veillonella seminalis sp. nov., a novel anaerobic gram-stain-negative coccus from human clinical samples, and emended description of the genus veillonella.ten isolates of unknown, gram-stain-negative, anaerobic cocci were recovered from human clinical samples, mainly from semen. on the basis of their phenotypic features, including morphology, main metabolic end products, gas production, nitrate reduction and decarboxylation of succinate, the strains were identified as members of the genus veillonella. multi-locus sequence analysis and corresponding phylogenies were based on 16s rrna, dnak and rpob genes, and on the newly proposed glta gene. the st ...201425052396
veillonella magna sp. nov., isolated from the jejunal mucosa of a healthy pig, and emended description of veillonella ratti.a bacterium, designated strain lac18(t), was isolated in pure culture from the mucosal jejunum of a healthy pig, using a medium selective for anaerobic lactic acid bacteria and containing porcine gastric mucin as the main carbon and nitrogen source. cells of this strain were coccus-shaped, arranged singly or in pairs and were gram-stain-negative, oxidase-negative, non-spore-forming, anaerobic and microaerotolerant. an analysis based on 16s rrna gene sequences indicated that strain lac18(t) shoul ...200819060053
the genus veillonella iv. serological groupings, and genus and species emendations.rogosa, m. (national institute of dental research, bethesda, md.). the genus veillonella. iv. serological groupings, and genus and species emendations. j. bacteriol. 90:704-709. 1965.-seven serological groups of veillonella were found. the generic and species descriptions are enlarged and corrected. the type species is veillonella parvula (veillon and zuber) prévot, 1933. the proposed species, subspecies (infraspecific serogroups), and american type culture collection (atcc) type strains are: ve ...196516562069
molecular identification of the first human isolate belonging to the veillonella ratti-veillonella criceti group based on 16s rdna and dnak gene sequencing.anaerobic gram-negative cocci belonging to the genus veillonella are currently subdivided into eight species. among them, four have been isolated either from human flora or from clinical samples during infectious processes: veillonella atypica, v. dispar, v. parvula and v. montpellierensis. to date, the four other species have only been found in animals. in particular, v. ratti and v. criceti, since their characterization, have been exclusively reported from mouth and intestine of rodents. we re ...200515862461
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