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Fig. 2 | BMC Plant Biology

Fig. 2

From: GSTU43 gene involved in ALA-regulated redox homeostasis, to maintain coordinated chlorophyll synthesis of tomato at low temperature

Fig. 2

ALA induced kinetic changes of chlorophyll precursors in the chlorophyll biosynthetic pathway in tomato leaves within 96 h after imposition of low temperature. The tomato leaves treated with distilled water or 25 mg·L− 1 ALA then exposed to normal condition (control and ALA) or low temperature (LT and LTA) 12 h later. The precursor content were measured when the low temperature started. Data are expressed as the mean ± standard error of three independent biological replicates. The experiments were repeated for three times. Different letters above the bars indicate a significant difference determined by one-way ANOVA with Tukey’s test (P < 0.05). ALA, 5-aminolevulinic acid; PBG, porphobilinogen; UROIII, uroporphyrinogen III; Proto IX, protoporphyrin IX; Mg-proto IX, Mg-protoporphyrin IX; and Pchl, protochlorophyll

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