Into the range: A latitudinal gradient or a center-margins differentiation of ecological strategies in Arabidopsis thaliana?
Background and Aims: Determining within-species large-scale variation in phenotypic traits is central to elucidate the drivers of species' ranges. Intraspecific comparisons offer the opportunity to understand how trade-offs and biogeographical history constrain adaptation to contrasted environmental conditions. Here we test whether functional traits, ecological strategies from the CSR scheme and phenotypic plasticity in response to abiotic stress vary along a latitudinal or a center- margins gradient within the native range of Arabidopsis thaliana. Methods We experimentally examined the phenotypic outcomes of plant adaptation at the center and margins of its geographic range using 30 accessions from southern, central and northern Europe. We characterized the variation of traits related to stress tolerance, resource use, colonization ability, CSR strategy scores, survival and fecundity in response to high temperature (34 °C) or frost (- 6 °C), combined with a water deficit treatment. Key Results: We found evidence for both a latitudinal and a center-margins differentiation for the traits under scrutiny. Age at maturity, leaf dry matter content, specific leaf area and leaf nitrogen content varied along a latitudinal gradient. Northern accessions presented a greater survival to stress than central and southern accessions. Leaf area, C-scores, R-scores and fruit number followed a center-margins differentiation. Central accessions displayed a higher phenotypic plasticity than northern and southern accessions for most studied traits. Conclusions: Traits related to an acquisitive/conservative resource-use trade-off followed a latitudinal gradient. Traits associated with a competition/colonization trade-off differentiated along the historic colonization of the distribution range and then followed a center-margins differentiation. Our findings pinpoint the need to consider the joint effect of evolutionary history and environmental factors when examining phenotypic variation across the distribution range of a species.
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Subjects: | F40 - Écologie végétale, F60 - Physiologie et biochimie végétale, Arabidopsis thaliana, plasticité phénotypique, http://aims.fao.org/aos/agrovoc/c_33292, http://aims.fao.org/aos/agrovoc/c_12386358, |
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dig-cirad-fr-6047752024-01-29T19:01:15Z http://agritrop.cirad.fr/604775/ http://agritrop.cirad.fr/604775/ Into the range: A latitudinal gradient or a center-margins differentiation of ecological strategies in Arabidopsis thaliana? Estarague Aurélien, Vasseur François, Sartori Kevin, Bastias Cristina, Cornet Denis, Rouan Lauriane, Beurier Grégory, Exposito-Alonso Moises, Herbette Stéphane, Bresson Justine, Vile Denis, Violle Cyrille. 2022. Annals of Botany, 129 (3) : 343-356.https://doi.org/10.1093/aob/mcab149 <https://doi.org/10.1093/aob/mcab149> Into the range: A latitudinal gradient or a center-margins differentiation of ecological strategies in Arabidopsis thaliana? Estarague, Aurélien Vasseur, François Sartori, Kevin Bastias, Cristina Cornet, Denis Rouan, Lauriane Beurier, Grégory Exposito-Alonso, Moises Herbette, Stéphane Bresson, Justine Vile, Denis Violle, Cyrille eng 2022 Annals of Botany F40 - Écologie végétale F60 - Physiologie et biochimie végétale Arabidopsis thaliana plasticité phénotypique http://aims.fao.org/aos/agrovoc/c_33292 http://aims.fao.org/aos/agrovoc/c_12386358 Background and Aims: Determining within-species large-scale variation in phenotypic traits is central to elucidate the drivers of species' ranges. Intraspecific comparisons offer the opportunity to understand how trade-offs and biogeographical history constrain adaptation to contrasted environmental conditions. Here we test whether functional traits, ecological strategies from the CSR scheme and phenotypic plasticity in response to abiotic stress vary along a latitudinal or a center- margins gradient within the native range of Arabidopsis thaliana. Methods We experimentally examined the phenotypic outcomes of plant adaptation at the center and margins of its geographic range using 30 accessions from southern, central and northern Europe. We characterized the variation of traits related to stress tolerance, resource use, colonization ability, CSR strategy scores, survival and fecundity in response to high temperature (34 °C) or frost (- 6 °C), combined with a water deficit treatment. Key Results: We found evidence for both a latitudinal and a center-margins differentiation for the traits under scrutiny. Age at maturity, leaf dry matter content, specific leaf area and leaf nitrogen content varied along a latitudinal gradient. Northern accessions presented a greater survival to stress than central and southern accessions. Leaf area, C-scores, R-scores and fruit number followed a center-margins differentiation. Central accessions displayed a higher phenotypic plasticity than northern and southern accessions for most studied traits. Conclusions: Traits related to an acquisitive/conservative resource-use trade-off followed a latitudinal gradient. Traits associated with a competition/colonization trade-off differentiated along the historic colonization of the distribution range and then followed a center-margins differentiation. Our findings pinpoint the need to consider the joint effect of evolutionary history and environmental factors when examining phenotypic variation across the distribution range of a species. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/604775/1/Estarague%20et%20al%202022%20-%20Into%20the%20range_a%20latitudinal%20gradient%20or%20a%20center-margins%20differentiation%20of%20ecological%20strategies%20in%20Arabidopsis%20thaliana_vf.pdf text Cirad license info:eu-repo/semantics/restrictedAccess https://agritrop.cirad.fr/mention_legale.html https://doi.org/10.1093/aob/mcab149 10.1093/aob/mcab149 info:eu-repo/semantics/altIdentifier/doi/10.1093/aob/mcab149 info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.1093/aob/mcab149 info:eu-repo/grantAgreement/ERC/H2020/639706//(EU) Ecophysiological and biophysical constraints on domestication in crop plants/CONSTRAINTS |
