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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).