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.
PCR products stained with ethidium bromide and electrophoresed in a 1% agarose gel. Results are shown for each of the four PCRs (babA in the babA and babB loci; babB in the babA and babB loci [see Materials and Methods for details]) performed on control strains J99 (genotype AB) and 26695 (genotype BA) and on a sample clinical isolate (CDC19 [genotype A AB]). A kilobase ladder is shown on the left.
