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제주도 숨은물벵뒤 습지 서식 Alphaproteobacteria 및 Gammaproteobacteria 강에 속하는 신변이주의 특성
김하늘 ( Ha Neul Kim ),강지영 ( Ji Young Kang ),최재희 ( Jae Hee Choi ),최정욱 ( Jeong Uk Choe ),이상훈 ( Sang Hoon Lee ),김태의 ( Tae Ui Kim ),이하나 ( Ha Na Yi ),장광엽 ( Kwang Yeop Jahng ),조장천 ( Jang Cheon Cho ),이현환 ( Hyu 한국환경생물학회 2011 환경생물 : 환경생물학회지 Vol.29 No.3
In this study, samples were collected from the Sumummulbangdui wetland at the Halla Mountain in Jeju Island in order to isolate novel bacterial strain. Bacterial strains belonging to the class Alphaproteobacteria, and Gammaproteobacteria were isolated after spreading samples onto solid agar media. The 16S rRNA gene sequences of the strains assigned to the two classes were compared to those of type strains of the species. The strains that showed less than 98.7% 16S rRNA gene sequence similarity to the validly published species were considered to be novel species candidates. A total of 19 strains were regarded as novel strains which can be regarded as novel species candidates. In the Alphaproteobacteria, 6 novel strains were affiliated with the genera Novosphingobium, and Rhizobium. A total of 13 novel strains belong to Gammaproteobacteria that assigned to the family Moraxellaceae, Pseudomonadaceae, and Enterobacteriaceae were identified. Cultural, physiological, chemotaxonomic characteristics and fatty acids compositions have been determined for the novel species candidates, and the characteristics are described in this study.
제주도 고산 습지에서 분리한 Bacteroidetes, Firmicutes, Actinobacteria 문에 속하는 신종후보 세균
최아영 ( Ah Young Choi ),최재희 ( Jae Hee Choi ),강지영 ( Ji Young Kang ),최정욱 ( Jeong Uk Choe ),이상훈 ( Sang Hoon Lee ),김하늘 ( Ha Neul Kim ),이하나 ( Ha Na Yi ),신영민 ( Young Min Shin ),장광엽 ( Kwang Yeop Jahng ),이현환 ( 한국환경생물학회 2011 환경생물 : 환경생물학회지 Vol.29 No.3
Although Sumunmulbangdui wetland at the Halla Mountain in Jeju Island, a kind of montane wetlands, has been considered to bear high biodiversity, no study has been reported on the bacterial diversity. In this study, soil and water samples were collected from the wetland in order to isolate novel bacterial species. Bacterial strains belonging to the phyla Bacteroidetes, Firmicutes, and Actinobacteria were isolated after spreading soil and water samples onto solid agar media. The 16S rRNA gene sequences of the strains assigned to the three phyla were compared to those of type strains of the species in the phyla. The strains that showed less than 98.7% 16S rRNA gene sequence similarity to the validly published species were considered to be novel species candidates. A total of 32 strains were regarded as novel species candidates in the phyla Bacteroidetes, Firmicutes, and Actinobacteria. Diversity of novel species candidates was very low; the candidates were confined to only few genera. In the Bacteroidetes, 13 novel candidate species were affiliated with the genera Mucilaginibacter, Sphingobacterium, Pedobacter, Flavobacterium, and Chryseobacterium. A total of 13 novel candidate species that assigned to the genera Paenibacillus, Lysinibacillus, and Bacillus were identified in the phylum Firmicutes. Only two candidate species that belonged to the genera Mycobacterium and Nocardia were excavated in the Actinobacteria. Cultural, physiological, and chemotaxonomic characteristics have been determined for the novel species candidates, and the characteristics are described in this study.