302 results found
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    The magnesium transporter A is activated by cardiolipin and is highly sensitive to free magnesium in vitro

    Saranya Subramani et al.
    A magnesium transporter from Escherichia coli depends strongly on the lipid cardiolipin and acts both as a sensor and a transporter of magnesium.
    1. Structural Biology and Molecular Biophysics
    2. Human Biology and Medicine

    Epithelial magnesium transport by TRPM6 is essential for prenatal development and adult survival

    Vladimir Chubanov et al.
    Mice deficient in the TRPM6 channel suffer from impaired prenatal development, shortened lifespan, growth deficit and disturbed energy balance due to a defect in epithelial Mg2+ uptake, thus highlighting a pivotal role of TRPM6 in organismal Mg2+ homeostasis.
    1. Structural Biology and Molecular Biophysics

    Ion Channels: From ions to insulin

    Voula Kanelis
    Electron cryo-microscopy has revealed the three-dimensional structure of a potassium channel that has a central role in regulating the release of insulin from the pancreas.
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    1. Ecology
    2. Plant Biology

    The Natural History of Model Organisms: Planting molecular functions in an ecological context with Arabidopsis thaliana

    Ute Krämer
    Research in molecular ecology and evolution is increasingly utilizing the model plant Arabidopsis thaliana, placing a spotlight on its natural history.
    1. Biochemistry and Chemical Biology

    Antibiotics: A new spanner in the works of bacterial transcription

    Kristine B Arnvig, Finn Werner
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    1. Chromosomes and Gene Expression
    2. Microbiology and Infectious Disease

    sRNA-mediated activation of gene expression by inhibition of 5'-3’ exonucleolytic mRNA degradation

    Sylvain Durand et al.
    Small regulatory RNAs are able to modulate mRNA degradation rates by controlling access to the 5' end of mRNAs in bacteria.
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    9Å structure of the COPI coat reveals that the Arf1 GTPase occupies two contrasting molecular environments

    Svetlana O Dodonova et al.
    A molecular model of the assembled COPI coat, determined by cryo-electron tomography of an in vitro reconstituted budding reaction, reveals details of interactions mediating coat assembly and shows the binding site of ArfGAP2.
    1. Plant Biology

    A chloroplast retrograde signal, 3’-phosphoadenosine 5’-phosphate, acts as a secondary messenger in abscisic acid signaling in stomatal closure and germination

    Wannarat Pornsiriwong et al.
    Molecular signals from chloroplasts can synergistically interact with the plant hormone, abscisic acid (ABA), to regulate non-canonical signaling pathways mediating fundamental cellular processes including stomatal closure, seed dormancy and germination.
    1. Structural Biology and Molecular Biophysics
    2. Plant Biology

    Kinetics of the LOV domain of ZEITLUPE determine its circadian function in Arabidopsis

    Ashutosh Pudasaini et al.
    In the plant circadian clock photoreceptor ZEITLUPE, evolutionarily selected residues distinguish photocycle kinetics and allosteric signal transduction pathways to permit proper circadian timing.
    1. Microbiology and infectious disease

    Asymmetric division triggers cell-specific gene expression through coupled capture and stabilization of a phosphatase

    Niels Bradshaw, Richard Losick
    Asymmetric cell division is linked to cell-specific transcription by handoff of a key developmental regulator from the cytokinetic machinery to the adjacent cell pole where it oligomerizes to become stabilized and activated.

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