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. Vargas P, Felipe A, Michán C, Gallegos M. Induction of Pseudomonas syringae pv. tomato DC3000 MexAB-OprM multidrug efflux pump by flavonoids is mediated by the repressor PmeR. Mol Plant Microbe Interact. 2011;24:1207-19 pubmed publisher
    In this study, we have analyzed the expression of the Pseudomonas syringae pv...
  2. Baltrus D, Nishimura M, Romanchuk A, Chang J, Mukhtar M, Cherkis K, et al. Dynamic evolution of pathogenicity revealed by sequencing and comparative genomics of 19 Pseudomonas syringae isolates. PLoS Pathog. 2011;7:e1002132 pubmed publisher
    ..In many Gram- negative bacteria, including the phytopathogen Pseudomonas syringae, type III effectors (TTEs) are essential for pathogenicity, instrumental in structuring host range, and ..
  3. Mutka A, Fawley S, Tsao T, Kunkel B. Auxin promotes susceptibility to Pseudomonas syringae via a mechanism independent of suppression of salicylic acid-mediated defenses. Plant J. 2013;74:746-54 pubmed publisher
    ..Several lines of evidence suggest that the bacterial plant pathogen Pseudomonas syringae manipulates auxin physiology in Arabidopsis thaliana to promote pathogenesis...
  4. Taguchi F, Ichinose Y. Role of type IV pili in virulence of Pseudomonas syringae pv. tabaci 6605: correlation of motility, multidrug resistance, and HR-inducing activity on a nonhost plant. Mol Plant Microbe Interact. 2011;24:1001-11 pubmed publisher
    ..of phytopathogenic bacteria, four mutant strains for pilus biogenesis-related genes were generated in Pseudomonas syringae pv. tabaci 6605...
  5. Crabill E, Karpisek A, Alfano J. The Pseudomonas syringae HrpJ protein controls the secretion of type III translocator proteins and has a virulence role inside plant cells. Mol Microbiol. 2012;85:225-38 pubmed publisher
    The bacterial plant pathogen Pseudomonas syringae injects effector proteins into plant cells via a type III secretion system (T3SS), which is required for pathogenesis. The protein HrpJ is secreted by P...
  6. Sohn K, Saucet S, Clarke C, Vinatzer B, O Brien H, Guttman D, et al. HopAS1 recognition significantly contributes to Arabidopsis nonhost resistance to Pseudomonas syringae pathogens. New Phytol. 2012;193:58-66 pubmed publisher
    ..However, the role of ETI in NHR is unclear. • Pseudomonas syringae pv. tomato (Pto) T1 is pathogenic in tomato (Solanum lycopersicum) yet nonpathogenic in Arabidopsis...
  7. Mazzaglia A, Studholme D, Taratufolo M, Cai R, Almeida N, Goodman T, et al. Pseudomonas syringae pv. actinidiae (PSA) isolates from recent bacterial canker of kiwifruit outbreaks belong to the same genetic lineage. PLoS ONE. 2012;7:e36518 pubmed publisher
    ..One emerging disease is bacterial canker of kiwi fruit (Actinidia deliciosa and A. chinensis) caused by Pseudomonas syringae pv. actinidiae (PSA)...
  8. Vargas P, Farias G, Nogales J, Prada H, Carvajal V, Barón M, et al. Plant flavonoids target Pseudomonas syringae pv. tomato DC3000 flagella and type III secretion system. Environ Microbiol Rep. 2013;5:841-50 pubmed publisher
    ..We previously demonstrated that the MexAB-OprM efflux pump mediates resistance of Pseudomonas syringae pv. tomato (Pto) DC3000 to flavonoids, facilitating its survival and the colonization of the host...
  9. Butcher B, Bronstein P, Myers C, Stodghill P, Bolton J, Markel E, et al. Characterization of the Fur regulon in Pseudomonas syringae pv. tomato DC3000. J Bacteriol. 2011;193:4598-611 pubmed publisher
    The plant pathogen Pseudomonas syringae pv...
  10. Bhardwaj V, Meier S, Petersen L, Ingle R, Roden L. Defence responses of Arabidopsis thaliana to infection by Pseudomonas syringae are regulated by the circadian clock. PLoS ONE. 2011;6:e26968 pubmed publisher
    ..Arabidopsis) has circadian clock-mediated variation in resistance to the virulent bacterial pathogen Pseudomonas syringae pv. tomato DC3000 (Pst DC3000), with plants being least susceptible to infection in the subjective morning...

Detail Information

Publications131 found, 100 shown here

  1. Vargas P, Felipe A, Michán C, Gallegos M. Induction of Pseudomonas syringae pv. tomato DC3000 MexAB-OprM multidrug efflux pump by flavonoids is mediated by the repressor PmeR. Mol Plant Microbe Interact. 2011;24:1207-19 pubmed publisher
    In this study, we have analyzed the expression of the Pseudomonas syringae pv...
  2. Baltrus D, Nishimura M, Romanchuk A, Chang J, Mukhtar M, Cherkis K, et al. Dynamic evolution of pathogenicity revealed by sequencing and comparative genomics of 19 Pseudomonas syringae isolates. PLoS Pathog. 2011;7:e1002132 pubmed publisher
    ..In many Gram- negative bacteria, including the phytopathogen Pseudomonas syringae, type III effectors (TTEs) are essential for pathogenicity, instrumental in structuring host range, and ..
  3. Mutka A, Fawley S, Tsao T, Kunkel B. Auxin promotes susceptibility to Pseudomonas syringae via a mechanism independent of suppression of salicylic acid-mediated defenses. Plant J. 2013;74:746-54 pubmed publisher
    ..Several lines of evidence suggest that the bacterial plant pathogen Pseudomonas syringae manipulates auxin physiology in Arabidopsis thaliana to promote pathogenesis...
  4. Taguchi F, Ichinose Y. Role of type IV pili in virulence of Pseudomonas syringae pv. tabaci 6605: correlation of motility, multidrug resistance, and HR-inducing activity on a nonhost plant. Mol Plant Microbe Interact. 2011;24:1001-11 pubmed publisher
    ..of phytopathogenic bacteria, four mutant strains for pilus biogenesis-related genes were generated in Pseudomonas syringae pv. tabaci 6605...
