Table 1

Composition of olfactory receptor genes for each pig chromosome
Chromosome number No. of functional genes No. of pseudogenes (%) Total no. of OR genes No. of subfamilies
1 104 24 (19) 128 47
2 341 65 (16) 406 121
3 19 0 (0) 19 8
4 30 6 (17) 36 21
5 82 18 (18) 100 22
6 13 1 (7) 14 4
7 208 45 (18) 253 61
8 1 0 (0) 1 1
9 188 14 (7) 202 72
10 0 1 (100) 1 1
11 0 0 0 0
12 27 2 (7) 29 8
13 38 5 (12) 43 16
14 16 2 (11) 18 8
15 12 0 (0) 12 2
16 0 0 0 0
17 0 0 0 0
18 8 0 (0) 8 3
X 17 3 (15) 20 11
Y 0 0 0 0
U 9 2 (18) 11 10
Total 1,113 188(14) 1,301

Note: In the case of the absence of both OR functional genes and pseudogenes, the pseudogene % was not indicated.

Nguyen et al.

Nguyen et al. BMC Genomics 2012 13:584   doi:10.1186/1471-2164-13-584

Open Data