Strains from subclinical mastitis, from the genital tract and tonsils of cattle, from tonsils of a goat and a cat and from the crop and the respiratory tract of canaries were found to constitute a new streptococcal species, for which the name sp. nov. is proposed. Sequencing of 16S rRNA showed that and were its closest known phylogenetic relatives. The new species showed some phenotypic resemblance to the poorly described species , but whole-cell protein analysis and 16S rRNA sequencing revealed that the new species was only distantly related to the type strain of Identification of these bacteria, which showed heterogeneous biochemical reaction patterns, was most reliably made by whole-cell protein analysis. Nevertheless, a number of biochemical reactions can be used to differentiate from other animal streptococci. Strain LMG 14177, isolated from mastitic milk of a dairy cow, was designated as the type strain of sp. nov.


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