  5. Crabill E, Karpisek A, Alfano J. The Pseudomonas syringae HrpJ protein controls the secretion of type III translocator proteins and has a virulence role inside plant cells. Mol Microbiol. 2012;85:225-38 pubmed publisher
    The bacterial plant pathogen Pseudomonas syringae injects effector proteins into plant cells via a type III secretion system (T3SS), which is required for pathogenesis. The protein HrpJ is secreted by P...
  6. Sohn K, Saucet S, Clarke C, Vinatzer B, O Brien H, Guttman D, et al. HopAS1 recognition significantly contributes to Arabidopsis nonhost resistance to Pseudomonas syringae pathogens. New Phytol. 2012;193:58-66 pubmed publisher
    ..However, the role of ETI in NHR is unclear. • Pseudomonas syringae pv. tomato (Pto) T1 is pathogenic in tomato (Solanum lycopersicum) yet nonpathogenic in Arabidopsis...
  7. Mazzaglia A, Studholme D, Taratufolo M, Cai R, Almeida N, Goodman T, et al. Pseudomonas syringae pv. actinidiae (PSA) isolates from recent bacterial canker of kiwifruit outbreaks belong to the same genetic lineage. PLoS ONE. 2012;7:e36518 pubmed publisher
    ..One emerging disease is bacterial canker of kiwi fruit (Actinidia deliciosa and A. chinensis) caused by Pseudomonas syringae pv. actinidiae (PSA)...
  8. Vargas P, Farias G, Nogales J, Prada H, Carvajal V, Barón M, et al. Plant flavonoids target Pseudomonas syringae pv. tomato DC3000 flagella and type III secretion system. Environ Microbiol Rep. 2013;5:841-50 pubmed publisher
    ..We previously demonstrated that the MexAB-OprM efflux pump mediates resistance of Pseudomonas syringae pv. tomato (Pto) DC3000 to flavonoids, facilitating its survival and the colonization of the host...
  9. Butcher B, Bronstein P, Myers C, Stodghill P, Bolton J, Markel E, et al. Characterization of the Fur regulon in Pseudomonas syringae pv. tomato DC3000. J Bacteriol. 2011;193:4598-611 pubmed publisher
    The plant pathogen Pseudomonas syringae pv...
  10. Bhardwaj V, Meier S, Petersen L, Ingle R, Roden L. Defence responses of Arabidopsis thaliana to infection by Pseudomonas syringae are regulated by the circadian clock. PLoS ONE. 2011;6:e26968 pubmed publisher
    ..Arabidopsis) has circadian clock-mediated variation in resistance to the virulent bacterial pathogen Pseudomonas syringae pv. tomato DC3000 (Pst DC3000), with plants being least susceptible to infection in the subjective morning...
  11. Kawakita Y, Taguchi F, Inagaki Y, Toyoda K, Shiraishi T, Ichinose Y. Characterization of each aefR and mexT mutant in Pseudomonas syringae pv. tabaci 6605. Mol Genet Genomics. 2012;287:473-84 pubmed publisher
    ..resistance (MDR), we mutagenized aefR and mexT, the potential regulators of mexEF/oprN transcription in Pseudomonas syringae pv. tabaci 6605 (Pta 6605)...
  12. Wei C, Hsu S, Deng W, Wen Y, Huang H. Plant innate immunity induced by flagellin suppresses the hypersensitive response in non-host plants elicited by Pseudomonas syringae pv. averrhoi. PLoS ONE. 2012;7:e41056 pubmed publisher
    A new pathogen, Pseudomonas syringae pv. averrhoi (Pav), which causes bacterial spot disease on carambola was identified in Taiwan in 1997...
  13. Lee S, Yang D, Uppalapati S, Sumner L, Mysore K. Suppression of plant defense responses by extracellular metabolites from Pseudomonas syringae pv. tabaci in Nicotiana benthamiana. BMC Plant Biol. 2013;13:65 pubmed publisher
    b>Pseudomonas syringae pv. tabaci (Pstab) is the causal agent of wildfire disease in tobacco plants. Several pathovars of Pseudomonas syringae produce a phytotoxic extracellular metabolite called coronatine (COR)...
  14. Markel E, Maciak C, Butcher B, Myers C, Stodghill P, Bao Z, et al. An extracytoplasmic function sigma factor-mediated cell surface signaling system in Pseudomonas syringae pv. tomato DC3000 regulates gene expression in response to heterologous siderophores. J Bacteriol. 2011;193:5775-83 pubmed publisher
    ..We have been investigating how the plant pathogen Pseudomonas syringae pv...
  15. Brotman Y, Lisec J, Méret M, Chet I, Willmitzer L, Viterbo A. Transcript and metabolite analysis of the Trichoderma-induced systemic resistance response to Pseudomonas syringae in Arabidopsis thaliana. Microbiology. 2012;158:139-46 pubmed publisher
    ..and metabolic profiling, the systemic defence response of Arabidopsis thaliana plants to the leaf pathogen Pseudomonas syringae pv. tomato DC3000 (Pst) induced by the beneficial fungus Trichoderma asperelloides T203...
  16. Wang K, Senthil Kumar M, Ryu C, Kang L, Mysore K. Phytosterols play a key role in plant innate immunity against bacterial pathogens by regulating nutrient efflux into the apoplast. Plant Physiol. 2012;158:1789-802 pubmed publisher
    ..a key gene in phytosterol biosynthesis, not only compromised nonhost resistance to few pathovars of Pseudomonas syringae and Xanthomonas campestris, but also enhanced the growth of the host pathogen P...
  17. Sohn K, Hughes R, Piquerez S, Jones J, Banfield M. Distinct regions of the Pseudomonas syringae coiled-coil effector AvrRps4 are required for activation of immunity. Proc Natl Acad Sci U S A. 2012;109:16371-6 pubmed publisher
    ..AvrRps4, an effector protein from Pseudomonas syringae pv. pisi, triggers RPS4-dependent immunity in resistant accessions of Arabidopsis...
  18. Arrebola E, Cazorla F, Pérez García A, de Vicente A. Chemical and metabolic aspects of antimetabolite toxins produced by Pseudomonas syringae pathovars. Toxins (Basel). 2011;3:1089-110 pubmed publisher
    b>Pseudomonas syringae is a phytopathogenic bacterium present in a wide variety of host plants where it causes diseases with economic impact...
