erwinia amylovora

Summary

Summary: A species of gram-negative bacteria, in the genus ERWINIA, causing a necrotic disease of plants.

Top Publications

  1. DebRoy S, Thilmony R, Kwack Y, Nomura K, He S. A family of conserved bacterial effectors inhibits salicylic acid-mediated basal immunity and promotes disease necrosis in plants. Proc Natl Acad Sci U S A. 2004;101:9927-32 pubmed
    ..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...
  2. Foster G, McGhee G, Jones A, Sundin G. Nucleotide sequences, genetic organization, and distribution of pEU30 and pEL60 from Erwinia amylovora. Appl Environ Microbiol. 2004;70:7539-44 pubmed
    ..organization, and distribution of plasmids pEU30 (30,314 bp) and pEL60 (60,145 bp) from the plant pathogen Erwinia amylovora are described...
  3. Triplett L, Zhao Y, Sundin G. Genetic differences between blight-causing Erwinia species with differing host specificities, identified by suppression subtractive hybridization. Appl Environ Microbiol. 2006;72:7359-64 pubmed
    PCR-based subtractive hybridization was used to isolate sequences from Erwinia amylovora strain Ea110, which is pathogenic on apples and pears, that were not present in three closely related strains with differing host specificities: E...
  4. McGhee G, Guasco J, Bellomo L, Blumer Schuette S, Shane W, Irish Brown A, et al. Genetic analysis of streptomycin-resistant (Sm(R)) strains of Erwinia amylovora suggests that dissemination of two genotypes is responsible for the current distribution of Sm(R) E. amylovora in Michigan. Phytopathology. 2011;101:182-91 pubmed publisher
    Streptomycin-resistant (Sm(R)) strains of the fire blight pathogen Erwinia amylovora were first isolated in southwest Michigan in 1991...
  5. Nakka S, Qi M, Zhao Y. The Erwinia amylovora PhoPQ system is involved in resistance to antimicrobial peptide and suppresses gene expression of two novel type III secretion systems. Microbiol Res. 2010;165:665-73 pubmed publisher
    ..5 or 5) than that of the wild-type (WT) strain, suggesting that this system in Erwinia amylovora may negatively regulate acid resistance gene expression...
  6. Le Roux P, Khan M, Broggini G, Duffy B, Gessler C, Patocchi A. Mapping of quantitative trait loci for fire blight resistance in the apple cultivars 'Florina' and 'Nova Easygro'. Genome. 2010;53:710-22 pubmed publisher
    ..In parallel, progeny plants were artificially inoculated with Erwinia amylovora strain CFBP 1430 in a quarantine glasshouse...
  7. Zhao Y, Wang D, Nakka S, Sundin G, Korban S. Systems level analysis of two-component signal transduction systems in Erwinia amylovora: role in virulence, regulation of amylovoran biosynthesis and swarming motility. BMC Genomics. 2009;10:245 pubmed publisher
    ..TCSTs play critical roles in sensing and responding to environmental conditions, and in bacterial pathogenesis. Most TCSTs in Erwinia amylovora have either not been identified or have not yet been studied.
  8. Lee S, Ngugi H, Halbrendt N, O Keefe G, Lehman B, Travis J, et al. Virulence characteristics accounting for fire blight disease severity in apple trees and seedlings. Phytopathology. 2010;100:539-50 pubmed publisher
    The gram-negative bacterium Erwinia amylovora is the causal agent of fire blight, the most destructive bacterial disease of rosaceous plants, including apple and pear. Here, we compared the virulence levels of six E...
  9. Hildebrand M, Aldridge P, Geider K. Characterization of hns genes from Erwinia amylovora. Mol Genet Genomics. 2006;275:310-9 pubmed publisher
    ..amylovora plasmid was overexpressed. A mutation in chromosomal hns of E. amylovora increased amylovoran synthesis, and both mutations retarded symptom formation on immature pears...

More Information

Publications78

  1. Siamer S, Gaubert S, Boureau T, Brisset M, Barny M. Mutational analysis of a predicted double ?-propeller domain of the DspA/E effector of Erwinia amylovora. FEMS Microbiol Lett. 2013;342:54-61 pubmed publisher
    The bacterium Erwinia amylovora causes fire blight, an invasive disease that threatens apple trees, pear trees and other plants of the Rosaceae family...
