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- Title
Sporosarcina siberiensis sp. nov., isolated from the East Siberian Sea.
- Authors
Zhang, Gaiyun; Ren, Huihui; Chen, Xiu; Zhang, Yubian; Yang, Yanliu; Wang, Shuang; Jiang, Yi
- Abstract
A Gram-stain positive, non-motile, rod-shaped bacterium, designated strain 1111S-42, was isolated from the East Siberian Sea. The organism was found to grow at 4-30 °C, pH 7.0-8.5 and in 0-8 % (w/v) NaCl, with optimal growth occurring at 28 °C, pH 7.5 and in 1 % NaCl. Based on 16S rRNA gene sequence similarity studies, strain 1111S-42 was found to belong to the genus Sporosarcina and to be most closely related to Sporosarcina contaminans CCUG53915 (97.3 %) and Sporosarcina soli I80 (97.2 %). The main polar lipids were found to include diphosphatidylglycerol, phosphatidylglycerol and phosphatidylethanolamine. The predominant menaquinone was identified as MK-7. The major cellular fatty acids were identified as anteiso-C (34.4 %), iso-C (29.8 %) and anteiso-C (22.4 %). The DNA G+C content of strain 1111S-42 was determined to be 39 mol %. The values of DNA-DNA relatedness between the strain 1111S-42 and related type strains of the genus Sporosarcina were less than 30 %. Based on the phylogenetic analysis, along with extensive physiological and chemotaxonomic testing, we conclude that the bacterium represents a novel species of the genus Sporosarcina, for which the name Sporosarcina siberiensis sp. nov. is proposed. The type strain is strain 1111S-42 (=CGMCC 1.12516 = LMG 27494).
- Subjects
EAST Siberian Sea (Russia); GRAM-positive bacteria; VITAMIN K2; SALT; RIBOSOMAL RNA; NUCLEOTIDE sequence; DNA
- Publication
Antonie van Leeuwenhoek, 2014, Vol 106, Issue 3, p489
- ISSN
0003-6072
- Publication type
Article
- DOI
10.1007/s10482-014-0217-1