575 results found
    1. Chromosomes and Gene Expression
    2. Plant Biology

    Local chromatin environment of a Polycomb target gene instructs its own epigenetic inheritance

    Scott Berry et al.
    Two copies of a Polycomb target gene in the same cell can be maintained in independently heritable expression states, demonstrating that long-term memory of gene expression is stored locally.
    1. Computational and Systems Biology
    2. Genetics and Genomics

    Hyperosmotic stress memory in Arabidopsis is mediated by distinct epigenetically labile sites in the genome and is restricted in the male germline by DNA glycosylase activity

    Anjar Wibowo et al.
    Transient adaptation to environmental fluctuations in plants is mediated through discrete epigenetic changes.
    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. Neuroscience

    LTP and memory impairment caused by extracellular Aβ and Tau oligomers is APP-dependent

    Daniela Puzzo et al.
    Oligomeric Amyloid-β and Tau, two proteins involved in Alzheimer's disease pathogenesis, require Amyloid Precursor Protein to enter neurons and exert their detrimental effect on synaptic plasticity and memory.
    1. Neuroscience

    Task-induced functional brain connectivity mediates the relationship between striatal D2/3 receptors and working memory

    Matthew M Nour et al.
    Striatal dopamine 2/3 receptor (D2/3R) availability is related to working memory-induced functional connectivity changes in the default mode network, and this mediates the relationship between D2/3Rs and task performance.
    1. Neuroscience

    Protein kinase C is a calcium sensor for presynaptic short-term plasticity

    Diasynou Fioravante et al.
    Genetic and electrophysiology experiments provide the first direct evidence that protein kinase C is a calcium-sensing protein in post-tetanic potentiation, a form of synaptic plasticity that supports short-term memory.
    1. Neuroscience

    Axon TRAP reveals learning-associated alterations in cortical axonal mRNAs in the lateral amygdala

    Linnaea E Ostroff et al.
    A diverse assortment of mRNAs are present in projection axons in the adult forebrain and their translation is associated with new memory formation.
    1. Neuroscience

    Network-wide abnormalities explain memory variability in hippocampal amnesia

    Georgios PD Argyropoulos et al.
    Hippocampal damage is associated with changes across the extended hippocampal system, and these may explain variability in memory between patients presenting with hippocampal amnesia.
    1. Neuroscience

    Dynamic behavior of the locus coeruleus during arousal-related memory processing in a multi-modal 7T fMRI paradigm

    Heidi IL Jacobs et al.
    By combining ultra-high-field imaging with physiological and saliva measures it is established that interactions between locus coeruleus, hippocampus and amygdala vary along emotional memory stages, putatively reflecting distinct cognitive states.
    1. Cell Biology
    2. Neuroscience

    The E3 ubiquitin ligase IDOL regulates synaptic ApoER2 levels and is important for plasticity and learning

    Jie Gao et al.
    Control of lipoprotein receptor protein levels at synapses by the E3 ubiquitin ligase IDOL is shown to be important for the plasticity of neuronal dendrites in vitro and learning and memory in mice.

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