69 results found
    1. Computational and Systems Biology
    2. Chromosomes and Gene Expression

    Metabolic network rewiring of propionate flux compensates vitamin B12 deficiency in C. elegans

    Emma Watson et al.
    The roundworm C. elegans transcriptionally activates five genes comprising an alternate propionate breakdown pathway when dietary vitamin B12 is low or when the canonical pathway is compromised.
    1. Biochemistry and Chemical Biology

    Underground isoleucine biosynthesis pathways in E. coli

    Charles AR Cotton et al.
    Upon deletion of threonine deaminases, biosynthesis of isoleucine is rescued by two promiscuous reactions, one emerges under aerobic conditions and the other is naturally active under anaerobic conditions.
    1. Chromosomes and Gene Expression
    2. Computational and Systems Biology

    Caenorhabditis elegans methionine/S-adenosylmethionine cycle activity is sensed and adjusted by a nuclear hormone receptor

    Gabrielle E Giese et al.
    Metabolic activity of the methionine/S-adenosylmethionine cycle is sensed and transcriptionally regulated by a nuclear hormone receptor in Caenorhabditis elegans in order to maintain metabolic homeostasis in a tightly controlled regime.
    1. Structural Biology and Molecular Biophysics

    Structural basis of interprotein electron transfer in bacterial sulfite oxidation

    Aaron P McGrath et al.
    A structural and functional analysis of the electron transfer complex between a sulfite oxidase and its redox protein partner reveals an elegant compromise between the requirements for fast and efficient electron transfer and reaction specificity.
    1. Evolutionary Biology
    2. Microbiology and Infectious Disease

    Evolutionary diversification of the trypanosome haptoglobin-haemoglobin receptor from an ancestral haemoglobin receptor

    Harriet Lane-Serff et al.
    The ligand specificity and expression profile of the haptoglobin-haemoglobin receptor has diversified throughout the evolution of trypanosomes.
    1. Structural Biology and Molecular Biophysics

    The primary structural photoresponse of phytochrome proteins captured by a femtosecond X-ray laser

    Elin Claesson et al.
    Time-resolved crystallography provides insight into the photochemical reactions in photoreceptor proteins, explaining the earliest steps of how plants, fungi and bacteria sense red light.
    1. Neuroscience
    2. Structural Biology and Molecular Biophysics

    Auxiliary subunits keep AMPA receptors compact during activation and desensitization

    Jelena Baranovic, Andrew JR Plested
    The auxiliary protein Stargazin limits the conformational dynamics of AMPA-type glutamate receptors in cell membranes, as revealed by 'molecular rulers' deployed on the seconds to milliseconds timescale.
    1. Structural Biology and Molecular Biophysics

    Revealing an outward-facing open conformational state in a CLC Cl/H+ exchange transporter

    Chandra M Khantwal et al.
    The characterization of a previously unidentified “outward-facing open” conformational state provides a new framework for understanding the CLC transport mechanism.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Hemozoin produced by mammals confers heme tolerance

    Rini H Pek et al.
    Heme accumulation is toxic, but deficiency of the heme transporter HRG1/SLC48A1 causes heme sequestration and crystallization into hemozoin within enlarged lysosomes of macrophages, thereby conferring heme tolerance to mammals.
    1. Neuroscience

    Measurements and models of electric fields in the in vivo human brain during transcranial electric stimulation

    Yu Huang et al.
    Direct in-vivo measurements in the human brain test validity of detailed computational models of trancranial electric stimulation and show that electric fields in the brain are weaker than currently assumed.

Refine your results by:

Type
Research categories