Nature Communications 4: Article number: 1428 (2013); Published: 5 February 2013; Updated: 6 June 2013.

During the production of this Article, the y axis of the left-hand bar chart in Fig. 1 was mislabelled with ‰. In addition, the P value in Fig. 3b, fourth set of bars, was displaced to the top of the panel. The correct versions of both Figs 1 and 3 appear below.

Figure 1
figure 1

Effect of RSO on methanogens in vivo.

Figure 3
figure 2

Transcripts of methanogenesis from methylamines.