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) Proportions of tsx mutations observed in sets of E. coli strains, selected for spontaneous resistance to either phage T6, phage U115 or albicidin. Mutations were due to insertion sequence elements (blue), deletions (red), insertions (yellow), missense mutations (purple) and nonsense mutations (orange). (B) Locations of tsx mutations for each resistant mutant (SSP, signal sequence peptide; *, indicates paired mutants).
