title: 16S rRNA gene metabarcoding  of Archaea from Hypogenic Cave: clay samples
design: For library preparation, a fragment of the bacterial 16S rRNA regionof around 420 bp was amplied using the primers Bakt 341F (5' CCTACG GGN GGC WGC AG 3') and Bakt 805R (5' GAC TAC HVG GGTATC TAA TCC 3')