Fig. 3

Putative gene abundances in the vinasse metagenomes. Partial gene fragments were recruited from the vinasse metagenomes using megagta on (a) all reads and (b) rarified reads. In parallel, vinasse metagenomes were compared to profile HMMs and the number of matches was normalized to (c) reads per kilobase per genome equivalent (RPKG). In (d) the gene copy numbers from real-time PCR of the nosZ, nirS and nirK genes are depicted. Note that no qPCR of the norB gene was made