1,119 results found
    1. Ecology
    2. Physics of Living Systems

    Ant collective cognition allows for efficient navigation through disordered environments

    Aviram Gelblum et al.
    When real ants confront the classical 'Ant-in-a-labyrinth' physics problem where a random walker traverses a percolated environment, they employ active extended sensing and collective cognition to outperform passive physical solutions.
    1. Ecology
    2. Computational and Systems Biology

    A locally-blazed ant trail achieves efficient collective navigation despite limited information

    Ehud Fonio et al.
    Ants employ a new kind of trail to resolve group-level navigational difficulties in scenarios where the information available to individuals does not suffice.
    1. Evolutionary Biology

    Robust and accurate prediction of residue–residue interactions across protein interfaces using evolutionary information

    Sergey Ovchinnikov et al.
    Co-evolving residue pairs in the different components of a protein complex almost always make contact across the protein–protein interface, thus providing powerful restraints for the modeling of protein complexes.
    1. Structural Biology and Molecular Biophysics

    Kinetic mechanism of coupled binding in sodium-aspartate symporter GltPh

    SeCheol Oh, Olga Boudker
    Sodium ions control the rates of both substrate binding and dissociation of an archaeal homologue of glutamate transporters in a manner that minimizes binding intermediates and maximizes transport efficiency.
    1. Biochemistry and Chemical Biology
    2. Genetics and Genomics

    The long non-coding RNA Cerox1 is a post transcriptional regulator of mitochondrial complex I catalytic activity

    Tamara M Sirey et al.
    Mitochondrial energy metabolism is post-transcriptionally regulated through an interplay between long and short non-coding RNAs.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Structure and substrate ion binding in the sodium/proton antiporter PaNhaP

    David Wöhlert et al.
    The X-ray structure of the PaNhaP provides a unique view of substrate-ion binding and release in electroneutral sodium/proton antiporters.
    1. Ecology

    Harbouring public good mutants within a pathogen population can increase both fitness and virulence

    Richard J Lindsay et al.
    Cooperation theory and a novel synthetic infection system provides a mechanistic understanding of why a seemingly successful disease management strategy can have devastating consequences for infected hosts.
    1. Computational and Systems Biology
    2. Microbiology and Infectious Disease

    Multiple sources of slow activity fluctuations in a bacterial chemosensory network

    Remy Colin et al.
    Single-cell FRET measurements reveal large temporal activity fluctuations within this signaling pathway in Escherichia coli, caused by stochasticity of receptor methylation combined with allosteric interactions and slow rearrangements within receptor clusters.
    1. Genetics and Genomics

    Amino acid synthesis loss in parasitoid wasps and other hymenopterans

    Xinhai Ye et al.
    The synthesis capability of some amino acids is lost during the insect evolution, and hymenopteran parasitoids can make up for these deficiencies by altering free amino acid concentrations in host.
    1. Biochemistry and Chemical Biology
    2. Ecology

    ABC transporter functions as a pacemaker for sequestration of plant glucosides in leaf beetles

    Anja S Strauss et al.
    A transport protein enables leaf beetle larvae to take up and store plant toxins and use them as part of their own defense strategy.

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