An official website of the United States government
Here's how you know
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.
Phylum distribution of bacterial 16S rRNA gene sequences based on the Classifier tool of the RDP, version 9.0. Bacterial sequences classified at the phylum level with a 70% CI (a) and unclassified sequences at 70% CI and reclassified at ≤69% CI (b) are shown.