Arthrobacter sedimenti sp. nov., isolated from river sediment in Yuantouzhu park, China.

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    • Subject Terms:
      WUXI (Jiangsu Sheng, China); CHINA
    • Abstract:
      A Gram-stain positive, motile, aerobic and rod-shaped strain (MIC A30T) was isolated from river sediment in Yuantouzhu park, Wuxi City, China. Growth occurred at 20–40 °C, at pH 6.0–9.0 and at 0–5.0% NaCl. Strain MIC A30T was moderately related to Arthrobacter liuii CGMCC 1.12778T (97.9%), Arthrobacter pokkaliiT (97.9%) and Arthrobacter globiformis NBRC 12137T (96.7%) by 16S rRNA analysis. The DNA–DNA relatedness values between strain MIC A30T and these reference strains were below 30%. The DNA G+C content was 63.1 mol%. Average nucleotide identity (ANI) and genome-to-genome distance (GGD) values between strain MIC A30T and A. liuii CGMCC 1.12778T were 60.34% and 29.39%, respectively. Quinone was identified as MK-9(H2). Major polar lipids were diphosphatidylglycerol and phosphatidylglycerol. Major fatty acids were iso-C15:0, anteiso-C15:0 and anteiso-C17:0. Whole-cell sugars were galactose, mannose and rhamnose. The cell wall peptidoglycan contained A4α peptidoglycan type with lysine as the diagnostic diamino acid. Based on several taxonomic results, strain MIC A30T is identified as a novel species in genus Arthrobacter, whose name is proposed as Arthrobacter sedimenti sp. nov. The type strain is MIC A30T (= KACC 19599T = CGMCC 1.13474T). [ABSTRACT FROM AUTHOR]
    • Abstract:
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