Erythrobacter nanhaisediminis sp. nov., isolated from marine sediment of the South China Sea
A novel Gram-negative, orange-pigmented, slightly halophilic, rod-shaped bacterium, strain T30T, was isolated from sediment from the South China Sea. Phylogenetic analysis showed that strain T30T was a member of the genus Erythrobacter, sharing highest 16S rRNA gene sequence similarities with Erythrobacter aquimaris JCM 12189T (99.5 %) and Erythrobacter vulgaris DSM 17792T (99.0 %). Levels of DNA–DNA relatedness between strain T30T and closely related strains of Erythrobacter species ranged from 14.5 to 56.9 %.The isolate lacked bacteriochlorophyll a and contained ubiquinone-10 as the predominant respiratory lipoquinone. The major fatty acids of this strain were C18 : 1 ω7c (38.2 %) and C16 : 1 ω7c /C16 : 1 ω6c (17.4 %). The major polar lipids were phosphatidylethanolamine, diphosphatidylglycerol, phosphatidylcholine and phosphatidylglycerol. The DNA G+C content of strain T30T was 59.5 mol%. On the basis of phenotypic and phylogenetic data, a novel species, Erythrobacter nanhaisediminis sp. nov., is proposed; the type strain is T30T (=CGMCC 1.7715T=JCM 16125T).