Research Article

Transcriptome and Metabolome Analysis Unveil Anthocyanin Metabolism in Pink and Red Testa of Peanut (Arachis hypogaea L.)

Table 2

Differentially expressed transcription factors in the testa of R4 and R7 stages of Shanhua15 and Zhonghua12 peanuts.

Comparison groupGene nameNumber of DEGsUpregulated DEGsDownregulated DEGsBiological functions

S4 vs. S7MYB461036Cell development and anthocyanin pathway
bHLH37829Plant development and substance metabolism
Other TFs26267195
In total34585260

S7 vs. Z7MYB301812Cell development and anthocyanin pathway
bHLH291019Plant development and substance metabolism
Other TFs1788593
In total237113124

S4 vs. Z4MYB513516Cell development and anthocyanin pathway
bHLH412417Plant development and substance metabolism
Other TFs333157176
In total425216209

Z4 vs. Z7MYB701555Cell development and anthocyanin pathway
bHLH591544Plant development and substance metabolism
Other TFs542207335
In total671237434

S4, Shanhua15 R4 pod period; Z4, Zhonghua12 R4 pod period; S7, Shanhua15 R7 pod period; Z7, Zhonghua12 R7 pod period. Differentially expressed genes were identified by log2 (fold change) ≥1 and FDR ≤0.05.