1887

Abstract

Strain IK-1 was isolated from decaying tissues of the shrub collected on O‘ahu, Hawai‘i. Cells were rods that stained Gram-negative. Gliding motility was not observed. The strain was oxidase-negative and catalase-positive. Zeaxanthin was the major carotenoid. Flexirubin-type pigments were not detected. The most abundant fatty acids in whole cells of IK-1 grown on R2A were iso-C and one or both of Cω7 and Cω6. Based on comparisons of the nucleotide sequence of the 16S rRNA gene, the closest neighbouring type strains were WB 3.3-2 and WB 4.1-42, with which IK-1 shares 93.84 and 93.67 % identity, respectively. The G+C content of the genomic DNA was 44.2 mol%. On the basis of distance from its nearest phylogenetic neighbours and phenotypic differences, the species sp. nov. is proposed to accommodate strain IK-1 ( = ATCC BAA-2412 = CIP 110358) as the type strain. The description of the genus is emended to reflect the DNA G+C contents of IK-1 and other species of the genus described since the original description of the genus.

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2013-09-01
2019-10-15
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