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Title: Veillonella infantium sp. Nov., an anaerobic, gram-stain-negative coccus isolated from tongue biofilm of a thai child
Authors: Izumi Mashima
Yu Chieh Liao
Hiroshi Miyakawa
Citra F. Theodorea
Boonyanit Thawboon
Sroisiri Thaweboon
Frank A. Scannapieco
Futoshi Nakazawa
Universitas Indonesia
University at Buffalo, State University of New York
Health Sciences University of Hokkaido
Japan Society for the Promotion of Science
Mahidol University
National Health Research Institutes Taiwan
Keywords: Agricultural and Biological Sciences;Immunology and Microbiology
Issue Date: 1-Apr-2018
Citation: International Journal of Systematic and Evolutionary Microbiology. Vol.68, No.4 (2018), 1101-1106
Abstract: © 2018 IUMS. A strain of a novel anaerobic, Gram-stain-negative coccus was isolated from the tongue biofilm of a Thai child. This strain was shown, at the phenotypic level and based on 16S rRNA gene sequencing, to be a member of the genus Veillonella. Comparative analysis of the 16S rRNA, dnaK and rpoB gene sequences indicated that phylogenetically the strain comprised a distinct novel branch within the genus Veillonella. The novel strain showed 99.8, 95.1 and 95.9% similarity to partial 16S rRNA, dnaK and rpoB gene sequences, respectively, to the type strains of the two most closely related species, Veillonella dispar ATCC 17748Tand Veillonella tobetsuensis ATCC BAA-2400T. The novel strain could be discriminated from previously reported species of the genus Veillonella based on partial dnaK and rpoB gene sequencing and average nucleotide identity values. The major acid end-product produced by this strain was acetic acid under anaerobic conditions in trypticase-yeast extract-haemin with 1% (w/v) glucose or fructose medium. Lactate was fermented to acetic acid and propionic acid. Based on these observations, this strain represents a novel species, for which the name Veillonella infantium sp. nov. is proposed. The type strain is T11011-4T (=JCM 31738T=TSD-88T).
ISSN: 14665026
Appears in Collections:Scopus 2018

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