Table 1. Known maize meiotic genes with a specific function and maize homologs of well-established meiotic genes in other flowering plants.
| Known Gene | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Protein Name | Gene ID | Function Timing | Function | Reference | 0.15 mm | 0.25 mm | 0.4 mm | 0.7 mm | 1.0 mm |
| Ameiotic 1 | GRMZM5G883855 | Prophase I | Switch from mitotic to meiotic cell cycle | Pawlowski et al. 2009 | Off | On | Off | On | On |
| AFD1/REC8 | GRMZM2G059037 | Leptene | Establishment of meiotic chromotin structure | Gloubovskaya et al. 2006 | On | On | On | On | On |
| PHS1 | GRMZM2G100103 | Leptene-zygotene | Homology search | Pawlowski et al. 2004 | On | On | On | On | On |
| Rad51a1 | GRMZM2G121543 | Leptene-zygotene | Recombination, required for homologous pairing | Li et al. 2007 | On | On | On | On | On |
| Rad51a2 | GRMZM2G084762 | Leptene-zygotene | Recombination, required for homologous pairing | Li et al. 2007 | On | On | On | On | On |
| Homologs of Meiotic Factors | |||||||||
| SPO11-1 | GRMZM2G129913 | Leptene-zygotene | Meiotic DSB formation | Yu et al. 2010 | On | On | On | On | On |
| SPO11-2 | GRMZM5G890820 | Leptene-zygotene | Meiotic DSB formation | Yu et al. 2010 | N/A | N/A | N/A | N/A | N/A |
| SPO11-3 | GRMZM2G052581 | Leptene-zygotene | Meiotic DSB formation | Yu et al. 2010 | On | On | On | On | On |
| Rad51b | AC219006.2_FG007 | Zygotene | Recombination | Lin et al. 2006 | On | On | On | On | On |
| Rad51c | GRMZM2G123089 | Zygotene | Recombination | Lin et al. 2006 | On | On | On | On | On |
| Rad51d | GRMZM2G055464 | Zygotene | Recombination | Lin et al. 2006 | On | On | On | On | On |
| XRCC3 | GRMZM2G157817 | Zygotene | Recombination | Lin et al. 2006 | On | On | On | On | On |
| ZEP1/ZYP1 | GRMZM2G143590 | Zygotene | Component of the synaptonemal complex, regulates the numbers of crossovers | Wang et al. 2010b | On | On | On | On | On |
Expression patterns during early anther development are indicated at five developmental stages. Gene expression marked as “N/A” for genes not represented on the microarray.