Fig. 3From: GSTU43 gene involved in ALA-regulated redox homeostasis, to maintain coordinated chlorophyll synthesis of tomato at low temperatureALA induced kinetic changes of gene expression in chlorophyll synthesis with tomato leaves under low temperature within 48 h. 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 expression of genes were carried out when the low temperature started. The gene transcription levels in control plants at 0 h was normalized as 1. 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). ALAD, aminolevulinic dehydratase gene; PBGD, porphobilinogen deaminase gene; UROD, uroporphyrinogen decarboxylase gene; CPOX, coproporphyrinogen III oxidase gene; PPOX, protoporphyrinogen IX oxidase gene; CHLM, Mg-protoporphyrin IX methyltransferase gene; POR, protochlorophyllide oxidoreductase gene; CHLG, chlorophyll synthase gene; CAO, chlorophyllide a oxygenase geneBack to article page