  2. Mann R, Smits T, Bühlmann A, Blom J, Goesmann A, Frey J, et al. Comparative genomics of 12 strains of Erwinia amylovora identifies a pan-genome with a large conserved core. PLoS ONE. 2013;8:e55644 pubmed publisher
    The plant pathogen Erwinia amylovora can be divided into two host-specific groupings; strains infecting a broad range of hosts within the Rosaceae subfamily Spiraeoideae (e.g...
  3. Gao Y, Song J, Hu B, Zhang L, Liu Q, Liu F. The luxS gene is involved in AI-2 production, pathogenicity, and some phenotypes in Erwinia amylovora. Curr Microbiol. 2009;58:1-10 pubmed publisher
    b>Erwinia amylovora causes fire blight of apple, pear, and other members of the Rosaceae family...
  4. Born Y, Fieseler L, Marazzi J, Lurz R, Duffy B, Loessner M. Novel virulent and broad-host-range Erwinia amylovora bacteriophages reveal a high degree of mosaicism and a relationship to Enterobacteriaceae phages. Appl Environ Microbiol. 2011;77:5945-54 pubmed publisher
    A diverse set of 24 novel phages infecting the fire blight pathogen Erwinia amylovora was isolated from fruit production environments in Switzerland...
  5. Fischer T, Gosch C, Mirbeth B, Gselmann M, Thallmair V, Stich K. Potent and specific bactericidal effect of juglone (5-hydroxy-1,4-naphthoquinone) on the fire blight pathogen Erwinia amylovora. J Agric Food Chem. 2012;60:12074-81 pubmed publisher
    A screening of plant quinones for inhibiting effects on the bacterial fire blight pathogen Erwinia amylovora was performed. The most active compound, juglone from walnuts, has a potent and specific bactericidal effect on E...
  6. Johnson K, Sawyer T, Stockwell V, Temple T. Implications of pathogenesis by Erwinia amylovora on rosaceous stigmas to biological control of fire blight. Phytopathology. 2009;99:128-38 pubmed publisher
    As a prerequisite to infection of flowers, Erwinia amylovora grows epiphytically on stigmas, which provide a conducive habitat for bacterial growth...
  7. Mann R, Blom J, Bühlmann A, Plummer K, Beer S, Luck J, et al. Comparative analysis of the Hrp pathogenicity island of Rubus- and Spiraeoideae-infecting Erwinia amylovora strains identifies the IT region as a remnant of an integrative conjugative element. Gene. 2012;504:6-12 pubmed publisher
    The Hrp pathogenicity island (hrpPAI) of Erwinia amylovora not only encodes a type III secretion system (T3SS) and other genes required for pathogenesis on host plants, but also includes the so-called island transfer (IT) region, a ..
  8. Smits T, Rezzonico F, Kamber T, Goesmann A, Ishimaru C, Stockwell V, et al. Genome sequence of the biocontrol agent Pantoea vagans strain C9-1. J Bacteriol. 2010;192:6486-7 pubmed publisher
    ..Here we report the 4.89-Mb genome sequence of P. vagans strain C9-1 (formerly Pantoea agglomerans), which is commercially registered for biological control of fire blight, a disease of pear and apple trees caused by Erwinia amylovora.
  9. Donat V, Biosca E, Penalver J, Lopez M. Exploring diversity among Spanish strains of Erwinia amylovora and possible infection sources. J Appl Microbiol. 2007;103:1639-49 pubmed
    We have examined the intraspecific diversity of a collection of 63 Spanish strains of Erwinia amylovora, isolated from 1995 to 2001, to determine whether or not they could be grouped based on phenotypic or genotypic criteria and to ..
  10. Al Karablieh N, Weingart H, Ullrich M. The outer membrane protein TolC is required for phytoalexin resistance and virulence of the fire blight pathogen Erwinia amylovora. Microb Biotechnol. 2009;2:465-75 pubmed publisher
    b>Erwinia amylovora causes fire blight on several plant species such as apple and pear, which produce diverse phytoalexins as defence mechanisms...
