Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Biofilm formation on gp-340, saliva and polystyrene by (A) S. pyogenes MGAS6180 and (B) strain H360 (black fill), and corresponding isogenic ΔaspA mutants (no fill) and complemented strains ΔaspA (AspA+) (grey fill). Biomass data were obtained by crystal violet (A595) assay. Values given represent mean ± SD of three biological replicates from an experiment repeated twice. **P < 0.01, *P < 0.05, relative to respective MGAS6180 or H360 wild-type strains.
