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.
MST tree of the 78 Mongolian Y. pestis strains, determined as 3.ANT genotype and showing CRISPR spacer b48 (blue). The seven strains previously described by Li et al. and associated to the Mongolian cluster were included (yellow) [5], suggesting distinct clustering. Numbers refer to the sampling sites given in Fig. 4.
