rice-fertility
Rice fertility refers to the reproductive capacity of rice plants, encompassing the processes of pollen viability, pollination, fertilization, and seed set that determine grain yield. Understanding the molecular and physiological mechanisms governing fertility is critical for improving crop productivity, as disruptions—whether from genetic mutations, environmental stress, or cytoplasmic male sterility—can dramatically reduce grain production. Research in this area underpins hybrid seed breeding programs and efforts to develop climate-resilient varieties capable of maintaining reproductive success under heat, drought, and other adverse conditions.
PubMed · 2026-03-24
Researchers identified and characterized a family of genes in rice (OsENTH) that play important roles in pollen germination and the growth of pollen tubes, which are essential for fertilization and grain production. Understanding these genes could help improve rice fertility and ultimately crop yields.
Multiple OsENTH genes were comprehensively catalogued and analyzed in the rice genome, establishing a complete gene family profile.
Functional characterization confirmed that OsENTH genes are actively involved in regulating pollen germination and pollen tube growth processes critical for fertilization.
The study provides molecular targets that could be manipulated to influence reproductive success in rice.
