pv. tomato DC3000 (DC3000) virulence in tomato...
  51. ncbi Arabidopsis non-host resistance to powdery mildews
    Ulrike Lipka
    The Sainsbury Laboratory, John Innes Centre, Colney, Norwich NR4 7UH, UK
    Curr Opin Plant Biol 11:404-11. 2008
    ..Pathogen lifestyle and infection biology, ecological parameters and the evolutionary relationship of the interaction partners determine differences and commonalities in other model systems...
  52. ncbi Host small RNAs are big contributors to plant innate immunity
    Chellappan Padmanabhan
    Department of Plant Pathology and Microbiology, University of California, Riverside, CA 92521 USA
    Curr Opin Plant Biol 12:465-72. 2009
    ..Host endogenous small RNAs and small-RNA pathways play an important role in the plant immune responses to pathogen challenges...
  53. ncbi Genome sequence analyses of Pseudomonas savastanoi pv. glycinea and subtractive hybridization-based comparative genomics with nine pseudomonads
    Mingsheng Qi
    Department of Crop Sciences, University of Illinois at Urbana Champaign, Urbana, Illinois, United States of America
    PLoS ONE 6:e16451. 2011
    ..These results reinforce the idea of a species complex of P. syringae and support the reclassification of P. syringae into different species...
  54. ncbi Comparative analysis of argK-tox clusters and their flanking regions in phaseolotoxin-producing Pseudomonas syringae pathovars
    Hiroyuki Genka
    Graduate School of Life Sciences, Tohoku University, Sendai, Japan
    J Mol Evol 63:401-14. 2006
    DNA fragments containing argK-tox clusters and their flanking regions were cloned from the chromosomes of Pseudomonas syringae pathovar (pv.) actinidiae strain KW-11 (ACT) and P. syringae pv...
  55. ncbi Phylogenetic analysis of the pPT23A plasmid family of Pseudomonas syringae
    Zhonghua Ma
    Department of Plant Pathology, Michigan State University, East Lansing, MI 48824, USA
    Appl Environ Microbiol 73:1287-95. 2007
    The pPT23A plasmid family of Pseudomonas syringae contains members that contribute to the ecological and pathogenic fitness of their P. syringae hosts...
  56. ncbi Bacterial evolution by genomic island transfer occurs via DNA transformation in planta
    Helen C Lovell
    Centre for Research in Plant Science, University of the West of England, Bristol BS16 1QY, UK
    Curr Biol 19:1586-90. 2009
    ..Loss of a GI from the bean pathogen Pseudomonas syringae pv. phaseolicola (Pph) is driven by exposure to the stress imposed by the plant's resistance response...
  57. ncbi The evolution of Pseudomonas syringae host specificity and type III effector repertoires
    Magdalen Lindeberg
    Department of Plant Pathology and Plant Microbe Biology, Cornell University, Ithaca, NY 14853, USA
    Mol Plant Pathol 10:767-75. 2009
    The discovery 45 years ago that many Pseudomonas syringae pathovars elicit the hypersensitive response in plant species other than their hosts fostered the use of these bacteria as experimental models...
  58. ncbi Dual regulation role of GH3.5 in salicylic acid and auxin signaling during Arabidopsis-Pseudomonas syringae interaction
    Zhongqin Zhang
    National Key Laboratory of Plant Molecular Genetics, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200032, China
    Plant Physiol 145:450-64. 2007
    ..Taken together, our data reveal novel regulatory functions of GH3.5 in the plant-pathogen interaction...
  59. ncbi Identification and characterization of a well-defined series of coronatine biosynthetic mutants of Pseudomonas syringae pv. tomato DC3000
    David M Brooks
    Department of Biology, Washington University, St Louis, MO 63130, USA
    Mol Plant Microbe Interact 17:162-74. 2004
    To identify Pseudomonas syringae pv. tomato genes involved in pathogenesis, we carried out a screen for Tn5 mutants of P. syringae pv. tomato DC3000 with reduced virulence on Arabidopsis thaliana...
  60. ncbi The type III effector repertoire of Pseudomonas syringae pv. syringae B728a and its role in survival and disease on host and non-host plants
    Boris A Vinatzer
    Department of Plant Pathology, Physiology, and Weed Science, Virginia Polytechnic Institute and State University, Fralin Biotechnology Center, West Campus Drive, Blacksburg, VA 24061-0346, USA
    Mol Microbiol 62:26-44. 2006
    The bacterial plant pathogen Pseudomonas syringae injects a large repertoire of effector proteins into plant cells using a type III secretion apparatus. Effectors can trigger or suppress defences in a host-dependent fashion...
