Sharma, A. and Jani, K. and Feng, G.D. and Karodi, P. and Vemuluri, V.R. and Zhu, H.H. and Shivaji, S. and Thite, V. and Kajale, S. and Rahi, P. and Shouche, Y. (2018) Subsaxibacter sediminis sp. nov., isolated fromArctic glacial sediment and emended description of the genus Subsaxibacter. International Journal of Systematic and Evolutionary Microbiology, 68. pp. 1678-1682.

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Abstract

A Gram-stain-negative, yellowish-orange pigmented, rod-shaped, motile bacterium, designated strain ARC111T, was isolated from sediment of Arctic permafrost at Midtre Lovénbreen glacier, Svalbard. 16S rRNA gene based identification of strain ARC111T demonstrated highest sequence similarities to Subsaxibacter broadyi P7T (97.8 %) and Subsaxibacter arcticus JCM30334T (97.5 %) and ≤95.2 % with all other members of the family Flavobacteriaceae . Phylogenetic analysis revealed the distinct positioning of strain ARC111T within the genus Subsaxibacter . The G+C content of ARC111T was 37.8±0.5 mol% while DNA–DNA hybridization depicted 35.6 % relatedness with S. arcticus JCM30334T. Strain ARC111T had C15 : 0iso, C16 : 0iso 3-OH, C15 : 1iso G, C15 : 0anteiso, C16 : 1iso H and C17 : 0iso 3-OH as major (>5 % of the total) cellular fatty acids and MK-6 was the predominant respiratory quinone. The polar lipid profile of strain ARC111T consisted of phosphatidylethanolamine, aminolipid and an unidentified lipid. Strain ARC111T harboured sym-homospermidine as the major polyamine. Characteristic differences obtained using polyphasic analysis of strain ARC111T and its closest relatives suggested that strain ARC111T is a novel species of genus Subsaxibacter , for which the name Subsaxibacter sediminis sp. nov. has been proposed. The type strain is ARC111T (=MCC 3191T=KCTC 42965T=LMG 29783T=GDMCC 1.1201T).

Item Type:	Article
Depositing User:	Mr. Rameshwar Nema
Date Deposited:	13 Feb 2020 11:18
Last Modified:	13 Feb 2020 11:18
URI:	http://nccs.sciencecentral.in/id/eprint/642

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