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 group
Gene name
Number of DEGs
Upregulated DEGs
Downregulated DEGs
Biological functions
S4 vs. S7
MYB
46
10
36
Cell development and anthocyanin pathway
bHLH
37
8
29
Plant development and substance metabolism
Other TFs
262
67
195
In total
345
85
260
S7 vs. Z7
MYB
30
18
12
Cell development and anthocyanin pathway
bHLH
29
10
19
Plant development and substance metabolism
Other TFs
178
85
93
In total
237
113
124
S4 vs. Z4
MYB
51
35
16
Cell development and anthocyanin pathway
bHLH
41
24
17
Plant development and substance metabolism
Other TFs
333
157
176
In total
425
216
209
Z4 vs. Z7
MYB
70
15
55
Cell development and anthocyanin pathway
bHLH
59
15
44
Plant development and substance metabolism
Other TFs
542
207
335
In total
671
237
434
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.