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Plant cell cycle regulators: Mitogen-activated protein kinase, a new regulating switch?
Plant Science ( IF 4.2 ) Pub Date : 2020-12-01 , DOI: 10.1016/j.plantsci.2020.110660
Gopal Banerjee , Dhanraj Singh , Alok Krishna Sinha

Cell cycle is essential for the maintenance of genetic material and continuity of a species. Its regulation involves a complex interplay between multiple proteins with diverse molecular functions such as the kinases, transcription factors, proteases and phosphatases. Every step of this cycle requires a certain combination of these protein regulators which paves the way for the next stage. It is now evident that plants have their own unique features in the context of cell cycle regulation. Cell cycle in plants is not only necessary for maintenance of its physio-morphological parameter but it also regulates traits important for mankind like grain or fruit size. This makes it even more important to understand how plants regulate its cell cycle amidst various a/biotic stresses it is subjected to during its lifetime. The association of MAPK signaling pathways with every major developmental and stress response pathways in plants raises the question of its potential role in cell cycle regulation. There are number of cell cycle regulating proteins with putative sites for MAPK phosphorylation. The MAPK signaling pathway may directly or in a parallel pathway regulate the plant cell cycle. Unraveling the role of MAPK in cell cycle will open up new arenas to explore.

中文翻译:

植物细胞周期调节剂:丝裂原活化蛋白激酶,一种新的调节开关?

细胞周期对于维持遗传物质和物种的连续性至关重要。其调节涉及具有不同分子功能的多种蛋白质之间的复杂相互作用,例如激酶、转录因子、蛋白酶和磷酸酶。这个循环的每一步都需要这些蛋白质调节剂的某种组合,为下一阶段铺平道路。现在很明显,植物在细胞周期调节的背景下具有自己独特的特征。植物中的细胞周期不仅是维持其生理形态参数所必需的,而且还调节对人类重要的性状,如谷物或果实大小。这使得了解植物如何在其一生中受到的各种非生物胁迫中调节其细胞周期变得更加重要。MAPK 信号通路与植物中每个主要发育和应激反应通​​路的关联引发了其在细胞周期调节中的潜在作用的问题。有许多细胞周期调节蛋白具有 MAPK 磷酸化的假定位点。MAPK 信号通路可直接或以平行通路调节植物细胞周期。阐明 MAPK 在细胞周期中的作用将开辟新的探索领域。
更新日期:2020-12-01
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