Table 4.
Genes that control the anthocyanin accumulation in maize.
| Gene Name | Family | Locus | Function | Regulates | Expression of Functional Allele | Paramutation |
|---|---|---|---|---|---|---|
|
c1 (ZmMYB1) |
R2R3-MYB | 9S | + | a1, a2, bz1, bz2, and c2 | Aleurone and scutellum | Not known |
|
pl1 (ZmMYB2) |
R2R3-MYB | 6L | + | Same as c1 | Sheaths, pericarp, husk, culms, cob, and anther glumes | Yes |
|
p1 (ZmMYB3) |
R2R3-MYB | 1S | + (works alone) | a1 and ch1 | Pericarp, silks, cob, and anther glumes | Yes |
| p2 (ZmMYB55) | R2R3-MYB | 1S | + (works alone) | Same as p1 | Silks and anther glumes | Not known |
|
r1 (ZmbHLH1) |
bHLH | 10L | + | a1, a2, bz1, bz2, and c2 | Anthers, brace roots, leaf blade tips, aleurone. and scutellum | Yes |
|
b1 (ZmbHLH2) |
bHLH | 2S | + | Same as r1 | Sheaths, pericarp, husk, culms, cob, and anther glumes | Yes |
| in1 | bHLH | 7S | - | r1 | Competition against r1 | Not known |
| pac1 (ZmWD40) | WD40 | 5L | + | a1, a2, bz1, bz2, and c2 | Any anthocyanin pigmented tissue | Not known |
| a3 | - | 3L | - | b1 | Dominant inhibitor | Not known |