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. 2009 Jan 6;60(2):663–678. doi: 10.1093/jxb/ern322

Fig. 1.

Fig. 1.

Expression of AA biosynthetic genes during tomato fruit ripening. (A) RNA blot analysis of AA biosynthetic genes. (B) The main and alternative AA biosynthetic routes. (C) Ascorbate levels during development and ripening. Total RNA (20 μg) isolated from different stages ranging from anthesis, the first, second, and third weeks from anthesis (FL) (W1, W2, and W3), IG (immature green), MG (mature green), BR (breaker), TR (turning), PK (pink), LR (light red), R (red), to RR (ripe red) was fractionated in formaldehyde denaturing agarose gels, transferred to nylon membranes, stained with 0.04% methylene blue (to observe the equality of loading), and hybridized with radiolabelled probes for AA biosynthetic genes. All experiments were performed in triplicate.