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    1. Neuroscience

    Misaligned feeding impairs memories

    Dawn H Loh et al.
    The time at which mice consume food can dramatically affect hippocampal-dependent biochemistry, physiology, and learned behavior.
    1. Biochemistry and Chemical Biology

    Delayed inhibition mechanism for secondary channel factor regulation of ribosomal RNA transcription

    Sarah K Stumper et al.
    Single-molecule observations reveal a mechanism that may be used by multiple competing regulatory proteins to control ribosomal RNA production during rapid bacterial cell growth.
    1. Developmental Biology
    2. Stem Cells and Regenerative Medicine

    Non-canonical Hedgehog signaling regulates spinal cord and muscle regeneration in Xenopus laevis larvae

    Andrew M Hamilton et al.
    Unlike in early embryonic development, injured spinal cord and muscle in Xenopus laevis larvae recruit non-canonical Hedgehog signaling essential for their regeneration, while repressing Gli transcriptional activity.
    1. Genetics and Genomics

    A regulatory pathway that selectively up-regulates elongasome function in the absence of class A PBPs

    Yesha Patel et al.
    Balanced peptidoglycan synthesis requires regulators, including sigma-I and WalKR, that coordinate the diffusive action of class A PBPs and the directional motion of the MreB-directed elongasome.
    1. Neuroscience

    CCR5 is a suppressor for cortical plasticity and hippocampal learning and memory

    Miou Zhou et al.
    Repression of the G protein-coupled chemokine receptor CCR5 enhances MAPK/CREB signaling, long-term potentiation, somatosensory cortical plasticity, and learning and memory, while CCR5 over-activation by viral proteins may contribute to HIV-associated cognitive deficits.
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    Crenactin forms actin-like double helical filaments regulated by arcadin-2

    Thierry Izoré et al.
    Close evolutionary relationship between eukaryotic F-actin and crenarchaeal crenactin protein is supported by a near-atomic cryoEM structure of double helical filaments, that are inhibited by arcadin-2 through binding to crenactin's hydrophobic groove.
    1. Neuroscience

    Enhancement of fear memory by retrieval through reconsolidation

    Hotaka Fukushima et al.
    Retrieval enhances fear memory through reconsolidation by activating calcineurin-induced protein degradation and CREB-mediated gene expression in amygdala, hippocampus, and mPFC.
    1. Cell Biology
    2. Neuroscience

    Isoform-specific subcellular localization and function of protein kinase A identified by mosaic imaging of mouse brain

    Ronit Ilouz et al.
    High-resolution, large-scale immunohistochemical mouse brain images showing global views of different brain regions, as well as cellular and subcellular details, identified distinct localization of PKA RIβ and RIIβ regulatory subunits that reveal functional differences.
    1. Physics of Living Systems

    Surface-to-volume scaling and aspect ratio preservation in rod-shaped bacteria

    Nikola Ojkic et al.
    Rod-shaped bacteria preserve their aspect ratios and surface-to-volume scaling by maintaining a homeostatic balance between the rates of cell elongation and division protein synthesis.
    1. Neuroscience

    Loss of presenilin function is associated with a selective gain of APP function

    Carole Deyts et al.
    Amyloid precursor protein expression and accumulation of its intracellular fragment are required for exuberant neurite outgrowth associated with pathological presenilin 1 loss-of-function mutations before the emergence of amyloid burden in mice.