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Table 2 Significantly enriched gene ontologies associated with biological processes as deduced by DAVID from a list of differentially expressed genes identified by limma analysis

From: Heterologous hybridisation to a Pinus microarray: profiling of gene expression in Pinus radiata saplings exposed to ethephon

Category

Term

Count

Pvalue

Fold enrichment

BH

FDR

Mxylem 1

     

GO:0010286

Heat acclimation

3

0.00

34.03

0.48

4.39

GO:0006952

Defence response

16

0.00

5.39

0.00

0.00

Xylem 1

      

GO:0009813

Flavonoid biosynthetic process

15

0.00

18.17

0.00

0.00

GO:0009812

Flavonoid metabolic process

15

0.00

17.54

0.00

0.00

GO:0009699

Phenylpropanoid biosynthetic process

18

0.00

12.99

0.00

0.00

GO:0009698

Phenylpropanoid metabolic process

18

0.00

9.32

0.00

0.00

GO:0042398

Cellular amino acid derivative biosynthetic process

20

0.00

8.37

0.00

0.00

GO:0019438

Aromatic compound biosynthetic process

19

0.00

7.08

0.00

0.00

GO:0006575

Cellular amino acid derivative metabolic process

20

0.00

5.06

0.00

0.00

GO:0042542

Response to hydrogen peroxide

7

0.00

5.05

0.10

3.57

GO:0019748

Secondary metabolic process

21

0.00

4.88

0.00

0.00

GO:0006952

Defence response

15

0.00

3.36

0.01

0.20

Bark 8

      

GO:0009853

Photorespiration

5

0.00

17.49

0.01

0.23

GO:0019253

Reductive pentose-phosphate cycle

4

0.00

15.64

0.05

2.73

GO:0015977

Carbon utilisation by fixation of carbon dioxide

4

0.00

13.99

0.07

3.78

GO:0019685

Photosynthesis, dark reaction

4

0.00

13.29

0.07

4.39

GO:0042744

Hydrogen peroxide catabolic process

9

0.00

8.31

0.00

0.02

GO:0009813

Flavonoid biosynthetic process

7

0.00

8.31

0.01

0.26

GO:0043094

Cellular metabolic compound salvage

5

0.00

8.11

0.07

4.47

GO:0070301

Cellular response to hydrogen peroxide

9

0.00

8.08

0.00

0.02

GO:0009812

Flavonoid metabolic process

7

0.00

8.02

0.01

0.31

GO:0042743

Hydrogen peroxide metabolic process

9

0.00

7.98

0.00

0.02

Mxylem 8

      

GO:0009813

Flavonoid biosynthetic process

34

0.00

7.53

0.00

0.00

GO:0009812

Flavonoid metabolic process

35

0.00

7.48

0.00

0.00

GO:0009699

Phenylpropanoid biosynthetic process

40

0.00

5.27

0.00

0.00

GO:0009698

Phenylpropanoid metabolic process

45

0.00

4.26

0.00

0.00

GO:0009626

Plant-type hypersensitive response

8

0.00

4.13

0.10

3.62

GO:0034050

Host programmed cell death induced by symbiont

8

0.00

4.13

0.10

3.62

GO:0009739

Response to gibberellin stimulus

11

0.00

3.50

0.05

1.34

GO:0042398

Cellular amino acid derivative biosynthetic process

41

0.00

3.14

0.00

0.00

GO:0019438

Aromatic compound biosynthetic process

44

0.00

3.00

0.00

0.00

GO:0009415

Response to water

18

0.00

2.94

0.01

0.15

Xylem 8

      

GO:0001906

Cell killing

6

0.00

9.31

0.01

0.38

GO:0031640

Killing of cells of another organism

6

0.00

9.31

0.01

0.38

GO:0009812

Flavonoid metabolic process

29

0.00

8.54

0.00

0.00

GO:0009813

Flavonoid biosynthetic process

28

0.00

8.54

0.00

0.00

GO:0009225

Nucleotide-sugar metabolic process

7

0.00

7.03

0.01

0.45

GO:0006032

Chitin catabolic process

9

0.00

6.68

0.00

0.05

GO:0016998

Cell wall macromolecule catabolic process

9

0.00

6.15

0.00

0.09

GO:0006026

Aminoglycan catabolic process

9

0.00

6.15

0.00

0.09

GO:0009699

Phenylpropanoid biosynthetic process

32

0.00

5.81

0.00

0.00

GO:0009698

Phenylpropanoid metabolic process

42

0.00

5.47

0.00

0.00

  1. Mxylem, mucilaginous xylem; 1 and 8 refer to the number of weeks after application of Ethephon in lanolin; BH, Benjamini-Hochberg correction; FDR is false discovery rate.