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Biologists discover 'death stench' is a universal ancient warning signal
Date:9/11/2009

g that a nasty predator was nearby.

"As explained in our study, fatty acidsoleic or linoleic acidsare reliably and quickly released from the cells following death. Evolution appears to have favoured such clues because they were reliably associated with demise, and avoiding contagion and predation are rather critical to survival."

The generality and strength of the phenomenon, coupled with the fact that the fatty acids are essential nutrients rather than pesticides, holds real promise for applications such as plant and stored product protection or exclusion of household pests.


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Contact: Jane Christmas
chrisja@mcmaster.ca
McMaster University
Source:Eurekalert

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