Oceanobacillus gochujangensis sp nov., Isolated from gochujang a Traditional Korean Fermented Food
- Authors
- Jang, Seo-Jung; Kim, Yu-Jin; Lee, Sul-Hee; Park, Young-Seo; Park, Jung-Min; Bai, Dong-Hoon
- Issue Date
- Dec-2014
- Publisher
- MICROBIOLOGICAL SOCIETY KOREA
- Keywords
- Oceanobacillus gochujangensis; Oceanobacillus; gochujang; Korean fermented food; 16S rRNA gene
- Citation
- JOURNAL OF MICROBIOLOGY, v.52, no.12, pp.1050 - 1055
- Journal Title
- JOURNAL OF MICROBIOLOGY
- Volume
- 52
- Number
- 12
- Start Page
- 1050
- End Page
- 1055
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/12073
- DOI
- 10.1007/s12275-014-4220-z
- ISSN
- 1225-8873
- Abstract
- A Gram-stain-positive, polar flagella-containing, rod-shaped, obligate aerobic, endospore-forming bacterium, strain TK1655(T), was isolated from the traditional Korean food gochujang. The 16S rRNA sequence of strain TK1655(T) was a member of the genus Oceanobacillus similar to that of the type strain of Oceanobacillus oncorhynchi subsp. incaldanensis DSM 16557(T) (97.2%), O. oncorhynchi subsp. oncorhynchi JCM 12661(T) (97.1%), O. locisalsi KCTC 13253(T) (97.0%), and O. sojae JCM 15792(T) (96.9%). Strain TK1655(T) was oxidase and catalase positive. Colonies were circular, smooth, low convex, cream in colour, and measured about 0.5-1.0 mm in diameter. The range for growth was 20-40 degrees C (optimal, 30 degrees C), pH 6.0-10.0 (optimal, 7.0), and 2-16% (w/v) NaCl (optimal, 2%). Additionally, the cells contained meso-DAP, and the predominant isoprenoid quinone was MK-7. The complex polar lipids were consisted of diphosphatidylglycerol (DPG), phosphatidylglycerol (PG), phosphatidylcholine (PC). The major cellular fatty acid components were iso-C-15:0, anteiso-C-15:0, iso-C-16:0 and anteiso-C-17:0, and the DNA G+C content was 40.5%. DNA-DNA relatedness of our novel strain and reference strain O. locisalsi KCTC 13253(T), a oncorhynchi subsp. incaldanensis DSM 16557(T), O. oncorhynchi subsp. oncorhynchi JCM 12661(T) was 45.7, 43.8, and 41.9%. From the results of phenotypic, chemotaxonomic, and phylogenetic analyses of strain TK1655(T), we propose the novel species Oceanobacillus gochujangensis sp. nov. The type strain is TK1655(T) (=KCCM 101304(T) =KCTC 33014T =CIP 110582(T) =NBRC 109637(T)).
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