A report of 31 unrecorded bacterial species belonging to the class Alphaproteobacteria in Korea
윤정훈 (성균관대학교)
김승범 (충남대학교)
장광엽 (전북대학교)
조장천 (인하대학교)
조기성 (한국외국어대학교)
차창준 (중앙대학교)
성치남 (순천대학교)
배진우 (경희대학교)
임완택 (한경대학교)
전체옥 (중앙대학교)
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Abstract
During a comprehensive investigation of indigenous prokaryotic species in Korea, a total 31 bacterial strains assigned to the class Alphaproteobacteria were isolated from diverse environmental habitats including freshwater, seawater, brackish water, ginseng soil, plant roots, natural caves, and tidal flats. Based on their high 16S rRNA gene sequence similarities (>99.1%) and formation of robust phylogenetic clades with the closest type species, each strain was assigned to an independent and predefined bacterial species. Because there were no published or official reports regarding the isolation of these 31 species in Korea, this study identified three species in two genera in the order Caulobacterales, 12 species in 10 genera in the order Rhodobacterales, three species in two genera in the order Rhizobiales, two species in two genera in the order Rhodospirillales and 11 species in seven genera, all in the order Sphingomonadaceae within the Alphaproteobacteria are reported as new alphaproteobacterial species in Korea. Gram reaction, colony and cell morphology, basic biochemical characteristics, isolation source, and strain IDs are described in the species description section.
- keywords
- 16S rRNA, Alphaproteobacteria, bacterial diversity, indigenous prokaryotic species in Korea, taxonomy, unrecorded species
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