1887

Abstract

An actinomycete, strain BC 44T-5, with the ability to degrade poly(-3-hydroxybutyrate) was isolated from a soil sample collected from Miaoli County, Taiwan. The isolate displayed substrate mycelia and short spore chains were borne on the aerial mycelia. Spores were non-motile, round, 1 μm in diameter and spiny. The aerial spore mass was blue. Strain BC 44T-5 had -diaminopimelic acid as the diagnostic diamino acid of the cell-wall peptidoglycan. Whole-cell sugars of the novel strain were identified as glucose, galactose and madurose. Diphosphatidylglycerol and phosphatidylinositol were detected. The predominant menaquinones were MK-9(H) and MK-9(H). Mycolic acids were not detected. Major cellular fatty acids were iso-C (14.82 %), C (14.63 %), C (13.79 %) and 10-methyl-C (23.77 %.) The DNA G+C content of strain BC 44T-5 was 70.6 mol%. On the basis of phenotypic and genotypic data, it is proposed that strain BC 44T-5 (=FIRDI 002=BCRC 16873=LMG 24335) should be classified as the type strain of a novel species of the genus , sp. nov.

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2009-03-01
2022-01-27
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