Additional file 3.

PABA supplementation has no toxic effect. A) PABA supplementation reverses the lifespan extension on the mutant bacteria (aroD + PABA, n = 85, aroD, n = 124), but has no effect on the control bacteria (control + PABA, n = 112, control, n = 84). B) Addition of PABA has no effect on ubiG bacteria (ubiG + PABA, n = 90, ubiG, n = 76) or ubiG- + rescue plasmid (ubiG:pAHG + PABA, n = 116, ubiG:pAHG, n = 118). C) PHB supplementation had no effect of lifespan of C. elegans maintained on either the mutant (aroD, n = 161, aroD + 25 μM PHB, n = 129, aroD + 250 μM, n = 105) or control bacteria (control, n = 173, control + 25 μM PHB, n = 121, control + 250 μM PHB, n = 130). See Additional file 1 for a full listing of all lifespan data in this study.

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Virk et al. BMC Biology 2012 10:67   doi:10.1186/1741-7007-10-67