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) Stepwise improvements of the tyrosine module by replacement of aroK with aroL (Y1) and inserting a second promoter, either PLtetO-1 (Y2) or a combination of the rrnB terminator T1 (large T) and Ptrc (Y3), 5′ of aroA. (B) The SRM results indicate the relative levels of TyrB through AroL as a consequence of the various modifications to the tyrosine module. All cultures were performed under the conditions described in Table 3.
