E2F factors rate controls the dual role of CDE/E2F composite element: a model of E2F-regulated gene expression in plant development.
The promoters of several E2F-regulated genes identified in plants contain a variety of E2F motifs, notably a composite element consisting of a "CDE-like element" C/GGCGG on one strand, described as repressor in animals, associated with an E2F element on the complementary strand. This detailed study throughout plant development using ribonucleotide reductase promoters, allows us to propose a model, where E2F and composite elements play a dual role. Such regulation is mainly conditioned by the availability of E2F factors in tissues and during the cell cycle in tobacco.
Lincker
Frédéric
F
Institut de Biologie Moléculaire des Plantes du CNRS, Université Louis Pasteur, 12 rue du Général Zimmer, 67084 Strasbourg Cedex, France.
Messmer
Mélanie
M
Houlné
Guy
G
Devic
Martine
M
Chabouté
Marie-Edith
ME
D000818:Animals; D002453:Cell Cycle / Q000235:genetics*; D050684:E2F Transcription Factors / Q000235:genetics* / Q000378:metabolism; D018506:Gene Expression Regulation, Plant / Q000235:genetics*; D008957:Models, Genetic; D010940:Plant Proteins; D020218:Response Elements / Q000235:genetics; D012264:Ribonucleotide Reductases / Q000235:genetics* / Q000378:metabolism; D014026:Nicotiana / Q000166:cytology / Q000235:genetics* / Q000378:metabolism
D050684:E2F Transcription Factors; D010940:Plant Proteins; D012264:Ribonucleotide Reductases