Abyssisolibacter fermentans gen. nov. sp. nov., isolated from deep sub-seafloor sediment

Wonduck Kim; Jung-Hyun Lee; Kae Kyoung Kwon

doi:10.1007/s12275-016-6048-1

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Abyssisolibacter fermentans gen. nov. sp. nov., isolated from deep sub-seafloor sediment: Wonduck Kim , Jung-Hyun Lee , Kae Kyoung Kwon; Journal of Microbiology 2016;54(5):347-352.
DOI: https://doi.org/10.1007/s12275-016-6048-1
Published online: April 20, 2016

Marine Biotechnology Research Center, Korea Institute of Ocean Science and Technology, Ansan, 15627, Republic of KoreaMarine Biotechnology Research Center, Korea Institute of Ocean Science and Technology, Ansan, 15627, Republic of Korea

Corresponding author: Kae Kyoung Kwon , Tel: +82-31-400-6242,

Received: 29 January 2016 • Revised: 8 March 2016 • Accepted: 11 March 2016

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Abstract

A Gram-staining-negative, thin rod-shaped, anaerobic bacterium designated MCWD3T was isolated from sediment of the deep sea in Ulleung Basin, East Sea, Korea. The ranges of temperature, pH and NaCl for growth of this strain were 15– 40°C (optimum 29°C), 5.0–10.0 (optimum pH 6.5), and 1–5%, respectively. The major fatty acids were iso-C15:0 (30%) and iso-C15:0 dimethyl acetal (17%). The major polar lipids were diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, and unidentified aminophospholipids, phospholipids, and aminolipids. The fermentation product from yeast extract was acetate. Phylogenetic analysis based on 16S rRNA genes indicated that the isolate was related to Sporosalibacterium faouarense (92.8% sequence identity), Clostridiisalibacter paucivorans (92.6%), and Brassicibacter mesophilus (92.4%). However, the isolate was differentiated from these genera by both physiological and chemotaxonomical properties. On the basis of a polyphasic taxonomic analysis, we propose that MCWD3T represents a novel taxon with the name Abyssisolibacter fermentans gen. nov. sp. nov.

Keywords: polyphasic taxonomy;Clostridiaceae;deep marine sediment;Abyssisolibacter fermentans gen. nov. sp. nov.

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Abyssisolibacter fermentans gen. nov. sp. nov., isolated from deep sub-seafloor sediment

J. Microbiol. 2016;54(5):347-352. Published online April 20, 2016

DOI: https://doi.org/10.1007/s12275-016-6048-1

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