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Day Neutral Flowering represses Constans to prevent Arabidopsis flowering early in short days
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Morris, Karl, Dr., Thornber, Sarah Elizabeth, Codrai, Lesley, Richardson, C. (Christine), Craig, A. (Adam), Sadanandom, Ari, Thomas, Brian and Jackson, Stephen D. (2010) Day Neutral Flowering represses Constans to prevent Arabidopsis flowering early in short days. Plant Cell, Vol.22 (No.4). pp. 1118-1128. doi:10.1105/tpc.109.066605 ISSN 1040-4651.
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Official URL: http://dx.doi.org/10.1105/tpc.109.066605
Abstract
The photoperiodic response in Arabidopsis thaliana requires the precise regulation of CONSTANS (CO) expression in relation to the light period during the day. In short days (SDs) levels of CO expression are normally low during the light period, and this results in delayed flowering compared with long days (LDs) when CO expression rises to high levels before the end of the light period. We identified a novel flowering time gene called DAY NEUTRAL FLOWERING (DNF) that acts in the same flowering pathway as CO. DNF is a membrane-bound E3 ligase that represses CO expression and plays an important role in maintaining low levels of CO expression in SDs. The effect of DNF on the rhythm of CO expression is essential for the photoperiodic response of Arabidopsis, enabling it to have a different flowering response in LDs and SDs.
Item Type: | Journal Article | ||||
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Alternative Title: | DNF suppresses CO expression in SD | ||||
Subjects: | S Agriculture > SB Plant culture | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- ) > Warwick HRI (2004-2010) | ||||
Library of Congress Subject Headings (LCSH): | Arabidopsis thaliana -- Flowering time, Plants, Flowering of -- Flowering time, Arabidopsis thaliana -- Genetics, Biological rhythms | ||||
Journal or Publication Title: | Plant Cell | ||||
Publisher: | American Society of Plant Biologists | ||||
ISSN: | 1040-4651 | ||||
Official Date: | 14 April 2010 | ||||
Dates: |
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Volume: | Vol.22 | ||||
Number: | No.4 | ||||
Number of Pages: | 11 | ||||
Page Range: | pp. 1118-1128 | ||||
DOI: | 10.1105/tpc.109.066605 | ||||
Status: | Peer Reviewed | ||||
Access rights to Published version: | Open Access (Creative Commons) | ||||
Funder: | Biotechnology and Biological Sciences Research Council (Great Britain) (BBSRC) |
Data sourced from Thomson Reuters' Web of Knowledge
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