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Table 2 Results of over-representation analysis of gene ontologies

From: From transcriptome to biological function: environmental stress in an ectothermic vertebrate, the coral reef fish Pomacentrus moluccensis

Gene Ontology

GO ID

Number of probes on array

Number of genes on array

Number of genes in gene cluster

Raw p-value

FDR-corrected p-value

Cluster I-Immune Function and Development

MHC class I protein binding

GO:0042288

7

7

2

0.0000

0.0561

Neurite morphogenesis

GO:0048812

62

60

3

0.0032

0.1289

Cell fate determination

GO:0001709

59

45

2

0.0106

0.1807

Cluster II-Cell Growth

Vesicle transport along actin filament

GO:0030050

181

9

2

0.0000

0.0251

SWR1 complex

GO:0000812

182

10

2

0.0000

0.0119

Cortical actin cytoskeleton

GO:0030864

183

11

2

0.0000

0.0122

Condensed nuclear chromosome

GO:0000794

13

13

2

0.0001

0.0168

Histone acetylation

GO:0016573

186

14

2

0.0001

0.0178

Actin filament

GO:0005884

187

15

2

0.0001

0.0190

Meiosis

GO:0007126

51

51

3

0.0002

0.0269

M phase of mitotic cell cycle

GO:0000087

97

96

3

0.0024

0.0779

Cluster III-Metabolism

Sterol metabolism

GO:0016125

12

12

3

0.0000

0.0001

Trypsin activity

GO:0004295

14

14

3

0.0000

0.0001

Positive regulation of protein metab.

GO:0051247

18

18

3

0.0000

0.0002

Cholesterol metabolism

GO:0008203

18

18

3

0.0000

0.0002

Cluster IV-Stress

Lytic vacuole

GO:0000323

42

42

3

0.0001

0.2378

Lysosome

GO:0005764

54

54

3

0.0004

0.3168

Response to UV

GO:0009411

6

5

1

0.0004

0.1620

Replicative cell aging

GO:0001302

5

5

1

0.0004

0.1296

Response to water deprivation

GO:0009414

5

5

1

0.0004

0.1080

Response to reactive oxygen species

GO:0000302

7

7

1

0.0008

0.1349

  1. We tested for significant over-representation of gene ontologies of genes within a cluster compared to the total complement of genes represented on the microarray. Gene clusters were identified by hierarchical clustering of significant gene responses across stressors (see Figure 3 for cluster identification)