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.
Characterization of the B. abortus Δpgk mutant by Southern blot analysis. EcoRV-digested genomic DNA was probed with the pgk (A), amp (B), or kan (C) DNA fragments. Lanes 1, B. abortus Δpgk mutant; lanes 2, clones in which a single recombination event took place; lanes 3, B. abortus S2308; lanes MW, molecular weight markers.