  11. Boureau T, Siamer S, Perino C, Gaubert S, Patrit O, Degrave A, et al. The HrpN effector of Erwinia amylovora, which is involved in type III translocation, contributes directly or indirectly to callose elicitation on apple leaves. Mol Plant Microbe Interact. 2011;24:577-84 pubmed publisher
    b>Erwinia amylovora is responsible for fire blight of apple and pear trees. Its pathogenicity depends on a type III secretion system (T3SS) mediating the translocation of effectors into the plant cell...
  12. Mohammadi M, Geider K. Autoinducer-2 of the fire blight pathogen Erwinia amylovora and other plant-associated bacteria. FEMS Microbiol Lett. 2007;266:34-41 pubmed
    ..The gene was identified in a shotgun library of Erwinia amylovora and primers designed for PCR amplification from bacterial DNA...
  13. Jock S, Geider K. Molecular differentiation of Erwinia amylovora strains from North America and of two Asian pear pathogens by analyses of PFGE patterns and hrpN genes. Environ Microbiol. 2004;6:480-90 pubmed
    In order to determine a possible genomic divergence of Erwinia amylovora'fruit tree' and raspberry strains from North America, several isolates were differentiated by pulsed-field gel electrophoresis (PFGE) analysis, the size of short ..
  14. Cesbron S, Paulin J, Tharaud M, Barny M, Brisset M. The alternative sigma factor HrpL negatively modulates the flagellar system in the phytopathogenic bacterium Erwinia amylovora under hrp-inducing conditions. FEMS Microbiol Lett. 2006;257:221-7 pubmed
    In this work we present evidence of an opposite regulation in the phytopathogenic bacteria Erwinia amylovora between the virulence-associated Type III secretion system (TTSS) and the flagellar system...
  15. Khan M, Durel C, Duffy B, Drouet D, Kellerhals M, Gessler C, et al. Development of molecular markers linked to the 'Fiesta' linkage group 7 major QTL for fire blight resistance and their application for marker-assisted selection. Genome. 2007;50:568-77 pubmed
    ..This stability and the availability of reproducible markers bracketing the QTL make this locus promising for use in MAS...
  16. Bocsanczy A, Schneider D, DeClerck G, Cartinhour S, Beer S. HopX1 in Erwinia amylovora functions as an avirulence protein in apple and is regulated by HrpL. J Bacteriol. 2012;194:553-60 pubmed publisher
    Fire blight is a devastating disease of rosaceous plants caused by the Gram-negative bacterium Erwinia amylovora. This pathogen delivers virulence proteins into host cells utilizing the type III secretion system (T3SS)...
  17. Oh C, Beer S. Molecular genetics of Erwinia amylovora involved in the development of fire blight. FEMS Microbiol Lett. 2005;253:185-92 pubmed
    The bacterial plant pathogen, Erwinia amylovora, causes the devastating disease known as fire blight in some Rosaceous plants like apple, pear, quince, raspberry and several ornamentals...
  18. Ordax M, Marco Noales E, Lopez M, Biosca E. Exopolysaccharides favor the survival of Erwinia amylovora under copper stress through different strategies. Res Microbiol. 2010;161:549-55 pubmed publisher
    b>Erwinia amylovora causes fire blight, a destructive disease of rosaceous plants very difficult to control...
  19. Lehman S, Kropinski A, Castle A, Svircev A. Complete genome of the broad-host-range Erwinia amylovora phage phiEa21-4 and its relationship to Salmonella phage felix O1. Appl Environ Microbiol. 2009;75:2139-47 pubmed publisher
    The first complete genome sequence for a myoviridal bacteriophage, PhiEa21-4, infecting Erwinia amylovora, Erwinia pyrifoliae, and Pantoea agglomerans strains has been determined...
  20. Powney R, Smits T, Sawbridge T, Frey B, Blom J, Frey J, et al. Genome sequence of an Erwinia amylovora strain with pathogenicity restricted to Rubus plants. J Bacteriol. 2011;193:785-6 pubmed publisher
    Here, we present the genome of a strain of Erwinia amylovora, the fire blight pathogen, with pathogenicity restricted to Rubus spp. Comparative genomics of ATCC BAA-2158 with E...
