Erythrobacter marinus sp. nov., isolated from seawater

Author:

Jung Yong-Taek12,Park Sooyeon2,Oh Tae-Kwang2,Yoon Jung-Hoon3

Affiliation:

1. University of Science and Technology (UST), 113 Gwahangno, Yuseong, Daejeon 305-350, Republic of Korea

2. Korea Research Institute of Bioscience and Biotechnology (KRIBB), PO Box 115, Yuseong, Daejeon 306-809, Republic of Korea

3. Department of Food Science and Biotechnology, Sungkyunkwan University, Jangan-gu, Suwon, Gyeonggi-do 440-746, Republic of Korea

Abstract

A Gram-negative, non-motile, ovoid to rod-shaped bacterium, designated strain HWDM-33T, was isolated from seawater of the Yellow Sea, Korea, and was subjected to a polyphasic taxonomic study. Strain HWDM-33T grew optimally at pH 7–8, at 25 °C and in the presence of 2–3 % (w/v) NaCl. Neighbour-joining, maximum-likelihood and maximum-parsimony phylogenetic trees based on 16S rRNA gene sequences showed that strain HWDM-33T clustered with Erythrobacter gangjinensis K7-2T, with which it shared 96.9 % sequence similarity. Strain HWDM-33T exhibited 94.2–95.8 % 16S rRNA gene sequence similarity to the type strains of other recognized species of the genus Erythrobacter . Strain HWDM-33T contained Q-10 as the predominant ubiquinone and C18 : 1ω7c, C17 : 1ω6c, and C16 : 1ω7c and/or iso-C15 : 0 2-OH as the major fatty acids. The major polar lipids were sphingoglycolipid, phosphatidylglycerol, phosphatidylcholine, phosphatidylethanolamine and an unidentified lipid. The DNA G+C content of strain HWDM-33T was 66.1 mol%. Differential phenotypic properties and phylogenetic distinctiveness demonstrated that strain HWDM-33T was separate from E. gangjinensis and other recognized species of the genus Erythrobacter . On the basis of the data presented here, strain HWDM-33T represents a novel species of the genus Erythrobacter , for which the name Erythrobacter marinus sp. nov. is proposed. The type strain is HWDM-33T ( = KCTC 23554T  = CCUG 60528T).

Funder

Ministry of Education, Science and Technology

Program for Collection, Management and Utilization of Biological Resources

21C Frontier Program of Microbial Genomics and Applications

Publisher

Microbiology Society

Subject

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

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