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.
Methods overview diagram. A) generation of reference alignment B) phylogenetic reconstruction C) evaluation of phylogenetic congruence between Nir and organism phylogenies D) screening metagenomes for nir gene fragments. HMM logo in panel b was generated in Skylign (http://skylign.org/).