  61. ncbi Plants under attack: systemic signals in defence
    Jyoti Shah
    Department of Biological Science, University of North Texas, Denton, TX 76203, USA
    Curr Opin Plant Biol 12:459-64. 2009
    ..By contrast, auxins probably contribute to negative regulation of systemic defences...
  62. ncbi A type III effector ADP-ribosylates RNA-binding proteins and quells plant immunity
    Zheng Qing Fu
    Plant Science Initiative and Department of Plant Pathology, University of Nebraska, Lincoln, Nebraska 68588 0660, USA
    Nature 447:284-8. 2007
    The bacterial plant pathogen Pseudomonas syringae injects effector proteins into host cells through a type III protein secretion system to cause disease. The enzymatic activities of most of P...
  63. ncbi Nucleotide sequence and evolution of the five-plasmid complement of the phytopathogen Pseudomonas syringae pv. maculicola ES4326
    John Stavrinides
    Department of Botany, University of Toronto, 25 Willcocks St, Toronto, ON M5S 3B2, Canada
    J Bacteriol 186:5101-15. 2004
    ..the complete nucleotide sequence of the five-plasmid complement of the radish and Arabidopsis pathogen Pseudomonas syringae pv. maculicola ES4326 and conducted an intraspecific comparative genomic analysis...
  64. ncbi Arabidopsis actin-depolymerizing factor AtADF4 mediates defense signal transduction triggered by the Pseudomonas syringae effector AvrPphB
    Miaoying Tian
    Department of Plant Pathology, Michigan State University, East Lansing, Michigan 48824 1311, USA
    Plant Physiol 150:815-24. 2009
    ..resistance in Arabidopsis (Arabidopsis thaliana) following inoculation with the phytopathogenic bacterium Pseudomonas syringae pv tomato. Using a reverse genetics approach, we explored the roles of Arabidopsis ADFs in plant defenses...
  65. ncbi Genome-wide transcriptional analysis of the Arabidopsis thaliana interaction with the plant pathogen Pseudomonas syringae pv. tomato DC3000 and the human pathogen Escherichia coli O157:H7
    Roger Thilmony
    Department of Energy-Plant Research Laboratory, Michigan State University, East Lansing, MI 48824, USA
    Plant J 46:34-53. 2006
    b>Pseudomonas syringae pv. tomato DC3000 (Pst) is a virulent pathogen that causes disease on tomato and Arabidopsis...
  66. ncbi Arabidopsis WRKY33 transcription factor is required for resistance to necrotrophic fungal pathogens
    Zuyu Zheng
    Department of Botany and Plant Pathology, Purdue University, 915 W State Street, West Lafayette, IN 47907 2054, USA
    Plant J 48:592-605. 2006
    ..The wrky33 mutants do not show altered responses to a virulent strain of the bacterial pathogen Pseudomonas syringae, although the ectopic expression of WRKY33 results in enhanced susceptibility to this pathogen...
  67. ncbi Signaling pathways that regulate the enhanced disease resistance of Arabidopsis "defense, no death" mutants
    Ruth K Genger
    Department of Plant Pathology, University of Wisconsin Madison, Madison, WI 53706, USA
    Mol Plant Microbe Interact 21:1285-96. 2008
    ..accumulation or signaling (sid2, npr1, and ndr1) abolished the enhanced resistance of dnd mutants against Pseudomonas syringae pv. tomato and Hyaloperonospora parasitica but not Botrytis cinerea...
  68. ncbi Arabidopsis ACCELERATED CELL DEATH2 modulates programmed cell death
    Nan Yao
    Department of Molecular Genetics and Cell Biology, University of Chicago, Chicago, Illinois 60637, USA
    Plant Cell 18:397-411. 2006
    ..protein ACCELERATED CELL DEATH2 (ACD2) modulates the amount of programmed cell death (PCD) triggered by Pseudomonas syringae and protoporphyrin IX (PPIX) treatment...
  69. ncbi Bacterial growth restriction during host resistance to Pseudomonas syringae is associated with leaf water loss and localized cessation of vascular activity in Arabidopsis thaliana
    Brian C Freeman
    Department of Plant Pathology, Iowa State University, Ames, IA 50011, USA
    Mol Plant Microbe Interact 22:857-67. 2009
    ..We characterized early events in the Arabidopsis thaliana-Pseudomonas syringae pathosystem to identify physiological changes for which the kinetics are consistent with bacterial growth ..
