Agrococcus terreus sp. nov. and Micrococcus terreus sp. nov., isolated from forest soil
Zhang, Jia-Yue and Liu, Xing-Yu and Liu, Shuang-Jiang,, 60, 1897-1903 (2010),
doi = https://doi.org/10.1099/ijs.0.013235-0,
publicationName = Microbiology Society,
issn = 1466-5026,
abstract= Two bacterial strains, DNG5T and V3M1T, isolated from forest soil of the Changbai mountains in China, were characterized using a polyphasic approach. Analysis of their 16S rRNA gene sequences indicated that strains DNG5T and V3M1T were phylogenetically related to members of the genus Agrococcus (96.0–98.4 % similarity) and Micrococcus (96.7–98.0 % similarity), respectively, within the order Actinomycetales. Strains DNG5T and V3M1T were Gram-stain-positive and strictly aerobic and formed yellow colonies on LB agar. Cells of strain DNG5T were short, non-motile rods, 0.4–0.5×0.8–1.0 μm. Strain DNG5T contained MK-10 and MK-11 as the major respiratory quinones and anteiso-C15 : 0 (49.2 %) and iso-C16 : 0 (22.4 %) as the major fatty acids. The diamino acid in the peptidoglycan of strain DNG5T was 2,4-diaminobutyric acid and the murein was of the acetyl type. Cells of strain V3M1T were cocci, 0.6–0.7 μm in diameter. The cell-wall peptidoglycan of strain V3M1T contained the amino acids lysine, glutamic acid, alanine and glycine. Strain V3M1T contained MK-7, MK-7(H2), MK-8 and MK-8(H2) as respiratory quinones and anteiso-C15 : 0 (78.2 %) and iso-C15 : 0 (13.1 %) as the major cellular fatty acids. The DNA G+C contents of strains DNG5T and V3M1T were 75.9 and 67.2 mol%, respectively. The DNA–DNA relatedness of strain DNG5T to Agrococcus jejuensis DSM 22002T, A. jenensis JCM 9950T, A. baldri JCM 12132T and A. citreus JCM 12398T was 58.3, 43.9, 36.1 and 54.1 %, respectively. The DNA–DNA relatedness of strain V3M1T to Micrococcus luteus CGMCC 1.2299T, M. antarcticus CGMCC 1.2373T and M. lylae CGMCC 1.2300T was 57.5, 45.4 and 39.0 %, respectively. Combining phenotypic and genotypic traits, strain DNG5T represents a novel species of the genus Agrococcus, for which the name Agrococcus terreus sp. nov. is proposed, with DNG5T (=CGMCC 1.6960T =NBRC 104260T) as the type strain. Strain V3M1T represents a novel species of the genus Micrococcus, for which the name Micrococcus terreus sp. nov. is proposed, with V3M1T (=CGMCC 1.7054T =NBRC 104258T) as the type strain.,
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