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.
Amplification of zwittermycin A gene by the polymerase chain reaction. Lane 1, 1 kbp plus DNA ladder (Invitrogen); lane 2, control without DNA; lane 3, B. subtilis 21; lane 4, B. thuringiensis subsp. morrisoni (LBIT 269); lane 5, B. cereus 183. Arrow indicates the position of an amplicon of ~0.9 Kb corresponding to the zwittermycin A gene.