  19. Rodr guez Herva J, Gonz lez Melendi P, Cuartas Lanza R, Ant nez Lamas M, R o Alvarez I, Li Z, et al. A bacterial cysteine protease effector protein interferes with photosynthesis to suppress plant innate immune responses. Cell Microbiol. 2012;14:669-81 pubmed publisher
    The bacterial pathogen Pseudomonas syringae pv tomato DC3000 suppresses plant innate immunity with effector proteins injected by a type III secretion system (T3SS)...
  20. Hu Y, Dong Q, Yu D. Arabidopsis WRKY46 coordinates with WRKY70 and WRKY53 in basal resistance against pathogen Pseudomonas syringae. Plant Sci. 2012;185-186:288-97 pubmed publisher
    ..Arabidopsis WRKY46 is specifically induced by salicylic acid (SA) and biotrophic pathogen Pseudomonas syringae infection...
  21. Großkinsky D, Koffler B, Roitsch T, Maier R, Zechmann B. Compartment-specific antioxidative defense in Arabidopsis against virulent and avirulent Pseudomonas syringae. Phytopathology. 2012;102:662-73 pubmed publisher
    ..the compartment-specific importance of ascorbate and glutathione during a virulent and avirulent Pseudomonas syringae infection in Arabidopsis thaliana...
  22. Sun A, Nie S, Xing D. Nitric oxide-mediated maintenance of redox homeostasis contributes to NPR1-dependent plant innate immunity triggered by lipopolysaccharides. Plant Physiol. 2012;160:1081-96 pubmed publisher
    ..Moreover, NPR1 plays an important role in LPS-triggered plant innate immunity. ..
  23. Petriccione M, Di Cecco I, Arena S, Scaloni A, Scortichini M. Proteomic changes in Actinidia chinensis shoot during systemic infection with a pandemic Pseudomonas syringae pv. actinidiae strain. J Proteomics. 2013;78:461-76 pubmed publisher
    A pandemic, very aggressive population of Pseudomonas syringae pv. actinidiae is currently causing severe economic losses to kiwifruit crops worldwide...
  24. Misas Villamil J, Kolodziejek I, Crabill E, Kaschani F, Niessen S, Shindo T, et al. Pseudomonas syringae pv. syringae uses proteasome inhibitor syringolin A to colonize from wound infection sites. PLoS Pathog. 2013;9:e1003281 pubmed publisher
    ..Here, we studied Pseudomonas syringae strains causing brown spot on bean and blossom blight on pear...
  25. Lee J, Wang X, Cui W, Sager R, Modla S, Czymmek K, et al. A plasmodesmata-localized protein mediates crosstalk between cell-to-cell communication and innate immunity in Arabidopsis. Plant Cell. 2011;23:3353-73 pubmed publisher
    ..Based on these findings, a model is proposed illustrating that the regulation of PD closure mediated by PDLP5 constitutes a crucial part of coordinated control of cell-to-cell communication and defense signaling. ..
  26. Vogel C, Innerebner G, Zingg J, Guder J, Vorholt J. Forward genetic in planta screen for identification of plant-protective traits of Sphingomonas sp. strain Fr1 against Pseudomonas syringae DC3000. Appl Environ Microbiol. 2012;78:5529-35 pubmed publisher
    ..strain Fr1 has recently been shown to protect Arabidopsis thaliana against the bacterial leaf pathogen Pseudomonas syringae DC3000. Here, we describe a forward genetic in planta screen to identify genes in Sphingomonas sp...
  27. Chapman J, Taylor R, Weir B, Romberg M, Vanneste J, Luck J, et al. Phylogenetic relationships among global populations of Pseudomonas syringae pv. actinidiae. Phytopathology. 2012;102:1034-44 pubmed publisher
    ABSTRACT Pseudomonas syringae pv. actinidiae, the causal agent of canker in kiwifruit (Actinidia spp.) vines, was first detected in Japan in 1984, followed by detections in Korea and Italy in the early 1990s...
  28. Bricchi I, Bertea C, Occhipinti A, Paponov I, Maffei M. Dynamics of membrane potential variation and gene expression induced by Spodoptera littoralis, Myzus persicae, and Pseudomonas syringae in Arabidopsis. PLoS ONE. 2012;7:e46673 pubmed publisher
    ..We investigated the common and specific responses of Arabidopsis thaliana to three biotic stress agents: Spodoptera littoralis, Myzus persicae, and the pathogen Pseudomonas syringae.
  29. Selote D, Robin G, Kachroo A. GmRIN4 protein family members function nonredundantly in soybean race-specific resistance against Pseudomonas syringae. New Phytol. 2013;197:1225-35 pubmed publisher
    The Pseudomonas syringae effector AvrB interacts with four related soybean (Glycine max) proteins (GmRIN4a-d), three (GmRIN4b, c, d) of which also interact with the cognate resistance (R) protein, Rpg1-b...
  30. Grosskinsky D, Naseem M, Abdelmohsen U, Plickert N, Engelke T, Griebel T, et al. Cytokinins mediate resistance against Pseudomonas syringae in tobacco through increased antimicrobial phytoalexin synthesis independent of salicylic acid signaling. Plant Physiol. 2011;157:815-30 pubmed publisher
    ..infection showed that cytokinins mediate enhanced resistance against the virulent hemibiotrophic pathogen Pseudomonas syringae pv tabaci...
  31. Cha J, Lee D, Lee J, Oh J, Baik H. GacA directly regulates expression of several virulence genes in Pseudomonas syringae pv. tabaci 11528. Biochem Biophys Res Commun. 2012;417:665-72 pubmed publisher
    ..tests and tobacco-leaf pathogenicity assays were conducted using a gacA deletion mutant strain (BL473) of Pseudomonas syringae pv. tabaci 11528...
  32. Burch A, Shimada B, Mullin S, Dunlap C, Bowman M, Lindow S. Pseudomonas syringae coordinates production of a motility-enabling surfactant with flagellar assembly. J Bacteriol. 2012;194:1287-98 pubmed publisher
    Using a sensitive assay, we observed low levels of an unknown surfactant produced by Pseudomonas syringae pv...
