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Accepted (AM)Open Access (License Unspecified), Open
Journal article
Molecular basis of flowering under natural long-day conditions in Arabidopsis
Nature plants, v 4(10), pp 824-835
01 Oct 2018
PMID: 30250277
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Plants sense light and temperature changes to regulate flowering time. Here, we show that expression of the Arabidopsis florigen gene, FLOWERING LOCUS T (FT), peaks in the morning during spring, a different pattern than we observe in the laboratory. Providing our laboratory growth conditions with a red/far-red light ratio similar to open-field conditions and daily temperature oscillation is sufficient to mimic the FT expression and flowering time in natural long days. Under the adjusted growth conditions, key light signalling components, such as phytochrome A and EARLY FLOWERING 3, play important roles in morning FT expression. These conditions stabilize CONSTANS protein, a major FT activator, in the morning, which is probably a critical mechanism for photoperiodic flowering in nature. Refining the parameters of our standard growth conditions to more precisely mimic plant responses in nature can provide a powerful method for improving our understanding of seasonal response.
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Details
- Title
- Molecular basis of flowering under natural long-day conditions in Arabidopsis
- Creators
- Young Hun Song - University of WashingtonAkane Kubota - University of WashingtonMichael S Kwon - University of WashingtonMichael F Covington - Amaryllis Nucleics, Oakland, CA, USANayoung Lee - University of WashingtonElla R Taagen - University of WashingtonDianne Laboy Cintrón - University of WashingtonDae Yeon Hwang - Ajou UniversityReiko Akiyama - University of ZurichSarah K Hodge - University of EdinburghHe Huang - Donald Danforth Plant Science CenterNhu H Nguyen - University of WashingtonDmitri A Nusinow - Donald Danforth Plant Science CenterAndrew J Millar - University of EdinburghKentaro K Shimizu - University of ZurichTakato Imaizumi - University of Washington
- Publication Details
- Nature plants, v 4(10), pp 824-835
- Publisher
- Springer Nature
- Grant note
- R01 GM079712 / NIGMS NIH HHS R25 HG007153 / NHGRI NIH HHS
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Pediatrics
- Web of Science ID
- WOS:000448763000023
- Scopus ID
- 2-s2.0-85053820225
- Other Identifier
- 991021838160004721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Plant Sciences