92 results found
    1. Evolutionary Biology
    2. Microbiology and Infectious Disease

    Apicomplexan-like parasites are polyphyletic and widely but selectively dependent on cryptic plastid organelles

    Jan Janouškovec, Gita G Paskerova ... Timur G Simdyanov
    Apicomplexan-like parasites originated several times independently and many of them contain cryptic plastid organelles, which demonstrate that the parasites evolved from photosynthetic algae.
    1. Microbiology and Infectious Disease

    Modifications at K31 on the lateral surface of histone H4 contribute to genome structure and expression in apicomplexan parasites

    Fabien Sindikubwabo, Shuai Ding ... Mohamed-ali Hakimi
    A versatile acetylation-methylation switch at lysine 31 on the lateral surface of histone H4 contributes to chromatin structure in apicomplexan parasites.
    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.
    1. Structural Biology and Molecular Biophysics
    2. Evolutionary Biology

    An atomic-resolution view of neofunctionalization in the evolution of apicomplexan lactate dehydrogenases

    Jeffrey I Boucher, Joseph R Jacobowitz ... Douglas L Theobald
    The convergent evolution of unusually strict substrate specificity in apicomplexan LDHs arose by classic neofunctionalization of a duplicated MDH gene via few mutations of large effect.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    Identification of cryptic subunits from an apicomplexan ATP synthase

    Diego Huet, Esther Rajendran ... Sebastian Lourido
    A phylum-specific ATP synthase subunit is needed for proper mitochondrial function and stability of the complex in Toxoplasma gondii.
    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

    Apical annuli are specialised sites of post-invasion secretion of dense granules in Toxoplasma

    Sara Chelaghma, Huiling Ke ... Ross F Waller
    Apicomplexan parasites secrete proteins to manipulate their hosts from sub-apical openings in their cell pellicle that are distinct from the apical complex from where invasion factors are secreted.
    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. Microbiology and Infectious Disease

    The Toxoplasma monocarboxylate transporters are involved in the metabolism within the apicoplast and are linked to parasite survival

    Hui Dong, Jiong Yang ... Shaojun Long
    Combined cutting-edge technologies discovered a pair of carboxylate transporters that appears evolutionarily different among novel transporters and that is essential for parasite physiology.
    1. Microbiology and Infectious Disease

    A plant-like mechanism coupling m6A reading to polyadenylation safeguards transcriptome integrity and developmental gene partitioning in Toxoplasma

    Dayana C Farhat, Matthew W Bowler ... Christopher Swale
    The epitranscriptomic-driven mRNA polyadenylation pathway protects transcriptome integrity by restricting transcriptional read-throughs and RNA chimera formation in apicomplexan parasites and plants.

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