Plants control their flowering time in order to ensure that they reproduce under favourable conditions. The components involved in this complex process have been identified using a molecular genetic approach in Arabidopsis and classified into genetically separable pathways. The autonomous pathway controls the level of mRNA encoding a floral repressor, FLC, and comprises three RNA-binding proteins, FCA, FPA and FLK. FCA interacts with the 3′-end RNA-processing factor FY to autoregulate its own expression post-transcriptionally and to control FLC. Other components of the autonomous pathway, FVE and FLD, regulate FLC epigenetically. This combination of epigenetic and post-transcriptional control gives precision to the control of FLC expression and flowering time.
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August 2004
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Conference Article|
August 01 2004
RNA processing and Arabidopsis flowering time control Available to Purchase
G.G. Simpson;
G.G. Simpson
1
*Cell and Developmental Biology, John Innes Centre, Norfolk NR4 7UH, U.K.
†Gene Expression Programme, Scottish Crop Research Institute, Invergowrie, Dundee DD2 5DA, U.K.
1To whom correspondence should be addressed (email [email protected]).
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V. Quesada;
V. Quesada
*Cell and Developmental Biology, John Innes Centre, Norfolk NR4 7UH, U.K.
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I.R. Henderson;
I.R. Henderson
*Cell and Developmental Biology, John Innes Centre, Norfolk NR4 7UH, U.K.
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P.P. Dijkwel;
P.P. Dijkwel
*Cell and Developmental Biology, John Innes Centre, Norfolk NR4 7UH, U.K.
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R. Macknight;
R. Macknight
*Cell and Developmental Biology, John Innes Centre, Norfolk NR4 7UH, U.K.
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C. Dean
C. Dean
*Cell and Developmental Biology, John Innes Centre, Norfolk NR4 7UH, U.K.
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Publisher: Portland Press Ltd
Received:
March 20 2004
Online ISSN: 1470-8752
Print ISSN: 0300-5127
© 2004 The Biochemical Society
2004
Biochem Soc Trans (2004) 32 (4): 565–566.
Article history
Received:
March 20 2004
Citation
G.G. Simpson, V. Quesada, I.R. Henderson, P.P. Dijkwel, R. Macknight, C. Dean; RNA processing and Arabidopsis flowering time control. Biochem Soc Trans 1 August 2004; 32 (4): 565–566. doi: https://doi.org/10.1042/BST0320565
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