NDLI: Functional significance of the alternative transcript processing of the Arabidopsis floral promoter FCA.

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Functional significance of the alternative transcript processing of the Arabidopsis floral promoter FCA.

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Functional significance of the alternative transcript processing of the Arabidopsis floral promoter FCA.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Macknight, Richard Duroux, Meg Laurie, Rebecca Dijkwel, Paul Simpson, Gordon Dean, Caroline
Description	Country affiliation: United kingdom Author Affiliation: Macknight R ( Department of Cell and Developmental Biology, John Innes Centre, Colney Lane, Norwich NR4 7UH, United Kingdom.)
Abstract	The Arabidopsis gene FCA encodes an RNA binding protein that functions to promote the floral transition. The FCA transcript is alternatively processed to yield four transcripts, the most abundant of which is polyadenylated within intron 3. We have analyzed the role of the alternative processing on the floral transition. The introduction of FCA intronless transgenes resulted in increased FCA protein levels and accelerated flowering, but no role in flowering was found for products of the shorter transcripts. The consequences of the alternative processing on the FCA expression pattern were determined using a series of translational FCA-beta-glucuronidase fusions. The inclusion of FCA genomic sequence containing the alternatively processed intron 3 restricted the expression of the transgene predominantly to shoot and root apices and young flower buds. Expression of this fusion also was delayed developmentally. Therefore, the alternative processing of the FCA transcript limits, both spatially and temporally, the amount of functional FCA protein. Expression in roots prompted an analysis of root development, which indicated that FCA functions more generally than in the control of the floral transition.
File Format	HTM / HTML
ISSN	10404651
e-ISSN	1531298X
Journal	THE PLANT CELL ONLINE
Issue Number	4
Volume Number	14
Language	English
Publisher	American Society of Plant Biologists
Publisher Date	2002-04-01
Publisher Place	United States
Access Restriction	Open
Subject Keyword	Discipline Botany Alternative Splicing Genetics Arabidopsis Introns Rna-binding Proteins Physiology Arabidopsis Proteins Brassica Napus Escherichia Coli Gene Expression Regulation, Plant Glucuronidase Metabolism Molecular Sequence Data Mutation Peas Phenotype Plant Roots Plant Stems Plants, Genetically Modified Protein Biosynthesis Rna, Messenger Recombinant Fusion Proteins Reproduction Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Cell Biology Plant Science

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