Plant cyclins: a unified nomenclature for plant A-, B- and D-type cyclins based on sequence organization |
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| Authors: | Jean-Pierre Renaudin John H Doonan Donna Freeman Junji Hashimoto Heribert Hirt Dirk Inzé Thomas Jacobs Hiroshi Kouchi Pierre Rouzé Margret Sauter Arnould Savouré David A Sorrell Venkatesan Sundaresan James A H Murray |
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| Institution: | (1) Laboratory of Plant Biochemistry and Physiology, INRA/ENSAM/CNRS, 34060 Montpellier Cedex 1, France;(2) Dept. of Cell Biology, John Innes Centre, Colney Lane, NR4 7UH Norwich, UK;(3) Institute of Biotechnology, University of Cambridge, Tennis Court Road, CB2 1QT Cambridge, UK;(4) National Institute of Agrobiological Resources, 305 Tsukuba, Ibaraki, Japan;(5) Institute of Microbiology and Genetics, University of Vienna, Dr Borhgasse 9, 1030 Vienna, Austria;(6) Laboratoire Associé de l'INRA, University of Gent, K.L. Ledeganckstraat 35, 9000 Gent, Belgium;(7) University of Illinois, 61801 Urbana, IL, USA;(8) Institut für Allgemeine Botanik, Universitat Hamburg, 22609 Hamburg, Germany;(9) Faculty of Sciences, Molecular Biology Laboratory, 33 rue de St-Leu, 80039 Amiens Cedex, France;(10) Cold Spring Harbor Laboratory, 11724 Cold Spring Harbor, NY, USA |
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| Abstract: | The comparative analysis of a large number of plant cyclins of the A/B family has recently revealed that plants possess two distinct B-type groups and three distinct A-type groups of cyclins 1]. Despite earlier uncertainties, this large-scale comparative analysis has allowed an unequivocal definition of plant cyclins into either A or B classes. We present here the most important results obtained in this study, and extend them to the case of plant D-type cyclins, in which three groups are identified. For each of the plant cyclin groups, consensus sequences have been established and a new, rational, plant-wide naming system is proposed in accordance with the guidelines of the Commission on Plant Gene Nomenclature. This nomenclature is based on the animal system indicating cyclin classes by an upper-case roman letter, and distinct groups within these classes by an arabic numeral suffix. The naming of plant cyclin classes is chosen to indicate homology to their closest animal class. The revised nomenclature of all described plant cyclins is presented, with their classification into groups CycA1, CycA2, CycA3, CycB1, CycB2, CycD1, CycD2 and CycD3. |
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| Keywords: | cyclins nomenclature |
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