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.
Results of Southern hybridization of restricted genomic DNA derived from the parental, Δure mutant (Δ), and revertant (R) strains with the Pb1 or Pb2 probe. The sizes of the restricted fragments correlated with the predicted sizes (see Fig. 4C to E). Std., standard.
