| 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
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| 发表期刊 | FRONTIERS IN MICROBIOLOGY
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| ISSN | 1664-302X |
| 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 |
| DOI | 10.3389/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 | |
| 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 |
| 推荐引用方式 GB/T 7714 | 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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