Plant Physiol.
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Plant Physiology 84:989-992 (1987)
© 1987 American Society of Plant Biologists

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Environmental and Stress Physiology

Drought-Induced Changes in Protein Patterns of Brassica napus var. oleifera Roots

Nicole Vartanian, Catherine Damerval and Dominique de Vienne1

Institut de Physiologie Végétale, Centre National de la Recherche Scientifique, 91190 Gif-sur-Yvette, France, Laboratoire de Génétique des Systèmes Végétaux, Centre National de la Recherche Scientifique, Institut National de la Recherche Agronomique, Université de Paris-Sud, La Ferme du Moulon, 91190 Gif-sur-Yvette, France

Drought-induced changes in two-dimensional silver stained protein patterns of Brassica napus L. var. oleifera M. root system were detected both at quantitative and qualitative levels. Particularly, 13 new polypeptides of low molecular weight were evidenced in the drought-stressed tap root, 12 of which were also present in the short tuberized roots, a specific drought-induced root type. The reversibility of these modifications, observed after 3 days rehydration, suggests that they might be involved in drought tolerance.

1 Present address; Department of Genetics, University of California, Davis, CA 95616.






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Copyright © 1987 by the American Society of Plant Biologists