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Table 2 Gene ontology (GO) enrichment analyses for salt-responsive genes compared between P. euphratica and P. pruinosa 1

From: Transcriptome differences between two sister desert poplar species under salt stress

GO term

Onto2

Description

Number

P. euphratica

P. pruinosa

    

Z-score

Mean3

FDR

Z-score

Mean

FDR

GO:0006950

P

Response to stress

50

7.2

5.1

4.50e-11

3.1

1.8

0.21

GO:0050896

P

Response to stimulus

54

6.7

4.6

1.60e-09

3.1

1.8

0.21

GO:0006952

P

Defense response

16

6.4

7.7

1.50e-08

3.2

2.9

0.11

GO:0009607

P

Response to biotic stimulus

15

5.9

7.4

4.20e-07

3.4

3.1

0.063

GO:0009308

P

Amine metabolic process

22

3.5

3.7

0.047

2.3

2

1

GO:0044264

P

Cellular polysaccharide metabolic process

13

-3.6

-4.3

0.036

-4.6

-3

0.00034

GO:0044042

P

Glucan metabolic process

13

-3.6

-4.3

0.036

-4.6

-3

0.00034

GO:0006073

P

Cellular glucan metabolic process

13

-3.6

-4.3

0.036

-4.6

-3

0.00034

GO:0044260

P

Cellular macromolecule metabolic process

159

-3.6

-1

0.035

-2.2

0.11

1

GO:0048037

F

Cofactor binding

67

8.1

4.9

3.90e-14

3.8

1.9

0.011

GO:0050662

F

Coenzyme binding

53

7.9

5.4

2.00e-13

3.5

2

0.034

GO:0030414

F

Peptidase inhibitor activity

21

7.9

8.3

2.50e-13

4.3

3.2

0.0015

GO:0004866

F

Endopeptidase inhibitor activity

21

7.9

8.3

2.50e-13

4.3

3.2

0.0015

GO:0050660

F

FAD binding

33

7.4

6.3

1.40e-11

2.9

2

0.37

GO:0016491

F

Oxidoreductase activity

191

6.6

2.5

2.60e-09

2.3

1.1

1

GO:0004857

F

Enzyme inhibitor activity

32

6.5

5.7

6.50e-09

3.4

2.3

0.066

GO:0030234

F

Enzyme regulator activity

33

6.2

5.4

3.80e-08

3.2

2.1

0.13

GO:0030246

F

Carbohydrate binding

24

4.5

4.6

0.00052

2.3

1.9

1

GO:0004497

F

Monooxygenase activity

42

4

3.2

0.0052

1.1

1.1

1

GO:0003824

F

Catalytic activity

504

3.7

1

0.019

0.93

0.72

1

GO:0046906

F

Tetrapyrrole binding

64

3.5

2.3

0.042

0.12

0.65

1

GO:0020037

F

Heme binding

64

3.5

2.3

0.042

0.12

0.65

1

GO:0017171

F

Serine hydrolase activity

13

-3.4

-4.1

0.059

-3.5

-2.1

0.036

GO:0008236

F

Serine-type peptidase activity

13

-3.4

-4.1

0.059

-3.5

-2.1

0.036

GO:0016758

F

Transferase activity, transferring hexosyl groups

16

-3.1

-3.3

0.2

-3.8

-2.1

0.011

GO:0016762

F

Xyloglucan:xyloglucosyl transferase activity

10

-3.1

-4.2

0.2

-4.2

-3.1

0.0023

GO:0048046

C

Apoplast

10

-3.1

-4.2

0.047

-4.2

-3.1

0.00054

GO:0044464

C

Cell part

169

-3.2

-0.87

0.03

-1.1

0.36

1

GO:0005623

C

Cell

169

-3.2

-0.87

0.03

-1.1

0.36

1

GO:0005576

C

Extracellular region

12

-2.4

-3

0.33

-3.3

-2.1

0.02

GO:0030312

C

External encapsulating structure

18

-2.8

-2.8

0.11

-3.8

-1.9

0.0033

GO:0005618

C

Cell wall

18

-2.8

-2.8

0.11

-3.8

-1.9

0.0033

  1. 1The 1430 DEGs were analyzed by parametric analysis of gene set enrichment (PAGE).
  2. 2Onto, Gene Ontology domain; P, biological process; F, molecular function; C, cellular component.
  3. 3Mean, mean log2 expression ratio, >0 represents up-regulation, <0 represents down-regulation.