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动物体系中的甾醇类激素在动物细胞的生长发育中发挥重要调控作用,其信号转导途径主要是通过核受体直接调控基因表达。近年来,人们研究发现植物细胞中也存在甾醇类激素,并发现了膜受体复合物的重要组成部分BMI1和通过膜受体介导的信号转导途径,使得油菜素甾醇类信号从膜上被感知一直到在核内诱导特异基因表达的信号转导途径有了一个基本的轮廓。本文简要介绍了该领域的最新进展并进行了讨论。
Steroid hormones in animal systems play an important regulatory role in the growth and development of animal cells, and their signal transduction pathways mainly regulate gene expression directly through nuclear receptors. In recent years, studies have found that plant cells also present steroid hormones, and found that an important part of the membrane receptor complex BMI1 and through the membrane receptor-mediated signal transduction pathway, making brassinosteroid signal from the membrane There is a basic outline of the signal transduction pathway that is perceived until the induction of specific gene expression in the nucleus. This article briefly introduces the latest developments in this area and discusses them.