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Salinimicrobium nanhaiense sp. nov. and Salinimicrobium oceani sp. nov., two novel species of the family Flavobacteriaceae isolated from the South China Sea.
Cao, Wen-Rui; Zhang, Lan-Zeng; Hu, Yi-Hao; Jiang, Ming-Yu; Li, Ying-Jie.
Afiliação
  • Cao WR; Key Laboratory of Marine Geology and Environment, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, PR China.
  • Zhang LZ; State Key Laboratory of Microbial Technology, Shandong University, Qingdao, 266237, PR China.
  • Hu YH; University of Chinese Academy of Sciences, Beijing, PR China.
  • Jiang MY; Key Laboratory of Marine Geology and Environment, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, PR China.
  • Li YJ; Key Laboratory of Marine Geology and Environment, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, PR China.
Int J Syst Evol Microbiol ; 70(10): 5263-5270, 2020 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-32821036
ABSTRACT
Strains J15B81-2T and J15B91T were isolated from a sediment sample collected from the South China Sea. Cells of both strains were observed to be rod-shaped, non-gliding, Gram-stain-negative, yellow-pigmented, facultatively anaerobic, catalase-positive, oxidase-negative and showing optimum growth at 30 °C. Strains J15B81-2T and J15B91T could tolerate up to 9 and 10  % (w/v) NaCl concentration and grow at pH 6.5-9.5 and 6.0-9.0, respectively. The strains shared 97.4 % 16S rRNA gene sequence similarity to each other but were identified as two distinct species based on 81.1-85.8 % ANIb and 31.5 % dDDH values calculated using whole genome sequences. Strains J15B81-2T and J15B91T shared highest 16S rRNA gene sequence similarity to Salinimicrobium xinjiangense CGMCC 1.12522T (98.4 %) and Salinimicrobium sediminis CGMCC 1.12641T (98.0 %), respectively. Among species with validly published names, S. sediminis CGMCC 1.12641T shared close genetic relatedness with strains J15B81-2T [85.1-85.3% average nucleotide identity based on blastBlast+ (ANIb) and 30.6 % digital DNA-DNA hybridization (dDDH)] and J15B91T (76.6-79.1 % ANIb and 21.5 % dDDH). The major fatty acid of strains J15B81-2T and J15B91T were identified as iso-C15  0 and iso-C16  0, respectively, and the major polar lipids of the two strains consisted of phosphatidylethanolamine, one unidentified phospholipid, one unidentified aminolipid and one unidentified lipid. The strains contained MK-6 as their predominant menaquinone. The genomic G+C contents of strains J15B81-2T and J15B91T were determined to be 41.7 and 41.8 mol %, respectively. Both strains are considered to represent two novel species of the genus Salinimicrobium and the names Salinimicrobium nanhaiense sp. nov. and Salinimicrobium oceani sp. nov. are proposed for strains J15B81-2T (=KCTC 72867T=MCCC 1H00410T) and J15B91T (=KCTC 72869T=MCCC 1H00411T), respectively.
Assuntos
Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: MEDLINE Assunto principal: Filogenia / Água do Mar / Sedimentos Geológicos / Flavobacteriaceae País/Região como assunto: Ásia Idioma: Inglês Revista: Int J Syst Evol Microbiol Assunto da revista: Microbiologia Ano de publicação: 2020 Tipo de documento: Artigo

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Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: MEDLINE Assunto principal: Filogenia / Água do Mar / Sedimentos Geológicos / Flavobacteriaceae País/Região como assunto: Ásia Idioma: Inglês Revista: Int J Syst Evol Microbiol Assunto da revista: Microbiologia Ano de publicação: 2020 Tipo de documento: Artigo
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