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Plant viruses and new perspectives in cross-protection

Abstract : Cross-protection in plants is the phenomenon whereby a plant preinoculated with a mild virus strain becomes resistant to subsequent inoculation by a related severe strain. It has been used on a large scale in cases where no resistant plants are available. Although several hypotheses have been proposed to explain the molecular mechanism underlying cross-protection, no single hypothesis can account for all the data obtained. Recently, a phenomenon akin to cross-protection has been achieved in transformed plants harboring the cDNA of a part of a viral RNA genome. These results obtained by genetic engineering raise new hopes for obtaining plants resistant to virus infection.
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Contributor : Chantal Baracco <>
Submitted on : Tuesday, August 4, 2020 - 11:23:46 AM
Last modification on : Sunday, January 3, 2021 - 5:00:09 PM

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Rosaura P.C. Valle, Jacek Skrzeczkowski, Marie-Dominique Morch, Rajiv L Joshi, Radhia Gargouri, et al.. Plant viruses and new perspectives in cross-protection. Biochimie, Elsevier, 1988, 70 (5), pp.695-703. ⟨10.1016/0300-9084(88)90255-6⟩. ⟨hal-02911646⟩



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