Directional gene movement from human-pathogenic to commensal-like streptococci.

Abstract excerpt

Group A streptococci (GAS) are highly pathogenic for humans, and their closest genetic relatives, group C and G streptococci (GCS and GGS, respectively), are generally regarded as commensals, although they can be found in association with human disease. As part of an effort to better understand the evolution of virulence, the phylogenetic relationships between GAS, GCS, and GGS were examined. The nucleotide...

Topics

• Base Sequence
• Classification
• DNA, Bacterial
• Gene Transfer, Horizontal
• Genes, Bacterial
• Genome, Bacterial
• Humans
• Molecular Sequence Data
• Mosaicism
• Phenotype