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.
Agarose gel electrophoresis (2%) of gradient PCR amplicon of chxA primers. Annealing temperatures from A to H are 63, 62.3, 61.2, 59.5, 57.5, 55.7, 54.6, 54 0C, respectively. L: DM2300 DNA ladder, I (V6) and II (V10) are clinical V. cholerae NAG isolates.
