The quantitative RT-PCR analysis of gene expression in sepals, petals, labellums and gynostemiums.

The y-axis indicates fold change in expression among the samples. The Lg (Relative Quantitation) of the genes in the sepals was calibrated as zero. Error bars indicate the standard deviation of the mean (SD) (n = 3). Three replicates were analyzed, with similar results. a, b, and c, d, one way ANOVA with Bonferroni multiple comparison test significant at P纵轴表示样本间基因表达的倍数变化。萼片（sepals）内基因的Lg相对定量（Relative Quantitation）校准为零。误差棒代表平均值的标准差（SD），每组样本重复数n=3。本次分析共开展三次重复实验，所得结果均一致。以a、b及c、d标记不同组别，采用单因素方差分析（one-way ANOVA）结合Bonferroni多重比较检验，当P值达到统计学显著性。