多蛋白介导复合体在植物生长发育中的功能多样性

IF 6 2区 生物学 Q1 PLANT SCIENCES Critical Reviews in Plant Sciences Pub Date : 2023-05-04 DOI:10.1080/07352689.2023.2211848
Ankita Prusty, Shivam Sharma, Naveen Malik, S. Kapoor, A. Tyagi
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引用次数: 0

摘要

真核生物多亚基介质复合体在转录激活因子/阻遏因子和一般转录机制之间进行协调,指导严格的转录调控。在植物中,对中介体复合体的研究最近取得了进展。来自拟南芥和其他植物的一些报道提供了介体复合体/亚基的结构和功能的细节。植物中介复合物亚基由多个同源基因编码,形成一个复杂的网络,调控植物生长发育的各个方面。中介复合物的不同亚基在塑造整个植物结构中具有不同的作用,并涉及多种激素信号。在植物的营养和生殖阶段,中介复合物亚单位的关键作用都是显而易见的。它还介导代谢物稳态和非编码RNA的产生。虽然功能保护归因于中介复合物的几个亚基,但不同的机制方面也正在出现。新知识的整合极大地提高了我们对植物不同性状转录控制复杂性的理解。
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Functional Versatility of Multi-Protein Mediator Complex in Plant Growth and Development
Abstract The eukaryotic multi-subunit Mediator complex coordinates between transcription activators/repressors and general transcription machinery to direct a rigid transcriptional regulation. In plants, investigations on the Mediator complex have gained pace recently. Several reports from Arabidopsis and other plants provide details of the structure and function of the Mediator complex/subunits. Plant Mediator complex subunits are encoded by multiple paralogous genes and form a complex network regulating diverse aspects of plant growth and development. Different subunits of the Mediator complex are shown to have diverse roles in shaping overall plant architecture and involve multiple hormonal signals. The critical role of the Mediator complex subunits is evident in both the vegetative and reproductive phases of plants. It also mediates metabolite homeostasis and non-coding RNA production. While functional conservation has been attributed to several subunits of the Mediator complex, diverse mechanistic aspects are also emerging. The integration of new knowledge greatly improves our understanding of the complexity of transcriptional control of different traits in plants.
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来源期刊
CiteScore
12.90
自引率
1.40%
发文量
15
审稿时长
>12 weeks
期刊介绍: Critical Reviews in Plant Sciences focuses on presenting in-depth and up-to-date reviews of timely and/or cutting-edge subjects in the broad discipline of plant science, ranging from molecular biology/biochemistry through the areas of cell biology, plant pathology and physiology, genetics, classical botany, and ecology, to practical agricultural applications. Articles in the journal provide an up-to-date literature base for researchers and students, pointing the way towards future research needs. The journal is also a significant source of credible, objective information to aid decision makers at all levels.
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