  21. Pusey P, Stockwell V, Rudell D. Antibiosis and acidification by Pantoea agglomerans strain E325 may contribute to suppression of Erwinia amylovora. Phytopathology. 2008;98:1136-43 pubmed publisher
    ..for fire blight of apple and pear, was originally selected through screening based on suppression of Erwinia amylovora on flower stigmas, but specific mechanisms of antagonism were unknown...
  22. Koczan J, McGrath M, Zhao Y, Sundin G. Contribution of Erwinia amylovora exopolysaccharides amylovoran and levan to biofilm formation: implications in pathogenicity. Phytopathology. 2009;99:1237-44 pubmed publisher
    b>Erwinia amylovora is a highly virulent, necrogenic, vascular pathogen of rosaceous species that produces the exopolysaccharide amylovoran, a known pathogenicity factor, and levan, a virulence factor...
  23. Venturi V, Venuti C, Devescovi G, Lucchese C, Friscina A, Degrassi G, et al. The plant pathogen Erwinia amylovora produces acyl-homoserine lactone signal molecules in vitro and in planta. FEMS Microbiol Lett. 2004;241:179-83 pubmed
    ..Given the involvement of AHLs in plant pathogenesis, we speculate that AHL-dependent quorum sensing could play an important role in the regulation of E. amylovora virulence...
  24. Rico A, Ortiz Barredo A, Ritter E, Murillo J. Genetic characterization of Erwinia amylovora strains by amplified fragment length polymorphism. J Appl Microbiol. 2004;96:302-10 pubmed
    b>Erwinia amylovora is one of the most important pathogens of pear and apple and is subject to strict quarantine regulations worldwide, although its patterns of dispersal are largely unknown. Previous attempts to fingerprint E...
  25. Edmunds A, Castiblanco L, Sundin G, Waters C. Cyclic Di-GMP modulates the disease progression of Erwinia amylovora. J Bacteriol. 2013;195:2155-65 pubmed publisher
    ..The role of c-di-GMP in the plant pathogen and causal agent of fire blight disease Erwinia amylovora has not been studied previously. Here we demonstrate that three of the five predicted DGC genes in E...
  26. Hollenhorst M, Ntai I, Badet B, Kelleher N, Walsh C. A head-to-head comparison of eneamide and epoxyamide inhibitors of glucosamine-6-phosphate synthase from the dapdiamide biosynthetic pathway. Biochemistry. 2011;50:3859-61 pubmed publisher
  27. McGhee G, Sundin G. Erwinia amylovora CRISPR elements provide new tools for evaluating strain diversity and for microbial source tracking. PLoS ONE. 2012;7:e41706 pubmed publisher
    ..We utilized a comparative sequence analysis of CRISPR arrays of the plant pathogen Erwinia amylovora to uncover previously unknown genetic diversity in this species. A total of 85 E...
  28. Iakimova E, Sobiczewski P, Michalczuk L, Węgrzynowicz Lesiak E, Mikiciński A, Woltering E. Morphological and biochemical characterization of Erwinia amylovora-induced hypersensitive cell death in apple leaves. Plant Physiol Biochem. 2013;63:292-305 pubmed publisher
    In attached apple leaves, spot-inoculated with Erwinia amylovora, the phenotypic appearance of the hypersensitive response (HR) and the participation of ethylene, reactive oxygen species (ROS) and of vacuolar processing enzyme (VPE) (a ..
  29. Calenge F, Drouet D, Denance C, van de Weg W, Brisset M, Paulin J, et al. Identification of a major QTL together with several minor additive or epistatic QTLs for resistance to fire blight in apple in two related progenies. Theor Appl Genet. 2005;111:128-35 pubmed
    Although fire blight, caused by the bacterium Erwinia amylovora, is one of the most destructive diseases of apple (Malus x domestica) worldwide, no major, qualitative gene for resistance to this disease has been identified to date in ..
  30. Zhao Y, He S, Sundin G. The Erwinia amylovora avrRpt2EA gene contributes to virulence on pear and AvrRpt2EA is recognized by Arabidopsis RPS2 when expressed in pseudomonas syringae. Mol Plant Microbe Interact. 2006;19:644-54 pubmed
    The enterobacterium Erwinia amylovora is a devastating plant pathogen causing necrotrophic fire blight disease of apple, pear, and other rosaceous plants...
