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Jani , K and Kajale, S and Shetye, M and Palkar , S and Sharma , A (2021) Marisediminicola senii sp. nov. isolated from Queen Maud Land, Antarctica . International Journal of Systematic and Evolutionary Microbiology., 71 (2).

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Abstract

A Gram-stain-variable, aerobic, orange pigmented, catalase-positive and oxidase-negative, cocci-shaped bacterium, designated SM7_A14T, isolated from glacier fed sediment sample collected from the Queen Maud Land, near India’s Maitri station in Antarctica. Phylogenetic analysis based on 16S rRNA gene sequences revealed highest sequence similarity with Marisediminicola antarctica DSM 22350T (97.3 %), demonstrated distinct phylogenetic positioning of strain SM7_A14T within the genus Marisediminicola . Growth of strain SM7_A14T occurs at 5–25 °C (optimum, 20 °C), pH 7.0–10 (optimum, pH 8.0) with 0–5 % NaCl (optimum 1–4 %, w/v). C15 : 0 anteiso, C17 : 0 anteiso, C16 : 0 iso and C15 : 1 anteiso A are the major fatty acids (>5 % of the total fatty acids). The polar lipid profile consisted of diphosphatidylglycerol and phosphatidylglycerol. The average nucleotide identity (ANI) and digital DNA–DNA hybridization values between SM7_A14T and DSM 22350T were 80.3 and 21.3 %, respectively. The genomic DNA G+C content of the strain SM7_A14T was 68.5 %. Distinguishing characteristics based on the polyphasic analysis indicates strain SM7_A14T as a novel species of genus Marisediminicola for which the name Marisediminicola senii sp. nov., is proposed. The type strain is SM7_A14T (=MCC 4327T=JCM 33936T=LMG 31795T).

Item Type: Article
Subjects: Insect Molecular Biology
Depositing User: Mr. Rameshwar Nema
Date Deposited: 27 Apr 2021 13:52
Last Modified: 27 Apr 2021 13:52
URI: http://nccs.sciencecentral.in/id/eprint/961

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