Genetic divergence among Bradyrhizobium strains nodulating wild and cultivated Kummerowia spp. in China

doi:10.1016/j.syapm.2018.10.003

	Genetic divergence among Bradyrhizobium strains nodulating wild and cultivated Kummerowia spp. in China
	Ji, Zhaojun 1,2,3,4; Liu, Tianyan 2,3,4; Zhang, Jixing 1; Yan, Hui 2,3,4; Wang, Entao 5; Cui, Qingguo 6; Chen, Wenxin 2,3,4; Chen, Wenfeng 2,3,4
	2019
发表期刊	SYSTEMATIC AND APPLIED MICROBIOLOGY
ISSN	0723-2020
卷号	42 期号:2 页码:223-231
摘要	Distribution of rhizobial species is affected by geographical isolation and selected by leguminous hosts, however, little is known about the molecular evolution of rhizobia nodulating the same legume in different eco-environments. In present study, the microevolution of Bradyrhizobium associated with the leguminous grass Kummerowia grown in exurban areas and cultivated in urban areas in China was investigated. Total 14 genospecies, including seven new groups, were identified based on a concatenated sequence analysis of taxonomic markers (SMc00019, truA and thrA) for 94 representative strains. Results demonstrated that lower levels of nucleotide diversity were found in the strains isolated from urban areas compared with those isolated from exurban areas, based on the evolutional analyses of three housekeeping genes (atpD, glnII and recA), two symbiosis-related genes (nodC and nifH), and the taxonomic markers. Moreover, compared with urban areas, gene exchange and recombination occurred more frequently among the genospecies isolated from exurban areas, regardless of the geographical distribution. Finally, the evolutionary lineage of Bradyrhizobium strains isolated from urban areas was independent of that of the strains isolated from exurban areas. In summary, the evolutionary history of Kummerowia bradyrhizobia may have been gradually segregated to different evolutionary lineages, irrespective of distinct biogeography. (C) 2018 Elsevier GmbH. All rights reserved.
关键词	Bradyrhizobium Kummerowia Microevolution Phylogeny Recombination Urban segregation
学科领域	Biotechnology & Applied Microbiology ; Microbiology
DOI	10.1016/j.syapm.2018.10.003
收录类别	SCI
语种	英语
WOS关键词	SP NOV. ; ROOT-NODULES ; DIVERSITY ; RHIZOBIA ; FLAVONOIDS ; ASTRAGALUS ; HEDYSARUM ; SAMPLE
WOS研究方向	Biotechnology & Applied Microbiology ; Microbiology
WOS记录号	WOS:000460152500013
出版者	ELSEVIER GMBH
文献子类	Article
出版地	MUNICH
EISSN	1618-0984
资助机构	National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31500001, 31860001, 31770039] ; Natural Science Foundation of Inner Mongolia Autonomous Region of China [2017MS(LH)0306]
作者邮箱	chenwf@cau.edu.cn
引用统计	被引频次：4[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ibcas.ac.cn/handle/2S10CLM1/19439
专题	植被与环境变化国家重点实验室
作者单位	1.Inner Mongolia Univ Nationalities, Coll Life Sci, Tongliao 028042, Inner Mongolia, Peoples R China 2.Inner Mongolia Univ Nationalities, Horqin Plant Stress Biol Res Inst, Tongliao 028042, Inner Mongolia, Peoples R China 3.State Key Lab Agrobiotechnol, Beijing 100193, Peoples R China 4.China Agr Univ, Coll Biol Sci, Beijing 100193, Peoples R China 5.China Agr Univ, Rhizobium Res Ctr, Beijing 100193, Peoples R China 6.Inst Politecn Nacl, Escuela Nacl Ciencias Biol, Dept Microbiol, Mexico City 11340, DF, Mexico 7.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China
推荐引用方式 GB/T 7714	Ji, Zhaojun,Liu, Tianyan,Zhang, Jixing,et al. Genetic divergence among Bradyrhizobium strains nodulating wild and cultivated Kummerowia spp. in China[J]. SYSTEMATIC AND APPLIED MICROBIOLOGY,2019,42(2):223-231.
APA	Ji, Zhaojun.,Liu, Tianyan.,Zhang, Jixing.,Yan, Hui.,Wang, Entao.,...&Chen, Wenfeng.(2019).Genetic divergence among Bradyrhizobium strains nodulating wild and cultivated Kummerowia spp. in China.SYSTEMATIC AND APPLIED MICROBIOLOGY,42(2),223-231.
MLA	Ji, Zhaojun,et al."Genetic divergence among Bradyrhizobium strains nodulating wild and cultivated Kummerowia spp. in China".SYSTEMATIC AND APPLIED MICROBIOLOGY 42.2(2019):223-231.

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