Illumina MiSeq sequencing; qiita_ptid_8974:12201.bacsu.d5.1.qiagen.L
experimental design here: https://docs.google.com/document/d/1qbuySJLEpxQjql-P6kJOk8QOS7Uo3MS1CL3QT56sDXI/edit?usp=sharing
Illumina EMP protocol 515fbc, 806r amplification of 16S rRNA V4