title: Illumina MiSeq paired end sequencing
design: SSU_V1-V2 amplicons
library_construction_protocol: 1st PCR: primers 27F with 6-nt barcode and 338R plus adapters, 15 cycles, 2nd PCR: Illumina multiplexing primers introducing an index, see doi:10.1111/1462-2920.12362 for detailed description