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题名: N-(3-oxo-hexanoyl)-homoserine lactone has a critical contribution to the quorum-sensing-dependent regulation in phytopathogen Pseudomonas syringae pv. tabaci 11528
作者: Cheng, Feifei; Ma, Anzhou; Zhuang, Xuliang; He, Xiaojia; Zhuang, Guoqiang
刊名: FEMS MICROBIOLOGY LETTERS
出版日期: 2016-12
卷号: 363, 期号:23
关键词: quorum sensing ; Pseudomonas syringae pv. tabaci 11528 ; virulence ; N-(3-oxo-hexanoyl)-homoserine lactone ; motility
DOI: 10.1093/femsle/fnw265
部门归属: 中国科学院环境生物技术重点实验室
英文摘要: The phytopathogen Pseudomonas syringae pv. tabaci 11528 (P. syringae 11528), causing wild-fire disease in soybean and tobacco plants, processes PsyI-PsyR quorum-sensing (QS) system, in which PsyI is the N-(3-oxo-hexanoyl)-homoserine lactone (3OC6-HSL) synthase. In comparison to P. syringae 11528 AHL-deficient mutant, 845 3OC6-HSL-dependent genes were identified using RNA sequencing (RNA-seq) in the AHL-deficient mutant grown with exogenous 3OC6-HSL in the transition from the exponential to the stationary phase, and many of them were associated with virulence, which were negatively regulated. The gene ontology and KEGG pathway enrichment analysis of those genes presented that the most pronounced regulation was involved in bacterial motility. Moreover, similar expression profiles of genes during growth phases were observed in both the wild type and the AHL-deficient mutant with exogenous 3OC6-HSL compared with the AHL-deficient mutant. These findings imply that 3OC6-HSL has a critical contribution to the QS-dependent regulation on gene expression, and 3OC6-HSL-dependent regulation may play a significant role in plant infection.
收录类别: SCI
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内容类型: 期刊论文
URI标识: http://ir.rcees.ac.cn/handle/311016/36137
Appears in Collections:中国科学院环境生物技术重点实验室_期刊论文

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