1,687 results found
    1. Computational and Systems Biology

    Metabolic network percolation quantifies biosynthetic capabilities across the human oral microbiome

    David B Bernstein, Floyd E Dewhirst, Daniel Segrè
    A novel metabolic network analysis method enables large-scale computational predictions of biosynthetic capabilities across the human oral microbiome, revealing a unique cluster of fastidious microorganisms and potential metabolic interdependencies.
    1. Neuroscience

    Reconfiguration of functional brain networks and metabolic cost converge during task performance

    Andreas Hahn, Michael Breakspear ... Luca Cocchi
    Cognitive performance is supported by symbiotic metabolic and neuro-vascular responses in task-specific brain networks.
    1. Neuroscience

    Task-evoked metabolic demands of the posteromedial default mode network are shaped by dorsal attention and frontoparietal control networks

    Godber M Godbersen, Sebastian Klug ... Andreas Hahn
    In the human brain, default mode network BOLD deactivations can be accompanied by both increases and decreases in glucose metabolism, depending on the respective metabolic demands of task-positive cognitive control and attention networks.
    1. Computational and Systems Biology

    Emergence and propagation of epistasis in metabolic networks

    Sergey Kryazhimskiy
    Mutations that affect a metabolic network generically exhibit epistasis, which propagates to higher level phenotypes, such as fitness, carrying some information about the network’s topology.
    1. Medicine
    2. Neuroscience

    Stage-dependent differential influence of metabolic and structural networks on memory across Alzheimer’s disease continuum

    Kok Pin Ng, Xing Qian ... Alzheimer's Disease Neuroimaging Initiative
    The early influence of the breakdown of both hippocampal structural network and angular gyrus-seeded default mode metabolism network on memory performance underscore the importance of early intervention in preclinical Alzheimer’s disease.
    1. Neuroscience

    Maturation of metabolic connectivity of the adolescent rat brain

    Hongyoon Choi, Yoori Choi ... Dong Soo Lee
    Rat brains mature to increase metabolic connectivity between network components and establish energy efficiency in the midline structures from childhood to early adulthood.
    1. Evolutionary Biology

    Ongoing resolution of duplicate gene functions shapes the diversification of a metabolic network

    Meihua Christina Kuang, Paul D Hutchins ... Chris Todd Hittinger
    Recent functional changes in ancient duplicate genes led to the evolution of divergent regulatory and metabolic strategies by the GALactose gene networks of two yeast species.
    1. Computational and Systems Biology
    2. Plant Biology

    Evolution of C4 photosynthesis predicted by constraint-based modelling

    Mary-Ann Blätke, Andrea Bräutigam
    Constraint-based modelling predicts C4 photosynthesis evolves under resource limitation from an ancestral ground state of C3 photosynthesis and attributes divergent metabolic routes in extant C4 subtypes to light.
    1. Computational and Systems Biology
    2. Microbiology and Infectious Disease

    Network-based multi-omics integration reveals metabolic at-risk profile within treated HIV-infection

    Flora Mikaeloff, Marco Gelpi ... Ujjwal Neogi
    Multi-omics-driven patient stratification identify at-risk profile of metabolic complications in people living with HIV on suppressive therapy that need clinical attention.
    1. Computational and Systems Biology

    Cycles, sources, and sinks: Conceptualizing how phosphate balance modulates carbon flux using yeast metabolic networks

    Ritu Gupta, Sunil Laxman
    A theoretical conceptualization of how phosphates control metabolic information flow and predictably regulate the metabolic state of the cell.

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