Table 1 Numbers of T2R genes and pseudogenes in vertebrates and their chromosomal/contig locationsa
From: Dynamic evolution of bitter taste receptor genes in vertebrates
Species | Intact | Partial | Pseudo | Total | Fraction of pseudogenes | Chromosome/contig locations | |
|---|---|---|---|---|---|---|---|
Mammal | Human | 24 | 0 | 10 | 34 | 28% | chr5,chr7,chr12 |
| Â | Macaque | 26 | 1 | 11 | 38 | 29% | chr3,chr6,chr9,chr11,chrUn |
| Â | Mouse | 33 | 0 | 9 | 42 | 21% | chr2,chr6,chr15 |
| Â | Rat | 36 | 1 | 5 | 42 | 12% | chr2,chr3,chr4 |
| Â | Dog | 15 | 0 | 5 | 20 | 25% | chr14,chr16,chr27,chr34 |
| Â | Cow | 18 | 0 | 15 | 33 | 45% | chr4,chr5,chr20,chrUn |
| Â | Horse | 19 | 0 | 36 | 55 | 65% | chr4,chr6,chr21,chrUn |
| Â | Opossum | 26 | 3 | 7 | 36 | 19% | chr2,chr3,chr7,chr8 |
| Â | Platypus | 4 | 1 | 1 | 6 | 16% | chr4,Ultra450,Contig68031,Contig12097 |
Bird | Chicken | 3 | 0 | 0 | 3 | 0 | chr1,chr3 |
Reptiles | Lizard | 37 | 2 | 10 | 49 | 20% | Â |
Amphibians | Frog | 49 | 3 | 14 | 66 | 21% | Â |
Teleost fishes | Fugu | 4 | 0 | 0 | 4 | 0 | chrUn |
| Â | Puffer fish | 6 | 0 | 0 | 6 | 0 | chr2,chr12 |
| Â | Stickleback | 3 | 0 | 0 | 3 | 0 | chrXVI,chrXIII |
| Â | Zebrafish | 4 | 0 | 0 | 4 | 0 | chr8,chr9 |