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Science 5 March 1999:
Vol. 283. no. 5407, pp. 1541 - 1544
DOI: 10.1126/science.283.5407.1541
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Reports

Cytokinin Activation of Arabidopsis Cell Division Through a D-Type Cyclin

Catherine Riou-Khamlichi, 1* Rachael Huntley, 1 Annie Jacqmard, 2 James A.H. Murray 1dagger

Cytokinins are plant hormones that regulate plant cell division. The D-type cyclin CycD3 was found to be elevated in a mutant of Arabidopsis with a high level of cytokinin and to be rapidly induced by cytokinin application in both cell cultures and whole plants. Constitutive expression of CycD3 in transgenic plants allowed induction and maintenance of cell division in the absence of exogenous cytokinin. Results suggest that cytokinin activates Arabidopsis cell division through induction of CycD3 at the G1-S cell cycle phase transition.

1 Institute of Biotechnology, University of Cambridge, Tennis Court Road, Cambridge CB2 1QT, UK.
2 Département de Biologie Végétale, Université de Liège, Service de Physiologie, Sart Tilman, B4000 Liège, Belgium.
*   Present address: Faculté des Sciences, Institut de Biotechnologie, Université de Limoges, 123 avenue Albert Thomas, 87060 Limoges, France.

dagger    To whom correspondence should be addressed. E-mail: j.murray{at}biotech.cam.ac.uk

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   Abstract »    Full Text »    PDF »
Ethylene induces cell death at particular phases of the cell cycle in the tobacco TBY-2 cell line.
R.J. Herbert, B. Vilhar, C. Evett, C.B. Orchard, H.J. Rogers, M.S. Davies, and D. Francis (2001)
J. Exp. Bot. 52, 1615-1623
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Analysis of cell division parameters and cell cycle gene expression during the cultivation of Arabidopsis thaliana cell suspensions.
C. Richard, C. Granier, D. Inze, and L. D. Veylder (2001)
J. Exp. Bot. 52, 1625-1633
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A New C-Type Cyclin-Dependent Kinase from Tomato Expressed in Dividing Tissues Does Not Interact with Mitotic and G1 Cyclins.
J. Joubes, M. Lemaire-Chamley, F. Delmas, J. Walter, M. Hernould, A. Mouras, P. Raymond, and C. Chevalier (2001)
Plant Physiology 126, 1403-1415
   Abstract »    Full Text »    PDF »
APO2001: A sexy apomixer in como.
C. Spillane, J.-P. Vielle-Calzada, and U. Grossniklaus (2001)
PLANT CELL 13, 1480-1491
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Efficient gene activation in cultured mammalian cells mediated by FLP recombinase-expressing recombinant adenovirus.
M. Nakano, K. Odaka, M. Ishimura, S. Kondo, N. Tachikawa, J. Chiba, Y. Kanegae, and I. Saito (2001)
Nucleic Acids Res. 29, e40
   Abstract »    Full Text »    PDF »
Investigating the hows and whys of DNA endoreduplication.
B. A. Larkins, B. P. Dilkes, R. A. Dante, C. M. Coelho, Y.-m. Woo, and Y. Liu (2001)
J. Exp. Bot. 52, 183-192
   Abstract »    Full Text »    PDF »
Origins and complexes: the initiation of DNA replication.
J. A. Bryant, K. Moore, and S. J. Aves (2001)
J. Exp. Bot. 52, 193-202
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An Enhancer Trap Line Associated with a D-Class Cyclin Gene in Arabidopsis.
K. Swaminathan, Y. Yang, N. Grotz, L. Campisi, and T. Jack (2000)
Plant Physiology 124, 1658-1667
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Isolation of three distinct CycD3 genes expressed during fruit development in tomato.
A. Kvarnheden, J.-L. Yao, X. Zhan, I. O'Brien, and B. A. M. Morris (2000)
J. Exp. Bot. 51, 1789-1797
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Effects of Elevated [CO2] and Nitrogen Nutrition on Cytokinins in the Xylem Sap and Leaves of Cotton.
J. W.H. Yong, S. C. Wong, D. S. Letham, C. H. Hocart, and G. D. Farquhar (2000)
Plant Physiology 124, 767-780
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Sugar Control of the Plant Cell Cycle: Differential Regulation of Arabidopsis D-Type Cyclin Gene Expression.
C. Riou-Khamlichi, M. Menges, J. M. S. Healy, and J. A. H. Murray (2000)
Mol. Cell. Biol. 20, 4513-4521
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Phytosulfokine-{alpha}, a Peptide Growth Factor Found in Higher Plants: Its Structure, Functions, Precursor and Receptors.
H. Yang, Y. Matsubayashi, H. Hanai, and Y. Sakagami (2000)
Plant Cell Physiol. 41, 825-830
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The Expression of D-Cyclin Genes Defines Distinct Developmental Zones in Snapdragon Apical Meristems and Is Locally Regulated by the Cycloidea Gene.
V. Gaudin, P. A. Lunness, P. R. Fobert, M. Towers, C. Riou-Khamlichi, J. A.H. Murray, E. Coen, and J. H. Doonan (2000)
Plant Physiology 122, 1137-1148
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Hormone Autotrophic Growth and Differentiation Identifies Mutant Lines of Arabidopsis with Altered Cytokinin and Auxin Content or Signaling.
M. Frank, H.-M. Rupp, E. Prinsen, V. Motyka, H. Van Onckelen, and T. Schmulling (2000)
Plant Physiology 122, 721-730
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Plant organ size control: AINTEGUMENTA regulates growth and cell numbers during organogenesis.
Y. Mizukami and R. L. Fischer (2000)
PNAS 97, 942-947
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