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.
The phylogenetic tree is based on 16S rRNA gene sequences, showing the Rickettsiales expanded, with the position of Ca. X. pacificiensis highlighted in red. Select δ-proteobacteria are included as an outgroup.
