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A unified approach to the estimation and interpretation of resistance costs in plants
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Vila-Aiub, Martin M., Neve, Paul and Roux, Fabrice (2011) A unified approach to the estimation and interpretation of resistance costs in plants. Heredity, Vol.107 (No.5). pp. 386-394. doi:10.1038/hdy.2011.29 ISSN 0018-067X.
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Official URL: http://dx.doi.org/10.1038/hdy.2011.29
Abstract
Plants exhibit a number of adaptive defence traits that endow resistance to past and current abiotic and biotic stresses. It is generally accepted that these adaptations will incur a cost when plants are not challenged by the stress to which they have become adapted-the so-called 'cost of adaptation'. The need to minimise or account for allelic variation at other fitness-related loci (genetic background control) is frequently overlooked when assessing resistance costs associated with plant defence traits. We provide a synthesis of the various experimental protocols that accomplish this essential requirement. We also differentiate those methods that enable the identification of the trait-specific or mechanistic basis of costs (direct methods) from those that provide an estimate of the impact of costs by examining the evolutionary trajectories of resistance allele frequencies at the population level (indirect methods). The advantages and disadvantages for each proposed experimental design are discussed. We conclude that plant resistance systems provide an ideal model to address fundamental questions about the cost of adaptation to stress. We also propose some ways to expand the scope of future studies for further fundamental and applied insight into the significance of adaptation costs.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QK Botany | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- ) | ||||
Library of Congress Subject Headings (LCSH): | Plant defenses, Plants -- Disease and pest resistance, Herbicide resistance, Plant genetics, Plants -- Effect of stress on, Plants -- Effect of stress on -- Genetic aspects | ||||
Journal or Publication Title: | Heredity | ||||
Publisher: | Nature Publishing Group | ||||
ISSN: | 0018-067X | ||||
Official Date: | October 2011 | ||||
Dates: |
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Volume: | Vol.107 | ||||
Number: | No.5 | ||||
Page Range: | pp. 386-394 | ||||
DOI: | 10.1038/hdy.2011.29 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
Data sourced from Thomson Reuters' Web of Knowledge
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