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State Key Laboratory of Microbial Resource, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, PR China
Correspondence
Shuang-Jiang Liu
liusj{at}sun.im.ac.cn
A bacterial strain, designated DNG6T, was isolated from forest soil of the Changbai mountains, Heilongjiang province, China. Cells of strain DNG6T were Gram-negative, 0.3–0.5 µm in diameter and 1.0–2.0 µm in length, strictly aerobic and produced large amounts of extracellular fibrillar material. Growth occurred at 16–33 °C (optimum, 28 °C), at pH 6.0–9.0 (optimum, pH 7.0–7.5) and in the presence of 0–1 % NaCl (optimum, 0 %). Strain DNG6T contained MK-7 as the major respiratory quinone and iso-C15 : 0 (40.6 %) and summed feature 4 comprising iso-C17 : 1 I and/or anteiso-C17 : 1 B (26.5 %) as the major cellular fatty acids. The DNA G+C content was 48.1 mol% (Tm). Phylogenetic analysis based on 16S rRNA gene sequences indicated that the closest relative of strain DNG6T was Adhaeribacter aquaticus MBRG1.5T with 93.9 % sequence similarity. Based on these results, it is concluded that strain DNG6T represents a novel species of the genus Adhaeribacter, for which the name Adhaeribacter terreus is proposed, with strain DNG6T (=CGMCC 1.6961T=NBRC 104235T) as the type strain.
The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strain DNG6T is EU682684.
Scanning and transmission electron micrographs of cells of strain DNG6T are available as supplementary material with the online version of this paper.
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