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Natural variation i...
Natural variation in autumn expression is the major adaptive determinant distinguishing arabidopsis flc haplotypes
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- Hepworth, Jo (author)
- John Innes Centre
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- Antoniou-Kourounioti, Rea L. (author)
- John Innes Centre
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- Berggren, Kristina (author)
- Mid Sweden University
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- Selga, Catja (author)
- Lund University
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- Tudor, Eleri H. (author)
- John Innes Centre
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- Yates, Bryony (author)
- John Innes Centre
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- Cox, Deborah (author)
- John Innes Centre
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- Harris, Barley Rose Collier (author)
- John Innes Centre
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- Irwin, Judith A. (author)
- John Innes Centre
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- Howard, Martin (author)
- John Innes Centre
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- Säll, Torbjörn (author)
- Lund University,Lunds universitet,Molekylär cellbiologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Molekylär ekologi och evolution,Forskargrupper vid Lunds universitet,Molecular Cell Biology,Department of Biology,Faculty of Science,Molecular Ecology and Evolution Lab,Lund University Research Groups
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- Holm, Svante (author)
- Mid Sweden University
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- Dean, Caroline (author)
- John Innes Centre
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(creator_code:org_t)
- 2020
- 2020
- English 30 s.
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In: eLife. - 2050-084X. ; 9
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Abstract
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- In Arabidopsis thaliana, winter is registered during vernalization through the temperature-dependent repression and epigenetic silencing of floral repressor FLOWERING LOCUS C (FLC). Natural Arabidopsis accessions show considerable variation in vernalization. However, which aspect of the FLC repression mechanism is most important for adaptation to different environments is unclear. By analysing FLC dynamics in natural variants and mutants throughout winter in three field sites, we find that autumnal FLC expression, rather than epigenetic silencing, is the major variable conferred by the distinct Arabidopsis FLChaplotypes. This variation influences flowering responses of Arabidopsis accessions resulting in an interplay between promotion and delay of flowering in different climates to balance survival and, through a post-vernalization effect, reproductive output. These data reveal how expression variation through non-coding cis variation at FLC has enabled Arabidopsis accessions to adapt to different climatic conditions and year-on-year fluctuations.
Subject headings
- NATURVETENSKAP -- Biologi -- Botanik (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Botany (hsv//eng)
Publication and Content Type
- art (subject category)
- ref (subject category)
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eLife
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- By the author/editor
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Hepworth, Jo
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Antoniou-Kouroun ...
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Berggren, Kristi ...
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Selga, Catja
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Tudor, Eleri H.
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Yates, Bryony
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show more...
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Cox, Deborah
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Harris, Barley R ...
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Irwin, Judith A.
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Howard, Martin
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Säll, Torbjörn
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Holm, Svante
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Dean, Caroline
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Botany
- Articles in the publication
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eLife
- By the university
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Lund University