University of Tennessee Research Foundation

Thomas P Poirier

Edwin H Beachey

Michael A Kehoe

Non-virulent aro-Salmonella typhimurium bacterium is disclosed into which has been cloned a heterologous nucleotide sequence encoding for the expression of Streptococcal M protein antigen from S. pyogenes seratype 5, which is effective to elicit opsonic antibodies against Streptococcal infections. The bacterium is useful for vaccination against Streptococcus pyogenes bacteria.

Therapeutic compositions against streptococcal infections, transformed

Non-virulent bacteria are disclosed into which have been cloned heterologous nucleotide sequences encoded for the expression of Streptococcal M protein antigens, which are effective to elicit opsonic antibodies against Streptococcal infections. These bacteria are useful for vaccination against Streptococcus pyogenes bacteria.

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Memphis, TN, United States of America

Thomas P Poirier