Sneathiella sedimenti sp. nov., isolated from marine sediment

Author:

Lee Yunjeong1ORCID,Weerawongwiwat Veeraya1,Kim Jong-Hwa1ORCID,Yoon Jung-Hoon2,Suh Min Kuk3,Kim Han Sol3,Lee Jung-Sook3,Sukhoom Ampaitip4,Kim Wonyong1

Affiliation:

1. Department of Microbiology, Chung-Ang University College of Medicine, Seoul, Republic of Korea

2. Department of Food Science and Biotechnology, Sungkyunkwan University, Suwon, Republic of Korea

3. Korean Collection for Type Cultures, Korea Research Institute of Bioscience and Biotechnology, Jeongeup, Republic of Korea

4. Division of Biological Science, Faculty of Science, Prince of Songkla University, Songkhla, Thailand

Abstract

A novel bacterium, designated CAU 1612T, was isolated from coastal sediment sampled in the Republic of Korea. Cells of the strain were Gram-stain-negative, rod-shaped and motile. Optimum growth occurred at 30 °C, at pH 7.0 and with 1.0 % (w/v) NaCl. Based on 16S rRNA gene sequences, phylogenetic analysis revealed that strain CAU 1612T belonged to the genus Sneathiella and showed highest similarity to ‘Sneathiella litorea’ JCM 33810T (98.5 %), followed by Sneathiella chungangensis KCTC 32476T (97.7 %), Sneathiella aquimaris KCTC 12842T (96.0 %), Sneathiella chinensis LMG 23452T (95.5 %), Sneathiella limimaris KCTC 52846T (95.5 %) and Sneathiella glossodoripedis KCTC 12842T (95.4 %). The average nucleotide identity and digital DNA–DNA hybridization values of strain CAU 1612T were estimated to be 68.5–81.7 % and ≤23.7 %, respectively, to members of the genus Sneathiella . The DNA G+C content was 54.1 mol%. The major cellular fatty acids (>10 %) were C16:0, C19 : 0 cyclo ω8c and summed feature 8 (C18 : 1  ω7c and/or C18 : 1  ω6c). The major menaquinone was Q-10 and the predominant polar lipids were phosphatidylmethylethanolamine, phosphatidylethanolamine and phosphatidylglycerol. On the basis of taxonomic evidence, strain CAU 1612T represents a novel species, for which the name Sneathiella sedimenti sp. nov. is proposed. The type strain is CAU 1612T (=KCTC 82427T=MCCC 1K06082T).

Funder

Ministry of Environment of the Republic of Korea

Chung-Ang University

Publisher

Microbiology Society

Subject

General Medicine,Ecology, Evolution, Behavior and Systematics,Microbiology

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