Figure 4.

Malate-FeCN reductase, measured in the presence and absence of rotenone, for intact, isolated mitochondria from and insertion mutation seed line, SAIL_779_G05, Arabidopsis plants. Individual mitochondrial preparation malate-FeCN reductase rates have been expressed as a ratio of succinate-phenolindo-2,6-dichlorophenol (DCPIP) reductase activity for that preparation (wt, 17 ± 7; and Atndi1, 10 ± 1 nmol DCPIP reduced mg protein^-1 min^-1). The means of these data are shown. Error bars = se of the mean (in all cases n = 3).