Hymenobacter polaris sp. nov., a psychrotolerant bacterium isolated from an Arctic station
- Authors
- Dahal, Ram Hari; Chaudhary, Dhiraj Kumar; Kim, Dong-Uk; Kim, Jaisoo
- Issue Date
- 2020
- Publisher
- MICROBIOLOGY SOC
- Keywords
- Hymenobacter polaris; psychrotolerant; Bacteroidetes; Hymenobacteraceae; Arctic soil
- Citation
- INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY, v.70, no.9, pp 4890 - 4896
- Pages
- 7
- Indexed
- SCIE
SCOPUS
- Journal Title
- INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
- Volume
- 70
- Number
- 9
- Start Page
- 4890
- End Page
- 4896
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/59087
- DOI
- 10.1099/ijsem.0.004356
- ISSN
- 1466-5026
1466-5034
- Abstract
- A pink-pigmented, non-motile, Gram-stain-negative, rod-shaped bacterium, designated RP-2-7(T), was obtained from soil sampled at the Arctic station, Spitsbergen, Svalbard, Norway. Cells were strictly aerobic, psychrotolerant, grew optimally at 15-20 degrees Cand hydrolysed CM-cellulose. Phylogenetic analysis based on its 16S rRNA gene sequence revealed that strain RP-2-7(T) formed a lineage within the family Hymenobacteraceae and clustered with members of the genus Hymenobacter. Its closest relative was Hymenobacter marinus KJ035(T) (97.6% sequence similarity). The sequence similarities to other strains were <= 96.9%. The principal respiratory quinone was MK-7 and the major polar lipids were phosphatidylethanolamine and an unidentified aminophospholipid. The predominant cellular fatty acids were summed feature 3 (C-16(:1) omega 7c and/or C-16(:1) omega 6c), anteiso-C-15;0, iso-C-15:0, C-16:1 omega 5c and summed featured 4 (iso-C-17:1 I and/or anteiso-C-17:1 B). The DNA G+C content was 62.8 mol%. In addition, the average nucleotide identity and in silico DNA-DNA hybridization relatedness values between strain RP-2-7(T) and closely related strains were lower than species demarcation thresholds. Based on the resuls of genomic. chemotaxonomic. phenotypic and phylogenetic analyses, strain RP-2-7(T) represents novel species in the genus Hymenobacter, for which the name Hymenobacter polaris sp. nov. is proposed. The type strain is RP-2-7(T) (=KACC 21670(T)=NBRC 114391(T)).
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