Table 1

General features of bacterial, yeast, nematode and mammalian genomes

Species

Genome size (Mbp)

Repetitive sequences (%)

Transcriptional units

Protein-coding genes

Introns

References


Escherichia coli

4.6

0.7

5,471

4,288

[12,74]

Saccharomyces cerevisiae

12

3.2

6,682

6,183

233

[13]

Caenorhabditis elegans

100.3

16.5

19,646

18,808

99,237

[73]

Caenorhabditis briggsae

104

22.4

20,469

19,507

94,832

[73]

Mus musculus

2,500

40

33,409

22,011

191,500

[3,4]

Homo sapiens

2,900

44

25,003

22,808

177,000

[3,5,14]


Shabalina and Spiridonov Genome Biology 2004 5:105