91 results found
    1. Cell Biology
    2. Microbiology and Infectious Disease

    Malaria parasite LIMP protein regulates sporozoite gliding motility and infectivity in mosquito and mammalian hosts

    Jorge M Santos, Saskia Egarter ... Gunnar R Mair
    A small surface protein regulates gliding motility and host cell invasion by the sporozoite stage of the malaria parasite.
    1. Cell Biology

    Intraflagellar transport drives flagellar surface motility

    Sheng Min Shih, Benjamin D Engel ... Ahmet Yildiz
    The transport of proteins along flagellar microtubules generates the force that enables flagella to propel cells across surfaces.
    1. Microbiology and Infectious Disease

    Longitudinal analysis of Plasmodium sporozoite motility in the dermis reveals component of blood vessel recognition

    Christine S Hopp, Kevin Chiou ... Photini Sinnis
    Malaria parasites enter the host via the skin, where they are inoculated by an infected mosquito as it probes for blood: the inoculation site is a bottleneck for the parasite and the only time when the parasite is extracellular for more than a few minutes, thus possibly presenting the best opportunity for antibody-mediated inhibition of infection.
    1. Microbiology and Infectious Disease

    Evolutionarily distant I domains can functionally replace the essential ligand-binding domain of Plasmodium TRAP

    Dennis Klug, Sarah Goellner ... Friedrich Frischknecht
    Exchange of the I domain in the Plasmodium surface protein TRAP against evolutionary distant I domains rescues infectivity of sporozoites.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    Toxoplasma bradyzoites exhibit physiological plasticity of calcium and energy stores controlling motility and egress

    Yong Fu, Kevin M Brown ... L David Sibley
    Live-cell imaging and biochemical studies reveal that bradyzoites exhibit reduced Ca2+ stores, dampened calcium responses, and reduced energy levels consistent with their quiescent sate, but that they rapidly respond to environmental conditions to emerge from dormancy.
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    Motility and microtubule depolymerization mechanisms of the Kinesin-8 motor, KIF19A

    Doudou Wang, Ryo Nitta ... Nobutaka Hirokawa
    The structural and functional analysis demonstrates the mechanism of dual functional, motility and microtubule depolymerization in a unique motor, KIF19A.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    Three F-actin assembly centers regulate organelle inheritance, cell-cell communication and motility in Toxoplasma gondii

    Nicolò Tosetti, Nicolas Dos Santos Pacheco ... Damien Jacot
    Toxoplasma gondii formins have several non-overlapping roles including generating an apico-basal flux of F-actin that is controlled by phosphorylation and methylation and is essential for motility.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    Direct live imaging of cell–cell protein transfer by transient outer membrane fusion in Myxococcus xanthus

    Adrien Ducret, Betty Fleuchot ... Tâm Mignot
    Physical contact between two Myxococcus xanthus cells is sufficient to fuse their outer membrane transiently and exchange outer membrane proteins and lipids at high efficiency.
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    Bipolar filaments of human nonmuscle myosin 2-A and 2-B have distinct motile and mechanical properties

    Luca Melli, Neil Billington ... James R Sellers
    Individual nonmuscle myosin 2 filaments in cells may differ their mechanical and kinetic properties depending on the myosin paralog composition giving the cells a mechanism for fine tuning the output of a given nonmuscle myosin filament.
    1. Microbiology and Infectious Disease

    A Tad-like apparatus is required for contact-dependent prey killing in predatory social bacteria

    Sofiene Seef, Julien Herrou ... Tâm Mignot
    First identification of the molecular determinants driving contact-dependent predation in Myxococcus..

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