The Role of Ethylene Production in Virulence of Pseudomonas syringae pvs. glycinea and phaseolicola.
作者： Helge Weingart , Henriette Ullrich , Klaus Geider , Beate Völksch
DOI: 10.1094/PHYTO.2001.91.5.511
关键词:
摘要: ABSTRACT The importance of ethylene production for virulence Pseudomonas syringae pvs. glycinea and phaseolicola was assayed by comparing bacterial multiplication symptom development in bean soybean plants inoculated with ethylene-negative (efe) mutants wild-type strains. efe pv. were significantly reduced their ability to grow planta. However, the degree reduction strain-dependent. Population sizes mutant 16/83-E1 that did not produce phototoxin coronatine 10- 15-fold lower than those strain on bean, produced very weak symptoms compared strain. coronatine-producing 7a/90-E1 reached fourfold twofold population respectively, caused disease typical Experiments ethylene-insensitive soybeans confirmed these results. strains same extent as ethylene-susceptible soybeans. In contrast, affected disruption gene.
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