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. 2015 Aug 14;4(3):573–605. doi: 10.3390/plants4030573

Figure 1.

Figure 1

Turnover of sulfur containing metabolites in wild-type (Wt) and sulfite oxidase (SO) RNA interference mutants (Ri) plants grown under normal growth conditions (0 day) and after being exposed to an extended dark stress for eleven days (11 day). The Log2 of sulfur containing metabolites are given by shades of red or blue colors according to scale bar. (a) Relative difference of sulfur-containing metabolites in SO Ri mutants calculated as ratio to WT 0 day; (b) The relative difference of S-containing metabolites was calculated as the ratio of metabolite content in plants after the dark stress (11 day) to the content detected in the unstressed plants (0 day). The other S-compounds metabolites were calculated as the difference between total content of sulfur to the known S-containing metabolites. The organic S was calculated as the difference between total S to the inorganic S (oxidized + reduced). The level of significance was estimated with Turkey-Kramer HSD test (JMP 8.0 software, [37]; p < 0.05. n = 3–10) and is presented in Supplementary Table S2. The data for SO-compromised plants represent the mean for SO Ri 131 and SO Ri 421 mutants.