title: 16S_LT.3
design: The V3-V4 hypervariable region of the 16S rRNA gene was amplified with the primers 341F ('5-CCTACGGGNGGCWGCAG-3') and 806R (5-GGACTACHVGGGTWTCTAAT-3). The sequencing of amplicons was performed on an Illumina MiSeq platform.