  33. He H, Su J, Shu S, Zhang Y, Ao Y, Liu B, et al. Two homologous putative protein tyrosine phosphatases, OsPFA-DSP2 and AtPFA-DSP4, negatively regulate the pathogen response in transgenic plants. PLoS ONE. 2012;7:e34995 pubmed publisher
    ..plants overexpressing AtPFA-DSP4, which is homologous to OsPFA-DSP2, also exhibited sensitivity to Pseudomonas syringae pv...
  34. Giska F, Lichocka M, Piechocki M, Dadlez M, Schmelzer E, Hennig J, et al. Phosphorylation of HopQ1, a type III effector from Pseudomonas syringae, creates a binding site for host 14-3-3 proteins. Plant Physiol. 2013;161:2049-61 pubmed publisher
    HopQ1 (for Hrp outer protein Q), a type III effector secreted by Pseudomonas syringae pv phaseolicola, is widely conserved among diverse genera of plant bacteria...
  35. Scalschi L, Vicedo B, Camañes G, Fernández Crespo E, Lapeña L, González Bosch C, et al. Hexanoic acid is a resistance inducer that protects tomato plants against Pseudomonas syringae by priming the jasmonic acid and salicylic acid pathways. Mol Plant Pathol. 2013;14:342-55 pubmed publisher
    ..Our study of the mechanisms implicated in Hx-IR against Pseudomonas syringae pv...
  36. Daudi A, Cheng Z, O Brien J, Mammarella N, Khan S, Ausubel F, et al. The apoplastic oxidative burst peroxidase in Arabidopsis is a major component of pattern-triggered immunity. Plant Cell. 2012;24:275-87 pubmed publisher
    ..Finally, the PRX33 knockdown line is more susceptible to Pseudomonas syringae than wild-type plants...
  37. De la Peña C, Rangel Cano A, Alvarez Venegas R. Regulation of disease-responsive genes mediated by epigenetic factors: interaction of Arabidopsis-Pseudomonas. Mol Plant Pathol. 2012;13:388-98 pubmed publisher
    ..To gain a better understanding of the epigenetic mechanisms regulating the interaction between Pseudomonas syringae and Arabidopsis thaliana, we analysed three different Arabidopsis ash1-related (absent, small or homeotic ..
  38. Mukhtar M, Carvunis A, Dreze M, Epple P, Steinbrenner J, Moore J, et al. Independently evolved virulence effectors converge onto hubs in a plant immune system network. Science. 2011;333:596-601 pubmed publisher
    ..Thus, pathogens from different kingdoms deploy independently evolved virulence proteins that interact with a limited set of highly connected cellular hubs to facilitate their diverse life-cycle strategies. ..
  39. Arrebola E, Carrión V, Cazorla F, Pérez García A, Murillo J, de Vicente A. Characterisation of the mgo operon in Pseudomonas syringae pv. syringae UMAF0158 that is required for mangotoxin production. BMC Microbiol. 2012;12:10 pubmed publisher
    Mangotoxin is an antimetabolite toxin that is produced by strains of Pseudomonas syringae pv. syringae; mangotoxin-producing strains are primarily isolated from mango tissues with symptoms of bacterial apical necrosis...
  40. Schikora A, Schenk S, Stein E, Molitor A, Zuccaro A, Kogel K. N-acyl-homoserine lactone confers resistance toward biotrophic and hemibiotrophic pathogens via altered activation of AtMPK6. Plant Physiol. 2011;157:1407-18 pubmed publisher
    ..oxo-C14-HSL-treated Arabidopsis plants were more resistant toward the hemibiotrophic bacterial pathogen Pseudomonas syringae pv tomato DC3000...
  41. Lindeberg M, Cunnac S, Collmer A. Pseudomonas syringae type III effector repertoires: last words in endless arguments. Trends Microbiol. 2012;20:199-208 pubmed publisher
    ..The bacterial pathogen Pseudomonas syringae is a model for exploring the functional structure of such repertoires. The pangenome of P...
  42. O Brien H, Thakur S, Gong Y, Fung P, Zhang J, Yuan L, et al. Extensive remodeling of the Pseudomonas syringae pv. avellanae type III secretome associated with two independent host shifts onto hazelnut. BMC Microbiol. 2012;12:141 pubmed publisher
    ..disease in Greece and Italy is caused by the convergent evolution of two distantly related lineages of Pseudomonas syringae pv. avellanae (Pav)...
  43. Kud J, Zhao Z, Du X, Liu Y, Zhao Y, Xiao F. SGT1 interacts with the Prf resistance protein and is required for Prf accumulation and Prf-mediated defense signaling. Biochem Biophys Res Commun. 2013;431:501-5 pubmed publisher
    ..on the SGT1-silenced tomato plants implicates SGT1 is required for the Prf-mediated full resistance to Pseudomonas syringae pv. tomato (Pst). These results suggest that, in both N...
  44. Filiatrault M, Stodghill P, Wilson J, Butcher B, Chen H, Myers C, et al. CrcZ and CrcX regulate carbon source utilization in Pseudomonas syringae pathovar tomato strain DC3000. RNA Biol. 2013;10:245-55 pubmed publisher
    ..system CbrAB, and is influenced by the carbon source present in the medium in the model plant pathogen Pseudomonas syringae pv tomato DC3000...
  45. McCann H, Rikkerink E, Bertels F, Fiers M, Lu A, Rees George J, et al. Genomic analysis of the Kiwifruit pathogen Pseudomonas syringae pv. actinidiae provides insight into the origins of an emergent plant disease. PLoS Pathog. 2013;9:e1003503 pubmed publisher
    ..In addition to candidate genes as targets for resistance breeding programs, our findings highlight the importance of the source population as a reservoir of new disease...
  46. Zheng X, Spivey N, Zeng W, Liu P, Fu Z, Klessig D, et al. Coronatine promotes Pseudomonas syringae virulence in plants by activating a signaling cascade that inhibits salicylic acid accumulation. Cell Host Microbe. 2012;11:587-96 pubmed publisher
    Phytopathogens can manipulate plant hormone signaling to access nutrients and counteract defense responses. Pseudomonas syringae produces coronatine, a toxin that mimics the plant hormone jasmonic acid isoleucine and promotes opening of ..
