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Abstract

A Gram-negative, short rod-shaped bacterium, strain GA2-M15, was isolated from a sea-sand sample at Homi Cape, Pohang city, Republic of Korea. 16S rRNA gene sequence analysis demonstrated that this isolate was unique, showing 95.9 % sequence similarity to the type strain of and similarities of 94.0–95.2 % to the type strains of species of the genera (94.4–95.2 %), (94.0–94.4 %) and (94.0–94.7 %). Chemotaxonomic characteristics (diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine and phosphatidylcholine as the major polar lipids and C 7 as the predominant fatty acid) and DNA G+C content (56 mol%) were also similar to those of . 16S rRNA gene sequence similarity, physiological properties and some fatty acid components showed that strain GA2-M15 could be differentiated from . On the basis of these results, strain GA2-M15 is considered to represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain is GA2-M15 (=KACC 12675 =DSM 19593).

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2009-03-01
2019-12-13
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Transmission electron micrograph of a cell of strain GA2-M15 , showing polar flagella. Bar, 500 nm.

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Polar lipid profiles of strain GA2-M15 and DSM 16310 after separation by two-dimensional TLC. [PDF](37 KB)

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