Gene pyramids and the balancing act of keeping pests at bay

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2019
Authors
MacIntosh, Gustavo C.
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© The Author(s) 2019
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Biochemistry, Biophysics and Molecular Biology
Abstract
Pyramiding R genes is a common strategy used by breeders to enhance resistance and increase durability of resistance in crops. However, the molecular mechanisms that mediate R gene interactions are not known. Kamphuis et al. (2019) analyzed Medicago truncatula plants carrying two genes that confer resistance to bluegreen aphids. They identified a potential phytohormone crosstalk triggered by the combined R gene action in response to aphid feeding that enhances resistance and minimizes R gene-associated fitness costs to the plant.
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This article is published as MacIntosh, Gustavo C. "Gene pyramids and the balancing act of keeping pests at bay." Journal of Experimental Botany 70, no. 18 (2019): 4591-4593. doi: 10.1093/jxb/erz216. Posted with permission. This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
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