5,123 results found
    1. Neuroscience

    P1 interneurons promote a persistent internal state that enhances inter-male aggression in Drosophila

    Eric D Hoopfer et al.
    A sexually dimorphic circuit node controls a persistent, internal state that promotes fighting and mating in Drosophila, revealing parallels with mammalian systems suggestive of a conserved circuit "motif" controlling social behaviors.
    1. Neuroscience

    Internal states drive nutrient homeostasis by modulating exploration-exploitation trade-off

    Verónica María Corrales-Carvajal et al.
    A quantitative video tracking analysis reveals that to gain the nutrients they need, flies change their decisions to exploit foods with different nutrient contents and explore the environment according to their internal amino acid and reproductive states.
    1. Neuroscience

    Internal amino acid state modulates yeast taste neurons to support protein homeostasis in Drosophila

    Kathrin Steck et al.
    Two different classes of taste receptor neurons in the Drosophila melanogaster proboscis play distinct roles in yeast feeding and are both modulated by the fly's internal amino acid state in order to promote protein-specific appetite.
    1. Neuroscience

    Acetic acid activates distinct taste pathways in Drosophila to elicit opposing, state-dependent feeding responses

    Anita V Devineni et al.
    A single taste input, acetic acid, elicits opposing behavioral outputs depending on a fly's hunger state.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Constitutive scaffolding of multiple Wnt enhanceosome components by Legless/BCL9

    Laurens M van Tienen et al.
    BCL9/Legless is an integral component of the Wnt enhanceosome, harboring binding sites in its conserved C-terminus for multiple core components of this complex including ChiLS and Groucho/TLE.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    A twist defect mechanism for ATP-dependent translocation of nucleosomal DNA

    Jessica Winger et al.
    Based on its nucleotide-bound state, the Chd1 chromatin remodeler can locally alter DNA twist on the nucleosome, which either pulls in or expels ~1 bp of DNA at the internal SHL2 binding site.
    1. Neuroscience

    Neuropeptide F regulates courtship in Drosophila through a male-specific neuronal circuit

    Weiwei Liu et al.
    Functional dissection of a cluster of male-specific neurons in Drosophila reveals a neuronal circuit regulating male courtship in accordance with the internal drive state.
    1. Evolutionary Biology

    Decoupled maternal and zygotic genetic effects shape the evolution of development

    Christina Zakas et al.
    Early development involves both maternal and zygotic genetic effects. This dual genetic basis shapes the evolution of developmental mode in a marine annelid.
    1. Epidemiology and Global Health

    The mother’s risk of premature death after child loss across two centuries

    Unnur A Valdimarsdóttir et al.
    A large-scale, sibling-based analysis of the Icelandic population spanning two centuries demonstrates an increase in maternal mortality rates after child loss on both sides of a major demographic transition.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Structural characterization of ribosome recruitment and translocation by type IV IRES

    Jason Murray et al.
    A Internal Ribosomal Entry Site RNA has been visualised by high resolution cryoEM, trapped in the ribosome in an intermediate state of translocation.

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