  31. Burse A, Weingart H, Ullrich M. NorM, an Erwinia amylovora multidrug efflux pump involved in in vitro competition with other epiphytic bacteria. Appl Environ Microbiol. 2004;70:693-703 pubmed
    Blossoms are important sites of infection for Erwinia amylovora, the causal agent of fire blight of rosaceous plants...
  32. Wu X, Vellaichamy A, Wang D, Zamdborg L, Kelleher N, Huber S, et al. Differential lysine acetylation profiles of Erwinia amylovora strains revealed by proteomics. J Proteomics. 2013;79:60-71 pubmed publisher
    ..Here we first report the lysine acetylome of Erwinia amylovora, an enterobacterium causing serious fire blight disease of apples and pears...
  33. Kamber T, Lansdell T, Stockwell V, Ishimaru C, Smits T, Duffy B. Characterization of the biosynthetic operon for the antibacterial peptide herbicolin in Pantoea vagans biocontrol strain C9-1 and incidence in Pantoea species. Appl Environ Microbiol. 2012;78:4412-9 pubmed publisher
    Pantoea vagans C9-1 is a biocontrol strain that produces at least two antibiotics inhibiting the growth of Erwinia amylovora, the causal agent of fire blight disease of pear and apple...
  34. Pusey P, Stockwell V, Reardon C, Smits T, Duffy B. Antibiosis activity of Pantoea agglomerans biocontrol strain E325 against Erwinia amylovora on apple flower stigmas. Phytopathology. 2011;101:1234-41 pubmed publisher
    ..was previously shown in vitro to produce a unique alkaline- and phosphate-sensitive antibiotic specific to Erwinia amylovora. Antibiosis was evaluated as a mode of antagonism on flower stigmas using two antibiosis-deficient mutants...
  35. Rezzonico F, Smits T, Duffy B. Diversity, evolution, and functionality of clustered regularly interspaced short palindromic repeat (CRISPR) regions in the fire blight pathogen Erwinia amylovora. Appl Environ Microbiol. 2011;77:3819-29 pubmed publisher
    ..The aim of this work was to investigate CRISPR diversity in the highly homogeneous species Erwinia amylovora, the causal agent of fire blight...
  36. Zeng Q, McNally R, Sundin G. Global small RNA chaperone Hfq and regulatory small RNAs are important virulence regulators in Erwinia amylovora. J Bacteriol. 2013;195:1706-17 pubmed publisher
    ..In this work, we identified Hfq to be a virulence regulator in the Gram-negative fire blight pathogen Erwinia amylovora. Deletion of hfq in E...
  37. Lehman S, Kim W, Castle A, Svircev A. Duplex real-time polymerase chain reaction reveals competition between Erwinia amylovora and E. pyrifoliae on pear blossoms. Phytopathology. 2008;98:673-9 pubmed publisher
    b>Erwinia amylovora and E. pyrifoliae are the causative agents of fire blight and Asian pear blight, respectively. The pathogens are closely related, with overlapping host ranges. Data are unavailable on the current distribution of E...
  38. McGhee G, Sundin G. Evaluation of kasugamycin for fire blight management, effect on nontarget bacteria, and assessment of kasugamycin resistance potential in Erwinia amylovora. Phytopathology. 2011;101:192-204 pubmed publisher
    The emergence and spread of streptomycin-resistant strains of Erwinia amylovora in Michigan has necessitated the evaluation of new compounds effective for fire blight control...
  39. Reboutier D, Frankart C, Briand J, Biligui B, Laroche S, Rona J, et al. The HrpN(ea) harpin from Erwinia amylovora triggers differential responses on the nonhost Arabidopsis thaliana cells and on the host apple cells. Mol Plant Microbe Interact. 2007;20:94-100 pubmed
    b>Erwinia amylovora is a gram-negative necrogenic bacterium causing fire blight of the Maloideae subfamily of Rosaceae such as apple and pear...
