30 results found
    1. Plant Biology

    Calcium specificity signaling mechanisms in abscisic acid signal transduction in Arabidopsis guard cells

    Benjamin Brandt et al.
    The calcium-dependent signaling pathway during ABA-dependent stomatal closure requires the calcium-independent pathway, and calcium signaling specificity is mediated by PP2C protein phosphatases.
    1. Ecology

    Algal-fungal symbiosis leads to photosynthetic mycelium

    Zhi-Yan Du et al.
    The capacity for symbiosis between photosynthetic microalgae and early diverging lineages fungi was demonstrated with microscopy and stable isotope exchange of carbon and nitrogen.
    1. Biochemistry and Chemical Biology
    2. Microbiology and Infectious Disease

    A unifying mechanism for the biogenesis of membrane proteins co-operatively integrated by the Sec and Tat pathways

    Fiona J Tooke et al.
    Bioinformatics and experimental approaches identify families of membrane proteins requiring the co-ordinated action of the Sec pathway and Tat pathways for their integration and define features of the polypeptides that mediate interaction with these pathways.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    Identification of cryptic subunits from an apicomplexan ATP synthase

    Diego Huet et al.
    A phylum-specific ATP synthase subunit is needed for proper mitochondrial function and stability of the complex in Toxoplasma gondii.
    1. Structural Biology and Molecular Biophysics

    Fully automated, sequential focused ion beam milling for cryo-electron tomography

    Tobias Zachs et al.
    The automation of cryo-focused ion beam milling enables previously unfeasible cryo-electron tomography projects.
    1. Microbiology and Infectious Disease
    2. Physics of Living Systems

    Protein gradients on the nucleoid position the carbon-fixing organelles of cyanobacteria

    Joshua S MacCready et al.
    Carboxysomes, the carbon-fixation machinery of cyanobacteria, are equidistantly-positioned by dynamic gradients of the protein McdA on the nucleoid that emerge through interaction with a previously unidentified carboxysome factor, McdB.
    1. Biochemistry and Chemical Biology

    In vivo experiments do not support the charge zipper model for Tat translocase assembly

    Felicity Alcock et al.
    A prominent model for the structural organisation of the Tat (twin-arginine translocase) protein transport system fails live cell tests.
    1. Physics of Living Systems
    2. Computational and Systems Biology

    Overall energy conversion efficiency of a photosynthetic vesicle

    Melih Sener et al.
    The overall energy conversion efficiency is calculated for a bacterial vesicle that harvests solar energy for ATP production on the basis of an atomic-detail structural model.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Assembling the Tat protein translocase

    Felicity Alcock et al.
    Evolutionary bioinformatics and experimentation are applied to the components of the Tat protein transport system to elucidate the structure of the membrane-bound receptor complex and to deduce a molecular description for its substrate-triggered activation.
    1. Structural Biology and Molecular Biophysics
    2. Plant Biology

    The structure of plant photosystem I super-complex at 2.8 Å resolution

    Yuval Mazor et al.
    The crystal structure of higher plant PSI-LHCI complex reveals intricate details responsible for light harvesting.

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