1887

Abstract

A Gram-reaction-negative, proteorhodopsin-containing, yellow-pigmented, rod-shaped, non-gliding and strictly aerobic bacterium, designated strain YIK12, was isolated from tidal flat sediment of Yeongheung Island at the coast of the West Sea of Korea. Cells produced non-diffusible carotenoid pigments, but not flexirubin-type pigment. Phylogenetic analyses based on 16S rRNA gene sequences indicated that the isolate was affiliated to the family and showed highest similarity to MAOS-86 (93.3 %). Growth was observed at 24–44 °C (optimum 30 °C), at pH 6.5–8.0 (optimum 7.0) and in the presence of 1.5–7.0 % sea salts (optimum 2 %). The DNA G+C content was 40.4 mol% and the predominant cellular fatty acids were iso-C, iso-C G, iso-C 3-OH, iso-C 3-OH, anteiso-C and iso-C 3-OH. The major respiratory quinone was MK-6. On the basis of data from the present polyphasic taxonomic study, strain YIK12 is considered to represent a novel species of a new genus in the family , for which the name gen. nov., sp. nov. is proposed. The type strain of is YIK12 ( = KCCM 43023 = JCM 19488). Emended descriptions of the genus and are given.

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2014-06-01
2020-01-27
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