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  • Title: Streptococcus troglodytae sp. nov., from the chimpanzee oral cavity.
    Author: Okamoto M, Imai S, Miyanohara M, Saito W, Momoi Y, Abo T, Nomura Y, Ikawa T, Ogawa T, Miyabe-Nishiwaki T, Kaneko A, Watanabe A, Watanabe S, Hayashi M, Tomonaga M, Hanada N.
    Journal: Int J Syst Evol Microbiol; 2013 Feb; 63(Pt 2):418-422. PubMed ID: 22447699.
    Abstract:
    Six strains, TKU 25, TKU 28, TKU 30, TKU 31(T), TKU 33 and TKU 34, were isolated from the oral cavity of a chimpanzee (Pan troglodytes). Colonies of strains grown on Mitis-Salivarius agar were similar in morphology to that of Streptococcus mutans. The novel strains were Gram-stain-positive, facultatively anaerobic cocci that lacked catalase activity. Analysis of the partial 16S rRNA gene sequences of these isolates showed that the most closely related strain was the type strain of S. mutans (96.4 %). The next closely related strains to the isolates were the type strains of Streptococcus devriesei (94.5 %) and Streptococcus downei (93.9 %). These isolates could be distinguished from S. mutans by inulin fermentation and alkaline phosphatase activity (API ZYM system). The peptidoglycan type of the novel isolates was Glu-Lys-Ala(3). Strains were not susceptible to bacitracin. On the basis of phenotypic characterization, partial 16S rRNA gene and two housekeeping gene (groEL and sodA) sequence data, we propose a novel taxon, Streptococcus troglodytae sp. nov.; the type strain is TKU 31(T) ( = JCM 18038(T) = DSM 25324(T)).
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