A unified approach to the estimation and interpretation of resistance costs in plants
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 adaptedthe so-called cost of adaptation....
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| Otros Autores: | , |
| Formato: | Artículo |
| Lenguaje: | Español |
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| Acceso en línea: | http://ri.agro.uba.ar/files/intranet/articulo/2011VilaAiub.pdf LINK AL EDITOR |
| Aporte de: | Registro referencial: Solicitar el recurso aquí |
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| 100 | 1 | |9 9201 |a Vila Aiub, Martín Miguel | |
| 245 | 0 | 0 | |a A unified approach to the estimation and interpretation of resistance costs in plants |
| 520 | |a 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 adaptedthe 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. | ||
| 653 | 0 | |a DEFENCE TRAITS | |
| 653 | 0 | |a FITNESS | |
| 653 | 0 | |a GENETIC BACKGROUND | |
| 653 | 0 | |a RESISTANCE COSTS | |
| 653 | 0 | |a ALLELE | |
| 653 | 0 | |a COST-BENEFIT ANALYSIS | |
| 653 | 0 | |a EXPERIMENTAL STUDY | |
| 653 | 0 | |a FUTURE PROSPECT | |
| 653 | 0 | |a GENETIC VARIATION | |
| 653 | 0 | |a LIFE HISTORY TRAIT | |
| 653 | 0 | |a PLANT | |
| 653 | 0 | |a ADAPTATION | |
| 653 | 0 | |a BIOLOGICAL MODEL | |
| 653 | 0 | |a DISEASE RESISTANCE | |
| 653 | 0 | |a GENE FREQUENCY | |
| 653 | 0 | |a GENETIC SELECTION | |
| 653 | 0 | |a GENETICS | |
| 653 | 0 | |a GENOTYPE | |
| 653 | 0 | |a MOLECULAR EVOLUTION | |
| 653 | 0 | |a PLANT GENE | |
| 653 | 0 | |a REPRODUCTIVE FITNESS | |
| 653 | 0 | |a REVIEW | |
| 653 | 0 | |a ADAPTATION, BIOLOGICAL | |
| 653 | 0 | |a EVOLUTION, MOLECULAR | |
| 653 | 0 | |a GENES, PLANT | |
| 653 | 0 | |a GENETIC FITNESS | |
| 653 | 0 | |a PLANTS | |
| 653 | 0 | |a SELECTION, GENETIC | |
| 700 | 1 | |9 69391 |a Neve, Paul | |
| 700 | |a Roux, Fernand |9 52410 | ||
| 773 | |t Heredity |g Vol.107, no.5 (2011), p.386-394 | ||
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| 900 | |a ^tA unified approach to the estimation and interpretation of resistance costs in plants | ||
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| 900 | |a ^aVila-Aiub, M.M.^tDepartment of Ecology, IFEVA [CONICET], Universidad de Buenos Aires [UBA], Avenida San Martin 4453, Buenos Aires 1417, Argentina | ||
| 900 | |a ^aNeve, P.^tSchool of Life Sciences, University of Warwick, Wellesbourne, Warwickshire, United Kingdom | ||
| 900 | |a ^aRoux, F.^tLaboratoire de Génétique et Evolution des Populations Végétales, FRE-CNRS 3268, Université de Lille 1, Villeneuve d'Ascq Cedex, France | ||
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| 900 | |a Vol. 107, no. 5 | ||
| 900 | |a 394 | ||
| 900 | |a DEFENCE TRAITS | ||
| 900 | |a FITNESS | ||
| 900 | |a GENETIC BACKGROUND | ||
| 900 | |a RESISTANCE COSTS | ||
| 900 | |a ALLELE | ||
| 900 | |a COST-BENEFIT ANALYSIS | ||
| 900 | |a EXPERIMENTAL STUDY | ||
| 900 | |a FUTURE PROSPECT | ||
| 900 | |a GENETIC VARIATION | ||
| 900 | |a LIFE HISTORY TRAIT | ||
| 900 | |a PLANT | ||
| 900 | |a ADAPTATION | ||
| 900 | |a BIOLOGICAL MODEL | ||
| 900 | |a DISEASE RESISTANCE | ||
| 900 | |a GENE FREQUENCY | ||
| 900 | |a GENETIC SELECTION | ||
| 900 | |a GENETICS | ||
| 900 | |a GENOTYPE | ||
| 900 | |a MOLECULAR EVOLUTION | ||
| 900 | |a PLANT GENE | ||
| 900 | |a REPRODUCTIVE FITNESS | ||
| 900 | |a REVIEW | ||
| 900 | |a ADAPTATION, BIOLOGICAL | ||
| 900 | |a EVOLUTION, MOLECULAR | ||
| 900 | |a GENES, PLANT | ||
| 900 | |a GENETIC FITNESS | ||
| 900 | |a PLANTS | ||
| 900 | |a SELECTION, GENETIC | ||
| 900 | |a 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 adaptedthe 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. | ||
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