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Toxoplasma Gondii

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Chlamydia infection rate, by country (WHO 2004) Credit: Wikimedia Commons
Are we being manipulated by microbes? The idea is not so whacky. We know that a wide range of microscopic parasites have evolved the ability to manipulate their hosts, even to the point of making the host behave in strange ways. A well-known example is Toxoplasma gondii, a protozoan whose life cycle begins inside a... Read More
Toxoplasma gondii(source: A.J. Cann) It’s long been known that many organisms are parasites, i.e., they survive by living off a host. In recent years we’ve learned that some of them can improve on their life strategy by manipulating their host’s behavior. A fungus, Ophiocordyceps unilateralis, will invade an ant’s brain and direct its host to... Read More
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