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.
Neighbor-Joining phylogenetic tree for cell wall invertase (CWINV) gene family members in B. napus and closely related species. The tree was rooted using an Arabidopsis alkaline/neutral invertase AtNINV gene sequence. See Fig. 2 for other information.
