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.
Phylogenetic tree of 16S rRNA gene sequences. The deep-sea vent ε-Proteobacteria are shown in red. Branch points conserved with bootstrap values of >75% (filled circles) and bootstrap value of 50 to 74% (open circles) are indicated. Scale bar represents the expected number of changes per position.
