Insights into the distinct cooperation between the transcription factor Clp and LeDSF signaling in the regulation of antifungal factors in Lysobacter enzymogenes OH11
文献类型： 外文期刊
作者： Xu, Gaoge 1 ; Shi, Xiaofeng 1 ; Wang, Ruping 1 ; Xu, Huiyong 1 ; Du, Liangcheng 4 ; Chou, Shan-Ho 5 ; Liu, Hongxia 1 ; Li 1 ;
作者机构： 1.Nanjing Agr Univ, Coll Plant Protect, Nanjing 210095, Jiangsu, Peoples R China
2.Nanjing Agr Univ, Minist Educ, Key Lab Integrated Management Crop Dis & Pests, Nanjing, Jiangsu, Peoples R China
3.Jiangsu Acad Agr Sci, Inst Plant Protect, Nanjing 210014, Jiangsu, Peoples R China
4.Univ Nebraska Lincoln, Dept Chem, Lincoln, NE 68588 USA
5.Natl Chung Hsing Univ, Inst Biochem, Taichung, Taiwan
6.Natl Chung Hsing Univ, NCHU Agr Biotechnol Ctr, Taichung, Taiwan
关键词： Lysobacter enzymogenes; LeDSF; Clp; Signaling; Biocontrol
期刊名称：BIOLOGICAL CONTROL （ 影响因子：3.687； 五年影响因子：3.962 ）
ISSN： 1049-9644
年卷期： 2018 年 120 卷
页码：
收录情况： SCI
摘要： The DSF (Diffusible Signal Factor) signaling and transcription factor Clp play key roles in regulating a diverse range of physiology in the phytopathogen Xanthomonas campestris pv. campestris. However, their functional relationship in other bacteria is little addressed. Here, we presented evidences to show that there are distinct differences in signaling connection between the Clp and LeDSF pathways in Lysobacter enzymogenes, which is a Gram-negative bacterium with remarkable antifungal activity. We found that Clp was a bona fide regulator downstream of the LeDSF signaling in modulating HSAF biosynthesis. However, regulations of Clp on the other two processes, namely, the extracellular protease and chitinase productions, as well as twitching motility, were found to be independent of the LeDSF signaling. These distinct behaviors of Clp were further validated by a comprehensive transcriptomic analysis. Taken together, the present study expands our understanding on the connection between the DSF signaling and Clp signaling pathways in different bacteria. (C) 2016 Elsevier Inc. All rights reserved.
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