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  • Title: Streptococcus entericus sp. nov., isolated from cattle intestine.
    Author: Vela AI, Fernández E, Lawson PA, Latre MV, Falsen E, Domínguez L, Collins MD, Fernández-Garayzábal JF.
    Journal: Int J Syst Evol Microbiol; 2002 Mar; 52(Pt 2):665-9. PubMed ID: 11931181.
    Abstract:
    Biochemical, molecular chemical and molecular genetic studies were performed on an unknown gram-positive, catalase-negative, coccus-shaped organism isolated from the intestine of a cow affected with catarrhal enteritis. The organism was tentatively identified as a streptococcal species based on results of cellular morphological and biochemical tests. 16S rRNA gene sequencing studies confirmed its provisional identification as a member of the genus Streptococcus, but the organism did not correspond to any recognized species of this genus. The nearest phylogenetic relatives of the unknown coccus from a calf were Streptococcus acidominimus and Streptococcus suis. The unknown bacterium, however, was distinguished from these species and other animal streptococci by biochemical tests and electrophoretic analysis of whole-cell proteins. Based on both phenotypic and phylogenetic findings, it is proposed that the unknown bacterium be classified as a novel species of the genus Streptococcus, Streptococcus entericus sp. nov. The type strain is CECT 5353T (= CCUG 44616T).
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