3,518 results found
    1. Structural Biology and Molecular Biophysics

    Structural basis for transcription complex disruption by the Mfd translocase

    Jin Young Kang, Eliza Llewellyn ... Seth A Darst
    Seven distinct cryo-electron microscopy structures delineate the elaborate mechanism for how E. coli Mfd, a transcription repair coupling factor, disassembles the RNA polymerase transcription elongation complex to initiate transcription-coupled repair.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Science Forum: The Brazilian Reproducibility Initiative

    Olavo B Amaral, Kleber Neves ... Clarissa FD Carneiro
    Researchers are undertaking a systematic assessment of the reproducibility of biomedical science in Brazil.
    1. Developmental Biology
    2. Genetics and Genomics

    Fat body-specific reduction of CTPS alleviates HFD-induced obesity

    Jingnan Liu, Yuanbing Zhang ... Ji-Long Liu
    Genetic interaction and biochemical analyses have unveiled the crucial involvement of CTPS in the regulation of adipocyte growth, lipid metabolism, and metabolic adaptation in Drosophila, achieved through activating the PI3K-Akt-SREBP pathway.
    1. Computational and Systems Biology

    Inherent regulatory asymmetry emanating from network architecture in a prevalent autoregulatory motif

    Md Zulfikar Ali, Vinuselvi Parisutham ... Robert C Brewster
    Network architecture and physiological features of the cell dictate asymmetric gene regulation between a negative autoregulatory TF gene and its target gene.
    1. Developmental Biology
    2. Genetics and Genomics

    Rescuable sleep and synaptogenesis phenotypes in a Drosophila model of O-GlcNAc transferase intellectual disability

    Ignacy Czajewski, Bijayalaxmi Swain ... Daan MF van Aalten
    Modelling O-GlcNAc transferase intellectual disability reveals the roles of this post-translational modification in regulating normal axonal terminal morphology and maintaining appropriate sleep homeostasis, pharmacological and genetic rescues of O-GlcNAcylation highlight the complexities of addressing this disorder.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Structure of PINK1 and mechanisms of Parkinson's disease-associated mutations

    Atul Kumar, Jevgenia Tamjar ... Daan MF van Aalten
    The structure of human PINK1 explains structural regulation and clarity on the impact of loss of function disease-associated mutations, which may stimulate future drug discovery efforts for both familial and idiopathic Parkinson's disease.
    1. Neuroscience

    Systemic pharmacological suppression of neural activity reverses learning impairment in a mouse model of Fragile X syndrome

    Amin MD Shakhawat, Jacqueline G Foltz ... Jennifer L Raymond
    The capacity for new cerebellum-dependent learning is influenced by the recent history of neural activity in a mouse model of Fragile X syndrome, suggesting a role for metaplasticity.
    1. Cancer Biology
    2. Genetics and Genomics

    Loss of FLCN-FNIP1/2 induces a non-canonical interferon response in human renal tubular epithelial cells

    Iris E Glykofridis, Jaco C Knol ... Rob MF Wolthuis
    Knocking out Folliculin (FLCN) in human renal epithelial cells activates STAT1/2-mediated gene expression, independent of interferon, uncovering a tissue-specific process potentially relevant in the cancer syndrome Birt-Hogg-Dubé (BHD).
    1. Neuroscience

    Sensory input-dependent gain modulation of the optokinetic nystagmus by mid-infrared stimulation in pigeons

    Tong Xiao, Kaijie Wu ... Yan Yang
    Simultaneous stimulation and recording in awake-behaving pigeons showed that mid-infrared stimulation, as a promising neuromodulation approach, could facilitate or suppress neuronal firing activity depending on its ongoing sensory responsiveness levels, and cause reversible and gain modulation on sensorimotor behavior.
    1. Structural Biology and Molecular Biophysics

    Mobile barrier mechanisms for Na+-coupled symport in an MFS sugar transporter

    Parameswaran Hariharan, Yuqi Shi ... Lan Guan
    The use of a conformation-selective inhibitory nanobody provides critical information on MelB at a low-sugar affinity inward-facing Na+-bound state for establishing the mobile barrier and substrate-releasing mechanisms.

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