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Psychroserpens jangbogonensis sp. nov., apsychrophilic bacterium isolated from Antarcticmarine sediment

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Title
Psychroserpens jangbogonensis sp. nov., apsychrophilic bacterium isolated from Antarcticmarine sediment
Authors
Baek, Kiwoon
Lee, Hong Kum
Kim, Ji Hee
Hong, Soon Gyu
Kim, Mi-Kyeong
Jung, You-Jung
Park, Hyun
Hwang, Chung Yeon
Lee, Yung Mi
Subject
Microbiology
Issue Date
2015
Citation
Baek, Kiwoon, et al. 2015. "Psychroserpens jangbogonensis sp. nov., apsychrophilic bacterium isolated from Antarcticmarine sediment". INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY, 65(1): 183-188.
Abstract
A Gram-staining-negative, yellow-pigmented, aerobic, rod-shaped and non-motile bacterium, PAMC 27130T, was isolated from the marine sediment of the Ross Sea, Antarctica. The temperature, pH and NaCl tolerance ranges for growth were 4?20 6C, pH 6.0?9.0 and 0.5? 5.0% (w/v) NaCl, respectively. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain PAMC 27130T belonged to the genus Psychroserpens and was closely related to Psychroserpens mesophilus, Psychroserpens damuponensis and Psychroserpens burtonensis with 97.2, 94.7 and 94.2% sequence similarities, respectively. Genomic relatedness analyses based on average nucleotide identity and genome-to-genome distance showed that strain PAMC 27130T could be clearly distinguished from other species of the genus Psychroserpens . The genomic DNA G+C content was 32.7 mol%. The major fatty acids (.10 %) were C20 : 4v6c (13.2 %), iso-C15 : 0 (12.3 %), iso-C15 : 1 G (11.7 %) and iso-C15 : 0 3-OH (10.0 %). The major respiratory isoprenoid quinone was menaquinone-6 (MK-6) and the polar lipids were phosphatidylethanolamine, two unidentified aminolipids, an unidentified phospholipid, an unidentified aminophospholipid and three unidentified lipids. On the basis of genotypic and phenotypic data collected in this study, it is proposed that strain PAMC 27130T represents a novelspecies of the genus Psychroserpens, for which the name Psychroserpens jangbogonensis sp. nov. is proposed. The type strain is PAMC 27130T (5KCTC 42128T5JCM 30228T).
URI
http://repository.kopri.re.kr/handle/201206/6709
DOI
http://dx.doi.org/10.1099/ijs.0.069740-0
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