1887

Abstract

Strain 7SM29, an aerobic marine gammaproteobacterium isolated from seawater from Castellón, Spain, was characterized by classical phenotyping, chemotaxonomy and 16S rRNA gene sequence analysis. Strain 7SM29 was found to be closely related to strains in the genus and to KT71, with which a genus-level cluster was formed within the NOR5/OM60 clade of the . Strain 7SM29 was a short, motile rod with a tuft of three polar flagella. The strain grew on marine agar and formed pale-yellow colonies. Strain 7SM29 required NaCl for growth, reduced nitrate to nitrite, degraded several polymers and showed a preference for organic acids and amino acids over carbohydrates as carbon and energy sources. Strain 7SM29 contained Q-8 as the sole respiratory quinone. The DNA G+C content was 62.1 mol%. Phosphatidylglycerol, diphosphatidylglycerol and phosphatidylethanolamine were the major polar lipids. The major cellular fatty acids were unsaturated C–C compounds. On the basis of extensive phenotypic and phylogenetic comparative analysis, it is concluded that the strain represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is 7SM29 (=CECT 7447 =DSM 21924).

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2010-08-01
2019-10-18
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