Number of Genes and Pseudogenes in Completely Sequenced Genomes
Organism | Genome size (Mb) | No. genes | No. pseudogenes | No. processed pseudogenes | References |
|---|---|---|---|---|---|
| R. prowazekii | 1.1 | 834 | 241 | 0 | Andersson et al. 1998; Ogata et al. 2001 |
| M. leprae | 3.3 | 1604 | 1116 | 0 | Cole et al. 2001 |
| Y. pestis | 4.6 | 4061 | 160 | 0 | Parkhill et al. 2001 |
| E. coli K-12 strain | 4.6 | 1100 | 95 | 0 | Homma et al. 2002 |
| E. coli, O157 strain | 5.5 | 6000 | 101 | 0 | Homma et al. 2002 |
| S. cerevisiae | 12.1 | 6340 | 241 | 0 | Harrison et al. 2002a |
| C. elegans | 102.9 | 20,009 | 2168 | 208 | Harrison et al. 2001 |
| D. melanogaster | 128.3 | 14,332 | 110 | 34 | Harrison et al. 2003 |
| A. thaliana | 115.4 | 25,464 | >700 | ?? | Arabidopsis Genome Initiative 2000 |
| H. sapiens | 3040 | 22,000–39,000 | 13,398 (19,929)a | 9747 | This study |
| M. musculus | 2493 | 22,011 | 14,000 (∼10,000)b | (4700)b | Waterston et al. 2002 |
a The number in the parentheses includes pseudogenic fragments
b Unpublished results by the authors