Example sentences for: pyogenes

How can you use “pyogenes” in a sentence? Here are some example sentences to help you improve your vocabulary:

  • The ability of biological pressures in the mouse to select stable variants of S. pyogenes expressing different patterns of virulence factors suggest the existence of more complex regulatory pathway than is currently envisaged.

  • An 100 μL aliquot was cultured on blood agar plates to determine if S. pyogenes were present.

  • In related studies, the selection of stable variants of either wild type or mutant S. pyogenes isolates was not consistently observed when the organism was injected i.p.

  • The biological selection of phenotypic revertants of variants of S. pyogenes from populations with defined mutations in key regulators or promoter regions of putative virulence genes is likely to provide key insights into the pathogenesis of host-bacterial interactions.

  • For this purpose, we used five closely related genomes in the enterobacteria group: E. coli O157:H7 EDL933 [ 11 ] , E. coli O157:H7 Sakaï [ 29 ] , E. coli K12 [ 30 ] , Salmonella enterica [ 31 ] , and S. typhimurium LT2 [ 10 ] ; three closely related genomes in the alpha-proteobacteria group: Helicobacter pylori J99 [ 32 ] , H. pylori 26695 [ 33 ] , and Campylobacter jejunii [ 34 ] ; and three closely related genomes in the Streptococcus genus: S. pneumoniae R6 [ 35 ] , S. pneumoniae TIGR4 [ 36 ] , and S. pyogenes [ 12 ] . We considered as unambiguous the relationships between these bacteria because, for example, the orthologous genes of the two strains of E. coli O157:H7 are almost identical at the nucleotide level, while they show noticeable differences from E. coli K12 (data not shown).


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