Table 1

A comprehensive collection of OR genes in complete mammalian genomes

Organism
Species name
Genome assemblya
Number of OR genesb
Number of genomic clusterswith more than one gene
Number of singleton clusters(a single gene)

Human
Homo sapiens
hg17
851 (765)
50
30
Dog
Canis familiaris
canFam1
922 (804)
45
14
Mouse
Mus musculus
mm6
1,296 (1,228)
43
20
Rat
Rattus norvegicus
rn3
1,758 (1,654)
53
33
Opossum
Monodelphis domestica
monDom1
1,518 (1,518)
92
71
Chicken
Gallus gallus
galGal2
554 (45)
7
4

aFormal release name as appears in UCSC genome browser [56]. bIn parentheses: the number of genes used in this study after discarding genes that are mapped to 'chrUn' or 'random', and human genes from subfamily OR7E. OR, olfactory receptor; UCSC, University of California at Santa Cruz.

Aloni et al. Genome Biology 2006 7:R88   doi:10.1186/gb-2006-7-10-r88