Article
Using knockout mutants to reveal the growth costs of defensive traits.
Proceedings. Biological sciences - 7 Sept 2011
Züst Tobias, Joseph Bindu, Shimizu Kentaro K, Kliebenstein Daniel J, Turnbull Lindsay A
Abstract excerpt
We used a selection of Arabidopsis thaliana mutants with knockouts in defence genes to demonstrate growth costs of trichome development and glucosinolate production. Four of the seven defence mutants had significantly higher size-standardized growth rates (SGRs) than the wild-type in early life, although this benefit declined as plants grew larger. SGR is known to be a good predictor of success under high-density...
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