504 results found
    1. Cell Biology
    2. Developmental Biology

    Mitotic spindle scaling during Xenopus development by kif2a and importin α

    Jeremy D Wilbur, Rebecca Heald
    An interaction between two proteins enables the spindle—the structure that segregates chromosome pairs during mitosis—to change size as cells divide.
    1. Cell Biology
    2. Immunology and Inflammation

    UNC93B1 mediates differential trafficking of endosomal TLRs

    Bettina L Lee et al.
    A transmembrane protein uses distinct mechanisms to regulate the movement of specific toll-like receptors-key immune system components involved in detecting pathogens-to their final locations inside cells.
    1. Cell Biology
    2. Neuroscience

    AP2 hemicomplexes contribute independently to synaptic vesicle endocytosis

    Mingyu Gu et al.
    A protein complex that enables cells to transport substances across their membranes, and that typically consists of four subunits, can also function as two hemicomplexes, each with two subunits.
    1. Biochemistry and Chemical Biology

    Stepwise assembly of the human replicative polymerase holoenzyme

    Mark Hedglin et al.
    Fluorescence resonance energy transfer has been used to explore the interactions between DNA polymerases, sliding clamps and clamp loaders as DNA is replicated in human cells.
    1. Cell Biology
    2. Neuroscience

    Pharmacological brake-release of mRNA translation enhances cognitive memory

    Carmela Sidrauski et al.
    A compound that prevents stressors such as UV light and viral infection from downregulating protein synthesis inside cells improves memory performance in mice.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Cryo-EM visualization of the ribosome in termination complex with apo-RF3 and RF1

    Jesper Pallesen et al.
    Cryo-electron microscopy has been used to provide a structural interpretation of the complete action cycle of release factor 3 during translation termination, which includes a coordinated sequence of interactions with a class-I release factor and the ribosome.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Phosphorylation-mediated PTEN conformational closure and deactivation revealed with protein semisynthesis

    David Bolduc et al.
    C-terminal phosphorylation of the lipid phosphatase PTEN drives a reduction in membrane affinity and leads to a more compact conformation that involves a C2 domain-tail interaction.
    1. Structural Biology and Molecular Biophysics

    Structural analysis of autoinhibition in the Ras-specific exchange factor RasGRP1

    Jeffrey S Iwig et al.
    A key activator of Ras signaling adopts an autoinhibited, dimeric conformation that is activated by membrane and calcium binding.
    1. Developmental Biology
    2. Chromosomes and Gene Expression

    Patient-specific iPSC-derived photoreceptor precursor cells as a means to investigate retinitis pigmentosa

    Budd A Tucker et al.
    Skin cells from a patient with retinitis pigmentosa have been used to generate induced pluripotent stem cells, which could potentially form the basis of new treatments for this disease.

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