Journal
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
Volume 64, Issue -, Pages 248-253Publisher
MICROBIOLOGY SOC
DOI: 10.1099/ijs.0.051706-0
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Funding
- Ministry of Science and Technology of China [2012AA063503, 2013CB733903, 2010CB126504]
- Important National Science & Technology Specific Projects [2013ZX08012-001, 2013ZX08009-003]
- National Natural Science Foundation of China [31170105, 30925002, 31230004]
- Special Fund for Agro-scientific Research in the Public Interest [201103007]
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A novel, Gram-stain-negative, non-motile, non-spore-forming, short rod-shaped, aerobic bacterium designated H-12(T) was isolated from a mixed sandy soil sample collected from Xinjiang, China. Strain H-12(T) grew at 20-37 degrees C (optimum, 30 degrees C), pH 7.0-11.0 (optimum, pH 8.5) on TGY medium with 0-5% NaCl (w/v). 16S rRNA gene sequence analysis indicated that strain H-12(T) shared sequence similarities with Sphingobacterium composti DSM 18850(T) (90.0 %). Strain H-12(T) showed a low level of DNA-DNA relatedness to Sphingobacterium composti DSM 18850(T) (45.5%). The predominant isoprenoid quinone of strain H-12(T) was MK-7 and the major polar lipid was phosphatidylethanolamine. The predominant cellular fatty acids were C-16:1 omega 7c and/or C-16:1 omega 6c, iso-C-15:0, iso-C-17:0 3-OH, C-16:0, C-16:0 3-OH and iso-C-15:0 3-OH. DNA G+C content of strain H-12(T) was 44.15 mol%. On the basis of phenotypic, genetic and phylogenetic data, strain H-12(T) is proposed to be a representative of a novel species of the genus Sphingobacterium, for which the name Sphingobacterium arenae sp. nov. is suggested and the type strain is H-12(T) (=ACCC 05758(T)=KCTC 32294(T)).
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