SPECIES COMMON IDENTITY SEQUENCE SIZE (BASE PAIRS) NO. OF GENES BioWorld Ref
Arabidopsis thaliana Mouse-ear cress 115,409,949 25,498 Dec. 15, 2000
Drosophila melanogaster Fruit fly 120 million 13,601 April 10, 2000
Human Chromosome 21 Down syndrome site 33,546,361 225 May 10, 2000
Vibrio cholerae Cause of cholera 4,033,460 3,885 Aug. 3, 2000
Pseudomonas Ubiquitous pathogen of hospital sepsis, cystic fibrosis death 6.3 million 5,570 Aug. 31, 2000
Ureaplasma urealiticum Mollicutes mucosal mucosal pathogen 751,719 652 Oct. 12, 2000