Fibronectin-Binding Protein Gene Recombination and Horizontal Transfer between Group A and G Streptococci

Abstract
We report evidence of interspecies gene transfer between the important virulence factor genes sfbI and gfbA . Because the identified group G streptococcus gfbA types possess DNA cassettes that can be identified in a number of group A streptococcus strains, it appears that homologous recombination is occurring between these species.

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