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Effects of Genetic Perturbation on Seasonal Life History Plasticity.

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Title: Effects of Genetic Perturbation on Seasonal Life History Plasticity.
Authors: Wilczeck, Amity M., Roe, Judith L., Knapp, Mary C., Cooper, Martha D., Lopez-Gallego, Cristina, Martin, Laura J., Muir, Christopher D., Sim, Sheina, Walker, Alexis, Anderson, Jillian, Egan, J. Franklin, Moyers, Brook T., Petipas, Renee, Giakountis, Antonis, Charbit, Erika, Coupland, George, Welch, Stephen M., Schmitt, Johanna
Source: Science (pre-March 2025). 2/13/2009, Vol. 323 Issue 5916, p930-934. 5p.
Subjects: Arabidopsis thaliana, Plant reproduction, Life history theory, Botany experiments, Flowering of plants, Plant genetics, Climate change, Phenotypic plasticity
Abstract: Like many species, the model plant Arabidopsis thaliana exhibits multiple different life histories in natural environments. We grew mutants impaired in different signaling pathways in field experiments across the species' native European range in order to dissect the mechanisms underlying this variation. Unexpectedly, mutational loss at loci implicated in the cord requirement for flowering had little effect on life history except in late-summer cohorts. A genetically informed photothermal model of progression toward flowering explained most of the observed variation and predicted an abrupt transition from autumn flowering to spring flowering in late-summer germinants. Environmental signals control the timing of this transition, creating a critical window of acute sensitivity to genetic and climatic change that may be common for seasonally regulated life history traits. [ABSTRACT FROM AUTHOR]
Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Effects of Genetic Perturbation on Seasonal Life History Plasticity.
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  Data: <searchLink fieldCode="AR" term="%22Wilczeck%2C+Amity+M%2E%22">Wilczeck, Amity M.</searchLink><br /><searchLink fieldCode="AR" term="%22Roe%2C+Judith+L%2E%22">Roe, Judith L.</searchLink><br /><searchLink fieldCode="AR" term="%22Knapp%2C+Mary+C%2E%22">Knapp, Mary C.</searchLink><br /><searchLink fieldCode="AR" term="%22Cooper%2C+Martha+D%2E%22">Cooper, Martha D.</searchLink><br /><searchLink fieldCode="AR" term="%22Lopez-Gallego%2C+Cristina%22">Lopez-Gallego, Cristina</searchLink><br /><searchLink fieldCode="AR" term="%22Martin%2C+Laura+J%2E%22">Martin, Laura J.</searchLink><br /><searchLink fieldCode="AR" term="%22Muir%2C+Christopher+D%2E%22">Muir, Christopher D.</searchLink><br /><searchLink fieldCode="AR" term="%22Sim%2C+Sheina%22">Sim, Sheina</searchLink><br /><searchLink fieldCode="AR" term="%22Walker%2C+Alexis%22">Walker, Alexis</searchLink><br /><searchLink fieldCode="AR" term="%22Anderson%2C+Jillian%22">Anderson, Jillian</searchLink><br /><searchLink fieldCode="AR" term="%22Egan%2C+J%2E+Franklin%22">Egan, J. Franklin</searchLink><br /><searchLink fieldCode="AR" term="%22Moyers%2C+Brook+T%2E%22">Moyers, Brook T.</searchLink><br /><searchLink fieldCode="AR" term="%22Petipas%2C+Renee%22">Petipas, Renee</searchLink><br /><searchLink fieldCode="AR" term="%22Giakountis%2C+Antonis%22">Giakountis, Antonis</searchLink><br /><searchLink fieldCode="AR" term="%22Charbit%2C+Erika%22">Charbit, Erika</searchLink><br /><searchLink fieldCode="AR" term="%22Coupland%2C+George%22">Coupland, George</searchLink><br /><searchLink fieldCode="AR" term="%22Welch%2C+Stephen+M%2E%22">Welch, Stephen M.</searchLink><br /><searchLink fieldCode="AR" term="%22Schmitt%2C+Johanna%22">Schmitt, Johanna</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Science+%28pre-March+2025%29%22">Science (pre-March 2025)</searchLink>. 2/13/2009, Vol. 323 Issue 5916, p930-934. 5p.
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  Data: <searchLink fieldCode="DE" term="%22Arabidopsis+thaliana%22">Arabidopsis thaliana</searchLink><br /><searchLink fieldCode="DE" term="%22Plant+reproduction%22">Plant reproduction</searchLink><br /><searchLink fieldCode="DE" term="%22Life+history+theory%22">Life history theory</searchLink><br /><searchLink fieldCode="DE" term="%22Botany+experiments%22">Botany experiments</searchLink><br /><searchLink fieldCode="DE" term="%22Flowering+of+plants%22">Flowering of plants</searchLink><br /><searchLink fieldCode="DE" term="%22Plant+genetics%22">Plant genetics</searchLink><br /><searchLink fieldCode="DE" term="%22Climate+change%22">Climate change</searchLink><br /><searchLink fieldCode="DE" term="%22Phenotypic+plasticity%22">Phenotypic plasticity</searchLink>
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  Label: Abstract
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  Data: Like many species, the model plant Arabidopsis thaliana exhibits multiple different life histories in natural environments. We grew mutants impaired in different signaling pathways in field experiments across the species' native European range in order to dissect the mechanisms underlying this variation. Unexpectedly, mutational loss at loci implicated in the cord requirement for flowering had little effect on life history except in late-summer cohorts. A genetically informed photothermal model of progression toward flowering explained most of the observed variation and predicted an abrupt transition from autumn flowering to spring flowering in late-summer germinants. Environmental signals control the timing of this transition, creating a critical window of acute sensitivity to genetic and climatic change that may be common for seasonally regulated life history traits. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=pbh&AN=36934765
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      – SubjectFull: Plant reproduction
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      – SubjectFull: Life history theory
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      – SubjectFull: Botany experiments
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      – SubjectFull: Flowering of plants
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      – SubjectFull: Plant genetics
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      – SubjectFull: Climate change
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      – SubjectFull: Phenotypic plasticity
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