STREPTOCOCCUS PYOGENES CLASSIFICATION

摘要

The difference Lancefield T-serotypes correlate with the sequence of the pilus backbone protein (Pbp) in Streptococcus pyogenes (GAS). We have sequenced Pbp for over 50 GAS strains, representing the major disease-associated serotypes, and have identified 15 Pbp variants. These 15 variants have been shown to determine the specificity of the T-serotyping, such that sequencing of the Pbp from a given GAS strain reliably predicts that strain's T-serotype. thus the invention permits the t-serotype of a GAS strain to be determined based on genotype.