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. 2020 May 7;15(5):e0232360. doi: 10.1371/journal.pone.0232360

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© 2020 Strahl, Abele

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 5 — A. Gill-respiration rates of Arctica islandica at four different pO₂ without spermineNONONate; n = 9–12. ** Respiration rates differ significantly between 16 kPa and 2 kPa (One-way ANOVA and Tukey P < 0.005). B: Example of oxygen consumption by live gill tissue at 2 kPa under control conditions (without spermineNONONate, grey background), and under complete NO-induced inhibition of gill respiration (0.00 nmol O₂ min^-1 ml^-1 mg^-1 WM) within 20 min (yellow background) after adding spermineNONONate to the measurement (black arrow). Measurements conducted with an ISO-NOP electrode.