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    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Super Spy variants implicate flexibility in chaperone action

    Shu Quan, Lili Wang ... James CA Bardwell
    Lab-evolved 'super Spy' chaperones show enhanced flexibility, which allows them to bind to and stabilize proteins more effectively than natural chaperones.
    1. Cell Biology

    Glucose intake hampers PKA-regulated HSP90 chaperone activity

    Yu-Chen Chen, Pei-Heng Jiang ... Shu-Chun Teng
    Food overconsumption impairs cellular protein folding through a novel aging-related signaling pathway.
    1. Cell Biology
    2. Developmental Biology

    ZMYND10 functions in a chaperone relay during axonemal dynein assembly

    Girish R Mali, Patricia L Yeyati ... Pleasantine Mill
    Chaperoning defects in axonemal dynein subunits trigger proteostatic clearance of dynein motors opening up the possibility of trialling proteostasis modulators to treat the motile ciliopathy primary ciliary dyskinesia (PCD).
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Dedicated chaperones coordinate co-translational regulation of ribosomal protein production with ribosome assembly to preserve proteostasis

    Benjamin Pillet, Alfonso Méndez-Godoy ... Dieter Kressler
    A novel co-translational mechanism continuously adjusts the expression levels of ribosomal proteins Rpl3 and Rpl4 to their consumption during ribosome synthesis by regulating the abundance of their mRNAs.
    1. Biochemistry and Chemical Biology
    2. Physics of Living Systems

    Hsp70 chaperones are non-equilibrium machines that achieve ultra-affinity by energy consumption

    Paolo De Los Rios, Alessandro Barducci
    ATP consumption enables chaperones to exploit the different kinetic properties of their conformational states to exhibit a non-equilibrium affinity for their substrates that is orders of magnitude higher than its equilibrium value.
    1. Computational and Systems Biology
    2. Genetics and Genomics

    Hsp70-associated chaperones have a critical role in buffering protein production costs

    Zoltán Farkas, Dorottya Kalapis ... Csaba Pál
    Protein biosynthesis and protein quality control jointly determine protein production costs.
    1. Cell Biology
    2. Genetics and Genomics

    Targeting DNA topoisomerases or checkpoint kinases results in an overload of chaperone systems, triggering aggregation of a metastable subproteome

    Wouter Huiting, Suzanne L Dekker ... Steven Bergink
    Various genotoxic stresses trigger widespread aggregation of abundant, liquid-liquid phase separation-prone proteins, suggesting that genotoxic stress is a potential driver of disease-associated protein aggregation.
    1. Biochemistry and Chemical Biology

    Adenosine diphosphate restricts the protein remodeling activity of the Hsp104 chaperone to Hsp70 assisted disaggregation

    Agnieszka Kłosowska, Tomasz Chamera, Krzysztof Liberek
    Hsp70 chaperone provides Hsp104 with high efficiency in disaggregation and specificity towards aggregated substrates at the, otherwise limiting, cellular concentrations of adenine nucleotides.
    1. Microbiology and Infectious Disease

    Structural basis for effector transmembrane domain recognition by type VI secretion system chaperones

    Shehryar Ahmad, Kara K Tsang ... John C Whitney
    A widespread family of chaperones functions to stabilize membrane protein effectors by mimicking transmembrane helical environments and promotes effector export by the bacterial type VI secretion system.
    1. Immunology and Inflammation

    EROS is a selective chaperone regulating the phagocyte NADPH oxidase and purinergic signalling

    Lyra O Randzavola, Paige M Mortimer ... David C Thomas
    Biochemical and cellular analyses reveal the mechanism by which EROS regulates NOX2 and P2X7 abundance in mouse and human.