Figure 4 : Temporal variation of microbial community composition of the borehole water.

From: Reconstructing a hydrogen-driven microbial metabolic network in Opalinus Clay rock

Figure 4

This community was assessed with amplicon sequencing of the V4 region of the 16S rRNA gene. The first sample at day 0 was recovered prior to the first H2 injection. The coloured bar at the top of the plot indicates the final electron acceptor in the different redox regimes (Fig. 3).