  47. Lewis J, Lee A, Hassan J, Wan J, Hurley B, Jhingree J, et al. The Arabidopsis ZED1 pseudokinase is required for ZAR1-mediated immunity induced by the Pseudomonas syringae type III effector HopZ1a. Proc Natl Acad Sci U S A. 2013;110:18722-7 pubmed publisher
    ..The T3SE HopZ1a is an acetyltransferase carried by the phytopathogen Pseudomonas syringae that elicits effector-triggered immunity (ETI) when recognized in Arabidopsis thaliana by the nucleotide-..
  48. Dobon A, Canet J, Perales L, Tornero P. Quantitative genetic analysis of salicylic acid perception in Arabidopsis. Planta. 2011;234:671-84 pubmed publisher
    ..between ecotypes have been tried and it has been found that measuring the growth of a virulent isolate of Pseudomonas syringae after the exogenous application of SA is the most effective one...
  49. Ishiga Y, Ishiga T, Wangdi T, Mysore K, Uppalapati S. NTRC and chloroplast-generated reactive oxygen species regulate Pseudomonas syringae pv. tomato disease development in tomato and Arabidopsis. Mol Plant Microbe Interact. 2012;25:294-306 pubmed publisher
    Coronatine (COR)-producing pathovars of Pseudomonas syringae, including pvs...
  50. Camañes G, Pastor V, Cerezo M, García Andrade J, Vicedo B, García Agustín P, et al. A deletion in NRT2.1 attenuates Pseudomonas syringae-induced hormonal perturbation, resulting in primed plant defenses. Plant Physiol. 2012;158:1054-66 pubmed publisher
    ..This gene antagonizes the priming of plant defenses against the bacterial pathogen Pseudomonas syringae pv tomato DC3000 (Pst). The nrt2 mutant (which is deficient in two genes, NRT2.1 and NRT2...
  51. Haapalainen M, Mosorin H, Dorati F, Wu R, Roine E, Taira S, et al. Hcp2, a secreted protein of the phytopathogen Pseudomonas syringae pv. tomato DC3000, is required for fitness for competition against bacteria and yeasts. J Bacteriol. 2012;194:4810-22 pubmed publisher
    When analyzing the secretome of the plant pathogen Pseudomonas syringae pv. tomato DC3000, we identified hemolysin-coregulated protein (Hcp) as one of the secreted proteins...
  52. Bhattacharjee S, Halane M, Kim S, Gassmann W. Pathogen effectors target Arabidopsis EDS1 and alter its interactions with immune regulators. Science. 2011;334:1405-8 pubmed publisher
  53. Lee A, Hurley B, Felsensteiner C, Yea C, Ckurshumova W, Bartetzko V, et al. A bacterial acetyltransferase destroys plant microtubule networks and blocks secretion. PLoS Pathog. 2012;8:e1002523 pubmed publisher
    ..Here we show that the Pseudomonas syringae type III secreted effector HopZ1a interacts with tubulin and polymerized microtubules...
  54. Zhang Z, Wu Y, Gao M, Zhang J, Kong Q, Liu Y, et al. Disruption of PAMP-induced MAP kinase cascade by a Pseudomonas syringae effector activates plant immunity mediated by the NB-LRR protein SUMM2. Cell Host Microbe. 2012;11:253-63 pubmed publisher
    ..Further, the MEKK1-MKK1/MKK2-MPK4 cascade positively regulates basal defense targeted by the Pseudomonas syringae pathogenic effector HopAI1, which inhibits MPK4 kinase activity...
  55. Macho A, Boutrot F, Rathjen J, Zipfel C. Aspartate oxidase plays an important role in Arabidopsis stomatal immunity. Plant Physiol. 2012;159:1845-56 pubmed publisher
    ..Finally, we determined that AO is required for stomatal immunity against the bacterium Pseudomonas syringae. Altogether, our work reveals a novel specific requirement for AO activity in PAMP-triggered RBOHD-..
  56. Geng X, Cheng J, Gangadharan A, Mackey D. The coronatine toxin of Pseudomonas syringae is a multifunctional suppressor of Arabidopsis defense. Plant Cell. 2012;24:4763-74 pubmed publisher
    The phytotoxin coronatine (COR) promotes various aspects of Pseudomonas syringae virulence, including invasion through stomata, growth in the apoplast, and induction of disease symptoms...
  57. Butler M, Stockwell P, Black M, Day R, Lamont I, Poulter R. Pseudomonas syringae pv. actinidiae from recent outbreaks of kiwifruit bacterial canker belong to different clones that originated in China. PLoS ONE. 2013;8:e57464 pubmed publisher
    ..chinensis), is caused by Pseudomonas syringae pv. actinidiae (PSA). The disease was first reported in China and Japan in the 1980s...
  58. Schön M, Töller A, Diezel C, Roth C, Westphal L, Wiermer M, et al. Analyses of wrky18 wrky40 plants reveal critical roles of SA/EDS1 signaling and indole-glucosinolate biosynthesis for Golovinomyces orontii resistance and a loss-of resistance towards Pseudomonas syringae pv. tomato AvrRPS4. Mol Plant Microbe Interact. 2013;26:758-67 pubmed publisher
    ..as the wrky18 wrky40 double mutant was found to be strongly susceptible towards the bacterial pathogen Pseudomonas syringae DC3000 expressing the effector AvrRPS4 but not against other tested Pseudomonas strains...
  59. Zeng L, Velásquez A, Munkvold K, Zhang J, Martin G. A tomato LysM receptor-like kinase promotes immunity and its kinase activity is inhibited by AvrPtoB. Plant J. 2012;69:92-103 pubmed publisher
    Resistance in tomato (Solanum lycopersicum) to infection by Pseudomonas syringae involves both detection of pathogen-associated molecular patterns (PAMPs) and recognition by the host Pto kinase of pathogen effector AvrPtoB which is ..
  60. O Brien H, Gong Y, Fung P, Wang P, Guttman D. Use of low-coverage, large-insert, short-read data for rapid and accurate generation of enhanced-quality draft Pseudomonas genome sequences. PLoS ONE. 2011;6:e27199 pubmed publisher
    ..the generation of an enhanced-quality draft genome by re-sequencing the plant pathogenic bacterium Pseudomonas syringae pv. phaseolicola 1448A (Pph 1448A), which has a published, closed genome sequence of 5.93 Mbp...
