A5113291868- Plant Reproductive Biology
- Plant Molecular Biology Research
- Plant Virus Research Studies
- Chromosomal and Genetic Variations
South China Agricultural University
2024-2025
Abstract As a typical monoecious plant, maize (Zea mays L.) produces unisexual male and female flowers comprising tassels ears, respectively. However, the molecular mechanisms underlying flower development remain largely unclear. Here, we identify pair of homeodomain-leucine zipper (HD-ZIP) transcription factors, Grassy tiller1 (GT1) ZmHB13 (also termed VRS1-like1, VRL1), which act synergistically to control carpel in maize. Mutations GT1, but not ZmHB13/VRL1, cause defects abortion tassels,...
Summary Maize silk is a specialized type of stigma, covered with numerous papillae for pollen grain capture. However, the developmental process stigmatic and underlying regulatory mechanisms have remained largely unknown. Here, we combined cytological, genetic molecular studies to demonstrate that three homologous genes ZmSPL10 , ZmSPL14 ZmSPL26 play central role in promoting papilla formation maize. We show their triple knockout mutants are nearly complete lack papilla, resulting severe...