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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.