  70. ncbi OXI1 protein kinase is required for plant immunity against Pseudomonas syringae in Arabidopsis
    Lindsay N Petersen
    Department of Molecular and Cell Biology, University of Cape Town, Private Bag, Rondebosch 7701, South Africa
    J Exp Bot 60:3727-35. 2009
    ..mutants are more susceptible to both virulent and avirulent strains of the biotrophic bacterial pathogen Pseudomonas syringae compared with the wild type, indicating that OXI1 positively regulates both basal resistance triggered by ..
  71. ncbi Quorum size of Pseudomonas syringae is small and dictated by water availability on the leaf surface
    Glenn Dulla
    Department of Plant and Microbial Biology, University of California, Berkeley, CA 94720 3102, USA
    Proc Natl Acad Sci U S A 105:3082-7. 2008
    ..The plant-pathogenic bacterium Pseudomonas syringae, in which QS controls traits involved in epiphytic fitness and virulence, occurs on leaf surfaces in ..
  72. ncbi The structural basis for activation of plant immunity by bacterial effector protein AvrPto
    Weiman Xing
    National Institute of Biological Sciences, No 7 Science Park Road, Beijing 102206, China
    Nature 449:243-7. 2007
    ..The direct interaction between the tomato protein kinase Pto and the Pseudomonas syringae effector protein AvrPto is known to trigger disease resistance and programmed cell death through the ..
  73. ncbi Molecular and evolutionary analyses of Pseudomonas syringae pv. tomato race 1
    Suparat Kunkeaw
    Department of Plant Pathology, University of California Davis, Davis 95616, USA
    Mol Plant Microbe Interact 23:415-24. 2010
    b>Pseudomonas syringae pv. tomato, the causal agent of bacterial speck of tomato, has recently become an increasing problem in California due to the evolution and prevalence of highly aggressive race 1 strains...
  74. ncbi Pseudomonas syringae pv. tomato DC3000 type III effector HopAA1-1 functions redundantly with chlorosis-promoting factor PSPTO4723 to produce bacterial speck lesions in host tomato
    Kathy R Munkvold
    Department of Plant Pathology and Plant Microbe Biology, Cornell University, Ithaca, NY 14853, USA
    Mol Plant Microbe Interact 22:1341-55. 2009
    The ability of Pseudomonas syringae pv. tomato DC3000 to cause bacterial speck disease in tomato is dependent on the injection, via the type III secretion system, of approximately 28 Avr/Hop effector proteins...
  75. ncbi The Pseudomonas syringae type III effector tyrosine phosphatase HopAO1 suppresses innate immunity in Arabidopsis thaliana
    William Underwood
    Department of Energy Plant Research Laboratory, Michigan State University, East Lansing, MI 48824, USA
    Plant J 52:658-72. 2007
    The bacterial pathogen Pseudomonas syringae pv. tomato (Pst) strain DC3000 infects tomato and Arabidopsis plants, and is a model for studying the molecular basis of bacterial disease...
  76. ncbi Overexpression of a rice gene encoding a small C2 domain protein OsSMCP1 increases tolerance to abiotic and biotic stresses in transgenic Arabidopsis
    Naoki Yokotani
    Research Institute for Biological Sciences Okayama, 7549 1 Yoshikawa, Kibichuo, Okayama 716 1241, Japan
    Plant Mol Biol 71:391-402. 2009
    ..Furthermore, R07047 showed improved resistance to Pseudomonas syringae. The OsSMCP1 expression in rice is constitutive...
  77. ncbi In planta conditions induce genomic changes in Pseudomonas syringae pv. phaseolicola
    Helen C Lovell
    Centre for Research in Plant Science, University of the West of England, Bristol BS16 1QY, UK
    Mol Plant Pathol 12:167-76. 2011
    ..The Pseudomonas syringae pv...
  78. ncbi Transcriptional profile of Pseudomonas syringae pv. phaseolicola NPS3121 in response to tissue extracts from a susceptible Phaseolus vulgaris L. cultivar
    Alejandro Hernández-Morales
    Departamento de Ingeniería Genética, CINVESTAV IPN Unidad Irapuato, Apdo Postal 629, CP 36821, Irapuato, Gto, Mexico
    BMC Microbiol 9:257. 2009
    b>Pseudomonas syringae pv. phaseolicola is a Gram-negative plant-pathogenic bacterium that causes "halo blight" disease of beans (Phaseolus vulgaris L.)...