  61. Sohn K, Jones J, Studholme D. Draft genome sequence of Pseudomonas syringae pathovar syringae strain FF5, causal agent of stem tip dieback disease on ornamental pear. J Bacteriol. 2012;194:3733-4 pubmed publisher
    b>Pseudomonas syringae FF5 causes stem tip dieback disease on ornamental pear (Pyrus calleryana)...
  62. Wang L, Fobert P. Arabidopsis clade I TGA factors regulate apoplastic defences against the bacterial pathogen Pseudomonas syringae through endoplasmic reticulum-based processes. PLoS ONE. 2013;8:e77378 pubmed publisher
    ..shown to positively contribute to disease resistance against virulent strains of the bacterial pathogen Pseudomonas syringae. Despite physically interacting with the key immune regulator, NON-EXPRESSOR OF PATHOGENESIS-RELATED GENES ..
  63. Ederli L, Madeo L, Calderini O, Gehring C, Moretti C, Buonaurio R, et al. The Arabidopsis thaliana cysteine-rich receptor-like kinase CRK20 modulates host responses to Pseudomonas syringae pv. tomato DC3000 infection. J Plant Physiol. 2011;168:1784-94 pubmed publisher
    ..isolated from public collections of Arabidopsis T-DNA tagged lines and examined for responses to O(3) and Pseudomonas syringae pv. tomato (Pst) DC3000...
  64. Hettenhausen C, Baldwin I, Wu J. Silencing MPK4 in Nicotiana attenuata enhances photosynthesis and seed production but compromises abscisic acid-induced stomatal closure and guard cell-mediated resistance to Pseudomonas syringae pv tomato DC3000. Plant Physiol. 2012;158:759-76 pubmed publisher
    ..plays an important role in the guard cell-mediated defense against a surface-deposited bacterial pathogen, Pseudomonas syringae pv tomato (Pst) DC3000; in contrast, when bacteria directly entered leaves by pressure infiltration, NaMPK4 ..
  65. O Brien H, Thakur S, Guttman D. Evolution of plant pathogenesis in Pseudomonas syringae: a genomics perspective. Annu Rev Phytopathol. 2011;49:269-89 pubmed publisher
    The phytopathogenic bacterium Pseudomonas syringae causes serious diseases in a wide range of important crop plants, with recent severe outbreaks on the New Zealand kiwifruit crop and among British horse chestnut trees...
  66. Filiatrault M, Stodghill P, Myers C, Bronstein P, Butcher B, Lam H, et al. Genome-wide identification of transcriptional start sites in the plant pathogen Pseudomonas syringae pv. tomato str. DC3000. PLoS ONE. 2011;6:e29335 pubmed publisher
    ..high-throughput sequencing technology, we globally identified 5'-ends of transcripts for the plant pathogen Pseudomonas syringae pv. tomato str. DC3000...
  67. Lewis J, Wan J, Ford R, Gong Y, Fung P, Nahal H, et al. Quantitative Interactor Screening with next-generation Sequencing (QIS-Seq) identifies Arabidopsis thaliana MLO2 as a target of the Pseudomonas syringae type III effector HopZ2. BMC Genomics. 2012;13:8 pubmed publisher
    ..We applied QIS-Seq to identify the Arabidopsis thaliana MLO2 protein as a target of the Pseudomonas syringae type III secreted effector protein HopZ2...
  68. Clarke C, Chinchilla D, Hind S, Taguchi F, Miki R, Ichinose Y, et al. Allelic variation in two distinct Pseudomonas syringae flagellin epitopes modulates the strength of plant immune responses but not bacterial motility. New Phytol. 2013;200:847-60 pubmed publisher
    ..of allelic diversity in flg22 and flgII-28 in plant-pathogen interactions using purified peptides and a Pseudomonas syringae ?fliC mutant complemented with different fliC alleles...
  69. Lee J, Teitzel G, Munkvold K, del Pozo O, Martin G, Michelmore R, et al. Type III secretion and effectors shape the survival and growth pattern of Pseudomonas syringae on leaf surfaces. Plant Physiol. 2012;158:1803-18 pubmed publisher
    The bacterium Pseudomonas syringae pv syringae B728a (PsyB728a) uses a type III secretion system (T3SS) to inject effector proteins into plant cells, a process that modulates the susceptibility of different plants to infection...
  70. Xiao S, Chye M. Overexpression of Arabidopsis ACBP3 enhances NPR1-dependent plant resistance to Pseudomonas syringe pv tomato DC3000. Plant Physiol. 2011;156:2069-81 pubmed publisher
    ..Here, we show that ACBP3 plays a role in the plant defense response to the bacterial pathogen Pseudomonas syringae pv tomato DC3000...
  71. Richter C, Dirks M, Gronover C, Prüfer D, Moerschbacher B. Silencing and heterologous expression of ppo-2 indicate a specific function of a single polyphenol oxidase isoform in resistance of dandelion (Taraxacum officinale) against Pseudomonas syringae pv. tomato. Mol Plant Microbe Interact. 2012;25:200-10 pubmed publisher
    ..potential involvement of five PPO isoenzymes in the resistance of dandelion against Botrytis cinerea and Pseudomonas syringae pv. tomato...
  72. Cho H, Kang H. The PseEF efflux system is a virulence factor of Pseudomonas syringae pv. syringae. J Microbiol. 2012;50:79-90 pubmed publisher
    ..called the PseEF efflux system, was identified at the left border of the syr-syp genomic island of Pseudomonas syringae pv. syringae strain B301D. The PseEF efflux system was located within a 3...
  73. Wathugala D, Hemsley P, Moffat C, Cremelie P, Knight M, Knight H. The Mediator subunit SFR6/MED16 controls defence gene expression mediated by salicylic acid and jasmonate responsive pathways. New Phytol. 2012;195:217-30 pubmed publisher
    ..Gene expression responses to Pseudomonas syringae, ultraviolet-C (UV-C) irradiation, salicylic acid (SA) and jasmonic acid (JA) were investigated in three ..
