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Chapter 25

The Cytoskeleton I: Actin and Microfilaments

细胞骨架简介
细胞骨架简介
Overview of the Cytoskeleton The cytoskeleton is a network of protein filaments present within the cell, having three distinct filaments ...
细胞骨架丝的适应性
细胞骨架丝的适应性
The cytoskeleton is a complex dynamic structure performing varied functions based on cellular requirements. The adaptability of the individual filaments ...
细胞骨架的极性
细胞骨架的极性
The intrinsic polarity of cells can be primarily attributed to two factors- i) the asymmetric accumulation of mobile components such are regulatory ...
细胞骨架丝的组装
细胞骨架丝的组装
Cytoskeletal filaments are polymeric forms of smaller protein subunits. However, individual cytoskeletal filaments may easily disassemble or associate ...
细胞骨架连接蛋白 - Plakins
细胞骨架连接蛋白 - Plakins
Plakins are large proteins with binding domains for microtubules, microfilaments, intermediate filaments, and membrane-associated protein complexes at ...
细胞骨架辅助蛋白
细胞骨架辅助蛋白
The cytoskeleton is an essential cell component that plays several structural and functional roles. However, the filaments that make up the cytoskeleton ...
细菌中的细胞骨架蛋白
细菌中的细胞骨架蛋白
Bacterial cells were initially considered simple, randomly organized structures lacking a cytoskeleton. However, the discovery of cytoskeleton homologs in ...
病毒和细菌的细胞内运动
病毒和细菌的细胞内运动
Intracellular bacteria and viruses often comprise a group of highly infectious pathogens that can cause several diseases. Bacterial pathogens include ...
研究细胞骨架
研究细胞骨架
The cytoskeletal architecture can be studied using different microscopic and biochemical techniques. Electron microscopy was instrumental in discovering ...
肌动蛋白简介
肌动蛋白简介
Actin is a highly conserved cytoskeletal protein found abundantly in eukaryotic cells. It constitutes 10% weight of the total cellular protein in muscle ...
肌动蛋白聚合
肌动蛋白聚合
Actin polymerization occurs through the head-to-tail association of binding sites on monomeric actin or G-actin to form filamentous or F-actin. The ...
肌动蛋白跑步机
肌动蛋白跑步机
Actin filaments undergo polymerization and depolymerization from either end. The polymerization and depolymerization rates depend on the cytosolic ...
产生直或支链肌动蛋白丝
产生直或支链肌动蛋白丝
The straight or branched structure formation of actin filaments is controlled by nucleating proteins such as the formins and Arp2/3 complex. ...
肌动蛋白丝解聚
肌动蛋白丝解聚
Actin filaments (F-actin) are composed of actin subunits. The dissociation of actin monomers can occur from either end of F-actin. The rate of ...
高阶肌动蛋白丝的形成
高阶肌动蛋白丝的形成
The polymerization of G-actin monomers into filamentous F-actin is a multi-step process. Once the F-actins are formed, they can bundle together in ...
肌球蛋白结构和功能概述
肌球蛋白结构和功能概述
Myosins are a family of molecular motor proteins, first identified in the skeletal muscles, where they are responsible for muscle contraction. Along with ...
肌动蛋白和肌球蛋白在肌肉收缩中的应用
肌动蛋白和肌球蛋白在肌肉收缩中的应用
Actin and myosin are contractile proteins that form the sarcomere found in skeletal muscle tissues for regulating muscle contraction. Actin, a globular ...
肌动蛋白和肌球蛋白在非肌肉细胞中的作用
肌动蛋白和肌球蛋白在非肌肉细胞中的作用
Actin and myosin or actomyosin filaments also play a significant role in cells other than those involved in muscle contraction (which occurs within the ...
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