光周期敏感限制了温带地区对热带、亚热带玉米种质资源的引进。克隆玉米光周期相关基因并研究其功能和构建光周期调控网络，是解除这一限制的重要途径。在讨论不同植物光周期敏感调节机制保守性和差异性的基础上，结合其它植物（主要是拟南芥和水稻）光周期调控机制的研究现状，对玉米光周期性状的遗传特点以及相关基因的定位、克隆和功能研究进展进行了综述，总结了现阶段存在的问题。
英文摘要:
Photoperiod sensitivity is the main limiting factor for the introduction of tropical and subtropical maize germplasm resources in temperate zones. To break through the obstacle, cloning related genes and studying their functions to construct the gene regulation network of maize photoperiod sensitivity trait, are the major approaches. Photoperiod sensitive regulating mechanisms in different plants are with conservatism and differences. Based on the present studies on photoperiod sensitive regulating mechanism in Arabidopsis thaliana and Oryza sativa, we reviewed the genetic characteristics, gene mapping, gene functional characterization of maize photoperiod regulation mechanism and summarized the existing problems.
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