16S rRNA gene amplicon sequencing of fermentation bioreactor : archaea
340F CCCTAYGGGGYGCASCAG - 1000R GGCCATGCACYWCYTCTC  according toGantner et al. (2011) + nested with universal primers U341F CCTAYGGGRBGCASCAG - U806R GGACTACGGGTATCTAAT according to Sunberg et al. (2013)