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Influence of amylovoran production on virulence of Erwinia amylovora and a different amylovoran structure in E-amylovora isolates from Rubus

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Abstract
The amylovoran structures of five Erwinia amylovora isolates from Malaceae sp. and four isolates from Rubus sp. host plants were fully established, mainly by NMR. The structural data on one E. amylovora isolate from a Malaceae sp. host, which had been previously suggested by mass and NMR (Nimtz et al., 1996), were completed. E. amylovora strains infective on Malaceae sp. host plants had an amylovoran composed of pentasaccharide and 30-40% hexasaccharide repeating-substructures, whereas amylovoran from E. amylovora isolates from Rubus sp. host plants had only the pentasaccharide substructures. On the other hand, the exopolysaccharide (EPS) production differed in wild-type E. amylovora strains. Data on in vitro amylovoran production per cell could account for the differences in aggressiveness found in E. amylovora strains, as deduced from a pilot test with highly, moderately, and weakly aggressive strains. This correlation was confirmed with several other wild-type E. amylovora strains from different origin.
Keywords
electrospray mass spectrometry, artificial inoculation, fire blight, pathogenicity, EXTRACELLULAR POLYSACCHARIDE EPS, MUTANTS, EXOPOLYSACCHARIDE, IDENTIFICATION, PATHOGENICITY, NMR

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Citation

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Chicago
Maes, Martine, Kristien Orye, Svetoslav Bobev, Bart Devreese, Jozef Van Beeumen, André De Bruyn, Roger Busson, Piet Herdewijn, Kris Morreel, and Eric Messens. 2001. “Influence of Amylovoran Production on Virulence of Erwinia Amylovora and a Different Amylovoran Structure in E-amylovora Isolates from Rubus.” European Journal of Plant Pathology 107 (8): 839–844.
APA
Maes, Martine, Orye, K., Bobev, S., Devreese, B., Van Beeumen, J., De Bruyn, A., Busson, R., et al. (2001). Influence of amylovoran production on virulence of Erwinia amylovora and a different amylovoran structure in E-amylovora isolates from Rubus. EUROPEAN JOURNAL OF PLANT PATHOLOGY, 107(8), 839–844.
Vancouver
1.
Maes M, Orye K, Bobev S, Devreese B, Van Beeumen J, De Bruyn A, et al. Influence of amylovoran production on virulence of Erwinia amylovora and a different amylovoran structure in E-amylovora isolates from Rubus. EUROPEAN JOURNAL OF PLANT PATHOLOGY. 2001;107(8):839–44.
MLA
Maes, Martine, Kristien Orye, Svetoslav Bobev, et al. “Influence of Amylovoran Production on Virulence of Erwinia Amylovora and a Different Amylovoran Structure in E-amylovora Isolates from Rubus.” EUROPEAN JOURNAL OF PLANT PATHOLOGY 107.8 (2001): 839–844. Print.
@article{138172,
  abstract     = {The amylovoran structures of five Erwinia amylovora isolates from Malaceae sp. and four isolates from Rubus sp. host plants were fully established, mainly by NMR. The structural data on one E. amylovora isolate from a Malaceae sp. host, which had been previously suggested by mass and NMR (Nimtz et al., 1996), were completed. E. amylovora strains infective on Malaceae sp. host plants had an amylovoran composed of pentasaccharide and 30-40\% hexasaccharide repeating-substructures, whereas amylovoran from E. amylovora isolates from Rubus sp. host plants had only the pentasaccharide substructures. On the other hand, the exopolysaccharide (EPS) production differed in wild-type E. amylovora strains. Data on in vitro amylovoran production per cell could account for the differences in aggressiveness found in E. amylovora strains, as deduced from a pilot test with highly, moderately, and weakly aggressive strains. This correlation was confirmed with several other wild-type E. amylovora strains from different origin.},
  author       = {Maes, Martine and Orye, Kristien and Bobev, Svetoslav and Devreese, Bart and Van Beeumen, Jozef and De Bruyn, Andr{\'e} and Busson, Roger and Herdewijn, Piet and Morreel, Kris and Messens, Eric},
  issn         = {0929-1873},
  journal      = {EUROPEAN JOURNAL OF PLANT PATHOLOGY},
  language     = {eng},
  number       = {8},
  pages        = {839--844},
  title        = {Influence of amylovoran production on virulence of Erwinia amylovora and a different amylovoran structure in E-amylovora isolates from Rubus},
  url          = {http://dx.doi.org/10.1023/A:1012215201253},
  volume       = {107},
  year         = {2001},
}

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