Altererythrobacter confluentis sp nov., isolated from water of an estuary environment

作者：Park Sooyeon; Jung Yong Taek; Park Ji Min; Yoon Jung Hoon^*

来源：International Journal of Systematic and Evolutionary Microbiology, 2016, 66(10): 4002-4008.

DOI：10.1099/ijsem.0.001301

A Gram-stain-negative, aerobic, non-motile and ovoid or rod-shaped bacterial strain, designated KEM-4(T), was isolated from water of an estuary environment on the Yellow Sea, South Korea, and subjected to a polyphasic taxonomic study. Strain KEM-4(T) grew optimally at pH 7.0-8.0, at 30 degrees C and in the presence of 1.0-2.0% (w/v) NaCl. The phylogenetic trees based on 16S rRNA gene sequences showed that strain KEM-4(T) fell within the clade comprising the type strains of species of the genus Altererythrobacter, clustering with the type strains of Altererythrobacter aestiaquae, Altererythrobacter gangjinensis and Altererythrobacter luteolus, showing 95.0-96.5% sequence similarity. Sequences similarities to the type strains of the other species of the genus Altererythrobacter were 93.1-95.1 %. Strain KEM-4(T) contained Q-10 as the predominant ubiquinone and C-18:1 omega 7c, summed feature 3 (C-16:1 omega 6c and/or C-16:1 omega 7c) and C-17:1 omega 6c as the major fatty acids. The major polar lipids were phosphatidylcholine, phosphatidylethanolamine, phosphatidylglycerol and sphingoglycolipid. The DNA G+C content of strain KEM-4(T) was 59.5 mol%. Differential phenotypic properties, together with the phylogenetic distinctiveness, revealed that strain KEM-4(T) is separated from species of the genus Altererythrobacter with validly published names. On the basis of the data presented, strain KEM-4(T) is considered to represent a novel species of the genus Altererythrobacter, for which the name Altererythrobacter confluentissp. nov. is proposed. The type strain is KEM-4(T) (= KCTC 52259(T) = NBRC 112305(T)).

• 出版日期2016-10