  79. ncbi Pseudomonas syringae pv. phaseolicola: from 'has bean' to supermodel
    Dawn L Arnold
    Centre for Research in Plant Science, University of the West of England, Bristol BS16 1QY, UK
    Mol Plant Pathol 12:617-27. 2011
    b>Pseudomonas syringae pv. phaseolicola causes halo blight of the common bean, Phaseolus vulgaris, worldwide and remains difficult to control...
  80. ncbi Receptor-like cytoplasmic kinases integrate signaling from multiple plant immune receptors and are targeted by a Pseudomonas syringae effector
    Jie Zhang
    National Institute of Biological Sciences, Beijing 102206, China
    Cell Host Microbe 7:290-301. 2010
    ..The pathogenic Pseudomonas syringae effector AvrPphB, a cysteine protease, cleaves the Arabidopsis receptor-like cytoplasmic kinase PBS1 to ..
  81. ncbi Type III effector AvrPtoB requires intrinsic E3 ubiquitin ligase activity to suppress plant cell death and immunity
    Robert B Abramovitch
    Boyce Thompson Institute for Plant Research, Ithaca, NY 14853, USA
    Proc Natl Acad Sci U S A 103:2851-6. 2006
    ..The tomato pathogen Pseudomonas syringae injects the AvrPtoB type III effector protein into the plant cell to suppress programmed cell death (PCD) ..
  82. ncbi High-throughput quantitative luminescence assay of the growth in planta of Pseudomonas syringae chromosomally tagged with Photorhabdus luminescens luxCDABE
    Jun Fan
    Department of Disease and Stress Biology, John Innes Centre, Norwich NR4 7UH, UK
    Plant J 53:393-9. 2008
    Bioluminescent strains of the Arabidopsis thaliana pathogens Pseudomonas syringae pathovar (pv.) tomato and pv. maculicola were made by insertion of the luxCDABE operon from Photorhabdus luminescens into the P...
  83. ncbi ARGONAUTE4 is required for resistance to Pseudomonas syringae in Arabidopsis
    Astrid Agorio
    Instituto de Biologia Molecular y Celular de Plantas, Universidad Politecnica de Valencia Consejo Superior de Investigaciones Cientificas, 46022 Valencia, Spain
    Plant Cell 19:3778-90. 2007
    ..ocp11 plants show enhanced disease susceptibility to the virulent bacterium Pseudomonas syringae pv tomato DC3000 (P.s.t. DC3000) and also to the avirulent P.s.t. DC3000 carrying the effector avrRpm1 gene...
  84. ncbi Early events in the pathogenicity of Pseudomonas syringae on Nicotiana benthamiana
    Dagmar R Hann
    The Sainsbury Laboratory, John Innes Centre, Colney Lane, Norwich NR4 7UH, UK
    Plant J 49:607-18. 2007
    ..species Nicotiana benthamiana perceives the flagellin proteins of both pathogenic and non-host species of Pseudomonas syringae. The response to flagellin required a gene closely related to that encoding the Arabidopsis thaliana ..
  85. ncbi Biotic and abiotic stress down-regulate miR398 expression in Arabidopsis
    Guru Jagadeeswaran
    Department of Biochemistry and Molecular Biology, Oklahoma State University, Stillwater, OK 74078, USA
    Planta 229:1009-14. 2009
    ..Furthermore, miR398 levels decreased in Arabidopsis leaves infiltrated with avirulent strains of Pseudomonas syringae pv. tomato, Pst DC3000 (avrRpm1 or avrRpt2) but not the virulent strain Pst DC3000...
  86. ncbi A key role for the Arabidopsis WIN3 protein in disease resistance triggered by Pseudomonas syringae that secrete AvrRpt2
    Min Woo Lee
    Molecular Genetics and Cell Biology Department, The University of Chicago, 1103 East 57th Street, Chicago, IL 60637, USA
    Mol Plant Microbe Interact 20:1192-200. 2007
    Effector proteins injected by the pathogenic bacteria Pseudomonas syringae into plants can have profound effects on the pathogen-host interaction due to their efficient recognition by plants and the subsequent triggering of defenses...
  87. ncbi A critical role of two positively charged amino acids in the Jas motif of Arabidopsis JAZ proteins in mediating coronatine- and jasmonoyl isoleucine-dependent interactions with the COI1 F-box protein
    Maeli Melotto
    Department of Energy, Plant Research Laboratory, Michigan State University, East Lansing, MI 48824, USA
    Plant J 55:979-88. 2008
    SUMMARY: Coronatine is an important virulence factor produced by several pathovars of the bacterial pathogen Pseudomonas syringae. The structure of coronatine is similar to that of a class of plant hormones called jasmonates (JAs)...
