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Fig. 5. Glutathione redox chemistry in Z. viviparus liver samples after 2 h of exposure to 18°C and after 2, 8 or 12 h of recovery (recov.). (A) Reduced glutathione (GSH) content. (B) Oxidized glutathione (GSSG) content. (C) Total glutathione content (2GSSG+GSH). (D) Glutathione redox ratio (2GSSG/GSH). (E) Redox potential ({Delta}E) at in situ temperature and in situ intracellular pH (adopted from Sartoris et al., 2003; Larsen et al., 1997), calculated after Schaffer and Buettner (2001). Values are means ± s.d., N=4-5; *significantly different from the unstressed group, P<0.05.





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