2,199 results found
    1. Cell Biology
    2. Developmental Biology

    bicoid mRNA localises to the Drosophila oocyte anterior by random Dynein-mediated transport and anchoring

    Vítor Trovisco, Katsiaryna Belaya ... Daniel St Johnston
    The localisation of bicoid mRNA depends on its microtubule-independent anchoring at the oocyte anterior.
    1. Structural Biology and Molecular Biophysics

    Recruitment of two dyneins to an mRNA-dependent Bicaudal D transport complex

    Thomas E Sladewski, Neil Billington ... Kathleen M Trybus
    mRNA cargo orchestrates the activation of an in vitro reconstituted dynein-dynactin-Bicaudal D-Egalitarian complex for robust processive motion on microtubules.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    A FYVE zinc finger domain protein specifically links mRNA transport to endosome trafficking

    Thomas Pohlmann, Sebastian Baumann ... Michael Feldbrügge
    An endosomal component employs a novel PAM2-like motif to recruit a key RNA-binding protein, which explains how mRNAs and associated ribosomes are attached to endosomes during coupled transport.
    1. Cell Biology

    RNA-directed activation of cytoplasmic dynein-1 in reconstituted transport RNPs

    Mark A McClintock, Carly I Dix ... Simon L Bullock
    Reconstitution of dynein-based mRNA transport with purified components reveals a pivotal role of an RNA localisation signal in controlling the assembly and activity of the translocation machinery.
    1. Cell Biology

    Localised dynactin protects growing microtubules to deliver oskar mRNA to the posterior cortex of the Drosophila oocyte

    Ross Nieuwburg, Dmitry Nashchekin ... Daniel St Johnston
    Dynactin acts as an anti-catastrophe factor that extends microtubule growth; posteriorly elucidating a new essential step in oskar mRNA localisation and providing a novel mechanism by which motor-dependent transport can amplify the polarity of MT networks.
    1. Cell Biology
    2. Physics of Living Systems

    Cortical microtubule nucleation can organise the cytoskeleton of Drosophila oocytes to define the anteroposterior axis

    Philipp Khuc Trong, Hélène Doerflinger ... Raymond E Goldstein
    A three-dimensional description of the cytoskeletal arrangement, cytoplasmic flows, and cargo transport in stage 9 Drosophila oocytes accurately reproduces mRNA localizations in wild-type and mutant oocytes.
    1. Cell Biology

    Competition between kinesin-1 and myosin-V defines Drosophila posterior determination

    Wen Lu, Margot Lakonishok ... Vladimir I Gelfand
    Posterior determination of Drosophila oocyte is defined by competition between kinesin-1 removing posterior determinants from the cortex and myosin-V anchoring them.
    1. Cell Biology

    The influence of dynein processivity control, MAPs, and microtubule ends on directional movement of a localising mRNA

    Harish Chandra Soundararajan, Simon L Bullock
    In vitro reconstitution of mRNA motility reveals the basis of directionally biased motion by groups of motors, their response to potential obstacles, and the consequences of reaching microtubule ends.
    1. Medicine

    Axonal T3 uptake and transport can trigger thyroid hormone signaling in the brain

    Federico Salas-Lucia, Csaba Fekete ... Antonio C Bianco
    T3 is taken up by axonal termini and is retrogradely transported into endosomal vesicles to the cell nucleus, where it regulates gene expression.
    1. Developmental Biology
    2. Genetics and Genomics

    Systematic imaging reveals features and changing localization of mRNAs in Drosophila development

    Helena Jambor, Vineeth Surendranath ... Pavel Tomancak
    Genome wide analysis reveals that many transcripts are localized in cells of the ovary and that the localization status of mRNAs changes over time and in different cell types.

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