Browse our latest Cell Biology articles

Page 189 of 327
    1. Cell Biology
    2. Plant Biology

    Two mechanisms regulate directional cell growth in Arabidopsis lateral roots

    Charlotte Kirchhelle, Daniel Garcia-Gonzalez ... Ian Moore
    In lateral roots, cells employ a novel pathway to cell edges to control directional growth, which acts independently of the leading paradigm of oriented deposition of cellulose microfibrils at faces.
    1. Cell Biology

    Accelerated phosphatidylcholine turnover in macrophages promotes adipose tissue inflammation in obesity

    Kasparas Petkevicius, Sam Virtue ... Antonio Vidal-Puig
    Obesity leads to increased phosphatidylcholine turnover in adipose tissue macrophages that makes them susceptible to saturated fatty acid-induced inflammation.
    1. Cell Biology

    A critical role of VMP1 in lipoprotein secretion

    Hideaki Morishita, Yan G Zhao ... Noboru Mizushima
    The ER transmembrane protein VMP1 is important for release of lipoproteins from the ER membrane into the ER lumen for secretion.
    1. Cell Biology

    Proteostasis collapse, a hallmark of aging, hinders the chaperone-Start network and arrests cells in G1

    David F Moreno, Kirsten Jenkins ... Martí Aldea
    Cells accumulate damaged proteins during aging and, by compromising the function of chaperones in folding newly synthesized G1 cyclins, proteostasis breakdown inhibits cell-cycle entry and drives yeast cells into senescence.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Heparan sulfates are critical regulators of the inhibitory megakaryocyte-platelet receptor G6b-B

    Timo Vögtle, Sumana Sharma ... Yotis A Senis
    Heparan sulfates in the vessel wall bind and regulate signaling from the megakaryocyte/platelet-specific inhibitory receptor G6b-B, a critical regulator of platelet homeostasis.
    1. Cell Biology
    2. Structural Biology and Molecular Biophysics

    Structural state recognition facilitates tip tracking of EB1 at growing microtubule ends

    Taylor A Reid, Courtney Coombes ... Melissa K Gardner
    EB1 targeting to growing microtubule plus-ends is facilitated by tapered microtubule tip structures.
    1. Cell Biology
    2. Structural Biology and Molecular Biophysics

    Extensive ribosome and RF2 rearrangements during translation termination

    Egor Svidritskiy, Gabriel Demo ... Andrei A Korostelev
    Ensemble cryo-EM visualizes how structural rearrangements poise the newly made protein and release factor RF2 to dissociate in preparation for ribosome recycling.
    1. Cell Biology
    2. Structural Biology and Molecular Biophysics

    A structural mechanism for phosphorylation-dependent inactivation of the AP2 complex

    Edward A Partlow, Richard W Baker ... Gunther Hollopeter
    Cryo-EM reveals how a protein called NECAP inactivates the AP2 clathrin adaptor complex through concerted engagement of two domains which confer specificity for membrane-activated and phosphorylated AP2.
    1. Cell Biology

    Molecular basis for dyneinopathies reveals insight into dynein regulation and dysfunction

    Matthew G Marzo, Jacqueline M Griswold ... Steven M Markus
    A mutagenesis screen in budding yeast sheds light on dynein regulation and function, and reveals the molecular basis for disease in patients suffering from neuropathies caused by dynein dysfunction.
    1. Cell Biology

    Evidence that a positive feedback loop drives centrosome maturation in fly embryos

    Ines Alvarez-Rodrigo, Thomas L Steinacker ... Jordan W Raff
    Polo kinase recruitment by the protein Spd-2 to the pericentriolar scaffold is a key element of the positive feedback loop which drives the expansion of the mitotic centrosomes in flies.