  40. Pontais I, Treutter D, Paulin J, Brisset M. Erwinia amylovora modifies phenolic profiles of susceptible and resistant apple through its type III secretion system. Physiol Plant. 2008;132:262-71 pubmed publisher
    Fire blight is a disease affecting Maloideae caused by the necrogenic bacterium Erwinia amylovora, which requires the type III protein secretion system (TTSS) for pathogenicity...
  41. Zhao Y, Sundin G, Wang D. Construction and analysis of pathogenicity island deletion mutants of Erwinia amylovora. Can J Microbiol. 2009;55:457-64 pubmed publisher
    ..In this study, we adapted this technique to construct genomic island and large operon deletion mutants of Erwinia amylovora, including the 33.4 kb hrp-type III secretion (T3SS) pathogenicity island (PAI1) and the 15...
  42. Jensen P, Rytter J, Detwiler E, Travis J, McNellis T. Rootstock effects on gene expression patterns in apple tree scions. Plant Mol Biol. 2003;53:493-511 pubmed
    ..For example, the M.7 EMLA rootstock is semi-dwarfing and reduces the susceptibility of the scion to Erwinia amylovora, the causal agent of fire blight disease. In contrast, the M...
  43. Llop P, Cabrefiga J, Smits T, Dreo T, Barbé S, Pulawska J, et al. Erwinia amylovora novel plasmid pEI70: complete sequence, biogeography, and role in aggressiveness in the fire blight phytopathogen. PLoS ONE. 2011;6:e28651 pubmed publisher
    Comparative genomics of several strains of Erwinia amylovora, a plant pathogenic bacterium causal agent of fire blight disease, revealed that its diversity is primarily attributable to the flexible genome comprised of plasmids...
  44. Asselin J, Bonasera J, Kim J, Oh C, Beer S. Eop1 from a Rubus strain of Erwinia amylovora functions as a host-range limiting factor. Phytopathology. 2011;101:935-44 pubmed publisher
    Strains of Erwinia amylovora, the bacterium causing the disease fire blight of rosaceous plants, are separated into two groups based on host range: Spiraeoideae and Rubus strains...
  45. Baldo A, Norelli J, Farrell R, Bassett C, Aldwinckle H, Malnoy M. Identification of genes differentially expressed during interaction of resistant and susceptible apple cultivars (Malus x domestica) with Erwinia amylovora. BMC Plant Biol. 2010;10:1 pubmed publisher
    The necrogenic enterobacterium, Erwinia amylovora is the causal agent of the fire blight (FB) disease in many Rosaceae species, including apple and pear...
  46. Wang D, Korban S, Zhao Y. The Rcs phosphorelay system is essential for pathogenicity in Erwinia amylovora. Mol Plant Pathol. 2009;10:277-90 pubmed publisher
    ..In this study, we characterized the roles of the Rcs system in Erwinia amylovora, a highly virulent and necrogenic enterobacterium causing fire blight disease on rosaceous plants...
  47. Molina L, Rezzonico F, Défago G, Duffy B. Autoinduction in Erwinia amylovora: evidence of an acyl-homoserine lactone signal in the fire blight pathogen. J Bacteriol. 2005;187:3206-13 pubmed
    b>Erwinia amylovora causes fire blight disease of apple, pear, and other members of the Rosaceae. Here we present the first evidence for autoinduction in E. amylovora and a role for an N-acyl-homoserine lactone (AHL)-type signal...
  48. Wang D, Korban S, Pusey P, Zhao Y. AmyR is a novel negative regulator of amylovoran production in Erwinia amylovora. PLoS ONE. 2012;7:e45038 pubmed publisher
    In this study, we attempted to understand the role of an orphan gene amyR in Erwinia amylovora, a functionally conserved ortholog of ybjN in Escherichia coli, which has recently been characterized...
  49. Sarowar S, Zhao Y, Soria Guerra R, Ali S, Zheng D, Wang D, et al. Expression profiles of differentially regulated genes during the early stages of apple flower infection with Erwinia amylovora. J Exp Bot. 2011;62:4851-61 pubmed publisher
    To identify genes involved in the response to the fire blight pathogen Erwinia amylovora in apple (Malus×domestica), expression profiles were investigated using an apple oligo (70-mer) array representing 40, 000 genes...
