Journal
PLANT CELL
Volume 22, Issue 4, Pages 1264-1280Publisher
OXFORD UNIV PRESS INC
DOI: 10.1105/tpc.109.073635
Keywords
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Funding
- European Union [MRTN-GT-2004-005336, MEST-CT-2004-514632]
- Interuniversity Attraction Poles Programme
- Agency for Innovation by Science and Technology
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As in other eukaryotes, cell division in plants is highly conserved and regulated by cyclin-dependent kinases (CDKs) that are themselves predominantly regulated at the posttranscriptional level by their association with proteins such as cyclins. Although over the last years the knowledge of the plant cell cycle has considerably increased, little is known on the assembly and regulation of the different CDK complexes. To map protein-protein interactions between core cell cycle proteins of Arabidopsis thaliana, a binary protein-protein interactome network was generated using two complementary high-throughput interaction assays, yeast two-hybrid and bimolecular fluorescence complementation. Pairwise interactions among 58 core cell cycle proteins were tested, resulting in 357 interactions, of which 293 have not been reported before. Integration of the binary interaction results with cell cycle phase-dependent expression information and localization data allowed the construction of a dynamic interaction network. The obtained interaction map constitutes a framework for further in-depth analysis of the cell cycle machinery.
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