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F40 - Écologie végétale F60 - Physiologie et biochimie végétale Arabidopsis thaliana plasticité phénotypique http://aims.fao.org/aos/agrovoc/c_33292 http://aims.fao.org/aos/agrovoc/c_12386358 F40 - Écologie végétale F60 - Physiologie et biochimie végétale Arabidopsis thaliana plasticité phénotypique http://aims.fao.org/aos/agrovoc/c_33292 http://aims.fao.org/aos/agrovoc/c_12386358 |
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F40 - Écologie végétale F60 - Physiologie et biochimie végétale Arabidopsis thaliana plasticité phénotypique http://aims.fao.org/aos/agrovoc/c_33292 http://aims.fao.org/aos/agrovoc/c_12386358 F40 - Écologie végétale F60 - Physiologie et biochimie végétale Arabidopsis thaliana plasticité phénotypique http://aims.fao.org/aos/agrovoc/c_33292 http://aims.fao.org/aos/agrovoc/c_12386358 Estarague, Aurélien Vasseur, François Sartori, Kevin Bastias, Cristina Cornet, Denis Rouan, Lauriane Beurier, Grégory Exposito-Alonso, Moises Herbette, Stéphane Bresson, Justine Vile, Denis Violle, Cyrille Into the range: A latitudinal gradient or a center-margins differentiation of ecological strategies in Arabidopsis thaliana? |
description |
Background and Aims: Determining within-species large-scale variation in phenotypic traits is central to elucidate the drivers of species' ranges. Intraspecific comparisons offer the opportunity to understand how trade-offs and biogeographical history constrain adaptation to contrasted environmental conditions. Here we test whether functional traits, ecological strategies from the CSR scheme and phenotypic plasticity in response to abiotic stress vary along a latitudinal or a center- margins gradient within the native range of Arabidopsis thaliana. Methods We experimentally examined the phenotypic outcomes of plant adaptation at the center and margins of its geographic range using 30 accessions from southern, central and northern Europe. We characterized the variation of traits related to stress tolerance, resource use, colonization ability, CSR strategy scores, survival and fecundity in response to high temperature (34 °C) or frost (- 6 °C), combined with a water deficit treatment. Key Results: We found evidence for both a latitudinal and a center-margins differentiation for the traits under scrutiny. Age at maturity, leaf dry matter content, specific leaf area and leaf nitrogen content varied along a latitudinal gradient. Northern accessions presented a greater survival to stress than central and southern accessions. Leaf area, C-scores, R-scores and fruit number followed a center-margins differentiation. Central accessions displayed a higher phenotypic plasticity than northern and southern accessions for most studied traits. Conclusions: Traits related to an acquisitive/conservative resource-use trade-off followed a latitudinal gradient. Traits associated with a competition/colonization trade-off differentiated along the historic colonization of the distribution range and then followed a center-margins differentiation. Our findings pinpoint the need to consider the joint effect of evolutionary history and environmental factors when examining phenotypic variation across the distribution range of a species. |
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F40 - Écologie végétale F60 - Physiologie et biochimie végétale Arabidopsis thaliana plasticité phénotypique http://aims.fao.org/aos/agrovoc/c_33292 http://aims.fao.org/aos/agrovoc/c_12386358 |
author |
Estarague, Aurélien Vasseur, François Sartori, Kevin Bastias, Cristina Cornet, Denis Rouan, Lauriane Beurier, Grégory Exposito-Alonso, Moises Herbette, Stéphane Bresson, Justine Vile, Denis Violle, Cyrille |
author_facet |
Estarague, Aurélien Vasseur, François Sartori, Kevin Bastias, Cristina Cornet, Denis Rouan, Lauriane Beurier, Grégory Exposito-Alonso, Moises Herbette, Stéphane Bresson, Justine Vile, Denis Violle, Cyrille |
author_sort |
Estarague, Aurélien |
title |
Into the range: A latitudinal gradient or a center-margins differentiation of ecological strategies in Arabidopsis thaliana? |
title_short |
Into the range: A latitudinal gradient or a center-margins differentiation of ecological strategies in Arabidopsis thaliana? |
title_full |
Into the range: A latitudinal gradient or a center-margins differentiation of ecological strategies in Arabidopsis thaliana? |
title_fullStr |
Into the range: A latitudinal gradient or a center-margins differentiation of ecological strategies in Arabidopsis thaliana? |
title_full_unstemmed |
Into the range: A latitudinal gradient or a center-margins differentiation of ecological strategies in Arabidopsis thaliana? |
title_sort |
into the range: a latitudinal gradient or a center-margins differentiation of ecological strategies in arabidopsis thaliana? |
url |
http://agritrop.cirad.fr/604775/ http://agritrop.cirad.fr/604775/1/Estarague%20et%20al%202022%20-%20Into%20the%20range_a%20latitudinal%20gradient%20or%20a%20center-margins%20differentiation%20of%20ecological%20strategies%20in%20Arabidopsis%20thaliana_vf.pdf |
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