期刊
SYSTEMATIC AND APPLIED MICROBIOLOGY
卷 41, 期 5, 页码 437-443出版社
ELSEVIER GMBH
DOI: 10.1016/j.syapm.2018.03.006
关键词
Symbiotic; Bradyrhizobia; T3SS; Peanut; Genetic
资金
- National Natural Science Foundation of China [31570006, 31000002]
- National Natural Science Foundation of Guangdong Province [2015A030313380]
The distribution of rhcRST and rhcJ-C1 fragments located in different loci of the type III secretion system (T3SS) gene cluster in the peanut-nodulating bradyrhizobia isolated from Guangdong Province, China was investigated by PCR-based sequencing. T3SS was detected in approximately one-third of the peanut bradyrhizobial strains and the T3SS-harboring strains belonging to different Bradyrhizobium genomic species. Diverse T3SS groups corresponding to different symbiotic gene types were defined among the 23 T3SS-harboring strains. The same or similar T3SS genes were detected in different genospecies, indicating that interspecies horizontal transfer of symbiotic genes had occurred in the Bradyrhizobium genus. (C) 2018 Published by Elsevier GmbH.
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