  74. Porter K, Shimono M, Tian M, Day B. Arabidopsis Actin-Depolymerizing Factor-4 links pathogen perception, defense activation and transcription to cytoskeletal dynamics. PLoS Pathog. 2012;8:e1003006 pubmed publisher
    ..for the activation of resistance in Arabidopsis following infection with the phytopathogenic bacterium Pseudomonas syringae pv. tomato DC3000 (Pst) expressing the effector protein AvrPphB...
  75. Lee B, Farag M, Park H, Kloepper J, Lee S, Ryu C. Induced resistance by a long-chain bacterial volatile: elicitation of plant systemic defense by a C13 volatile produced by Paenibacillus polymyxa. PLoS ONE. 2012;7:e48744 pubmed publisher
    ..The objective of this study was to evaluate whether species-specific VOCs from PGPR strain Paenibacillus polymyxa E681 can promote growth and induce resistance in Arabidopsis...
  76. Bao Z, Cartinhour S, Swingle B. Substrate and target sequence length influence RecTE(Psy) recombineering efficiency in Pseudomonas syringae. PLoS ONE. 2012;7:e50617 pubmed publisher
    We are developing a new recombineering system to assist experimental manipulation of the Pseudomonas syringae genome. P...
  77. Morris C, Monteil C, Berge O. The life history of Pseudomonas syringae: linking agriculture to earth system processes. Annu Rev Phytopathol. 2013;51:85-104 pubmed publisher
    The description of the ecology of Pseudomonas syringae is moving away from that of a ubiquitous epiphytic plant pathogen to one of a multifaceted bacterium sans frontières in fresh water and other ecosystems linked to the water cycle...
  78. Zhang X, Zhao H, Gao S, Wang W, Katiyar Agarwal S, Huang H, et al. Arabidopsis Argonaute 2 regulates innate immunity via miRNA393(?)-mediated silencing of a Golgi-localized SNARE gene, MEMB12. Mol Cell. 2011;42:356-66 pubmed publisher
    ..We found that Arabidopsis AGO2 is highly induced by the bacterial pathogen Pseudomonas syringae pv. tomato (Pst). Further genetic analysis demonstrated that AGO2 functions in antibacterial immunity...
  79. Cai R, Lewis J, Yan S, Liu H, Clarke C, Campanile F, et al. The plant pathogen Pseudomonas syringae pv. tomato is genetically monomorphic and under strong selection to evade tomato immunity. PLoS Pathog. 2011;7:e1002130 pubmed publisher
    ..Here, we report a genome-based micro-evolutionary study of a bacterial plant pathogen, Pseudomonas syringae pv. tomato...
  80. Afzal A, da Cunha L, Mackey D. Separable fragments and membrane tethering of Arabidopsis RIN4 regulate its suppression of PAMP-triggered immunity. Plant Cell. 2011;23:3798-811 pubmed publisher
    ..Our results indicate that RIN4 is a multifunctional suppressor of PTI and that a virulence function of AvrRpt2 may include cleaving RIN4 into active defense-suppressing fragments...
  81. Marcelletti S, Ferrante P, Petriccione M, Firrao G, Scortichini M. Pseudomonas syringae pv. actinidiae draft genomes comparison reveal strain-specific features involved in adaptation and virulence to Actinidia species. PLoS ONE. 2011;6:e27297 pubmed publisher
    A recent re-emerging bacterial canker disease incited by Pseudomonas syringae pv. actinidiae (Psa) is causing severe economic losses to Actinidia chinensis and A...
  82. Demba Diallo M, Monteil C, Vinatzer B, Clarke C, Glaux C, Guilbaud C, et al. Pseudomonas syringae naturally lacking the canonical type III secretion system are ubiquitous in nonagricultural habitats, are phylogenetically diverse and can be pathogenic. ISME J. 2012;6:1325-35 pubmed publisher
    ..Here we have characterized T3SS-deficient strains of Pseudomonas syringae from plant and nonplant substrates in pristine nonagricultural contexts, many of which represent recently ..
  83. Wan D, Li R, Zou B, Zhang X, Cong J, Wang R, et al. Calmodulin-binding protein CBP60g is a positive regulator of both disease resistance and drought tolerance in Arabidopsis. Plant Cell Rep. 2012;31:1269-81 pubmed publisher
    ..caused elevated SA accumulation, increased expression of the defense genes, and enhanced resistance to Pseudomonas syringae. In addition to the enhanced defense response, the CBP60g overexpression lines showed hypersensitivity to ..
  84. Shearer H, Cheng Y, Wang L, Liu J, Boyle P, Despres C, et al. Arabidopsis clade I TGA transcription factors regulate plant defenses in an NPR1-independent fashion. Mol Plant Microbe Interact. 2012;25:1459-68 pubmed publisher
    ..TGA1 and TGA4) to defense responses, a tga1-1 tga4-1 double mutant was constructed and challenged with Pseudomonas syringae and Hyaloperonospora arabidopsidis. Although the mutant displayed enhanced susceptibility to virulent P...
  85. Wang L, Tsuda K, Truman W, Sato M, Nguyen L, Katagiri F, et al. CBP60g and SARD1 play partially redundant critical roles in salicylic acid signaling. Plant J. 2011;67:1029-41 pubmed publisher
    ..Calmodulin binding is required for the function of CBP60g in limiting growth of the bacterial pathogen Pseudomonas syringae pv. maculicola (Pma) ES4326 and activation of SA synthesis...
  86. Hou S, Mu R, Ma G, Xu X, Zhang C, Yang Y, et al. Pseudomonas syringae pv. phaseolicola effector HopF1 inhibits pathogen-associated molecular pattern-triggered immunity in a RIN4-independent manner in common bean (Phaseolus vulgaris). FEMS Microbiol Lett. 2011;323:35-43 pubmed publisher
    ..One of the secreted effectors of Pseudomonas syringae pv...
  87. Nie H, Zhao C, Wu G, Wu Y, Chen Y, Tang D. SR1, a calmodulin-binding transcription factor, modulates plant defense and ethylene-induced senescence by directly regulating NDR1 and EIN3. Plant Physiol. 2012;158:1847-59 pubmed publisher
    ..The sr1-4D single mutant is more susceptible to a Pseudomonas syringae pv tomato DC3000 virulent strain and to avirulent strains carrying avrRpt2 or avrRPS4 than the wild type...
