Completed Genomes
Organism Genome
Estimated
Size
(Mb) Genes
Caenorhabditis elegans 100
Saccharomyces cerevisiae 12.1 6034
Escherichia coli
4.6 4288
Bacillus subtilus
4.2 ~4000
Synechocystis sp.
3.6 3168
*Archaeoglobus fulgidus
2.2 2471
*Pyrobaculum aerophilum
2.2 N.A.
Haemophilus influenzae
1.8 1740
*Methanobacterium
thermoautotrophicum
1.8 1855
Helicobacter pylori
1.7 1590
*Methanococcus jannaschii 1.7 1692
*Aquifex aolicus 1.5 1508
Borrelia burgdorferi 1.3
863
Treponema pallidum 1.1
1234
Mycoplasma pneumoniae 0.8
677
*Mycoplasma genitalium 0.6
470
*Mycoplasma genitalium 0.6
470
Treponema pallidum 1.14
Chlamydia trachomatis 1.05
Plasmodium falciparum
Chr2 1
Rickettsia prowazekii 1.1
Helicobacter pylori 1.64
Leishmania major
Chr1 .27