Transcriptional regulation of tomato fruit ripening

IF 3.4 3区 生物学 Q1 PLANT SCIENCES
Priya Gambhir, Utkarsh Raghuvanshi, Rahul Kumar, Arun Kumar Sharma
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Abstract

An intrinsic and genetically determined ripening program of tomato fruits often depends upon the appropriate activation of tissue- and stage-specific transcription factors in space and time. The past two decades have yielded considerable progress in detailing these complex transcriptional as well as hormonal regulatory circuits paramount to fleshy fruit ripening. This non-linear ripening process is strongly controlled by the MADS-box and NOR family of proteins, triggering a transcriptional response associated with the progression of fruit ripening. Deepening insights into the connection between MADS-RIN and plant hormones related transcription factors, such as ERFs and ARFs, further conjugates the idea that several signaling units work in parallel to define an output fruit ripening transcriptome. Besides these TFs, the role of other families of transcription factors such as MYB, GLK, WRKY, GRAS and bHLH have also emerged as important ripening regulators. Other regulators such as EIN and EIL proteins also determine the transcriptional landscape of ripening fruits. Despite the abundant knowledge of the complex spectrum of ripening networks in the scientific domain, identifying more ripening effectors would pave the way for a better understanding of fleshy fruit ripening at the molecular level. This review provides an update on the transcriptional regulators of tomato fruit ripening.

Abstract Image

番茄果实成熟的转录调控
番茄果实内在的、由基因决定的成熟程序通常取决于组织和阶段特异性转录因子在空间和时间上的适当激活。过去二十年来,在详细研究这些对肉质果实成熟至关重要的复杂转录和激素调控回路方面取得了相当大的进展。这一非线性成熟过程受到 MADS-box 和 NOR 蛋白家族的强烈控制,引发了与果实成熟进程相关的转录反应。对 MADS-RIN 与植物激素相关转录因子(如 ERFs 和 ARFs)之间联系的深入研究,进一步证实了多个信号单元并行工作以确定果实成熟转录组输出的观点。除了这些转录因子外,MYB、GLK、WRKY、GRAS 和 bHLH 等其他转录因子家族也成为重要的成熟调节因子。其他调控因子,如 EIN 和 EIL 蛋白,也决定着成熟果实的转录格局。尽管科学界对复杂的成熟网络有丰富的了解,但确定更多的成熟效应因子将为在分子水平上更好地了解肉质水果的成熟铺平道路。本综述介绍了番茄果实成熟转录调控因子的最新情况。
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来源期刊
CiteScore
7.10
自引率
0.00%
发文量
126
期刊介绍: Founded in 1995, Physiology and Molecular Biology of Plants (PMBP) is a peer reviewed monthly journal co-published by Springer Nature. It contains research and review articles, short communications, commentaries, book reviews etc., in all areas of functional plant biology including, but not limited to plant physiology, biochemistry, molecular genetics, molecular pathology, biophysics, cell and molecular biology, genetics, genomics and bioinformatics. Its integrated and interdisciplinary approach reflects the global growth trajectories in functional plant biology, attracting authors/editors/reviewers from over 98 countries.
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