TABLE 1.
A potential relationship between unbalanced homeologs and gene duplications in wheat MADS-box gene family.
| Subfamily | Total homeologs a | Balanced homeologs b | Unbalanced homeologs c | Gene duplications |
|---|---|---|---|---|
| Mα | 53 | 33 | 20 | Present |
| Mβ | 28 | 10 | 18 | Present |
| Mγ | 47 | 26 | 21 | Present |
| AG/STK | 12 | 12 | 0 | Absent |
| AGL12 | 6 | 6 | 0 | Absent |
| AGL17 | 31 | 22 | 9 | Present |
| AGL6 | 3 | 3 | 0 | Absent |
| AP1 | 9 | 9 | 0 | Absent |
| AP3 | 6 | 6 | 0 | Present d |
| Bsister | 19 | 10 | 9 | Present |
| MIKC* | 27 | 21 | 6 | Present |
| OsMADS32 | 3 | 3 | 0 | Absent |
| PI | 6 | 6 | 0 | Absent |
| SEP | 28 | 25 | 3 | Present |
| SOC1 | 13 | 12 | 1 | Present |
| SVP | 9 | 9 | 0 | Absent |
a
Total number of gene copies from three different wheat genomes (A, B, D).
b
At least one gene copy is present in all diploid genomes.
c
Gene copy is missing in one or two genomes.
d
Exception-gene duplications identified despite holding balanced homeologs.