Ponticoccus marisrubri sp. nov., a moderately halophilic marine bacterium of the family Rhodobacteraceae
Type
ArticleAuthors
Zhang, GuishanHaroon, Mohamed
Zhang, Ruifu
Dong, Xiaoyan
Liu, Di
Xiong, Qin
Xun, Weibing
Dong, Xiuzhu
Stingl, Ulrich

KAUST Department
Biological and Environmental Sciences and Engineering (BESE) DivisionMarine Science Program
Office of the VP
Red Sea Research Center (RSRC)
Date
2017-10-06Online Publication Date
2017-10-06Print Publication Date
2017-11-01Permanent link to this record
http://hdl.handle.net/10754/626032
Metadata
Show full item recordAbstract
Strain SJ5A-1T, a Gram-stain-negative, coccus-shaped, non-motile, aerobic bacterium, was isolated from the brine-seawater interface of the Erba Deep in the Red Sea, Saudi Arabia. The colonies of strain SJ5A-1T have a beige to pale-brown pigmentation, are approximately 0.5-0.7 µm in diameter, and are catalase and oxidase positive. Growth occurred optimally at 30-33 °C, pH 7.0-7.5, and in the presence of 9.0-12.0 % NaCl (w/v). Phylogenetic analysis of the 16S rRNA gene indicates that strain SJ5A-1T is a member of the genus Ponticoccus within the family Rhodobacteraceae. Ponticoccus litoralis DSM 18986T is the most closely related described species based on 16S rRNA gene sequence identity (96.7 %). The DNA-DNA hybridization value between strain SJ5A-1T and P. litoralis DSM 18986T was 36.7 %. The major respiratory quinone of strain SJ5A-1T is Q-10; it predominantly uses the fatty acids C18 : 1 (54.2 %), C18 : 0 (11.2 %), C16 : 0 (8.6 %), 11-methyl C18 : 1ω7c (7.7 %), C19 : 0cyclo ω8c (3.3 %), and C12 : 1 3-OH (3.5 %), and its major polar lipids are phosphatidylethanolamine, phosphatidylglycerol, phosphocholine, an unknown aminolipid, an unknown phospholipid and two unknown lipids. The genome draft of strain SJ5A-1T as presented here is 4 562 830 bp in size and the DNA G+C content is 68.0 mol %. Based on phenotypic, phylogenetic and genotypic data, strain SJ5A-1T represents a novel species in the genus Ponticoccus, for which we propose the name Ponticoccus marisrubri sp. nov. The type strain of P. marisrubri is SJ5A-1T (=JCM 19520T=ACCC19863T).Citation
Zhang G, Haroon MF, Zhang R, Dong X, Liu D, et al. (2017) Ponticoccus marisrubri sp. nov., a moderately halophilic marine bacterium of the family Rhodobacteraceae. International Journal of Systematic and Evolutionary Microbiology. Available: http://dx.doi.org/10.1099/ijsem.0.002280.Sponsors
This work was supported by baseline funding from King Abdullah University of Science and Technology (KAUST) and the Saudi Economic and Development Company Research Excellence Award to U.S. Part of this work was supported by the USDA National Institute of Food and Agriculture, Hatch project 1012953.Publisher
Microbiology SocietyPubMed ID
28984559ae974a485f413a2113503eed53cd6c53
10.1099/ijsem.0.002280
Scopus Count
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