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.
Venn diagram showing the co-occurence of the OTUs among samples from different stages. Numbers in parentheses indicate total OTUs in each stage group, and numbers inside the Venn diagram indicate unique and shared OTUs. OTU, operational taxonomic unit.
