250 results found
    1. Neuroscience

    An essential role of acetylcholine-glutamate synergy at habenular synapses in nicotine dependence

    Silke Frahm et al.
    Local elimination of acetylcholine synthesis in habenular neurons demonstrates a key role for vesicular synergy and neurotransmitter co-release in nicotine dependence.
    1. Chromosomes and Gene Expression

    Dual control of NAD+ synthesis by purine metabolites in yeast

    Benoît Pinson et al.
    Two distinct processes drive coordinated synthesis of purine and pyridine (NAD+) nucleotides in response to AICAR derivatives and ATP.
    1. Ecology

    Benefits of jasmonate-dependent defenses against vertebrate herbivores in nature

    Ricardo AR Machado et al.
    Uncovering an link between plant defense signaling and vertebrate feeding behavior suggests that large browsers may exert strong selection pressure on jasmonate-dependent secondary metabolites.
    1. Ecology
    2. Plant Biology

    The decoration of specialized metabolites influences stylar development

    Jiancai Li et al.
    Regulation of diterpene glycoside malonylation status influences stylar elongation through affecting auxin signaling in Nicotiana attenuata.
    1. Neuroscience

    Selective and regulated trapping of nicotinic receptor weak base ligands and relevance to smoking cessation

    Anitha P Govind et al.
    The smoking cessation drug varenicline (Chantix) and other weak base ligands reduce a4b2-type nicotinic receptor (a4b2R) upregulation through slow intracellular release due to selective trapping in acidic vesicles that contain a4b2Rs.
    1. Cell Biology
    2. Neuroscience

    A novel synaptic plasticity rule explains homeostasis of neuromuscular transmission

    Gilles Ouanounou et al.
    Skeletal muscle cells constantly monitor their own activity and that of their partner neuron at synapses, enabling them to provide the neuron with feedback regarding neurotransmitter release.
    1. Neuroscience

    Identification of slit3 as a locus affecting nicotine preference in zebrafish and human smoking behaviour

    Judit García-González et al.
    Zebrafish studies are able to predict loci and biological pathways affecting human behaviour, paving the way to better understanding of the biological underpinnings of psychiatric disease.
    1. Plant Biology

    Prioritizing plant defence over growth through WRKY regulation facilitates infestation by non-target herbivores

    Ran Li et al.
    A chewing herbivore induced WRKY transcription factor induces jasmonate-dependent defences and supresses gibbererellin-dependent growth, the latter of which renders rice plants more susceptible to secondary infestation by a piercing-sucking herbivore.
    1. Neuroscience

    Translational control of nicotine-evoked synaptic potentiation in mice and neuronal responses in human smokers by eIF2α

    Andon N Placzek et al.
    An evolutionarily conserved mechanism involving translational control by p-eIF2α underlies vulnerability to nicotine addiction.
    1. Neuroscience

    Functional limb muscle innervation prior to cholinergic transmitter specification during early metamorphosis in Xenopus

    Francois M Lambert et al.
    Molecular labeling, electrophysiology and calcium imaging have revealed a novel switching of neurotransmitter at the frog neuromuscular junction where motoneurons transiently release glutamate before acetylcholine at synapses on developing hindlimb muscles at the onset of metamorphosis.

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