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Fungus Attacks Zombie-Ant Fungus

Photo: David Hughes/Penn State University

In 2011, scientists discovered
a species of fungus that turns ants into zombies
. Aptly called the
zombie-ant fungus (Ophiocordyceps unilateralis s.l.), the organism
invades an ant’s brain and causes it to march to its death at a mass grave
near the ant colony. There, fungus spores erupt out of the ant’s head
to infect more ants.

As if that’s not weird enough, David Hughes of Penn State University
has discovered that some ant colonies survive this zombie infestation
… with a little help from another predator: another species of fungus
that attacks the zombie-ant fungus!

"In a case where biology is stranger than fiction, the parasite
of the zombie-ant fungus is itself a fungus — a hyperparasitic fungus
that specializes in attacking the parasite that turns the ants into
zombies," Hughes said.

"The hyperparasitic fungus effectively castrates the zombie-ant
fungus so it cannot spread its spores," said Hughes, who is an
assistant professor of entomology and biology, and a member of the Center
for Infectious Disease Dynamics at Penn State. "Because the hyperparasitic
fungi prevents the infected zombie-ant fungus from spreading spores,
fewer of the ants will become zombies."

– via The

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May 3rd, 2012

Stranger to the World


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