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Curr Biol. 2015 Apr 20;25(8):R335-7. doi: 10.1016/j.cub.2015.02.043.

Evolution: Parasite Pressure Favors Fortress-like Defence.

Author information

1
Department of Ecology & Evolutionary Biology, Princeton University, Princeton, NJ 08544, USA. Electronic address: algraham@princeton.edu.

Abstract

Why are some defence mechanisms expressed constitutively, while others are induced only upon exposure? Experimental evolution in a bacteria-phage system provides empirical support for the prediction that high frequency of exposure to parasites selects for constitutive defence despite associated costs.

PMID:
25898104
DOI:
10.1016/j.cub.2015.02.043
[Indexed for MEDLINE]
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