植物温敏雄性不育分子机理研究进展

摘要

温敏雄性不育在作物杂种优势利用上特别具有优越性.迄今,已在许多植物中发现温敏雄性不育系,并广泛用于两系法杂交育种.随着分子生物学的飞速发展,目前已从分子水平揭示温敏雄性不育的本质,为其进一步开发与利用奠定了基础.该研究从基因分子定位、基因差异表达等方面综述了植物温敏雄性不育的育性转换分子机理,并深入探讨了导致温敏雄性不育的基因差异表达的机制.%Thermo-sensitive genic male sterile (TGMS) lines have specific superiority in heterosis utilization of crops.So far,thermo-sensitive genic male sterile lines have been found in many plants and are widely used in two-line hybrid breeding.With the rapid development of molecular biology,the molecular nature of thermo-sensitive genic male sterility has been revealed,which lays the foundation for further development and utilization of thermo-sensitive genic male sterile lines.In this study,the molecular mechanisms of fertility conversion of plant thermo-sensitive genic male sterile lines were reviewed from gene molecular mapping and gene differential expression,and the mechanisms of gene differential expression in thermo-sensitive genic male sterile lines were further discussed.