期刊
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
卷 61, 期 -, 页码 2582-2588出版社
MICROBIOLOGY SOC
DOI: 10.1099/ijs.0.026484-0
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资金
- foundation of the State Key Basic Research and Development Plan of China [2006CB100206]
- National Program for Basic S & T Platform Construction [2005DKA21201-10]
- National Natural Science Foundation of China [30670001, 30400001]
- IPN, Mexico [SIP20090179, SIP20100067]
Four bacterial strains isolated from root nodules of Phaseolus vulgaris, Mimosa pudica and Indigofera spicata plants grown in the Yunnan province of China were identified as a lineage within the genus Rhizobium according to the analysis of 16S rRNA gene sequences, sharing most similarity with Rhizobium Iusitanum P1-7(T) (99.1 % sequence similarity) and Rhizobium rhizogenes IAM 13570(T) (99.0 %). These strains also formed a distinctive group from the reference strains for defined species of the genus Rhizobium in a polyphasic approach, including the phylogenetic analyses of the 16S rRNA gene and housekeeping genes (recA, atpD, glnII), DNA DNA hybridization, BOX-PCR fingerprinting, phenotypic characterization, SOS-PAGE of whole-cell proteins, and cellular fatty acid profiles. All the data obtained in this study suggested that these strains represent a novel species of the genus Rhizobium, for which the name Rhizobium vallis sp. nov. is proposed. The DNA G +C content (mol%) of this species varied between 60.9 and 61.2 (T-m). The type strain of R. vallis sp. nov. is CCBAU 65647(T) (=LMG 25295(T) =HAMBI 3073(T)), which has a DNA G+C content of 60.9 mol% and forms effective nodules on Phaseolus vulgaris.
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