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Table 3 Drought-dependent enrichment of functional groups in leaf arrays

From: Comparative transcriptomics of drought responses in Populus: a meta-analysis of genome-wide expression profiling in mature leaves and root apices across two genotypes

Up-regulated groups

PC

%

Down-regulated groups

PC

%

CL-EAR vs CL-CTL

Major intrinsic protein

3.7E-05

60

Unknown protein/DUF247

6.1E-04

100

Unknown protein/ABI5 binding

2.0E-03

100

Bet v I allergen/PYL

1.5E-03

100

Galactinol synthase-like

6.3E-03

50

   

Chitinase activity

6.4E-03

100

   

Carotene dioxygenase activity/NCED

9.7E-03

100

   

CL-LMI vs CL-CTL

Metal ion binding/SOD, metallothionein

1.7E-03

67

β-glucosidase activity

2.1E-06

100

ATP dependant helicase/DEAD-box

2.6E-03

100

   

RNA binding

4.8E-03

100

   

Unknown protein/RCI2A

6.3E-03

100

   

CL-LMO vs CL-CTL

Catalyticactivity/Esterase/lipase/thioesterase

1.3E-05

78

Leucine-rich repeat

3.2E-04

70

Nutrient reservoir activity/Germin, Extensin-like

1.5E-04

83

Protein amino-acid phosphorylation/Protein kinase

1.6E-03

100

Flavonoid 3'-monooxygenase activity

2.3E-03

100

Calcium ion binding/EF-hand

3.8E-03

100

Cell redox homeostasis/Glutaredoxin

4.6E-03

50

   

Metal ion binding/SOD, metallothionein

8.0E-03

60

   

Zinc ion binding

8.2E-03

27

   

DNA binding

9.2E-03

24

   

Unknown protein/RCI2A

9.3E-03

67

   

SL-EAR vs SL-CTL

Calcium ion binding/EF-hand

2.6E-06

89

B-glucosidase activity

8.2E0-8

100

DNA binding/WRKY

3.0E-04

59

Regulation of transcription, DNA-dependent

2.3E-03

19

Protein amino acid phosphorylation

1.1E-03

100

Unknown protein/DUF247

2.5E-03

100

ATP binding

9.7E-04

98

Photosynthesis

5.4E-03

67

Ankyrin repeat family protein

9.5E-03

100

ATP synthesis coupled proton transport

6.7E-03

100

   

ATP binding

9.3E-03

100

   

Protein binding

9.0E-03

43

   

RNA binding

9.0E-03

100

SL-LMI vs SL-CTL

Galactinol synthase-like

9.0E-03

50

Tetratricopeptide repeat-protein

4.0E-04

40

   

Membrane

5.3E-03

100

   

Cysteine-type peptidase activity/Papain

6.2E-03

100

   

UDP-glucosyltransferase

7.3E-03

100

   

Drug transporter activity/MatE

7.4E-03

75

SL-LMO vs SL-CTL

Protein ser/thr phosphatase activity/PP2C

1.1E-04

100

O-glucosyl hydrolase activity/β-glucosidase

2.9E-04

60

Unknown protein/RCI2A

3.8E-04

100

Tetratricopeptide repeat-protein

4.1E-04

50

ABA metabolic process/Xerico

2.4E-03

100

Amino acid transport

8.8E-03

100

Galactinol synthase-like

5.6E-03

33

   

No apical meristem (NAM) protein

5.5E-03

100

   

Two-component signal transduction

8.5E-03

100

   
  1. Groups of functionally related genes were identified by iGA. The probability of change (PC) and the number of changed versus total group numbers (%) are given. Significantly regulated groups are shown (PC-value < 0.01).