Document Detail


The cell cycle genes cycA1;1 and cdc2Os-3 are coordinately regulated by gibberellin in planta.
MedLine Citation:
PMID:  10987556     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Internodal growth of deepwater rice (Oryza sativa L.) can achieve rates of up to 10 mm h(-1). In submergence-induced plants, gibberellic acid activates the cell division cycle first at the G1 --> S phase transition with a subsequent increase in mitotic activity. The proteins cycA1;1 and cdc2Os-3 are the regulatory and catalytic subunits, respectively, of cyclin-dependent protein kinases (CDKs) which are central to cell cycle regulation. Both genes are regulated by gibberellic acid in a coordinate manner with transcripts accumulating in the G2 phase prior to the B2-type mitotic cyclins described previously (M. Sauter et al. 1995, Plant J 7: 623-632), suggesting a distinct role in regulating G2/M phase progression. Since cdc2Os-3 belongs to a group of CDKs that have no counterparts in animals, it may function in a plant-specific gibberellin-regulated cell division process.
Authors:
T Fabian; R Lorbiecke; M Umeda; M Sauter
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Planta     Volume:  211     ISSN:  0032-0935     ISO Abbreviation:  Planta     Publication Date:  2000 Aug 
Date Detail:
Created Date:  2001-01-11     Completed Date:  2001-01-11     Revised Date:  2009-11-19    
Medline Journal Info:
Nlm Unique ID:  1250576     Medline TA:  Planta     Country:  GERMANY    
Other Details:
Languages:  eng     Pagination:  376-83     Citation Subset:  IM    
Affiliation:
Institut für Allgemeine Botanik, AMPII, Universität Hamburg, Germany.
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MeSH Terms
Descriptor/Qualifier:
Cell Cycle / genetics*
Cells, Cultured
Cloning, Molecular
Cyclin-Dependent Kinases / genetics*
G2 Phase
Gene Expression Regulation, Plant / drug effects,  physiology*
Genes, Plant
Gibberellins / pharmacology*
Mitosis
Oryza sativa / cytology*,  enzymology,  genetics*
Protein Subunits
Recombinant Proteins / biosynthesis
Chemical
Reg. No./Substance:
0/Gibberellins; 0/Protein Subunits; 0/Recombinant Proteins; EC 2.7.11.22/Cyclin-Dependent Kinases

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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