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  • Title: Roseovarius amoyensis sp. nov. and Muricauda amoyensis sp. nov., isolated from the Xiamen coast.
    Author: Li G, Lai Q, Yan P, Shao Z.
    Journal: Int J Syst Evol Microbiol; 2019 Oct; 69(10):3100-3108. PubMed ID: 31329092.
    Abstract:
    Strain GCL-8T and GCL-11T were isolated from Guanyinshan, a sandy beach on the Xiamen coast. Cells of the two strains were Gram-stain-negative, catalase-positive, oxidase-positive, rod-shaped and non-motile. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strains GCL-8T and GCL-11T belonged to the genera Roseovarius and Muricauda, with the highest sequence similarities to Roseovarius indicus B108T (96.5%) and Muricauda antarctica CGMCC 1.12174T (97.3%), respectively. The major fatty acids of strain GCL-8T were summed feature 8 (C18:1ω7c/ω6c), C19:0cyclo ω8c, C16:0 and C17:0, while the major fatty acids of strain GCL-11T were iso-C15:1 G, iso-C15:0 and iso-C17:0 3-OH. The G+C contents of the chromosomal DNA of strains GCL-8Tand GCL-11T were 64.1 mol% and 45.67 mol%, respectively. The respiratory quinones of strains GCL-8T and GCL-11T were Q-10 and MK-6, respectively. The polar lipids of strain GCL-8T were diphosphatidylglycerol, phosphatidylcholine, phosphatidylethanolamine, phosphatidylglycerol, one unidentified aminophospholipid, one unidentified aminolipid, three unidentified phospholipids and three unidentified polar lipids. The polar lipids of strain GCL-11Twere phosphatidylethanolamine, seven unidentified phospholipids and four unidentified polar lipids. The combined genotypic and phenotypic data show that strains GCL-8T and GCL-11T represent two novel species within genera Roseovarius and Muricauda, for which the names Roseovariu samoyensis sp. nov. and Muricauda amoyensis sp. nov. are proposed, with type strains GCL-8T (=MCCC 1A11651T = KCTC 52430T) and GCL-11T (=MCCC 1A11649T=KCTC 52432T).
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