Neokomagataea gen. nov., with descriptions of Neokomagataea thailandica sp. nov. and Neokomagataea tanensis sp. nov., osmotolerant acetic acid bacteria of the α-Proteobacteria

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  • YUKPHAN Pattaraporn
    BIOTEC Culture Collection (BCC), National Center for Genetic Engineering and Biotechnology (BIOTEC)
  • MALIMAS Taweesak
    BIOTEC Culture Collection (BCC), National Center for Genetic Engineering and Biotechnology (BIOTEC)
  • MURAMATSU Yuki
    Biological Resource Center (NBRC), Department of Biotechnology, National Institute of Technology and Evaluation (NITE)
  • POTACHAROEN Wanchern
    BIOTEC Culture Collection (BCC), National Center for Genetic Engineering and Biotechnology (BIOTEC)
  • TANASUPAWAT Somboon
    Department of Microbiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University
  • NAKAGAWA Yasuyoshi
    Biological Resource Center (NBRC), Department of Biotechnology, National Institute of Technology and Evaluation (NITE)
  • TANTICHAROEN Morakot
    BIOTEC Culture Collection (BCC), National Center for Genetic Engineering and Biotechnology (BIOTEC)
  • YAMADA Yuzo
    BIOTEC Culture Collection (BCC), National Center for Genetic Engineering and Biotechnology (BIOTEC)

書誌事項

タイトル別名
  • Neokomagataea gen. nov., with Descriptions of Neokomagataea thailandica sp. nov. and Neokomagataea tanensis sp. nov., Osmotolerant Acetic Acid Bacteria of the .ALPHA.-Proteobacteria
  • Neokomagataea gen nov with descriptions of Neokomagataea thailandica sp nov and Neokomagataea tanensis sp nov osmotolerant acetic acid bacteria of the a Proteobacteria
  • <i>Neokomagataea</i>gen. nov., with Descriptions of<i>Neokomagataea thailandica</i>sp. nov. and<i>Neokomagataea tanensis</i>sp. nov., Osmotolerant Acetic Acid Bacteria of the α-<i>Proteobacteria</i>

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Isolates AH11T and AH13T were isolated from flowers of lantana and candle bush respectively collected in Thailand. In phylogenetic trees based on 16S rRNA gene sequences, the two isolates formed an independent cluster, which was then connected to the type strain of Saccharibacter floricola. The calculated pair-wise 16S rRNA gene sequence similarities of isolate AH11T were 95.7–92.3% to the type strains of the type species of the 12 genera of acetic acid bacteria. The DNA base composition was from 51.2 to 56.8 mol % G+C, with a range of 5.6 mol %. When isolate AH11T was labeled, DNA-DNA similarities were 100, 12, 4, 5, and 4% respectively to isolates AH11T and AH13T and the type strains of Saccharibacter floricola, Gluconobacter oxydans, and Acetobacter aceti. The two isolates were non-motile and did not oxidize either acetate or lactate. No growth was found in the presence of 0.35% acetic acid w/v. The two isolates were not osmophilic but osmotolerant, produced 2,5-diketo-D-gluconate from D-glucose, and did not oxidize lactate, thus differing from strains of Saccharibacter floricola, which showed weak lactate oxidation. The two isolates contained unsaturated C18:1ω7c fatty acid as the major fatty acid, and were unique in the presence of a considerable amount of straight-chain C18:12OH fatty acid. Q-10 was present as the major isoprenoid quinone. Neokomagataea gen. nov. was proposed with the two species, Neokomagataea thailandica sp. nov. for isolate AH11T (=BCC 25710T=NBRC 106555T), which has 56.8 mol % G+C, and Neokomagataea tanensis sp. nov. for isolate AH13T (=BCC 25711T=NBRC 106556T), which has 51.2 mol % G+C.

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