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.
Polymerase chain reaction (PCR)-amplified products. M: DL2000 DNA marker; 1: CNF2 (839bp); 2: negative control; 3: VT1 (121bp); 4: eaeA (241bp); 5: hlyA (569bp); 6: bfpA (324bp); 7: est (190bp); 8: elt (450bp); 9: CNF1 (552bp); 10: qacEΔ1-sull (300bp).
