Leeuwenhoekiella polynyae sp. nov., isolated from a polynya in western Antarctica

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Leeuwenhoekiella polynyae sp. nov., isolated from a polynya in western Antarctica
O J Si; S J Kim; M Y Jung; S B Choi; J G Kim; Song-Gun Kim; S W Roh; S H Lee; S K Rhee
Bibliographic Citation
International Journal of Systematic and Evolutionary Microbiology, vol. 65, no. 5, pp. 1694-1699
Publication Year
A Gram-stain-negative, motile by gliding, rod-shaped bacterial strain, designated SOJ2014-1T was isolated from surface water of a polynya in the Antarctic Ocean. A comparative 16S rRNA gene sequence analysis showed that strain SOJ2014-1T belongs to the genus Leeuwenhoekiella and is most closely related to Leeuwenhoekiella marinoflava DSM 3653T (97.5 % 16S rRNA gene sequence similarity). The G+C content of the genomic DNA of strain SOJ2014-1T was 38.8 mol%. Its predominant cellular fatty acids were summed feature 3 (composed of C16 : 1v6c and/or C16 : 1v7c), iso-C17 : 0 3-OH, iso-C15 : 0, iso-C15 : 1 G and summed feature 9 (composed of iso-C17 : 1v9c and/or 10-methyl C16 : 0). DNA-DNA relatedness between strain SOJ2014-1T and close relatives, L. marinoflava DSM 3653T and Leeuwenhoekiella aequorea LMG 22550T , was below 49 %. The respiratory quinone was MK-6. The major polar lipids were phosphatidylethanolamine, an unidentified aminolipid and two unidentified lipids. The strain grew at 0-35 6C (optimum, 25 6C) with 0-14.0 % (w/v) NaCl (optimum, 1.0-5.0 %). It was strictly aerobic and had different carbohydrate utilization traits compared with L. marinoflava DSM 3653T. Based on the phenotypic, chemotaxonomic and phylogenetic analyses, strain SOJ2014-1T is proposed as a representative of a novel species, Leeuwenhoekiella polynyae. The type strain is SOJ2014-1T (5KCTC 42185T5JCM 30387T).
Microbiology Soc
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Jeonbuk Branch Institute > Biological Resource Center > 1. Journal Articles
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