16N203
Bacterial DNA was extracted with  the MoBio PowerMag Microbial DNA Isolation Kit (Qiagen, cat# 27200-4)  according to the manufacturers instructions and prepared for sequencing on  an Illumina MiSeq instrument (San Diego, California) (MiSeq run parameters can  be found at https://osf.io/fnu62/) using the NEBNext Ultra DNA Library Prep  Kit for Illumina (New England BioLabs, cat# E7370) and sample-specific  barcoding. Library preparation and sequencing were performed at the Center  for Microbial Systems at the University of Michigan.