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使用菌体识别的脱水素客户端蛋白显示亲和力选择的图书馆用对结尾菌体测序处理

Sandra Helena Unêda-Trevisoli¹, Lynnette M A Dirk², Francisco Elder Carlos Bezerra Pereira³

¹Department of Horticulture, Martin-Gatton College of Agriculture, Food and Environment, University of Kentucky, Lexington, Kentucky, USA; Seed Biology Program, University of Kentucky, Lexington, Kentucky, USA; Department of Crop Production, São Paulo State University (Unesp), School of Agricultural and Veterinarian Sciences, São Paulo, Brazil.

Molecular & cellular proteomics : MCP

|October 23, 2024

概括

晚期胚胎发生丰富的蛋白质 (LEAPs) 与特定的客户端蛋白质 (CtPs) 结合,揭示了它们的保护机制. 这项研究确定了植物中共同的LEAP目标,提供了对非生物应激耐受性的见解.

关键词:

客户端蛋白质是一种客户端蛋白质.晚期胚胎生成丰富的蛋白质.配对终端测序是对对进行的.菌体显示器可以显示菌体.与温度相关的强度变化试验试验.

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科学领域:

植物分子生物学植物分子生物学
蛋白质的生物化学蛋白质的生物化学
无生物应激反应的应激反应

背景情况:

晚期胚胎生成丰富蛋白质 (LEAPs) 是内在无序的蛋白质,与非生物应激耐受性有关.
据认为,LEAP功能涉及与客户端蛋白质 (CtPs) 结合以进行保护,但特定的CtPs在很大程度上仍未确定.
了解LEAP-CtP相互作用对于阐明它们的保护机制至关重要.

研究的目的:

为了识别从阿拉比多普西斯和大豆中结合LEAP正基因的客户端蛋白 (CtPs).
描述与LEAP互动的CtP的约束领域.
用独立的实验方法验证LEAP-CtP相互作用.

主要方法:

菌体显示亲和性选择被用来选植物蛋白库与LEAP正义学.
affinity-purified 菌体的高通量测序被用来识别LEAP结合蛋白.
在植物双分子光补充 (BiFC) 试验和与温度相关的强度变化分析被用于验证.

主要成果:

在Arabidopsis和大豆LEAP正义词之间确定了LEAP结合性CtP的共同目录.
该研究揭示了CtP内部的特定域,包括参与LEAP结合的脱水素Y段和K域.
在植物中证实了LEAP:CtP相互作用,验证了菌体显示结果.

结论:

这些发现确定了新的LEAP客户端蛋白质,并阐明了LEAP-CtP相互作用的分子基础.
这项工作为LEAPs在植物蛋白质保护和非生物应激耐受性方面的作用提供了关键的见解.
已确定的LEAP-CtP相互作用为工程增强作物应激弹性提供了潜在的目标.