  50. Jang Y, Sohn S, Wang M. The hrpN gene of Erwinia amylovora stimulates tobacco growth and enhances resistance to Botrytis cinerea. Planta. 2006;223:449-56 pubmed
    b>Erwinia amylovora is a member of the harpin proteins that induces pathogen resistance and hypersensitive cell death in plants...
  51. Wang D, Qi M, Calla B, Korban S, Clough S, Cock P, et al. Genome-wide identification of genes regulated by the Rcs phosphorelay system in Erwinia amylovora. Mol Plant Microbe Interact. 2012;25:6-17 pubmed publisher
    The exopolysaccharide amylovoran is one of the major pathogenicity factors in Erwinia amylovora, the causal agent of fire blight of apples and pears...
  52. Berry M, McGhee G, Zhao Y, Sundin G. Effect of a waaL mutation on lipopolysaccharide composition, oxidative stress survival, and virulence in Erwinia amylovora. FEMS Microbiol Lett. 2009;291:80-7 pubmed publisher
    b>Erwinia amylovora, the causal agent of fire blight, is an enterobacterial pathogen of Rosaceous plants including apple and pear. We have been studying the response of E...
  53. Burse A, Weingart H, Ullrich M. The phytoalexin-inducible multidrug efflux pump AcrAB contributes to virulence in the fire blight pathogen, Erwinia amylovora. Mol Plant Microbe Interact. 2004;17:43-54 pubmed
    The enterobacterium Erwinia amylovora causes fire blight on members of the family Rosaceae, with economic importance on apple and pear. During pathogenesis, the bacterium is exposed to a variety of plant-borne antimicrobial compounds...
  54. Rezzonico F, Duffy B. The role of luxS in the fire blight pathogen Erwinia amylovora is limited to metabolism and does not involve quorum sensing. Mol Plant Microbe Interact. 2007;20:1284-97 pubmed
    b>Erwinia amylovora is a gram-negative phytopathogen that causes fire blight of pome fruit and related members of the family Rosaceae. We sequenced the putative autoinducer-2 (AI-2) synthase gene luxS from E. amylovora...
  55. Böszörményi E, Ersek T, Fodor A, Fodor A, Földes L, Hevesi M, et al. Isolation and activity of Xenorhabdus antimicrobial compounds against the plant pathogens Erwinia amylovora and Phytophthora nicotianae. J Appl Microbiol. 2009;107:746-59 pubmed publisher
    ..This study evaluated antibiotics produced by EPB for their potential to control plant pathogenic bacteria and oomycetes...
  56. Smits T, Rezzonico F, Kamber T, Blom J, Goesmann A, Frey J, et al. Complete genome sequence of the fire blight pathogen Erwinia amylovora CFBP 1430 and comparison to other Erwinia spp. Mol Plant Microbe Interact. 2010;23:384-93 pubmed publisher
    Fire blight, caused by the enterobacterium Erwinia amylovora, is a devastating disease of rosaceous plants that has global economic importance for apple and pear production and trade. The complete genome of E...
  57. Smits T, Duffy B. Genomics of iron acquisition in the plant pathogen Erwinia amylovora: insights in the biosynthetic pathway of the siderophore desferrioxamine E. Arch Microbiol. 2011;193:693-9 pubmed publisher
    ..pathway for desferrioxamine E critical for iron acquisition in the enterobacterial fire blight pathogen Erwinia amylovora. Evidence for each of the individual steps and the role of desferrioxamine E biosynthesis in pathogen ..
  58. Rico A, Führer M, Ortiz Barredo A, Murillo J. Polymerase chain reaction fingerprinting of Erwinia amylovora has a limited phylogenetic value but allows the design of highly specific molecular markers. Phytopathology. 2008;98:260-9 pubmed publisher
    b>Erwinia amylovora, the causal agent of fire blight, is genetically very homogeneous, and current methodologies provide insufficient or contradictory information about the probable dispersal routes of the pathogen...
  59. Bocsanczy A, Nissinen R, Oh C, Beer S. HrpN of Erwinia amylovora functions in the translocation of DspA/E into plant cells. Mol Plant Pathol. 2008;9:425-34 pubmed publisher
    ..The T3SS of Erwinia amylovora, which causes fire blight of pear, apple and other rosaceous plants, secretes DspA/E, which is an ..
