Journal
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
Volume 62, Issue -, Pages 1809-1813Publisher
MICROBIOLOGY SOC
DOI: 10.1099/ijs.0.033670-0
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Funding
- National Key Sciences and Technology Program for Water Solutions [2012ZX07102-003]
- NSFC [30970100, 31160376]
- ZhengZhou Tobacco Research Institute [122009CZ0420]
- Yunnan Corporation [2011YN03]
- CNTC
- Yunnan University [2009C16Q]
- Special Fund of Green Agricultural Biotechnology Products of National Development and Reform Commission
- Chinese Academy of Sciences
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A novel Gram-negative strain, designated M-SX103(T), was isolated from a fresh leaf of Nicotiana tabacum Linn. collected at Yuxi City, Yunnan province, China, and subjected to a polyphasic taxonomic study. Growth occurred at 10-40 degrees C, at pH 6.0-9.0 and with 0-3% (w/v) NaCl. The predominant isoprenoid quinone was MK-7. The major cellular fatty acids of strain M-SX103T were iso-C-15:0, iso-C-17:0 3-OH and summed feature 3 (C-16:1 omega 7c and/or C-16:1 omega 6c). The G+C content of the genomic DNA was 40.6 mol%. Phylogenetic analysis based on 16S rRNA gene sequences showed that the isolate belongs to the genus Sphingobacterium, sharing 95.4-89.7% sequence similarity with type strains of members of the genus Sphingobacterium; it was most closely related to Sphingobacterium composti T5-12(T). On the basis of the taxonomic evidence, a novel species, Sphingobacterium nematocida sp. nov., is proposed. The type strain is M-SX103(T) (=JCM 17339(T)=CCTCC AB 2010390(T)).
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