IB-CAS  > 植被与环境变化国家重点实验室
Competition between rhizobia under different environmental conditions affects the nodulation of a legume
Ji, Zhao Jun1,2,3; Yan, Hui1,2,3; Cui, Qing Guo5; Wang, En Tao1,2,3,4; Chen, Wen Feng1,2,3; Chen, Wen Xin1,2,3
2017
Source PublicationSYSTEMATIC AND APPLIED MICROBIOLOGY
ISSN0723-2020
Volume40Issue:2Pages:114-119
AbstractMutualistic symbiosis and nitrogen fixation of legume rhizobia play a key role in ecological environments. Although many different rhizobial species can form nodules with a specific legume, there is often a dominant microsymbiont, which has the highest nodule occupancy rates, and they are often known as the most favorable rhizobia. Shifts in the most favorable rhizobia for a legume in different geographical regions or soil types are not well understood. Therefore, in order to explore the shift model, an experiment was designed using successive inoculations of rhizobia on one legume. The plants were grown in either sterile vermiculite or a sandy soil. Results showed that, depending on the environment, a legume could select its preferential rhizobial partner in order to establish symbiosis. For perennial legumes, nodulation is a continuous and sequential process. In this study, when the most favorable rhizobial strain was available to infect the plant first, it was dominant in the nodules, regardless of the existence of other rhizobial strains in the rhizosphere. Other rhizobial strains had an opportunity to establish symbiosis with the plant when the most favorable rhizobial strain was not present in the rhizosphere. Nodule occupancy rates of the most favorable rhizobial strain depended on the competitiveness of other rhizobial strains in the rhizosphere and the environmental adaptability of the favorable rhizobial strain (in this case, to mild vermiculite or hostile sandy soil). To produce high nodulation and efficient nitrogen fixation, the most favorable rhizobial strain should be selected and inoculated into the rhizosphere of legume plants under optimum environmental conditions. (C) 2016 Elsevier GmbH. All rights reserved.
KeywordFavorable rhizobial strain Legume Caragana Competitive nodulation Environment
Subject AreaFood Science & Technology ; Toxicology
DOI10.3390/toxins9020048
Indexed BySCI
Language英语
WOS KeywordGENETIC DIVERSITY ; CARAGANA SPP. ; BRADYRHIZOBIUM-JAPONICUM ; ALKALINE SOILS ; GLYCINE-MAX ; SP NOV. ; FIXATION ; CHICKPEA ; NORTH ; MICROSYMBIONTS
WOS IDWOS:000395450500006
PublisherELSEVIER GMBH
SubtypeArticle
Publication PlaceMUNICH
EISSN1618-0984
Funding OrganizationNational Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31270052, 31500001]
Corresponding Author Emailchenwf@cau.edu.cn
OAGreen Published, gold, Green Submitted
Citation statistics
Cited Times:39[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ibcas.ac.cn/handle/2S10CLM1/21985
Collection植被与环境变化国家重点实验室
Affiliation1.Inner Mongolia Univ Nationalities, Coll Life Sci, Tongliao 028042, Inner Mongolia, Peoples R China
2.State Key Lab Agrobiotechnol, Beijing 100193, Peoples R China
3.China Agr Univ, Coll Biol Sci, Beijing 100193, Peoples R China
4.China Agr Univ, Rhizobium Res Ctr, Beijing 100193, Peoples R China
5.Inst Politecn Nacl, Escuela Nacl Ciencias Biol, Dept Microbiol, Mexico City 11340, DF, Mexico
6.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China
Recommended Citation
GB/T 7714
Ji, Zhao Jun,Yan, Hui,Cui, Qing Guo,et al. Competition between rhizobia under different environmental conditions affects the nodulation of a legume[J]. SYSTEMATIC AND APPLIED MICROBIOLOGY,2017,40(2):114-119.
APA Ji, Zhao Jun,Yan, Hui,Cui, Qing Guo,Wang, En Tao,Chen, Wen Feng,&Chen, Wen Xin.(2017).Competition between rhizobia under different environmental conditions affects the nodulation of a legume.SYSTEMATIC AND APPLIED MICROBIOLOGY,40(2),114-119.
MLA Ji, Zhao Jun,et al."Competition between rhizobia under different environmental conditions affects the nodulation of a legume".SYSTEMATIC AND APPLIED MICROBIOLOGY 40.2(2017):114-119.
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