Egg activation in flowering plants |
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| Authors: | A. F. Antoine C. Dumas J.-E. Faure J. A. Feijó M. Rougier |
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| Affiliation: | (1) Laboratoire de Reproduction et Développement des plantes. UMR 5667 CNRS, INRA, UCB Lyon 1, ENS Lyon, 46 Allée d’Italie, 69364 Lyon Cedex 07, France e-mail: afantoin@ens-lyon.fr Tel.: +33-4-72-72-86-14, Fax: +33-4-72-72-86-00, FR;(2) Instituto Gulbenkian de Ciência, 2780-156 Oeiras, Portugal, PT |
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| Abstract: | Compared to animals and algae, egg activation in flowering plants is still poorly understood because of the inaccessibility and complexity of the fertilization process which is double and internal. However, the development of in vitro fertilization (IVF) systems in maize and a few other plants, despite some limitations, offers new possibilities for the study of early post- fusional events and signals leading to egg activation under defined conditions. This review reports recent data on calcium events induced by gamete fusion during maize IVF and presents perspectives on the role of calcium in egg activation and in early development. Received: 2 December 2000 / Accepted: 7 June 2001 |
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| Keywords: | Zea mays In vitro fertilization Egg activation Calcium |
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