Symbiobacterium toebii sp nov., Commensal thermophile isolated from Korean compost
- Authors
- Sung, Moon-Hee; Bae, Jin-Woo; Kim, Joong-Jae; Kim, Kwang; Song, Jae Jun; Rhee, Sung-Keun; Jeon, Che-Ok; Choi, Yoon-Ho; Hong, Seung-Pyo; Lee, Seung-Goo; Ha, Jae Suk; Kang, Gwan Tae
- Issue Date
- Dec-2003
- Publisher
- KOREAN SOC MICROBIOLOGY & BIOTECHNOLOGY
- Keywords
- Symbiobacterium toebii sp nov.; thermophilic; commensal bacterium; symbiosis
- Citation
- JOURNAL OF MICROBIOLOGY AND BIOTECHNOLOGY, v.13, no.6, pp 1013 - 1017
- Pages
- 5
- Journal Title
- JOURNAL OF MICROBIOLOGY AND BIOTECHNOLOGY
- Volume
- 13
- Number
- 6
- Start Page
- 1013
- End Page
- 1017
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/57918
- ISSN
- 1017-7825
1738-8872
- Abstract
- A thermophilic nonspore-forming rod isolated from hay compost in Korea was subjected to a taxonomic study. The microorganism, designated as SC-1(T), was identified as a nitrate-reducing and nonmotile bacterium. Although the strain was negatively Gram-stained, a KOH test showed that the strain SC-1(T) belonged to a Gram-positive species. Growth was observed between 45 and 70degreesC. The optimal growth temperature and pH were 60degreesC 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-1(T) was most closely related to Symbiobacterium thermophilum. However, the level of DNA-DNA relatedness between strain SC-1(T) 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-1(T) would appear to represent a new species within the genus Symbiobacterium. The type strain for the new species is named SC-1(T) (=KCTC 0307BP(T); DSM 15906(T)).
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