转录因子在控制植物在环境条件变化时的反应中起重要作用。工厂关键需求供应的任何波动，比如最佳光线，温度,和水导致基因信号通路的重编程。同时,植物还根据发育的各个阶段评估和转移其代谢。植物色素相互作用因子是调节植物发育和基于外部刺激的生长的最重要的转录因子之一。这篇综述集中在各种生物中PIF的鉴定，各种蛋白质对PIF的调节，拟南芥PIF在种子萌发等多种发育途径中的功能，光形态发生,开花,衰老，种子和果实发育，和外部刺激诱导的植物反应，如避荫反应，热形态发生，和各种非生物胁迫反应。与水稻等作物的PIF功能表征有关的最新进展，玉米,和番茄也被纳入这篇综述，以确定PIF作为增强这些作物农艺性状的关键调节剂的潜力。因此，已尝试提供PIF在植物各种过程中的功能的整体视图。
Transcription factors play important roles in governing plant responses upon changes in their ambient conditions. Any fluctuation in the supply of critical requirements for plants, such as optimum light, temperature, and water leads to the reprogramming of gene-signaling pathways. At the same time, plants also evaluate and shift their metabolism according to the various stages of development. Phytochrome-Interacting Factors are one of the most important classes of transcription factors that regulate both developmental and external stimuli-based growth of plants. This
review focuses on the identification of PIFs in various organisms, regulation of PIFs by various proteins, functions of PIFs of Arabidopsis in diverse developmental pathways such as seed germination,
photomorphogenesis, flowering, senescence, seed and fruit development, and external stimuli-induced plant responses such as shade avoidance response, thermomorphogenesis, and various abiotic stress responses. Recent advances related to the functional characterization of PIFs of crops such as rice, maize, and tomato have also been incorporated in this
review, to ascertain the potential of PIFs as key regulators to enhance the agronomic traits of these crops. Thus, an attempt has been made to provide a holistic view of the function of PIFs in various processes in plants.