  88. Scortichini M, Marcelletti S, Ferrante P, Petriccione M, Firrao G. Pseudomonas syringae pv. actinidiae: a re-emerging, multi-faceted, pandemic pathogen. Mol Plant Pathol. 2012;13:631-40 pubmed publisher
    b>Pseudomonas syringae pv. actinidiae is the causal agent of bacterial canker of green-fleshed kiwifruit (Actinidia deliciosa) and yellow-fleshed kiwifruit (A. chinensis)...
  89. Xu G, Li S, Xie K, Zhang Q, Wang Y, Tang Y, et al. Plant ERD2-like proteins function as endoplasmic reticulum luminal protein receptors and participate in programmed cell death during innate immunity. Plant J. 2012;72:57-69 pubmed publisher
    ..Silencing of ERD2b delayed HR PCD induced by the non-host pathogens Xanthomonas oryzae pv. oryzae and Pseudomonas syringae pv. tomato DC3000. However, both silencing of ERD2a and co-silencing of ERD2a and ERD2b exacerbated HR PCD...
  90. Hockett K, Burch A, Lindow S. Thermo-regulation of genes mediating motility and plant interactions in Pseudomonas syringae. PLoS ONE. 2013;8:e59850 pubmed publisher
    b>Pseudomonas syringae is an important phyllosphere colonist that utilizes flagellum-mediated motility both as a means to explore leaf surfaces, as well as to invade into leaf interiors, where it survives as a pathogen...
  91. Blakney A, Patten C. A plant growth-promoting pseudomonad is closely related to the Pseudomonas syringae complex of plant pathogens. FEMS Microbiol Ecol. 2011;77:546-57 pubmed publisher
    ..16S rRNA gene and four housekeeping genes indicated that this strain forms a monophyletic group with the Pseudomonas syringae complex, which is composed of several species of plant pathogens...
  92. Son G, Wan J, Kim H, Nguyen X, Chung W, Hong J, et al. Ethylene-responsive element-binding factor 5, ERF5, is involved in chitin-induced innate immunity response. Mol Plant Microbe Interact. 2012;25:48-60 pubmed publisher
    ..and positively regulate salicylic acid signaling and plant defense against the bacterial pathogen Pseudomonas syringae pv. tomato DC3000...
  93. Mecey C, Hauck P, Trapp M, Pumplin N, Plovanich A, Yao J, et al. A critical role of STAYGREEN/Mendel's I locus in controlling disease symptom development during Pseudomonas syringae pv tomato infection of Arabidopsis. Plant Physiol. 2011;157:1965-74 pubmed publisher
    ..of disease symptoms (leaf chlorosis and/or necrosis) after infection with the bacterial pathogen Pseudomonas syringae pv tomato (Pst) DC3000...
  94. Heidrich K, Wirthmueller L, Tasset C, Pouzet C, Deslandes L, Parker J. Arabidopsis EDS1 connects pathogen effector recognition to cell compartment-specific immune responses. Science. 2011;334:1401-4 pubmed publisher
    ..Thus, EDS1 behaves as an effector target and activated TIR-NB-LRR signal transducer for defenses across cell compartments...
  95. Cheng W, Munkvold K, Gao H, Mathieu J, Schwizer S, Wang S, et al. Structural analysis of Pseudomonas syringae AvrPtoB bound to host BAK1 reveals two similar kinase-interacting domains in a type III Effector. Cell Host Microbe. 2011;10:616-26 pubmed publisher
    To infect plants, Pseudomonas syringae pv. tomato delivers ~30 type III effector proteins into host cells, many of which interfere with PAMP-triggered immunity (PTI)...
  96. Shah R, Schwach J, Frankenberg Dinkel N, Gartner W. Complex formation between heme oxygenase and phytochrome during biosynthesis in Pseudomonas syringae pv. tomato. Photochem Photobiol Sci. 2012;11:1026-31 pubmed publisher
    The plant pathogen Pseudomonas syringae pv. tomato carries two genes encoding bacterial phytochromes. Sequence motifs identify both proteins (PstBphP1 and PstBphP2, respectively) as biliverdin IX? (BV)-binding phytochromes...
  97. Zhang X, Wang C, Zhang Y, Sun Y, Mou Z. The Arabidopsis mediator complex subunit16 positively regulates salicylate-mediated systemic acquired resistance and jasmonate/ethylene-induced defense pathways. Plant Cell. 2012;24:4294-309 pubmed publisher
    ..defense responses, altered the transcriptional changes induced by the avirulent bacterial pathogen Pseudomonas syringae pv tomato (Pst) DC3000/avrRpt2, and rendered plants susceptible to both Pst DC3000/avrRpt2 and Pst DC3000...
  98. Carrión V, Gutiérrez Barranquero J, Arrebola E, Bardaji L, Codina J, de Vicente A, et al. The mangotoxin biosynthetic operon (mbo) is specifically distributed within Pseudomonas syringae genomospecies 1 and was acquired only once during evolution. Appl Environ Microbiol. 2013;79:756-67 pubmed publisher
    Mangotoxin production was first described in Pseudomonas syringae pv. syringae strains. A phenotypic characterization of 94 P. syringae strains was carried out to determine the genetic evolution of the mangotoxin biosynthetic operon (mbo)...
  99. Monteil C, Cai R, Liu H, Llontop M, Leman S, Studholme D, et al. Nonagricultural reservoirs contribute to emergence and evolution of Pseudomonas syringae crop pathogens. New Phytol. 2013;199:800-11 pubmed publisher
    ..Here, we analyzed phylogeny, virulence genes, host range, and aggressiveness of Pseudomonas syringae strains closely related to the tomato pathogen P. syringae pv...
  100. Sulthana S, Rajyaguru P, Mittal P, Ray M. rnr gene from the antarctic bacterium Pseudomonas syringae Lz4W, encoding a psychrophilic RNase R. Appl Environ Microbiol. 2011;77:7896-904 pubmed publisher
    ..The enzyme was observed to be essential for growth of the psychrophilic Antarctic bacterium Pseudomonas syringae Lz4W at a low temperature...