  88. ncbi The phytotoxin coronatine induces light-dependent reactive oxygen species in tomato seedlings
    Yasuhiro Ishiga
    127 Noble Research Center, Department of Entomology and Plant Pathology, Oklahoma State University, Stillwater, OK 74078, USA
    New Phytol 181:147-60. 2009
    The phytotoxin coronatine (COR), which is produced by Pseudomonas syringae pv. tomato DC3000 (DC3000), has multiple roles in virulence that lead to chlorosis and a reduction in chlorophyll content...
  89. ncbi An avrPto/avrPtoB mutant of Pseudomonas syringae pv. tomato DC3000 does not elicit Pto-mediated resistance and is less virulent on tomato
    Nai Chun Lin
    Boyce Thompson Institute for Plant Research, Tower Rd, Ithaca, NY 14853 1801, USA
    Mol Plant Microbe Interact 18:43-51. 2005
    AvrPto and AvrPtoB are type III effector proteins expressed by Pseudomonas syringae pv. tomato strain DC3000, a pathogen of both tomato and Arabidopsis spp...
  90. ncbi AvrB mutants lose both virulence and avirulence activities on soybean and Arabidopsis
    Laura E Ong
    Department of Biology, Indiana University, Bloomington, IN 47405, USA
    Mol Microbiol 60:951-62. 2006
    The Pseudomonas syringae pv. glycinea effector protein AvrB induces resistance responses in soybean varieties that contain the resistance gene Rpg1-b and Arabidopsis varieties that carry RPM1...
  91. ncbi The MAP kinase kinase MKK2 affects disease resistance in Arabidopsis
    Günter Brader
    Viikki Biocenter, Faculty of Biosciences, Department of Biological and Environmental Sciences, Division of Genetics, P O Box 56, FIN 00014 University of Helsinki, Finland
    Mol Plant Microbe Interact 20:589-96. 2007
    ..Both MPK4 and MPK6 became rapidly activated upon Pseudomonas syringae pv. tomato DC3000 infection and MKK2-EE plants showed enhanced levels of MPK4 activation...
  92. ncbi RAR1, a central player in plant immunity, is targeted by Pseudomonas syringae effector AvrB
    Yulei Shang
    National Institute of Biological Sciences, Beijing 102206, China
    Proc Natl Acad Sci U S A 103:19200-5. 2006
    ..Here, we show that the Pseudomonas syringae effector AvrB suppresses PAMP-triggered immunity (PTI) through RAR1, a co-chaperone of HSP90 required for ..
  93. ncbi The transcription factors WRKY11 and WRKY17 act as negative regulators of basal resistance in Arabidopsis thaliana
    Noëllie Journot-Catalino
    Laboratory of Plant Microorganism Interactions, BP52627, 31326 Castanet Tolosan, France
    Plant Cell 18:3289-302. 2006
    ..the role of the IId subfamily of WRKY transcription factors in the regulation of basal resistance to Pseudomonas syringae pv tomato (Pst)...
  94. ncbi Alternative splicing and mRNA levels of the disease resistance gene RPS4 are induced during defense responses
    Xue Cheng Zhang
    Division of Plant Sciences and C S Bond Life Sciences Center, University of Missouri Columbia, Columbia, Missouri 65211 7310, USA
    Plant Physiol 145:1577-87. 2007
    ..In summary, RPS4 function is regulated at multiple levels, including gene expression, alternative splicing, and protein stability, presumably to fine-tune activity and limit damage inflicted by activated RPS4 protein...
  95. ncbi Histone H2A.Z and homologues of components of the SWR1 complex are required to control immunity in Arabidopsis
    Rosana March-Diaz
    Instituto de Bioquímica Vegetal y Fotosíntesis CSIC USE, Sevilla, Spain
    Plant J 53:475-87. 2008
    ..alterations such as spontaneous cell death and enhanced resistance to the phytopathogenic bacteria Pseudomonas syringae pv. tomato...
  96. ncbi MEKK1 is required for flg22-induced MPK4 activation in Arabidopsis plants
    Maria Cristina Suarez-Rodriguez
    Department of Horticulture and Genome Center of Wisconsin, University of Wisconsin, Madison, Wisconsin 53706, USA
    Plant Physiol 143:661-9. 2007
    ..treated with pathogenic bacteria, the K361M plants were slightly more susceptible to an avirulent strain of Pseudomonas syringae and showed a delayed hypersensitive response, suggesting a role for MEKK1 kinase activity in this aspect of ..
