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甲烯耐受性和胚胎细胞表达的JH受体的相互作用模式表明它们的功能存在显著差异

M Kolonko-Adamska¹, A Zawadzka-Kazimierczuk², P Bartosińska-Marzec²

¹Department of Biochemistry, Molecular Biology and Biotechnology, Wroclaw University of Science and Technology, Wroclaw, Poland.

Frontiers in molecular biosciences

|September 1, 2023

概括

胚胎细胞表达 (Gce) 和甲烯耐受性 (Met) 蛋白质是Drosophila中的青春激素 (JH) 受体. 它们与14-3-3和Ftz-F1等伴侣互动模式的差异解释了它们独特的发育角色.

科学领域:

发展生物学发展生物学
分子内分泌学分子内分泌学
蛋白质与蛋白质之间的相互作用

背景情况:

甲烯耐受性 (Met) 和生殖细胞表达 (Gce) 蛋白质是已知的青春激素 (JH) 受体,在Drosophila melanogaster.
这些类比表现出部分冗余的函数,引发了关于它们的功能差异化的问题.

研究的目的:

研究Met和Gce蛋白之间的功能差异化的分子基础.
在没有JH的情况下,分析Met和Gce与关键合作伙伴的独特交互模式.

主要方法:

进行了蛋白相互作用测试,以评估Met,Gce和它们各自的C-终端 (MetC,GceC) 与14-3-3和Ftz-F1连接体结合域之间的结合.
用详细的结构分析来理解这些相互作用的分子基础.

主要成果:

在没有JH的情况下,Gce和GceC与14-3-3相互作用,而Met和MetC则没有.
GceC和全长的Gce与Ftz-F1相互作用,而只有MetC (不是全长的Met) 与没有JH的Ftz-F1相互作用.
三级结构和绑定站点可访问性的差异可能推动了这些独特的交互配置文件.

结论:

Met和Gce与14-3-3和Ftz-F1等合作伙伴的明确相互作用模式有助于它们的功能分歧.
这些相互作用影响亚细胞局部化和蛋白质活性,影响Drosophila发育.
Gce似乎是一个更普遍和活跃的模拟器,与其拟议的祖先作用相一致.

关键词:

这种植物是Drosophila melanogaster.胚胎细胞表达的生殖细胞激素受体激素受体是什么青春期激素是青春期的激素能耐受甲烯的结构功能结构功能

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