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Table 3 Statistical enrichment analysis for KEGG metabolic pathways ( p ≤0.05)

From: De novo sequencing and transcriptome analysis of the desert shrub, Ammopiptanthus mongolicus, during cold acclimation using Illumina/Solexa

Pathway ID

Pathway

Genes with pathway annotation

p value

  

All genes

DEGs

 
   

Up

Down

 

ko01100

Metabolic pathways

5905 (21.49%)

607

2004

9.37E-18

ko01110

Biosynthesis of secondary metabolites

2821 (10.27%)

322

989

4.54E-16

Carbohydrate metabolism

ko00040

Pentose and glucuronate interconversions

233 (0.85%)

31

130

3.28E-20

ko00500

Starch and sucrose metabolism

651 (2.37%)

72

257

3.70E-09

ko00053

Ascorbate and aldarate metabolism

208 (0.76%)

21

80

0.004397

ko00010

Glycolysis / Gluconeogenesis

337 (1.23%)

31

119

0.03086

ko00660

C5-Branched dibasic acid metabolism

11 (0.04%)

5

3

0.026546

ko00620

Pyruvate metabolism

247 (0.9%)

20

94

0.017667

Amino acid metabolism

ko00360

Phenylalanine metabolism

214 (0.78%)

23

92

1.42E-05

ko00270

Cysteine and methionine metabolism

225 (0.82%)

34

78

0.000967

ko00250

Alanine, aspartate and glutamate metabolism

171 (0.62%)

21

63

0.006038

ko00300

Lysine biosynthesis

39 (0.14%)

5

21

0.000519

ko00290

Valine, leucine and isoleucine biosynthesis

90 (0.33%)

16

33

0.00268

ko00380

Tryptophan metabolism

116 (0.42%)

19

42

0.002663

ko00260

Glycine, serine and threonine metabolism

139 (0.51%)

16

52

0.013956

ko00330

Arginine and proline metabolism

167 (0.61%)

25

52

0.045321

Metabolism of other amino acids

ko00460

Cyanoamino acid metabolism

167 (0.61%)

23

71

7.09E-06

Biosynthesis of other secondary metabolites

ko00940

Phenylpropanoid biosynthesis

483 (1.76%)

57

201

2.29E-10

ko00941

Flavonoid biosynthesis

272 (0.99%)

29

124

1.24E-08

ko00945

Stilbenoid, diarylheptanoid and gingerol biosynthesis

241 (0.88%)

39

96

1.20E-07

ko00944

Flavone and flavonol biosynthesis

78 (0.28%)

8

37

0.000808

ko00966

Glucosinolate biosynthesis

40 (0.15%)

11

16

0.000298

ko00402

Benzoxazinoid biosynthesis

43 (0.16%)

3

24

0.001612

ko00950

Isoquinoline alkaloid biosynthesis

40 (0.15%)

5

18

0.015469

Energy metabolism

ko00195

Photosynthesis

113 (0.41%)

4

72

1.86E-09

Lipid metabolism

ko00592

alpha-Linolenic acid metabolism

156 (0.57%)

20

67

2.46E-05

ko01040

Biosynthesis of unsaturated fatty acids

94 (0.34%)

9

44

0.000624

ko00565

Ether lipid metabolism

675 (2.46%)

83

215

0.006119

ko00062

Fatty acid elongation

6 (0.02%)

2

4

0.003736

ko00564

Glycerophospholipid metabolism

866 (3.15%)

110

273

0.001839

ko00100

Steroid biosynthesis

80 (0.29%)

9

31

0.034756

ko00591

Linoleic acid metabolism

76 (0.28%)

5

35

0.013071

ko00071

Fatty acid metabolism

136 (0.49%)

11

56

0.012113

Metabolism of cofactors and vitamins

ko00785

Lipoic acid metabolism

11 (0.04%)

0

9

0.005247

ko00770

Pantothenate and CoA biosynthesis

79 (0.29%)

  

0.045586

Metabolism of terpenoids and polyketides

ko00904

Diterpenoid biosynthesis

98 (0.36%)

10

55

6.17E-08

ko00903

Limonene and pinene degradation

205 (0.75%)

33

83

4.46E-07

ko00906

Carotenoid biosynthesis

195 (0.71%)

25

85

1.07E-06

ko00908

Zeatin biosynthesis

312 (1.14%)

41

113

0.000209

ko00902

Monoterpenoid biosynthesis

30 (0.11%)

13

26

0.01791

Glycan Biosynthesis and Metabolism

ko00531

Glycosaminoglycan degradation

86 (0.31%)

5

39

0.017583

Immune system

ko04650

Natural killer cell mediated cytotoxicity

123 (0.45%)

23

42

0.00168

Signal Transduction

ko04075

Plant hormone signal transduction

1667 (6.07%)

185

614

1.87E-13

Environmental Adaptation

ko04626

Plant-pathogen interaction

1719 (6.26%)

139

693

3.34E-15