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Genotypic alteration and competitive nodulation of Mesorhizobium muleiense against exotic chickpea rhizobia in alkaline soils

文献类型： 外文期刊

作者： Zhang, Jun Jie 1 ; Yu, Tao 1 ; Lou, Kai 3 ; Mao, Pei Hong 4 ; Wang, En Tao 1 ; Chen, Wen Feng 1 ; Chen, Wen Xin 1 ;

作者机构： 1.China Agr Univ, State Key Lab Agrobiotechnol, Beijing 100193, Peoples R China

2.China Agr Univ, Coll Biol Sci, Beijing 100193, Peoples R China

3.Xinjiang Acad Agr Sci, Inst Microbiol, Urumqi 830091, Xinjiang, Peoples R China

4.Xinjiang Univ, Coll Phys Sci & Technol, Lab Ion Beam Biotechnol, Urumqi 830008, Xinjiang, Peoples R China

5.Inst Politecn Nacl, Escuela Nacl Ciencias Biol, Dept Microbiol, Mexico City 11340, DF, Mexico

关键词： Mesorhizobium muleiense;Chickpea;Competitive nodulation;Mesorhizobium ciceri;Mesorhizobium mediterraneum;Genotype

期刊名称：SYSTEMATIC AND APPLIED MICROBIOLOGY （ 影响因子：4.022； 五年影响因子：4.396 ）

ISSN：

年卷期：

页码：

收录情况： SCI

摘要： Mesorhizobium muleiense, Mesorhizobium mediterraneum and Mesorhizobium ciceri are chickpea (Cicer arietinum L) rhizobia that share a high similarity of the symbiotic genes nodC and nifH, but they have different geographic distributions. M. muleiense has been isolated and found only in alkaline soils of Xinjiang, China, whereas the other two strains have been found in the Mediterranean and India. To investigate the species stability of M. muleiense during natural evolution and its capability of competitive nodulation against the other two exotic species, re-sampling of nodules in the field and competition experiments between the three species were conducted. The results showed that the predominant microsymbiont associated with chickpea grown in Xinjiang was still M. muleiense, but the predominant genotypes of M. muleiense had changed significantly during the four years since a previous survey. The data also showed that M. mediterraneum and M. ciceri were more competitive than the residential strain of M. muleiense CCBAU 83963(T) in sterilized vermiculite or soils from Xinjiang. However, in non-sterilized soils, M. muleiense was the predominant nodule occupier. These results indicated that natural or adapting evolution of M. muleiense was occurring in fields subjected to changing environmental factors. In addition, the biogeography and symbiotic associations of rhizobia with their host legumes were also influenced by biological factors in the soil, such as indigenous rhizobia and other organisms. (C) 2014 Elsevier GmbH. All rights reserved.

  • 相关文献

[1]Distinctive Mesorhizobium populations associated with Cicer arietinum L. in alkaline soils of Xinjiang, China. Zhang, Jun Jie,Wang, En Tao,Tian, Chang Fu,Sui, Xin Hua,Chen, Wen Feng,Chen, Wen Xin,Zhang, Jun Jie,Wang, En Tao,Tian, Chang Fu,Sui, Xin Hua,Chen, Wen Feng,Chen, Wen Xin,Lou, Kai,Jin, Xiang,Mao, Pei Hong,Wang, En Tao. 2012

[2]Molecular cloning and function analysis of the stay green gene in rice. Jiang, Huawu,Li, Meiru,Liang, Naiting,Yan, Hongbo,Wei, Yubo,Xu, Xinlan,Liu, Jian,Xu, Zhifang,Chen, Fan,Wu, Guojiang.

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