Table 1.
Comparison of Functional Clusters in Three Tissue Specific or Enriched EST Pools*
| Retina | Lung | Cerebellum | |
| GO:0007154 cell communication (total gene numbers) | 36 | 8 | 16 |
| GO:0009605 response to external stimulus | 19 | 1 | 0 |
| GO:0009581 perception of external stimulus | 18 | 0 | 0 |
| GO:0009628 response to abiotic stimulus | 18 | 0 | 0 |
| GO:0009314 radiation response | 18 | 0 | 0 |
| GO:0009416 light response | 18 | 0 | 0 |
| GO:0009582 perception of abiotic stimulus | 18 | 0 | 0 |
| GO:0009583 perception of light | 18 | 0 | 0 |
| GO:0009591 perception of mechanical stimulus | 1 | 0 | 0 |
| GO:0009592 perception of sound | 1 | 0 | 0 |
| GO:0007600 sensory perception | 17 | 0 | 0 |
| GO:0007601 vision | 17 | 0 | 0 |
| GO:0007605 hearing | 1 | 0 | 0 |
| GO:0007609 mechanosensory perception | 1 | 0 | 0 |
| GO:0009607 response to biotic stimulus | 2 | 0 | 0 |
| GO:0007155 cell adhesion | 4 | 2 | 3 |
| GO:0016337 cell-cell adhesion | 1 | 0 | 1 |
| GO:0007165 signal transduction | 22 | 4 | 9 |
| GO:0007166 cell surface receptor linked signal transduction | 10 | 3 | 4 |
| GO:0007167 enzyme linked receptor protein signaling pathway | 1 | 0 | 0 |
| GO:0007186 G-protein coupled receptor protein signaling pathway | 8 | 0 | 3 |
| GO:0007187 G-protein signaling, coupled to cyclic nucleotide second messenger | 1 | 0 | 1 |
| GO:0008277 regulation of G-protein coupled receptor protein signaling pathway | 1 | 0 | 0 |
| GO:0007212 dopamine receptor signaling pathway | 0 | 0 | 1 |
| GO:0007214 gamma-amino butyric acid signaling pathway | 0 | 0 | 1 |
| GO:0016055 Wnt receptor signaling pathway | 1 | 3 | 1 |
| GO:0007223 frizzled-2 receptor signaling pathway | 0 | 3 | 0 |
| GO:0007242 intracellular signaling cascade | 8 | 0 | 4 |
| GO:0019932 second-messenger-mediated signaling | 1 | 0 | 1 |
| GO:0007243 protein kinase cascade | 1 | 0 | 0 |
| GO:0007264 small GTPase mediated signal transduction | 1 | 0 | 0 |
| GO:0007267 cell-cell signaling | 0 | 3 | 5 |
| GO:0019226 transmission of nerve impulse | 0 | 0 | 4 |
| GO:0007268 synaptic transmission | 0 | 0 | 4 |
| GO:0001505 neurotransmitter maintenance | 0 | 0 | 1 |
| GO:0008037 cell recognition | 1 | 1 | 0 |
* Cell communication category is used for this table. Tissue specific or enriched EST pools are under condition of 66% concentrated in individual libraries and at least three EST copies. There are no overlap of genes among each libraries.