  97. ncbi Arabidopsis TAO1 is a TIR-NB-LRR protein that contributes to disease resistance induced by the Pseudomonas syringae effector AvrB
    Timothy K Eitas
    Curriculum in Genetics and Molecular Biology, University of North Carolina, Chapel Hill, NC 27599, USA
    Proc Natl Acad Sci U S A 105:6475-80. 2008
    ..effector protein encoded by avirulence gene B (AvrB) is delivered into plant cells by pathogenic strains of Pseudomonas syringae. There, it localizes to the plasma membrane and triggers immunity mediated by the Arabidopsis coiled-coil (..
  98. ncbi Vitamin B1-induced priming is dependent on hydrogen peroxide and the NPR1 gene in Arabidopsis
    Il Pyung Ahn
    National Institute of Agricultural Biotechnology, Suwon 441 100, Korea
    Plant Physiol 143:838-48. 2007
    ..cellular and molecular defense responses except for transient expression of PR1 per se; however, subsequent Pseudomonas syringae pv tomato challenge triggered pronounced cellular defense responses and advanced activation of PR1/PAL1 ..
  99. ncbi Death don't have no mercy and neither does calcium: Arabidopsis CYCLIC NUCLEOTIDE GATED CHANNEL2 and innate immunity
    Rashid Ali
    Agricultural Biotechnology Laboratory, University of Conecticut, Storrs, Conecticut 06269 4163, USA
    Plant Cell 19:1081-95. 2007
    ..The bacterial pathogen-associated molecular pattern elicitor lipopolysaccharide activates a CNGC Ca(2+) current, which may be linked to NO generation due to buildup of cytosolic Ca(2+)/calmodulin...
  100. ncbi Overexpression of CRK13, an Arabidopsis cysteine-rich receptor-like kinase, results in enhanced resistance to Pseudomonas syringae
    Biswa R Acharya
    Department of Biology, Syracuse University, Syracuse, NY 13244, USA
    Plant J 50:488-99. 2007
    ..is induced more quickly and strongly in response to the avirulent compared with the virulent strains of Pseudomonas syringae, and peaks within 4 h after pathogen infection...
  101. ncbi The N-terminal region of Pseudomonas type III effector AvrPtoB elicits Pto-dependent immunity and has two distinct virulence determinants
    Fangming Xiao
    Boyce Thompson Institute for Plant Research, Tower Road, Ithaca, NY 14853, USA
    Plant J 52:595-614. 2007
    ..kinase with either of the sequence-dissimilar type III effector proteins AvrPto or AvrPtoB (HopAB2) from Pseudomonas syringae pv. tomato...

Research Grants80

  1. Stomate-based innate immunity against bacterial infection in Arabidopsis
    Maeli Melotto; Fiscal Year: 2010
    ..Specifically, stomata close in response to Escherichia coli O157:H7 and Pseudomonas syringae pv. tomato (Pst) DC3000 or bacterial PAMPs...
  2. Stomate-based innate immunity against bacterial infection in Arabidopsis
    Maeli Melotto; Fiscal Year: 2010
    ..Specifically, stomata close in response to Escherichia coli O157:H7 and Pseudomonas syringae pv. tomato (Pst) DC3000 or bacterial PAMPs...
  3. Diversity and evolution of Pseudomonas syringae type III effectors (RO1GM066025)
    Jeffery L Dangl; Fiscal Year: 2010
    ..This research focuses on the interaction between Pseudomonas syringae and plants. P...
  4. Suppression of innate immunity by an ADP-ribosyltransferase type III effector
    JAMES ALFANO; Fiscal Year: 2009
    ..The bacterial plant pathogen Pseudomonas syringae is dependent on a TTSS to cause disease on plants. The P. s. pv...
  5. Suppression of innate immunity by an ADP-ribosyltransferase type III effector
    JAMES ROBERT ALFANO; Fiscal Year: 2010
    ..The bacterial plant pathogen Pseudomonas syringae is dependent on a TTSS to cause disease on plants. The P. s. pv...
  6. Suppression of innate immunity by an ADP-ribosyltransferase type III effector
    JAMES ROBERT ALFANO; Fiscal Year: 2011
    ..The bacterial plant pathogen Pseudomonas syringae is dependent on a TTSS to cause disease on plants. The P. s. pv...
