Identification of Cbp1, a c-di-GMP Binding Chemoreceptor in Azorhizobium caulinodans ORS571 Involved in Chemotaxis and Nodulation of the Host Plant
Sun, Y; Xie, ZH; Sui, F; Liu, XL; Cheng, WZ
发表期刊FRONTIERS IN MICROBIOLOGY
ISSN1664-302X
2019-04-02
卷号10页码:638
关键词c-di-GMP PilZ domain chemoreceptor chemotaxis nodulation
研究领域Microbiology
DOI10.3389/fmicb.2019.00638
产权排序[Sun, Yu; Xie, Zhihong; Sui, Fu; Liu, Xiaolin] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Biol & Bioresource Utilizat, Yantai, Peoples R China; [Sun, Yu; Sui, Fu; Liu, Xiaolin] Univ Chinese Acad Sci, Coll Resources & Environm, Beijing, Peoples R China; [Xie, Zhihong] Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao, Shandong, Peoples R China; [Cheng, Wuzeng] Shandong Huibang Bohai Agr Dev Ltd Co, Dongying, Peoples R China
作者部门海岸带生物学与生物资源保护实验室
英文摘要Cbp1, a chemoreceptor containing a PilZ domain was identified in Azorhizobium caulinodans ORS571, a nitrogen-fixing free-living soil bacterium that induces nodule formation in both the roots and stems of the host legume Sesbania rostrata. Chemoreceptors are responsible for sensing signals in the chemotaxis pathway, which guides motile bacteria to beneficial niches and plays an important role in the establishment of rhizobia-legume symbiosis. PilZ domain proteins are known to bind the second messenger c-di-GMP, an important regulator of motility, biofilm formation and virulence. Cbp1 was shown to bind c-di-GMP through the conserved RxxxR motif of its PilZ domain. A mutant strain carrying a cbp1 deletion was impaired in chemotaxis, a feature that could be restored by genetic complementation. Compared with the wild type strain, the Delta cbp1 mutant displayed enhanced aggregation and biofilm formation. The Delta cbp1 mutant induced functional nodules when inoculated individually. However, the Delta cbp1 mutant was less competitive than the wild type in competitive root colonization and nodulation. These data are in agreement with the hypothesis that the c-di-GMP binding chemoreceptor Cbp1 in A. caulinodans is involved in chemotaxis and nodulation.
文章类型Article
资助机构NSFC-Shandong Joint Fund Key Projects [U1806206] ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China [31570063, 31870020] ; Mechanisms of Marginal Land Productivity Expansion and Technologies of Storing Grain in Land [KFZD-SW-112] ; Shandong Key Research and Development Program [2017GSF17129] ; Shandong Key Scientific and Technological Innovation Program [2017CXGC0303]
收录类别SCI
语种英语
关键词[WOS]PILZ DOMAIN PROTEINS ; CYCLIC DIGUANYLATE ; BACTERIAL CHEMOTAXIS ; SIGNAL-TRANSDUCTION ; ALLOSTERIC CONTROL ; STRUCTURAL BASIS ; RECEPTOR ; PHOSPHODIESTERASE ; AGGREGATION ; MECHANISM
研究领域[WOS]Microbiology
WOS记录号WOS:000463046600001
引用统计
被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/24961
专题海岸带生物学与生物资源利用重点实验室_海岸带生物学与生物资源保护实验室
中国科学院烟台海岸带研究所
作者单位1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Biol & Bioresource Utilizat, Yantai, Peoples R China;
2.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing, Peoples R China;
3.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao, Shandong, Peoples R China;
4.Shandong Huibang Bohai Agr Dev Ltd Co, Dongying, Peoples R China
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Sun, Y,Xie, ZH,Sui, F,et al. Identification of Cbp1, a c-di-GMP Binding Chemoreceptor in Azorhizobium caulinodans ORS571 Involved in Chemotaxis and Nodulation of the Host Plant[J]. FRONTIERS IN MICROBIOLOGY,2019,10:638.
APA Sun, Y,Xie, ZH,Sui, F,Liu, XL,&Cheng, WZ.(2019).Identification of Cbp1, a c-di-GMP Binding Chemoreceptor in Azorhizobium caulinodans ORS571 Involved in Chemotaxis and Nodulation of the Host Plant.FRONTIERS IN MICROBIOLOGY,10,638.
MLA Sun, Y,et al."Identification of Cbp1, a c-di-GMP Binding Chemoreceptor in Azorhizobium caulinodans ORS571 Involved in Chemotaxis and Nodulation of the Host Plant".FRONTIERS IN MICROBIOLOGY 10(2019):638.
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