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Lacinutrix jangbogonensis sp. nov., a psychrophilic bacterium isolated from Antarctic marine sediment and emended description of the genus Lacinutrix

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Title
Lacinutrix jangbogonensis sp. nov., a psychrophilic bacterium isolated from Antarctic marine sediment and emended description of the genus Lacinutrix
Other Titles
남극 해양 퇴적물로부터 분리된 저온성 세균 신종 Lacinutrix jangbogonensis 및 Lacinutrix속 균주 특성 수정
Authors
Lee, Inae
Chun, Jongsik
Lee, Hong Kum
Kim, Ji Hee
Hong, Soon Gyu
Baek, Kiwoon
Cho, Yirang
Jung, You-Jung
Hwang, Chung Yeon
Lee, Yung Mi
Subject
Microbiology
Keywords
Lacinutrix jangbogonensis sp. nov.; Polyphasic taxonomy
Issue Date
2014
Citation
Lee, Inae, et al. 2014. "Lacinutrix jangbogonensis sp. nov., a psychrophilic bacterium isolated from Antarctic marine sediment and emended description of the genus Lacinutrix". ANTONIE VAN LEEUWENHOEK INTERNATIONAL JOURNAL OF GENERAL AND MOLECULAR MICROBIOLOGY, 106(1): 527-533.
Abstract
A Gram-negative, strictly aerobic, non-motile, rod-shaped and psychrophilic bacterial strain, PAMC 27137T, was isolated from the marine sediment of the Ross Sea, Antarctica. Strain PAMC 27137T was observed to grow at 4-10?C, at pH 6.5-7.5 and in the presence of 2.5-4.0% (w/v) sea salts. Phylogenetic analysis based on the 16S rRNA gene sequence indicated that strain PAMC 27137T belongs to the genus Lacinutrix showing the high similarities with Lacinutrix mariniflava JCM 13824T (97.6%) and Lacinutrix algicola JCM 13825T (97.1%). Genomic relatedness analyses based on the average nucleotide identity and the genome-to-genome distance showed that strain PAMC 27137T is clearly distinguished from the most closely related Lacinutrix species. The major fatty acids (>5%) were identified as iso-C15:1 G (19.9%), iso-C15:0 (19.3%), iso-C17:0 3-OH (11.3%), summed feature 9 (C16:0 10-methyl and/or iso-C17:1 ω9c as defined by MIDI, 9.1%), iso-C15:0 3-OH (7.5%), and anteiso-C15:1 A (5.8%). The polar lipids were found to consist of phosphatidylethanolamine, an unidentified aminolipid, an unidentified aminophospholipid, and five unidentified phospholipids. The major respiratory quinone was identified as MK-6. The genomic DNA G+C content was determined to be 33.5 mol%. Based on the data from this polyphasic taxonomic study, strain PAMC 27137T is considered to represent a novel species of the genus Lacinutrix, for which the name Lacinutrix jangbogonensis sp. nov. is proposed. The type strain is PAMC 27137T (= KCTC 32573T = JCM 19883T).
URI
http://repository.kopri.re.kr/handle/201206/6705
DOI
http://dx.doi.org/DOI 10.1007/s10482-014-0221-5
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