13 results found
    1. Microbiology and Infectious Disease
    2. Structural Biology and Molecular Biophysics

    Structural and regulatory insights into the glideosome-associated connector from Toxoplasma gondii

    Amit Kumar, Oscar Vadas ... Stephen Matthews
    The glideosome-associated connector protein transitions between open and closed states, and this regulates its assembly and function during apicomplexan parasite motility.
    1. Microbiology and Infectious Disease
    2. Structural Biology and Molecular Biophysics

    Full-length Plasmodium falciparum myosin A and essential light chain PfELC structures provide new anti-malarial targets

    Dihia Moussaoui, James P Robblee ... Anne Houdusse
    The structure of full-length myosin A provides some hints about its atypical mechanism, and reveals that the light chain PfELC is a target to block malaria pathogenesis.
    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. Microbiology and Infectious Disease

    Essential function of the alveolin network in the subpellicular microtubules and conoid assembly in Toxoplasma gondii

    Nicolò Tosetti, Nicolas Dos Santos Pacheco ... Dominique Soldati-Favre
    A combination of high-resolution microscopy and reverse genetics identified key components of the alveolin network playing an essential role in the assembly of subpellicular microtubules and conoid in Toxoplasma gondii..
    1. Cell Biology
    2. Microbiology and Infectious Disease

    A circular zone of attachment to the extracellular matrix provides directionality to the motility of Toxoplasma gondii in 3D

    Rachel V Stadler, Shane R Nelson ... Gary E Ward
    Parasites constrict as they propel themselves through the extracellular matrix one body length at a time, in a process highly reminiscent of host cell invasion.
    1. Microbiology and Infectious Disease

    Inner membrane complex proteomics reveals a palmitoylation regulation critical for intraerythrocytic development of malaria parasite

    Pengge Qian, Xu Wang ... Jing Yuan
    A systemic proteome of the pellicle organelle inner membrane complex (IMC) provides new insight for the intraerythrocytic proliferation of malaria parasite and identifies the palmitoyl-acyl-transferase DHHC2 as a key enzyme regulating the localization of IMC proteins through palmitoylation.
    1. Microbiology and Infectious Disease

    A comparative transcriptomic analysis of replicating and dormant liver stages of the relapsing malaria parasite Plasmodium cynomolgi

    Annemarie Voorberg-van der Wel, Guglielmo Roma ... Thierry Tidiane Diagana
    This comprehensive transcriptomic resource of dormant and replicating malaria liver parasites highlights the dearth of pathways that operate in the hypnozoites and the need to investigate druggability (i.e. selectivity and safety) of core pathways in malaria parasites.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    Temporal and thermal profiling of the Toxoplasma proteome implicates parasite Protein Phosphatase 1 in the regulation of Ca2+-responsive pathways

    Alice L Herneisen, Zhu-Hong Li ... Sebastian Lourido
    Time-resolved phosphoproteomics and thermal proteome profiling reveal the Ca2+-responsive proteome of the model apicomplexan Taxoplasma gondii, identifying PP1 as a Ca2+-responsive enzyme that regulates Ca2+ uptake to promote parasite motility.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    Formin-2 drives polymerisation of actin filaments enabling segregation of apicoplasts and cytokinesis in Plasmodium falciparum

    Johannes Felix Stortz, Mario Del Rosario ... Sujaan Das
    Formin-2 controls spatiotemporal polymerisation of actin filaments, a common mechanism used by apicomplexans for effective segregation of essential chloroplast-like organelles called apicoplasts, and additionally for daughter formation in Plasmodium falciparum.
    1. Genetics and Genomics
    2. Microbiology and Infectious Disease

    Chromerid genomes reveal the evolutionary path from photosynthetic algae to obligate intracellular parasites

    Yong H Woo, Hifzur Ansari ... Arnab Pain
    Analysis of chromerid algal genomes reveals how apicomplexans have evolved from free-living algae into successful eukaryotic parasites via massive losses and re-inventing functional roles of genes.

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