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.
Unrooted evolutionary tree of FH2 subdomains a, c and h constructed by the neighbor-joining method. Numbers at nodes indicate bootstrap values. Branches in agreement with the tree previously reported by Zeller et al. [6] are highlighted in green, novel branches in yellow.
