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.
A. Survival of mutants of P. gingivalis W50 (K-antigen locus: PG0106 to PG0120) after 1 h of incubation in serum. B. Survival of mutants of P. gingivalis W50 (porR locus, PG1135 to PG1141; and wbpB, PG2119) after 1 h of incubation in serum. Viability of bacteria preincubated with serum was measured as CFU from serial dilutions on blood agar plates. *, results significantly different (P < 0.005) from those for P. gingivalis W50.
