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.
Gel electrophoresis for the results of the polymerase chain reaction amplification of the ure and bvfA genes. Lanes 1 to 3: specimens whose results were positive for the ure gene (2100 bp); lane L: 1-kb DNA ladder; and lane 4: specimens whose results were positive for the bvfA gene (1282 bp).