  7. Modular Enzymatic Assembly Lines for Antibiotics
    Christopher Walsh; Fiscal Year: 2007
    ..tyrocidine and gramicidin, the immunosuppressant rapamycin the phytotoxins coronatine and syringomycin from Pseudomonas syringae, and the antitumor drug candidate epothilones...
  8. BIOSYNTHESIS OF CYCLOPENTANOIDS
    Ronald Parry; Fiscal Year: 1993
    ..The second cyclopentanoid to be investigated is the phytotoxin coronatine, which is produced by Pseudomonas syringae. Previous investigations have revealed that the hydrindane portion of the molecule, coronafacic acid, is a ..
  9. GENETICS OF DISEASE RESISTANCE IN ARABIDOPSIS THALIANA
    Roger Innes; Fiscal Year: 2003
    ..that mediates specific recognition of the avirulence protein (avrphB) secreted by the bacterial pathogen Pseudomonas syringae. RPS5 belongs to the largest class of plant resistance (R) genes encoding cytosolic proteins defined by the ..
  10. GENETIC ANALYSIS OF THE PLANT DEFENSE RESPONSE
    FREDERICK AUSUBEL; Fiscal Year: 1993
    ..We have cloned individual Pseudomonas syringae avirulence (avr) genes that elicit defense responses and we have cloned several Arabidopsis defense-related ..
  11. GENETICS OF DISEASE RESISTANCE IN ARABIDOPSIS THALIANA
    Roger W Innes; Fiscal Year: 2010
    ..RPS5 mediates recognition of the AvrPphB protein secreted by the bacterial pathogen Pseudomonas syringae. A specific goal of the proposed research is to identify the mechanisms by which RPS5 detects AvrPphB and ..
  12. GENETICS OF DISEASE RESISTANCE IN ARABIDOPSIS THALIANA
    Roger W Innes; Fiscal Year: 2010
    ..RPS5 mediates recognition of the AvrPphB protein secreted by the bacterial pathogen Pseudomonas syringae. A specific goal of the proposed research is to identify the mechanisms by which RPS5 detects AvrPphB and ..
  13. Elucidating RIN4-Mediated Immune Signaling Cascades in Arabidopsis
    GITTA LAUREL COAKER; Fiscal Year: 2010
    ..RIN4 is conserved among all land plants and acts to regulate immune perception of the bacterial pathogen Pseudomonas syringae pv. tomato in Arabidopsis...
  14. Regulation and Function of DNA Demethylation in Arabidopsis
    Robert L Fischer; Fiscal Year: 2010
    ..ROS1 demethylates disease resistance genes and is required for resistance to a bacterial pathogen, Pseudomonas syringae. We will carry out the following experiments to understand the mechanisms and functions of DNA ..
  15. Regulation and Function of DNA Demethylation in Arabidopsis
    Robert Fischer; Fiscal Year: 2009
    ..ROS1 demethylates disease resistance genes and is required for resistance to a bacterial pathogen, Pseudomonas syringae. We will carry out the following experiments to understand the mechanisms and functions of DNA ..
  16. Regulation and Function of DNA Demethylation in Arabidopsis
    Robert L Fischer; Fiscal Year: 2010
    ..ROS1 demethylates disease resistance genes and is required for resistance to a bacterial pathogen, Pseudomonas syringae. We will carry out the following experiments to understand the mechanisms and functions of DNA ..
  17. BIOSYNTHESIS OF CYCLOPENTANOIDS
    Ronald Parry; Fiscal Year: 1991
    ..which is produced by Streptomyces citricolor, and the phytotoxin coronatine, which is isolated from Pseudomonas syringae. Previous studies have revealed that sesbanine is derived from nicotinic acid and shikimic acid with the ..
  18. BIOSYNTHESIS AND METABOLISM OF CYCLOPENTANOIDS
    Ronald Parry; Fiscal Year: 2001
    ..citricolor. The second cyclopentanoid to be investigated is the phytotoxin coronatine, produced by Pseudomonas syringae. The cyclopropyl amino acid moiety of the toxin, coronamic acid, has been found to be biosynthesized from L-..
  19. GENETICS OF DISEASE RESISTANCE IN ARABIDOPSIS THALIANA
    Roger Innes; Fiscal Year: 1999
    ..isolated the plant disease resistance gene RPM1, which mediates recognition of the bacterial pathogen Pseudomonas syringae. RPM1 likely functions as a receptor that upon binding a signal molecule secreted by P...
