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    J Ocul Biol Dis Infor. 2009 Dec 12;2(4):214-222.

    The role of DNA microarrays in Toxoplasma gondii research, the causative agent of ocular toxoplasmosis.

    Source

    Department of Microbiology and Immunology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73034 USA.

    Abstract

    Ocular toxoplasmosis, which is caused by the protozoan parasite Toxoplasma gondii, is the leading cause of retinochoroiditis. Toxoplasma is an obligate intracellular pathogen that replicates within a parasitophorous vacuole. Infections are initiated by digestion of parasites deposited in cat feces or in undercooked meat. Parasites then disseminate to target tissues that include the retina where they then develop into long-lived asymptomatic tissue cysts. Occasionally, cysts reactivate and growth of newly emerged parasites must be controlled by the host's immune system or disease will occur. The mechanisms by which Toxoplasma grows within its host cell, encysts, and interacts with the host's immune system are important questions. Here, we will discuss how the use of DNA microarrays in transcriptional profiling, genotyping, and epigenetic experiments has impacted our understanding of these processes. Finally, we will discuss how these advances relate to ocular toxoplasmosis and how future research on ocular toxoplasmosis can benefit from DNA microarrays.

    PMID:
    20157353
    [PubMed]
    PMCID: PMC2816810
    Free PMC Article

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