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 analysis of the cdrA regions of plasmid pS4-1 and H. pylori HPK5, CPY3401, CPY2052, and CPY1113. The PCR products obtained with the P3-P4 primer pair (lanes 1, 3, 5, 7, and 9) and with the P1-P3 primer pair (lanes 2, 4, 6, 8, and 10) are shown. The 100-bp ladder markers with 2 kb as the longest are indicated in the left lane.
