Isolation and characterization of a mutant strain of Streptococcus uberis, which fails to utilize a plasmin derived beta-casein peptide for the acquisition of methionine.

@article{Smith2002IsolationAC,
  title={Isolation and characterization of a mutant strain of Streptococcus uberis, which fails to utilize a plasmin derived beta-casein peptide for the acquisition of methionine.},
  author={Amanda J Smith and A J Kitt and Philip N. Ward and Jennifer S. A. Leigh},
  journal={Journal of applied microbiology},
  year={2002},
  volume={93 4},
  pages={
          631-9
        }
}
AIMS To isolate and characterize a mutant of Streptococcus uberis strain 0140J which fails to utilize a plasmin derived beta-casein peptide for the acquisition of methionine. METHODS AND RESULTS Random insertional mutagenesis was used to isolate a mutant strain of Strep. uberis 0140J which was unable to utilize methionine from within a casein-derived peptide. The altered gene in the mutant strain showed homology to an oligopeptide permease gene of Streptococcus pyogenes (oppF). The mutant was… CONTINUE READING
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