Table 4. Review of MHC structure in galliform species.
Species | Code | N loci | gDNA | cDNA | Y locus | Gene Names | References |
Coturnix japonica | Coja | 7 | + | + | ? | DAB1, DBB1, DCB1, DDB1,DEB1, DFB1, DGB1 | [39]–[41] |
Gallus gallus | Gaga | 2 | + | + | + | BLB1, BLB2 | [24], [26], [34], [40], [69] |
Gallus lafayetii | Gala | ? | + | − | ? | − | [94] |
Meleagris gallopavo | Mega | 3 | + | + | + | − | [72], [82] |
Numida meleagris | Nume | ? | + | + | ? | − | [95] |
Pavo cristatus | Pacr | 3 | + | − | ? | − | [96] |
Perdix perdix | Pepe | 2 | + | + | ? | DAB | this study |
Phasianus colchicus | Phco | 2 | + | + | + | DAB1, DAB2 | [13], [37], [40], [81] |
Tetrao tetrix | Tete | 2 | + | + | + | − | [32] |
Tympanuchus cupido | Tycu | 4 | + | − | + | − | [73] |
Most galliform species display low number of MHCIIB loci, except the migratory Japanese Quail (Coturnix japonica). The second genetically unlinked MHC region called Y locus has been found in half of them. Columns gDNA and cDNA show what kind of template was used in the studies. Species are ordered alphabetically. Used symbols:+yes, - no, ? yet unknown.