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Table 3 Statistical enrichment analyses of metabolic pathways.

From: Dissecting grain yield pathways and their interactions with grain dry matter content by a two-step correlation approach with maize seedling transcriptome

Metabolic pathway Back-ground grain yield- involved GDMC-interacted GDMC-involved
   Step 1 Step 2 Step 2 Step 2
  n n p n p n p n p
Acyl-CoA thioesterase pathway 7 1 2.6E-1 1 3.2E-1 1 4.5E-2 1 2.7E-1
Aerobic respiration -- electron donor II 36 3 1.7E-1 7 7.4E-3 - - 2 2.8E-1
Aerobic respiration -- electron donor III 18 3 4.8E-2 7 9.6E-5 - - - -
Betanidin degradation 70 5 1.4E-1 6 1.5E-1 1 3.1E-1 5 1.5E-1
Calvin cycle (CO2 fixation) 35 4 6.9E-2 5 6.0E-2 1 1.9E-1 2 2.8E-1
Chlorophyllide a biosynthesis 24 3 8.9E-2 5 1.7E-2 1 1.4E-1 3 9.6E-2
Cyanate degradation 13 2 1.1E-1 3 4.6E-2 - - 1 3.6E-1
Cyclopropane and cyclopropene fatty acid biosynthesis 12 1 3.5E-1 3 3.8E-2 - - - -
DIMBOA-glucoside degradation 3 1 1.4E-1 1 1.8E-1 1 2.0E-2 1 1.4E-1
Fructose degradation to pyruvate and lactate (anaerobic) 72 5 1.5E-1 6 1.6E-1 1 3.1E-1 8 2.1E-2
Glucose fermentation to lactate II 56 5 9.1E-2 5 1.6E-1 1 2.7E-1 6 4.6E-2
Glutathione redox reactions I 7 - - 1 3.2E-1 1 4.5E-2 1 2.7E-1
Glycolysis I 69 6 7.7E-2 7 9.8E-2 1 3.1E-1 7 4.2E-2
Glycolysis IV (plant cytosol) 63 5 1.2E-1 6 1.3E-1 1 2.9E-1 7 2.9E-2
IAA biosynthesis VI (via indole-3-acetamide) 6 - - 2 5.4E-2 1 3.9E-2 1 2.4E-1
Mannose degradation 1 1 5.1E-2 1 7.0E-2 1 6.7E-3 1 5.3E-2
Btarch degradation 36 3 1.7E-1 4 1.4E-1 1 2.0E-1 1 2.8E-1
Sucrose degradation III 35 6 5.6E-3 6 2.2E-2 1 1.9E-1 1 2.9E-1
Xylose degradation 5 1 2.1E-1 2 3.9E-2 1 3.3E-2 1 2.1E-1
  1. Grain yield-involved, genes involved in grain yield; GDMC-interaction, the grain yield-involved genes which negatively interacted with grain dry matter content; GDMC-involved, genes involved in grain dry matter content; n, number of genes; p, p-value for statistical significance. The symbol "-" represents data unavailable. The data in boldface represent significance at p < 0.05.