Streptococcus bovimastitidis sp. nov., isolated from a dairy cow with mastitis

International Journal of Systematic and Evolutionary Microbiology
Stefan P W de VriesMark A Holmes

Abstract

Here we describe a new species of the genus Streptococcus that was isolated from a dairy cow with mastitis in New Zealand. Strain NZ1587T was Gram-positive, coccus-shaped and arranged as chains, catalase and coagulase negative, γ-haemolytic and negative for Lancefield carbohydrates (A-D, F and G). The 16S rRNA sequence did not match sequences in the NCBI 16S rRNA or GreenGenes databases. Taxonomic classification of strain NZ1587T was investigated using 16S rRNA and core genome phylogeny, genome-wide average nucleotide identity (ANI) and predicted DNA-DNA hybridisation (DDH) analyses. Phylogeny based on 16S rRNA was unable to resolve the taxonomic position of strain NZ1587T, however NZ1587T shared 99.4 % identity at the 16S rRNA level with a distinct branch of S. pseudoporcinus. Importantly, core genome phylogeny demonstrated that NZ1587T grouped amongst the 'pyogenic' streptococcal species and formed a distinct branch supported by a 100 % bootstrap value. In addition, average nucleotide identity and inferred DNA-DNA hybridisation analyses showed that NZ1587T represents a novel species. Biochemical profiling using the rapid ID 32 strep identification test enabled differentiation of strain NZ1587T from closely related streptococc...Continue Reading

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Citations

Mar 14, 2018·International Journal of Systematic and Evolutionary Microbiology·Maria Soledad Morales-CovarrubiasBruno Gomez-Gil
Sep 18, 2020·International Journal of Systematic and Evolutionary Microbiology·Kristin MühldorferTobias Eisenberg
Jun 30, 2019·Antonie van Leeuwenhoek·Kristin MühldorferTobias Eisenberg
May 10, 2020·Current Microbiology·Yuxin WangJian He

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