<i>Leishmania</i> (IMAGE)

WashU Medicine

<i>Leishmania</i>

Caption

Scientists at Washington University School of Medicine in St. Louis recently showed that when a key protein was genetically disabled, the parasite Leishmania couldn't start infections in cell cultures and animals. Parasites in this picture have been stained so that compounds known as polyphosphates appear yellow. The structures where the parasite normally stores these compounds are misshapen and empty in mutant parasites that lack the TOR kinase 3 protein.

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Washington University School of Medicine in St. Louis

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