Erythrobacter pelagi sp. nov., a member of the family Erythrobacteraceae isolated from the Red Sea

H.-x. Wu, P. Y. Lai, O. O. Lee, X.-j. Zhou, L. Miao, H. Wang, P.-Y. Qian

Research output: Contribution to journalArticlepeer-review

22 Scopus citations


A novel Gram-negative, aerobic, catalase- and oxidase-positive, non-sporulating, non-motile, rod-shaped bacterium, designated strain UST081027-248(T), was isolated from seawater of the Red Sea. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain UST081027-248(T) fell within the genus Erythrobacter. Levels of 16S rRNA gene sequence similarity between the novel strain and the type strains of Erythrobacter species ranged from 95.3% (with Erythrobacter gangjinensis) to 98.2% (with Erythrobacter citreus). However, levels of DNA-DNA relatedness between strain UST081027-248(T) and the type strains of closely related species were below 70%. Optimal growth of the isolate occurred in the presence of 2.0% NaCl, at pH 8.0-9.0 and at 28-36 degrees C. The isolate did not produce bacteriochlorophyll a. The predominant cellular fatty acids were C-17:1 omega 6c, summed feature 8 (C-18:1 omega 6c and/or C-18:1 omega 7c) and C-15:0 2-OH. The genomic DNA G+C content of strain UST081027-248(T) was 60.4 mol%. Phenotypic properties and phylogenetic distinctiveness clearly indicated that strain UST081027-248(T) represents a novel species of the genus Erythrobacter, for which the name Erythrobacter pelagi sp. nov. is proposed. The type strain is UST081027-248(T) (=JCM 17468(T)=NRRL 59511(T)).
Original languageEnglish (US)
Pages (from-to)1348-1353
Number of pages6
Issue numberPt 6
StatePublished - Aug 5 2011
Externally publishedYes

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledged KAUST grant number(s): KAUST005-CML07/08, KAUST005-CML08
Acknowledgements: We are grateful to the captain and crew of the R/V Oceanus for providing technical help during sampling. This study was supported by grants from the KAUST Global Partnership Program (KAUST005-CML07/08) to P.-Y. Q. and from Leading Academic Discipline Project of Shanghai Municipal Education Commission (J50701) to H.-x. W.


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