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

    Structural characterization of encapsulated ferritin provides insight into iron storage in bacterial nanocompartments

    Didi He et al.
    Encapsulin-associated ferritin proteins form metal-dependent decamers that are active as ferroxidase enzymes, but require encapsulation to form an iron store.
    1. Biochemistry and Chemical Biology
    2. Human Biology and Medicine

    Repression of ferritin light chain translation by human eIF3

    Mia C Pulos-Holmes et al.
    Human ferritin light chain (FTL) mRNA translation is regulated via its 5'-untranslated region (5'-UTR) by three mechanisms: RNA folding, iron response protein binding, and eukaryotic translation initiation factor eIF3 binding.
    1. Computational and Systems Biology

    Kinetic modeling predicts a stimulatory role for ribosome collisions at elongation stall sites in bacteria

    Michael A Ferrin, Arvind R Subramaniam
    Collision between ribosomes can cause dissociation of stalled ribosomes from messenger RNAs during the process of mRNA translation.
    1. Neuroscience

    Subcellular analysis of pigeon hair cells implicates vesicular trafficking in cuticulosome formation and maintenance

    Simon Nimpf et al.
    Cuticulosomes are organelles found in the hair cells of birds that are composed of ferritin nanoparticles, form rapidly after hatching by the fusion of vesicular structures, and may play an indirect role in magnetic sensation.
    1. Cell Biology

    Ferritinophagy via NCOA4 is required for erythropoiesis and is regulated by iron dependent HERC2-mediated proteolysis

    Joseph D Mancias et al.
    NCOA4, the ferritin autophagy receptor, is regulated by HERC2 in an iron-dependent manner and is critical for red blood cell development.
    1. Physics of Living Systems
    2. Neuroscience

    Magnetogenetics: Problems on the back of an envelope

    Polina Anikeeva, Alan Jasanoff
    Insight
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    1. Cell Biology

    Metal Transport: Pumping iron

    Caroline C Philpott
    Insight
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    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

    Possible magneto-mechanical and magneto-thermal mechanisms of ion channel activation in magnetogenetics

    Mladen Barbic
    Several new magneto-mechanical and magneto-thermal mechanisms of ion channel activation in magnetogenetics are proposed that may explain some of the mysteries that challenge current understanding of the magnetogenetics experiments.
    1. Genetics and Genomics

    The endonuclease Cue2 cleaves mRNAs at stalled ribosomes during No Go Decay

    Karole N D'Orazio et al.
    Cue2 is an endonuclease that cleaves mRNA in the A site of the lagging ribosome upon ribosome collision events.

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