  20. Molecular Basis of Arabidopsis Innate Immunity
    BRIAN JOHN STASKAWICZ; Fiscal Year: 2010
    ..The Arabidopsis/Pseudomonas syringae pathosystem is a highly tractable model system to study the molecular basis of bacterial plant innate ..
  21. Arabidopsis basal innate immunity to bacterial infection
    Sheng He; Fiscal Year: 2007
    ..We use the model Arabidopsis-Pseudomonas syringae/enterohemorrhagic Escherichia coli (EHEC) pathosystem for this research...
  22. Molecular Basis of Arabidopsis Innate Immunity
    Brian Staskawicz; Fiscal Year: 2009
    ..The Arabidopsis/Pseudomonas syringae pathosystem is a highly tractable model system to study the molecular basis of bacterial plant innate ..
  23. GENETICS OF DISEASE RESISTANCE IN ARABIDOPSIS THALIANA
    Roger Innes; Fiscal Year: 2007
    ..R) gene RPS5, which mediates recognition of the AvrPphB protein secreted by the bacterial pathogen Pseudomonas syringae. RPS5 belongs to the largest class of plant R gene products, which is defined by the presence of a putative ..
  24. Early Host Response Elicitation by Agrobacterium
    Marion Brodhagen; Fiscal Year: 2004
    ..coil and typical plant pathogen, Pseudomonas syringae) to identify plant responses unique to Agrobacterium challenge...
  25. Role of bacterial virulence proteins in plant cell death
    Gregory Martin; Fiscal Year: 2007
    DESCRIPTION (provided by investigator): This project uses the interaction between tomato leaves and Pseudomonas syringae as a model system to investigate the molecular basis of bacterial pathogenesis and host responses to bacterial ..
  26. Role of bacterial virulence proteins in plant cell death
    Gregory Martin; Fiscal Year: 2009
    DESCRIPTION (provided by investigator): This project uses the interaction between tomato leaves and Pseudomonas syringae as a model system to investigate the molecular basis of bacterial pathogenesis and host responses to bacterial ..
  27. The role of host endogenous small RNAs in innate immunity
    Hailing Jin; Fiscal Year: 2010
    ..lsiRNAs, and clustered hc-siRNAs that are particularly regulated by various strains of the bacterium Pseudomonas syringae. Predicted target genes of these small RNAs will be validated and subjected to functional analysis...
  28. Arabidopsis basal innate immunity to bacterial infection
    Sheng Yang He; Fiscal Year: 2010
    ..In particular, two Pseudomonas syringae effectors, AvrPto and HopPtoM, suppress basal innate immunity in Arabidopsis...
  29. Arabidopsis basal innate immunity to bacterial infection
    Sheng He; Fiscal Year: 2009
    ..In particular, two Pseudomonas syringae effectors, AvrPto and HopPtoM, suppress basal innate immunity in Arabidopsis...
  30. ADP-ribosylation in plant-bacteria interactions
    Lori Adams Phillips; Fiscal Year: 2007
    ..My recent work on Arabidopsis defense responses, findings from labs cataloguing Pseudomonas syringae effector proteins, and work on bacterial pathogens of mammals all point to the relevance of ADP-..
  31. Plant virulence targets of bacterial effectors
    STEPHEN CHISHOLM; Fiscal Year: 2004
    Phytopathogenic bacteria such as Pseudomonas syringae pv. tomato deliver effector proteins to plant cells in order to modify the activities of the host to favor bacterial colonization...
  32. GENETIC ANALYSIS OF THE PLANT DEFENSE RESPONSE
    FREDERICK AUSUBEL; Fiscal Year: 2000
    ..infection of the small crucifer Arabidopsis thaliana with the well-studied phytopathogenic bacterium Pseudomonas syringae. P...
  33. Dissecting the innate immune response mediated by Arabidopsis Nudix hydrolase
    Yiji Xia; Fiscal Year: 2007
    ..MPR1 function causes hyper-responsiveness to not only pathogenic strains but also non-pathogenic strains of Pseudomonas syringae. It is proposed that MPR1 may exert its role by sensing and modulating the level of a nucleotide derivative ..
  34. GENETIC ANALYSIS OF THE PLANT DEFENSE RESPONSE
    FREDERICK AUSUBEL; Fiscal Year: 2007
    ..The specific aims are designed to further investigate Arabidopsis OG signaling pathway(s) and to identify Pseudomonas syringae Type III effectors that disrupt these pathways...