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  • Title: Polyphasic taxonomic analysis of Paracoccus ravus sp. nov., an alphaproteobacterium isolated from marine sediment.
    Author: Yoon J, Maharjan S, Choi H.
    Journal: FEMS Microbiol Lett; 2019 Aug 01; 366(15):. PubMed ID: 31511875.
    Abstract:
    Polyphasic taxonomic analysis was performed on a novel marine bacterium, designated as strain YJ057T, isolated from marine sediment collected in the Republic of Korea. The strain was Gram-negative, beige-colored, facultatively anaerobic, coccoid or ovoid-shaped and nonmotile. Preliminary 16S rRNA gene sequence-based phylogenetic analysis indicated that this novel marine isolate belongs to the family Rhodobacteraceae of the class Alphaproteobacteria, and has the greatest (96.2%) sequence similarity to Paracoccus aestuariivivens GHD-30T. Major (>10%) fatty acids of strain YJ057T were C16:0 and C18:1 ω7c, G+C content in the genomic DNA of the strain was 63.6 mol% and the sole respiratory quinone was ubiquinone Q-10. It had phosphatidylglycerol, diphosphatidylglycerol, phosphatidylcholine and some unidentified components (three aminolipids, a glycolipid, a phospholipid and two lipids). As per the distinct phylogenetic position and combination of phenotypic and genotypic traits, the strain is considered a novel species of the genus Paracoccus, and the name Paracoccus ravus sp. nov. is proposed.
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