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. PCR amplification of P1 gene fragments for positive control preparation. Lane M: 1 kbp ladder, lane 1: P1 gene 543 bp positive PCR, lane 2: no template control. b. Restriction digestion of positive clones. Lane M: 1 kbp ladder, lanes 1-4: positive clones.
