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. 2015 Aug 4;91(8):fiv084. doi: 10.1093/femsec/fiv084

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© FEMS 2015.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 2. — Effect of temperature and incubation time on the main substrate and product concentrations in substrate-amended sediment slurries (acetate, methylamine, H₂). (a) Methane and H₂ concentrations. (b) Acetate and sulphate concentrations. (c) Methylamine concentrations (between 10 and 100 days) and rates of methylotrophic acetogenesis in substrate-unamended slurries (∼45 μM H₂). ^aAnnual average in situ temperature. ^bTemperature at which at least 50% of sulphate reduction could have been hydrogenotrophic.