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.
Community composition of the V4 (top) and V8-V9 (bottom) regions at a taxonomic rank of 3 in mothur, which corresponds to the class level. Samples containing F, W, and M in their sample name belong to freshwater, wastewater, and coastal marine samples, respectively. Data used to generate this figure are available in Table S7 in the supplemental material.
