Mining the natural genetic variation in Arabidopsis thaliana for adaptation to sequential abiotic and biotic stresses

Autor: Coolen, Silvia, Van Pelt, Johan A, Van Wees, Saskia C M, Pieterse, Corné M J, Sub Plant-Microbe Interactions, Plant Microbe Interactions
Přispěvatelé: Sub Plant-Microbe Interactions, Plant Microbe Interactions
Jazyk: angličtina
Rok vydání: 2019
Předmět:
0106 biological sciences
0301 basic medicine
Candidate gene
food.ingredient
Disease Resistance/genetics
Physiological
Quantitative Trait Loci
Arabidopsis
Plant Science
Quantitative trait locus
Stress
01 natural sciences
03 medical and health sciences
food
Stress
Physiological
Botany
Genetic variation
Genetics
Arabidopsis thaliana
Animals
Arabidopsis/genetics
Herbivory
Adaptation
Plant Diseases/immunology
Physiological/genetics
Botrytis cinerea
Botrytis
Disease Resistance
Plant Diseases
Abiotic component
biology
fungi
food and beverages
Chromosome Mapping
Genetic Variation
Adaptation
Physiological/genetics
biology.organism_classification
Adaptation
Physiological
030104 developmental biology
Larva
Quantitative Trait Loci/genetics
Butterflies
010606 plant biology & botany
Genome-Wide Association Study
Zdroj: Planta, 249(4), 1087. Springer Verlag
ISSN: 0032-0935
Popis: In this genome-wide association study, we obtained novel insights into the genetic basis of the effect of herbivory or drought stress on the level of resistance against the fungus Botrytis cinerea. In nature, plants function in complex environments where they encounter different biotic and abiotic stresses individually, sequentially or simultaneously. The adaptive response to a single stress does not always reflect how plants respond to such a stress in combination with other stresses. To identify genetic factors that contribute to the plant's ability to swiftly adapt to different stresses, we investigated the response of Arabidopsis thaliana to infection by the necrotrophic fungus B. cinerea when preceded by Pieris rapae herbivory or drought stress. Using 346 natural A. thaliana accessions, we found natural genetic variation in the level of resistance against single B. cinerea infection. When preceded by herbivory or drought stress, the level of B. cinerea resistance was differentially influenced in the 346 accessions. To study the genetic factors contributing to the differential adaptation of A. thaliana to B. cinerea infection under multi-stress conditions, we performed a genome-wide association study supported by quantitative trait loci mapping and fine mapping with full genome sequences of 164 accessions. This yielded several genes previously associated with defense to B. cinerea and additional candidate genes with putative roles in the plant's adaptive response to a combination of herbivory, drought and B. cinerea infection.
Databáze: OpenAIRE
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