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 radial neighbor-joining tree (Kimura two-parameter distance; all substitution sites; bootstrap, 1,000; variable sites, 329/3,681) constructed by concatenating all six housekeeping genes. ▪, B/C type isolates containing region XII; □, B/C type isolates and absence of region XII; ▴, A/E type isolates containing region XII; ▵, A/E type isolates and absence of region XII; •, A/C isolate containing region XII.
