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Abstract

A pale-yellowish-pigmented strain, 022-2-26, was isolated from a starfish, . Cells of strain 022-2-26 were Gram-negative short rods that were chemo-organotrophic, alkalitolerant and mesophilic. The predominant menaquinone was MK-6. The major cellular fatty acids were iso-C, iso-C, C, iso-C 2-OH and iso-C 3-OH (together representing 87 % of the total fatty acids). The DNA G+C content was 30.1 mol%. A 16S rRNA gene sequence of the isolate was determined and phylogenetic analyses revealed that strain 022-2-26 formed a robust clade (neighbour-joining algorithm with a bootstrap value of 95 % and parsimony and maximum-likelihood algorithms) with type strains of species in the genus . The closest phylogenetic neighbour of strain 022-2-26 was UST030701-295 (96 % 16S rRNA gene sequence similarity; 59 differences between sequences). On the basis of the phenotypic and chemotaxonomic characteristics and the phylogenetic evidence, it is proposed that strain 022-2-26 represents a novel species, sp. nov. The type strain is 022-2-26 (=KMM 6013 =CIP 109976).

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2010-07-01
2019-10-20
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vol. , part 7, pp. 1577 - 1580

Cellular fatty acid compositions of strain 022-2-26 and the type strains of the most closely related species.

Consensus phylogenetic tree showing the phylogenetic position of sp. nov. 022-2-26 according to 16S rRNA gene sequence analysis.

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