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E-ISSN : 2713-8615

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Vol.10 No.2

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Twelve previously unrecorded bacterial species, isolated from the Nakdong River, South Korea

Journal of Species Research / Journal of Species Research, (E)2713-8615
2021, v.10 no.2, pp.134-141
Hyangmi Kim (낙동강국립생물자원관)
한지혜 (국립낙동강생물자원관)
Hyangmi, K. , & 한지혜. (2021). . Journal of Species Research, 10(2), 134-141.

Abstract

During a survey of indigenous prokaryotic species diversity of the upstream Nakdong River, South Korea, 12 bacterial strains were isolated for further analysis. These bacterial strains were identified showing at least 98.7% 16S rRNA gene sequence similarity with known bacterial species that were previously unreported in South Korea. The 12 bacterial strains were phylogenetically diverse and assigned to four classes, eight orders, nine families, and ten different genera. The isolates were identified as Leucobacter holotrichiae (99.1%), Leucobacter tardus (99.9%), Rhodococcus rhodochrous (99.9%), Tessaracoccus oleiagri (100%), and Paeniglutamicibacter cryotolerans (99.3%), of the class Actinobacteria; Bacillus coagulans (99.7%) and Bacillus wudalianchiensis (99.1%) of the class Bacilli; Ochrobactrum pseudogrignonense (99.2%) and Paracoccus thiocyanatus (100%) of the class Alphaproteobacteria; and Ideonella azotifigens (99.0%), Polaromonas glacialis (99.3%), and Herbaspirillum seropedicae (99.5%) of the class Betaproteobacteria. The cellular and colonial morphology, biochemical properties, and phylogenetic position of these isolates were examined, and species descriptions are provided.

keywords
Freshwater, Nakdong River, unrecorded bacterial species

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