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. 2015 Oct 6;6:1072. doi: 10.3389/fmicb.2015.01072

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Copyright © 2015 Kits, Campbell, Rosana and Stein.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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NO₂^- reduction to N₂O by M. album strain BG8 is dependent on an energy source at <50 nM O₂. Experiments were performed in a closed 10 mL micro-respiratory chamber outfitted with an O₂ and N₂O microsensor and logged with Sensor Trace Basic software. O₂ (black diamonds) and N₂O (gray circles). Cells of M. album strain BG8 were harvested as described in the materials and methods and resuspended in mineral salts medium containing 100 μM NO₂^-. Arrows mark the addition of either CH₄ (A), CH₃OH (B), CH₂O (C), HCO₂H (D), C₂H₆ (E), C₂H₆O (F), in all panels. The right y-axis is identical in all panels. However, it should be noted that the left y-axis differs in all panels.