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Muricauda hadalis sp. nov., a novel piezophile isolated from hadopelagic water of the Mariana Trench and reclassification of Muricauda antarctica as a later heterotypic synonym of Muricauda teanensis.
Zhang, Yan; Gao, Yuxin; Pei, Jiahao; Cao, Junwei; Xie, Zhe; Liu, Rulong; Wang, Li; Wei, Yuli; Fang, Jiasong.
Afiliação
  • Zhang Y; National Engineering Research Centre for Oceanic Fisheries, Shanghai Ocean University, Shanghai 201306, PR China.
  • Gao Y; Shanghai Engineering Research Center of Hadal Science and Technology, College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, PR China.
  • Pei J; College of Fisheries and Life Sciences, Shanghai Ocean University, Shanghai 201306, PR China.
  • Cao J; Shanghai Engineering Research Center of Hadal Science and Technology, College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, PR China.
  • Xie Z; Shanghai Engineering Research Center of Hadal Science and Technology, College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, PR China.
  • Liu R; Shanghai Engineering Research Center of Hadal Science and Technology, College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, PR China.
  • Wang L; Shanghai Engineering Research Center of Hadal Science and Technology, College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, PR China.
  • Wei Y; Shanghai Engineering Research Center of Hadal Science and Technology, College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, PR China.
  • Fang J; National Engineering Research Centre for Oceanic Fisheries, Shanghai Ocean University, Shanghai 201306, PR China.
Int J Syst Evol Microbiol ; 70(7): 4315-4320, 2020 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-32579094
ABSTRACT
A novel marine Gram-stain-negative, non-motile, aerobic and rod-shaped bacterium, designated as strain MT-229T, was isolated from the deep seawater in the Mariana Trench and characterized phylogenetically and phenotypically. Bacterial optimal growth occurred at 30 °C (ranging 10-40 °C), pH 6 (ranging 3-11) and with 11 % (w/v) NaCl (ranging 0-17 %). Strain MT-229T was a piezophile, growing optimally at 20 MPa (range 0.1-70 MPa). The nearest phylogenetic neighbours were Muricauda antarctica CGMCC 1.2174T and Muricauda taeanensis JCM 17757T with 16S rRNA gene similarity of 98.7 %. The sole respiratory quinone was menaquinone-6 (MK-6). The major polar lipids were phosphatidylethanolamine (PE), two unidentified aminolipids (AL) and ten unidentified lipids. The major fatty acids of strain MT-229T were iso-C15  0, iso-C17  0 3-OH and iso-C15  1 G. The G+C content of the genomic DNA was 45.6 mol%. The combined genotypic and phenotypic data indicated that strain MT-229T represents a novel species of the genus Muricauda, for which the name Muricauda hadalis sp. nov. is proposed, with the type strain MT-229T (=DSM 109894T=MCCC 1K04201T). In addition, the whole-genome-based comparisons revealed that the type strains of Muricauda antarctica and Muricauda teanensis belong to a single species. It is, therefore, proposed that M. antarctica be recognized as a heterotypic synonym of M. teanensis.
Assuntos
Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: MEDLINE Assunto principal: Filogenia / Água do Mar / Flavobacteriaceae 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 / Flavobacteriaceae Idioma: Inglês Revista: Int J Syst Evol Microbiol Assunto da revista: Microbiologia Ano de publicação: 2020 Tipo de documento: Artigo