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E-ISSN : 2713-8615

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Vol.9 No.4
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A report of 35 unrecorded bacterial species isolated from sediment in Korea

Journal of Species Research / Journal of Species Research, (E)2713-8615
2020, v.9 no.4, pp.362-374
한지혜 (국립낙동강생물자원관)
Kiwoon Baek (Nakdonggang National Institute of Biological Resources)
황선이 (국립낙동강생물자원관)
남윤종 (국립낙동강생물자원관)
이미화 (국립낙동강생물자원관)
한지혜, Kiwoon, B. , 황선이, 남윤종, & 이미화. (2020). . Journal of Species Research, 9(4), 362-374.
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Abstract

A total of 35 bacterial strains were isolated from various sediment samples. From 16S rRNA gene sequence similarities higher than 98.7% and the formation of a robust phylogenetic clade with the closest species, it was determined that each strain belonged to independent and predefined bacterial species. No previous official reports have described these 35 species in Korea. The unrecorded species were assigned to 6 phyla, 10 classes, 18 orders, 23 families, and 31 genera. At the genus level, the unrecorded species were affiliated with Terriglobus of the phylum Acidobacteria, as well as with Mycobacterium, Rhodococcus, Kineococcus, Phycicoccus, Agromyces, Cryobacterium, Microbacterium, and Arthrobacter; Catellatospora of the class Actinomycetia; Lacibacter of the class Chitinophagia; Algoriphagus and Flectobacillus of the class Cytophagia; Flavobacterium and Maribacter of the class Flavobacteriia; Bacillus, Cohnella, Fontibacillus, Paenibacillus, Lysynibacillus, and Paenisporosarcina of the class Bacilli; Bradyrhizobium, Gemmobacter, Loktanella, and Altererythrobacter of the class Alphaproteobacteria; Acidovorax of the class Betaproteobacteria; Aliiglaciecola, Cellvibrio, Arenimonas, and Lysobacter of class Gammaproteobacteria; and Roseimicrobium of the class Verrucomicrobia. The selected strains were subjected to further taxonomic characterization, including Gram reaction, cellular and colonial morphology, and biochemical properties. This paper provides detailed descriptions of the 35 previously unrecorded bacterial species.

keywords
16S rRNA gene, freshwater, sediment, unrecorded bacteria

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