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.
Presumptive identification of M. tuberculosis by double digestion (EcoRI and HindII) of cloned constructs. Lanes M, marker DNA (100-bp ladder). (a) Of the 10 plasmid constructs, only the constructs in lanes 4, 5, 7, 8, and 10 harbored the M. tuberculosis rpoB DNA insert. Lanes 1 to 10, plasmids purified from 10 colonies of transformed E. coli. (b) The plasmid constructs in all lanes harbored the M. tuberculosis rpoB DNA insert.
