Journal
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
Volume 64, Issue -, Pages 2204-2209Publisher
MICROBIOLOGY SOC
DOI: 10.1099/ijs.0.061986-0
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Funding
- National Natural Science Foundation of China [31370057, 31290231]
- National Science and Technology Major Project of China [2013ZX10004217]
- China Ocean Mineral Resources R & D Association (COMRA) Special Foundation [DY125-15-T-05]
- Graduate Innovation Foundation of Shandong University at WeiHai (GIFSDUWH) [yjs11045]
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A Gram-stain-negative, facultatively anaerobic, gliding, yellow-pigmented bacterium, designated SS12(T), was isolated from shark gill homogenate and characterized using a polyphasic approach. The strain was catalase-positive and oxidase-negative. Optimal growth occurred at 28-30 degrees C, pH 7.0-7.5 and in the presence of 2-4% (w/v) NaCl. The DNA G+C content was 40.0 mol%. The strain contained MK-7 as the prevailing menaquinone; iso-C-15:0 and anteiso-C-15:0 as the major cellular fatty acids; and phosphatidylethanolamine and an unknown lipid as the predominant polar lipids. Comparative analysis of 16S rRNA gene sequences demonstrated that the novel isolate showed the highest sequence similarity (94.68%) to Saccharicrinis fermentans DSM 9555(T) and the sequence similarities among the type strains of all other species studied were less than 92%. A phylogenetic tree, based on 16S rRNA gene sequences, showed that strain SS12(T) and Saccharicrinis fermentans DSM 9555(T) formed a distinct cluster within the family Marinilabiliaceae. On the basis of its phylogenetic position and phenotypic traits, strain SS12(T) represents a novel species of genus Saccharicrinis, for which the name Saccharicrinis carchari sp. nov. is proposed. The type strain is SS12(T) (=CICC 10590(T)=DSM 27040(T)). Emended descriptions of the genus Saccharicrinis and Saccharicrinis fermentans are also provided.
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