13,251 results found
    1. Cell Biology

    Exportin Crm1 is repurposed as a docking protein to generate microtubule organizing centers at the nuclear pore

    Xun X Bao, Christos Spanos ... Kenneth E Sawin
    Microtubule nucleation from the nuclear envelope in fission yeast involves repurposing of nuclear export proteins for a non-export-related function, docking cytoplasmic proteins at nuclear pore complexes.
    1. Cell Biology
    2. Developmental Biology

    Differential modification of the C-terminal tails of different α-tubulins and their importance for microtubule function in vivo

    Mengjing Bao, Ruth E Dörig ... Beat Suter
    Specific glutamylation of some α-tubulin isotypes affects kinesin-1 localization and transport processes that depend on it, but their absence can speed up transport, possibly explaining why some large cells express α-tubulin isotypes that are not glutamylated.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Structure of a bacterial RNA polymerase holoenzyme open promoter complex

    Brian Bae, Andrey Feklistov ... Seth A Darst
    The crystal structure of bacterial RNA polymerase bound to the transcription bubble reveals key features that support the formation of a double-strand/single-strand DNA junction at the upstream edge of the −10 element where bubble formation initiates.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    CarD uses a minor groove wedge mechanism to stabilize the RNA polymerase open promoter complex

    Brian Bae, James Chen ... Elizabeth A Campbell
    The crystal structure of Thermus transcription activation complexes containing the transcriptional activator CarD reveals a new mechanism for the activation of transcription.
    1. Developmental Biology
    2. Neuroscience

    FOXP2 exhibits projection neuron class specific expression, but is not required for multiple aspects of cortical histogenesis

    Ryan J Kast, Alexandra L Lanjewar ... Pat Levitt
    Foxp2 is dispensable for several features of cortical development that were previously considered to depend on its function.
    1. Developmental Biology

    Identification of the transcription factor ZEB1 as a central component of the adipogenic gene regulatory network

    Carine Gubelmann, Petra C Schwalie ... Bart Deplancke
    A large-scale transcription factor screen reveals over twenty novel adipogenic regulators: most notably ZEB1, which exerts essential transcriptional control of fat cell differentiation.
    1. Structural Biology and Molecular Biophysics

    Cryo-EM analyses reveal the common mechanism and diversification in the activation of RET by different ligands

    Jie Li, Guijun Shang ... Xiao-chen Bai
    Cryo-EM studies reveal structural basis for the activation, auto-inhibition and regulation of RET receptor tyrosine kinase.
    1. Structural Biology and Molecular Biophysics

    Cryo-EM structure of the Plasmodium falciparum 80S ribosome bound to the anti-protozoan drug emetine

    Wilson Wong, Xiao-chen Bai ... Sjors HW Scheres
    The molecular mechanism behind how emetine inhibits the ribosome of the human malaria parasite, along with structural details of the complex formed, is revealed at high resolution using cryo-electron microscopy.
    1. Neuroscience

    Early life adversity decreases pre-adolescent fear expression by accelerating amygdala PV cell development

    Gabriela Manzano Nieves, Marilyn Bravo ... Kevin G Bath
    Early life adversity (ELA) accelerated PV+ interneuron development in BLA and delayed the ability of pre-adolescent mice to express, but not form, an auditory conditioned fear memory in childhood.
    1. Ecology
    2. Epidemiology and Global Health

    Accelerated viral dynamics in bat cell lines, with implications for zoonotic emergence

    Cara E Brook, Mike Boots ... Anieke van Leeuwen
    Bats' uniquely robust innate antiviral immune defenses select for faster transmitting viruses likely to generate extreme virulence upon spillover to secondary hosts with immune systems divergent from those of bat.

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