Abstract
Two novel actinobacteria, designated strain Gsoil 097T and strain Gsoil 818T, isolated from soil of a ginseng field, South Korea, were characterized. They are Gram-reaction-positive, aerobic, non-spore-forming and rod-shaped. Phylogenetic analysis based on 16S rRNA gene sequences indicated that both isolates belong to the genus Marmoricola and are most closely related to the M. solisilvae KIS18-7T (99.1 % and 98.3 % sequences similarity, respectively), M. terrae JOS5-1T (97.9 % and 97.9 %), M. scoriae Sco-D01T (97.8 % and 97.1 %), and M. aequoreus SST-45T (97.5 % and 97.0 %). The G+C content of the genomic DNA was 68.8 mol % and 70.0 mol %, respectively. Both strains were characterized chemotaxonomically as having LL-2,6-diaminopimelic acid in its cell-wall peptidoglycan, MK-8(H4) as the predominant menaquinone and C17:1 ω6c, C18:1 ω9c, C18:0 10-methyl and iso-C16:0 as their major fatty acids. These chemotaxonomic data supported the affiliation of both strains to the genus Marmoricola. However, the low level of DNA-DNA relatedness value between both strains and closely related type strains of Marmoricola species were less than 30 %. Moreover, the results of physiological and biochemical tests allowed phenotypic differentiation ...Continue Reading
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Citations
Mar 3, 2018·International Journal of Systematic and Evolutionary Microbiology·Peter SchumannRosa Margesin
Sep 19, 2017·International Journal of Systematic and Evolutionary Microbiology·Zhong-Ke JiangCheng-Hang Sun
Mar 2, 2019·International Journal of Systematic and Evolutionary Microbiology·Fei-Na LiCheng-Hang Sun
Jan 30, 2020·International Journal of Systematic and Evolutionary Microbiology·Neeli HabibWen-Jun Li