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Abstract

The taxonomic positions of two bacterial strains, MBIC01146 and MBIC01099, isolated from marine environments of Japan and Palau, respectively, were determined by using a polyphasic approach. The bacteria were aerobic, motile, Gram-negative rods and formed star-shaped aggregations. The G+C content of the genomic DNA ranged from 58.5 to 58.7 mol%. The major respiratory quinone was ubiquinone-10 and the predominant cellular fatty acids were C, C 6 and C 7. 16S rRNA gene sequence analyses based on both neighbour-joining and maximum-parsimony methods revealed that strains MBIC01146 and MBIC01099 were positioned within the cluster comprising and within subgroup -3 of the . The phenotypic and chemotaxonomic characteristics of the novel strains were similar to those of ; however, DNA–DNA hybridization tests showed that the isolates represented an independent species. The isolates could be differentiated from based on several characteristics. Therefore, strains MBIC01146 and MBIC01099 are considered to represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain is MBIC01146 (=NBRC 101030=CIP 109181). An emended description of Uchino 1999 is also given.

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2007-06-01
2020-01-20
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vol. , part 6, pp. 1304 - 1309

Maximum-parsimony tree showing the phylogenetic positions of sp. nov. NBRC 101030 and NBRC 101029 based on 16S rRNA gene sequences. [PDF](19 KB)



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