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 created with the maximum likelihood method and based on Rickettsia spp. 16S rRNA nucleotide sequences. The analyzed sequences are indicated by arrows. The accession numbers for nucleotide sequences from GenBank are presented with species names and countries. The outgroup was Ehrlichia chaffeensis. The branch numbers mean bootstrap support (1000 replicates). The scale bar means phylogenetic distance.