  60. Ordax M, Marco Noales E, Lopez M, Biosca E. Survival strategy of Erwinia amylovora against copper: induction of the viable-but-nonculturable state. Appl Environ Microbiol. 2006;72:3482-8 pubmed
    ..used to control plant-pathogenic bacteria, have traditionally been employed against fire blight, caused by Erwinia amylovora. However, recent studies have shown that some phytopathogenic bacteria enter into the viable-but-..
  61. Zhao Y, Blumer S, Sundin G. Identification of Erwinia amylovora genes induced during infection of immature pear tissue. J Bacteriol. 2005;187:8088-103 pubmed
    The enterobacterium Erwinia amylovora is a devastating plant pathogen causing necrotrophic fire blight disease of apple, pear, and other rosaceous plants...
  62. Rezzonico F, Braun Kiewnick A, Mann R, Rodoni B, Goesmann A, Duffy B, et al. Lipopolysaccharide biosynthesis genes discriminate between Rubus- and Spiraeoideae-infective genotypes of Erwinia amylovora. Mol Plant Pathol. 2012;13:975-84 pubmed publisher
    ..cluster between the Rubus-infecting strain ATCC BAA-2158 and the Spiraeoideae-infecting strain CFBP 1430 of Erwinia amylovora. These differences corroborate rpoB-based phylogenetic clustering of E...
  63. Goyer C, Ullrich M. Identification of low-temperature-regulated genes in the fire blight pathogen Erwinia amylovora. Can J Microbiol. 2006;52:468-75 pubmed
    ..Loci from the fire blight pathogen Erwinia amylovora (Burrill) induced at 18 degrees C were identified using the miniTn5 transposon that contains the ..
  64. Stockwell V, Johnson K, Sugar D, Loper J. Mechanistically compatible mixtures of bacterial antagonists improve biological control of fire blight of pear. Phytopathology. 2011;101:113-23 pubmed publisher
    ..Mixtures composed of mechanistically compatible strains of biological control agents can suppress disease more effectively than individual biological control agents...
  65. Tucker A, Escalante Semerena J. Biologically active isoforms of CobB sirtuin deacetylase in Salmonella enterica and Erwinia amylovora. J Bacteriol. 2010;192:6200-8 pubmed publisher
    ..common within the family Enterobacteriaceae, but species of the genus Erwinia (including the plant pathogen Erwinia amylovora) encode only the CobB(L) isoform. The CobB(L) isoform from E. amylovora restored growth of as S...
  66. Smits T, Rezzonico F, Duffy B. Evolutionary insights from Erwinia amylovora genomics. J Biotechnol. 2011;155:34-9 pubmed publisher
    ..A hypothesis on the evolution of virulence factors in the plant pathogen Erwinia amylovora, the causative agent of fire blight, was generated using comparative genomics with the genomes E...
  67. Dawlaty J, Zhang X, Fischbach M, Clardy J. Dapdiamides, tripeptide antibiotics formed by unconventional amide ligases. J Nat Prod. 2010;73:441-6 pubmed publisher
    ..of a genomic DNA library from Pantoea agglomerans strain CU0119 and screening against the plant pathogen Erwinia amylovora yielded a new family of antibiotics, dapdiamides A-E (1-5)...
  68. Sammer U, Völksch B, Möllmann U, Schmidtke M, Spiteller P, Spiteller M, et al. 2-amino-3-(oxirane-2,3-dicarboxamido)-propanoyl-valine, an effective peptide antibiotic from the epiphyte Pantoea agglomerans 48b/90. Appl Environ Microbiol. 2009;75:7710-7 pubmed publisher
    ..which has been isolated from soybean leaves, belongs to the Enterobacteriaceae, as does the plant pathogen Erwinia amylovora, which causes fire blight on rosaceous plants such as apples and leads to severe economic losses. Since P...
  69. Wang D, Korban S, Pusey P, Zhao Y. Characterization of the RcsC sensor kinase from Erwinia amylovora and other Enterobacteria. Phytopathology. 2011;101:710-7 pubmed publisher
    ..We have previously demonstrated that, although the Erwinia amylovora rcsC mutant produces more amylovoran than the wild-type (WT) strain in vitro, the mutant remains ..