Thaumasiovibrio occultus gen. nov. sp. nov. and Thaumasiovibrio subtropicus sp. nov. within the family Vibrionaceae, isolated from coral reef seawater off Ishigaki Island, Japan

Amin AKMR 1 , Tanaka M 1 , Al-Saari N 2 , Feng G 1 , Mino S 1 , Ogura Y 3 Show all authors , Hayashi T 3 , Meirelles PM 4 , Thompson FL 4 , Gomez-Gil B 5 , Sawabe T 6 , Sawabe T 7

Affiliations 

  • 1 Laboratory of Microbiology, Faculty of Fisheries, Hokkaido University, Hakodate, Japan
  • 2 Laboratory of Microbiology, Faculty of Fisheries, Hokkaido University, Hakodate, Japan; Institute of Bioscience (IBS), Universiti Putra Malaysia (UPM), Serdang, Malaysia
  • 3 Department of Bacteriology, Faculty of Medical Sciences, Kyushu University, Fukuoka-shi, Fukuoka, Japan
  • 4 Institute of Biology, SAGE-COPPE, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
  • 5 JapangCIAD, AC Mazatlan Unit for Aquaculture and Environmental Management, AP 711 Mazatlán, Sinaloa, Mexico
  • 6 Department of Food and Nutrition, Hakodate Junior College, Hakodate, Japan
  • 7 Laboratory of Microbiology, Faculty of Fisheries, Hokkaido University, Hakodate, Japan. Electronic address: sawabe@fish.hokudai.ac.jp
Syst Appl Microbiol, 2017 Jul;40(5):290-296.
PMID: 28648725 DOI: 10.1016/j.syapm.2017.04.003

Abstract

Two phylogenetically distinct Vibrionaceae strains C4II189Tand C4V358Tisolated from reef seawater off Ishigaki Island, Japan, in 2014 were studied with advanced genome-based taxonomy approaches. All aspects of phylogenetic (16S rRNA phylogeny, MLSA), phenotypic and genetic (ANI, DDH, AAI, and the number of core genes) cohesions between the two identified species were high enough to propose them as members of a new genus within the family Vibrionaceae. Consequently, an eighth genus Thaumasiovibrio gen. nov. is proposed that contains two new species Thaumasiovibrio occultus sp. nov. strain C4II189T(=DSM 101554T=JCM 31629T) (type species) and Thaumasiovibrio subtropicus sp. nov. strain C4V358T(=DSM 101555T=JCM 31630T). Thaumasiovibrio species were phylogenetically distinct from the other Vibrionaceae species based on pyrH gene sequences. The combination of catalase negative, sensitivity to vibriostatic agent O/129, and green colony formation on TCBS for the phylogenetically affiliated strains was the diagnostic features for the current tentative identification of this genus.

* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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