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. Author manuscript; available in PMC: 2013 Jul 15.
Published in final edited form as: Arch Biochem Biophys. 2012 Apr 26;523(2):191–197. doi: 10.1016/j.abb.2012.04.016

Fig. 5.

Fig. 5

Effect of paraquat superoxide stress on yeast cultures. Yeast sensitivity to paraquat is expressed as the ratio of culture density at 24 h for cells in lactate medium with and without paraquat. (1) BY4230 (Δsod2) yeast containing the hMnSOD expression plasmid; (2) BY4230 (Δsod2) yeast containing containing the isoform B hMnSOD expression plasmid; (3) BY4230 (Δsod2) yeast containing the yeast yMnSOD expression plasmid; (4) Δ BY4230 (Δsod2) yeast containing the empty pYES2 vector; (5) BY4700 (Δura3) strain yeast containing the empty pYES2 vector. Data are the mean ± S.D. of two independent experiments. Statistical significance was calculated with a Student’s two-tailed t-test: *, p = .008, (very significantly different); **, p = 0.925 (not significantly different).