Genetic Regulation of the Multiple-Grain Spikelet Trait in Sorghum: Insights into MGS1 and Its Role in Enhancing Grain Yield
The MGS1 gene in sorghum, encoding a MIKC-type MADS-box transcription factor, regulates the multiple-grain spikelet (MGS) trait, with natural mutations like mgs19E and mgs1BA45 significantly increasing grain yield by producing adjacent double-pistil primordia.