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.
Chromosomal rrn operons from the strain containing pNO1301. The identity of several of the rrn operons can be determined by their proximity to certain structural genes with characteristic transcript patterns (10). The operons pictured here are rrnD (A), rrnB (B), and rrnE (C). rrn operons are 5.5 kb in length.
