Anomalies in the Expression Profile of Interspecific Hybrids of Drosophila melanogaster and Drosophila simulans

Table 1.

Examples of Functional Categories Found to be Transcriptionally Enriched in the Samples of Genes Under- and Overexpressed in Hybrid Females of D. melanogaster and D. simulans




Functional category (GMRC terma, P valueb)
Underexpressed Genes
    Metabolic and Regulatory Pathway Transcription factors (dme03022; P = 2.9 × 10-3)
    Molecular Function Nucleic acid binding activity (GO:0003676; P = 6.6 × 10-13)
RNA binding activity (GO:0003723; P = 4.6 × 10-4)
Helicase activity (GO:0004386; P = 3.3 × 10-2)
    Biological Process DNA metabolism (GO:0006259; P = 1.1 × 10-9)
Cell growth and/or maintenance (GO:0008151; P = 8.8 × 10-7)
Transcription (GO:0006350; P = 4.1 × 10-5)
    Cellular Component Nucleus (GO:0005634; P = 2.0 × 10-25)
Replication fork (GO:0005657; P = 5.0 × 10-6)
Transcription factor complex (GO:0005667; P = 2.8 × 10-4)
Overexpressed Genes
    Metabolic and Regulatory Pathway Oxidative phosphorylation (dme00190; P = 1.6 × 10-7)
Fatty acid metabolism (dme00071; P = 4.6 × 10-6)
Glycolysis/Gluconeogenesis (dme00010; P = 6.3 × 10-6)
    Molecular Function Oxireductase activity (GO:0016491; P = 2.8 × 10-10)
Serine-type peptidase activity (GO:0008236; P = 1.3 × 10-7)
Hydrolase activity (GO:0016787; P = 2.8 × 10-2)
    Biological Process Ion transporter (GO:0006811; P = 4.5 × 10-4)
Defense response (GO:0006952; P = 5.8 × 10-3)
Pathways of carbohydrate metabolism (GO:0006092; P = 7.7 × 10-3)
    Cellular Component Membrane (GO:0016020; P = 8.2 × 10-12)
Microsome (GO:0005792; P = 3.2 × 10-6)

Mitochondrial electron transport chain (GO:0005746; P = 4.7 × 10-3)
  • a GMRC, Gene Merge Class (see Methods).

  • b After Bonferroni correction.

This Article

  1. Genome Res. 14: 373-379

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