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Ants self-medicate to fight disease


knocker

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  • Location: Camborne
  • Location: Camborne

Clever little buggers.

 

Ants medicate to fight disease

 

Parasites are ubiquitous, and the ability to defend against these is of paramount importance. One way to fight diseases is self-medication, which occurs when an organism consumes biologically active compounds to clear, inhibit or alleviate disease symptoms. Here, we show for the first time that ants selectively consume harmful substances (Reactive Oxygen Species, ROS) upon exposure to a fungal pathogen, yet avoid these in the absence of infection. This increased intake of ROS, while harmful to healthy ants, leads to higher survival of exposed ants. The fact that ingestion of this substance carries a fitness cost in the absence of pathogens rules out compensatory diet choice as the mechanism, and provides evidence that social insects medicate themselves against fungal infection, using a substance that carries a fitness cost to uninfected individuals.

 

http://onlinelibrary.wiley.com/doi/10.1111/evo.12752/abstract;jsessionid=271D689F35A8F8FB589E6A128A03B3E6.f01t01

 

Article in New Scientist

 

https://www.newscientist.com/article/dn28077-ant-knows-how-to-self-medicate-to-fight-off-fungal-infection

Edited by knocker
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