
Reversible phase separation of HSF1 is required for an acute ...
2022年3月7日 · Our work reveals an inducible and reversible phase-separation feedback mechanism for dynamic regulation of HSF1 activity to drive the transcriptional response and maintain protein homeostasis...
The heat‐shock protein/chaperone network and multiple stress …
2016年11月10日 · Although it has been historically linked with the heat stress response, the heat-shock protein (HSP)/chaperone network is a major component of multiple stress responses. Among the HSP/chaperone ‘client proteins’, many are primary metabolism enzymes and signal transduction components with essential roles for the proper functioning of a cell.
植物热激转录因子家族的研究进展 - Chinese Journal of ...
植物热激转录因子 (Heat shock transcription factors,HSFs) 作为植物体内广泛存在的一类转录因子,能够响应多种非生物胁迫。 文中就HSFs的结构、信号调控机制以及其在主要植物拟南芥、番茄、水稻和大豆中的研究进行回顾和总结,以期为进一步阐明HSFs在逆境调控网络中的作用提供 …
热休克因子 1 (HSF1) 和热休克蛋白 (HSP) 在铁死亡中的新作用 …
2023年3月14日 · 细胞采用一种保存完好的生理应激反应机制,称为热休克反应,以激活某种类型的分子伴侣,称为热休克蛋白 (hsp)。 HSP 被称为热休克因子 (HSF) 的热休克基因的转录激活因子激活。
Heat stress transcription factors as the central molecular rheostat …
2024年7月26日 · Heat stress transcription factors (HSFs) are the core regulators of the heat stress (HS) response in plants. HSFs are considered as a molecular rheostat: their activities define the response intensity, incorporating information about the environmental temperature through a network of partner proteins.
Nat Chem Biol | 项晟祺/侯中怀/姚雪彪揭示HSF1温度依赖性相分离机制|细胞|翻译|活性|hsf…
2025年1月11日 · 热休克转录因子1 (HSF1) 是这一反应的核心调控因子,能够快速感知温度变化并诱导分子伴侣等基因的表达,从而维持细胞内蛋白质稳态。 HSF1的活性受到翻译后修饰 (PTMs) 的精确调控,这些修饰影响其相分离能力及下游基因的转录 (Zhang, Shao et al. 2022) 。 这种精细的热休克应答反应不仅对细胞的即时生存和长期环境适应至关重要,还与多种疾病的发生发展密切相关。 尽管HSF1的温度感应、相分离和PTMs调控在细胞应激反应和疾病中的作 …
热休克基因转录的调节:热休克转录因子(HSF)的结构与功能
2016年10月28日 · hsf 在热应激反应中的主要功能 , 是在热休克基因的表达过程中与相应启动子结合 ,启动基因的转录过程 ,最终促进 hsp的表达 (详见后述)。但在高等真核生物体内 , 如脊椎动物及哺乳动物 , 不同种类的 hsf, 虽然结构上很相似 , 但功能上却出现了不同程度的差异 ...
The plant heat stress transcription factor (Hsf) family: Structure ...
2012年2月1日 · Current knowledge of multiplicity, structure and function of the plant Hsf family. Structure and phylogenetic relationship compiled for 250 Hsfs from 9 species. Diversification and specific Hsf interactions are major aspects of Hsf function. Hsf activity, localization and stability are specifically regulated by chaperones. Hsfs linked to ...
Small HSPs play an important role in crosstalk between HSF-HSP …
2022年4月19日 · Genes of the heat stress transcription factor (HSF) family and the small heat shock proteins (small HSPs, also known as HSP20) family responded to heat stress early and quickly. Compared to that of the calcium signal and hormone pathways, DEGs of the HSF-HSP pathway and reactive oxygen species (ROS) pathway were significantly and highly induced.
HSP90 inhibitors disrupt a transient HSP90-HSF1 interaction …
2018年5月3日 · Heat shock factor 1 (HSF1) is an evolutionarily conserved transcription factor that initiates the cytoprotective heat shock response (HSR). Found throughout the eukaryotic...