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Abstract

A Gram-negative, aerobic, light-orange-coloured, marine bacterium (designated SST-19) was isolated from beach sediment in Jeju, Korea, and its taxonomic position was determined by means of a polyphasic approach. In a neighbour-joining phylogenetic tree based on 16S rRNA gene sequences, strain SST-19 was positioned within the family ‘’, class , and formed a consistent cluster with ATCC 23167 (94.7 % sequence similarity). The levels of 16S rRNA gene sequence similarity between the isolate and recognized members of the family ranged from 84 to 89 %, with ATCC 23123, ATCC 23147, DSM 1100 and ATCC 23119 showing values of 89.0 , 88.4 , 86.4 and 84.1 %, respectively. Strain SST-19 required seawater for growth and its cells were unbranched, flexible rods or filaments with gliding motility. The cellular fatty acids consisted mainly of saturated, unsaturated and iso-branched fatty acids, the major components being C 7 and/or iso-C 2-OH (24.1 %), C (13.5 %), iso-C (11.1 %) and C (10.9 %). The G+C content of the DNA was found to be 51.3 mol%. On the basis of the results from phenotypic and phylogenetic analyses, the isolate represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is SST-19 (=JBRI 2009=KCTC 12774=JCM 14216).

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2007-12-01
2019-12-06
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vol. , part 12, pp. 2814 - 2818

Cellular fatty acid compositions of strain SST-19 ( sp. nov.) and the type strains of recognized species of the genus . [PDF](24 KB)



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