3,082 results found
    1. Chromosomes and Gene Expression

    Depletion or cleavage of cohesin during anaphase differentially affects chromatin structure and segregation

    Jonay Garcia-Luis, Hélène Bordelet ... Luis Aragon
    Cohesin role in chromosome organisation during anaphase is necessary for the segregation of chromosomes.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Meiosis I chromosome segregation is established through regulation of microtubule–kinetochore interactions

    Matthew P Miller, Elçin Ünal ... Angelika Amon
    Preventing premature interactions between microtubules and protein-based structures called kinetochores ensures that chromosomes are segregated by meiosis rather than mitosis in reproductive cells.
    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

    Cytosolic aggregation of mitochondrial proteins disrupts cellular homeostasis by stimulating the aggregation of other proteins

    Urszula Nowicka, Piotr Chroscicki ... Agnieszka Chacinska
    Defective mitochondrial protein import results in protein aggregation and a specific chaperone response in the cytosol, causatively linking mitochondrial function and cellular protein homeostasis disturbances observed in neurodegeneration.
    1. Physics of Living Systems

    Spatial control of irreversible protein aggregation

    Christoph Weber, Thomas Michaels, L Mahadevan
    A theoretical basis for the spatial regulation of protein aggregation shows how aggregates can partition preferentially into intracellular liquid compartments.
    1. Evolutionary Biology
    2. Genetics and Genomics

    Epistatic selection on a selfish Segregation Distorter supergene – drive, recombination, and genetic load

    Beatriz Navarro-Dominguez, Ching-Ho Chang ... Amanda M Larracuente
    African haplotypes of a meiotic drive supergene in Drosophila melanogaster called Segregation Distorter show signs of a recent selective sweep, reduced recombination, and increased genetic load.
    1. Physics of Living Systems

    High-molecular-weight polymers from dietary fiber drive aggregation of particulates in the murine small intestine

    Asher Preska Steinberg, Sujit S Datta ... Rustem F Ismagilov
    Polymers from dietary fiber can control the aggregation of particulates in the murine small intestine in a manner qualitatively consistent with depletion interactions.
    1. Developmental Biology

    Position- and Hippo signaling-dependent plasticity during lineage segregation in the early mouse embryo

    Eszter Posfai, Sophie Petropoulos ... Janet Rossant
    Lineage specification and commitment are synchronized in the developing trophectoderm lineage of the mouse embryo, but are asynchronous events in the maturing inner cell mass, revealing a window of plasticity in this lineage.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Chromosome mis-segregation and cytokinesis failure in trisomic human cells

    Joshua M Nicholson, Joana C Macedo ... Daniela Cimini
    Aneuploidy can cause chromosome mis-segregation and specific cellular phenotypes driven by expression of genes on the extra chromosome.
    1. Structural Biology and Molecular Biophysics

    Pathologic polyglutamine aggregation begins with a self-poisoning polymer crystal

    Tej Kandola, Shriram Venkatesan ... Randal Halfmann
    The disease-associated aggregation of polyglutamine begins in a single molecule with a specific structure.

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