Symbiobacterium toebii sp. nov., commensal thermophile isolated from Korean compost

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Symbiobacterium toebii sp. nov., commensal thermophile isolated from Korean compost
Moon Hee Sung; Jin-Woo Bae; Joong Jae Kim; Kwang Kim; Jae Jun Song; Sung-Keun Rhee; Che Ok Jeon; Y H Choi; S P Hong; Seung Goo Lee; Jae Suk Ha; Gwan Tae Kang
Bibliographic Citation
Journal of Microbiology and Biotechnology, vol. 13, no. 6, pp. 1013-1017
Publication Year
A thermophilic nonspore-forming rod isolated from hay compost in Korea was subjected to a taxonomic study. The microorganism, designated as SC-1T, was identified as a nitrate-reducing and nonmotile bacterium. Although the strain was negatively Gram-stained, a KOH test showed that the strain SC-1T belonged to a Gram-positive species. Growth was observed between 45 and 70°C. The optimal growth temperature and pH were 60°C and pH 7.5, respectively. The G+C content of the genomic DNA was 65 mol% and the major quinone types were MK-6 and MK-7. A phylogenetic analysis based on 16S rDNA sequences revealed that the strain SC-1T was most closely related to Symbiobacterium thermophilum. However, the level of DNA-DNA relatedness between strain SC-1T and the type strain for Symbiobacterium thermophilum was approximately 30%. Accordingly, on the basis of the phenotypic traits and molecular systematic data, the strain SC-1T would appear to represent a new species within the genus Symbiobacterium. The type strain for the new species is named SC-1T (=KCTC 0307BPT; DSM 15906T).
commensal bacteriumsymbiobacterium toebii sp. nov.symbiosisthermophilic
Korea Soc-Assoc-Inst
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Division of Bio Technology Innovation > SME Support Center > 1. Journal Articles
Synthetic Biology and Bioengineering Research Institute > 1. Journal Articles
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