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.
Transcriptional regulatory networks in regulating secondary cell wall biosynthesis in Arabidopsis thaliana. Colored rectangles represent transcription factors in different tiers as specified in the column on the right. Blue arrows denote positive regulation, while a red line with blunt ends denotes negative regulation.
