Graphical Abstract.
Growth rates at 20 °C and 37 °C for the E. coli strains studied in this work (top) and the activity of RNA polymerase purified from these strains in various in vitro assays at the same temperatures (bottom).
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.