Evolution of flowering in response to day length: Flipping the CONSTANS switch

Evolution of flowering in response to day length: Flipping the CONSTANS switch

Day length provides an important environmental cue by signalling conditions favourable for flowering. While Arabidopsis promotes flowering in response to long days, rice promotes flowering in response to short days. Despite this difference, a recent paper reveals that the network controlling this re...

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Veröffentlicht in:BioEssays 2003-09, Vol.25 (9), p.829-832
1. Verfasser: Simpson, Gordon G.
Format: Artikel
Sprache:eng
Schlagworte:
Arabidopsis - genetics
Circadian Rhythm
Gene Expression Regulation, Plant
Models, Genetic
Oryza - genetics
Plants - genetics
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Zusammenfassung:Day length provides an important environmental cue by signalling conditions favourable for flowering. While Arabidopsis promotes flowering in response to long days, rice promotes flowering in response to short days. Despite this difference, a recent paper reveals that the network controlling this response is highly conserved in these distantly related plants, only the activity of one component is reversed.1 This reveals how an important developmental process can be diversified for adaptation by using the same set of genes, but regulating them differently. BioEssays 25:829–832, 2003. © 2003 Wiley Periodicals, Inc.
ISSN:0265-9247
1521-1878
DOI:10.1002/bies.10330