Affecting cucurbit hormonal status by a ZYMV transient expression vector

V Davidovich, D Leibman, A Gal-On, R Perl-Treves, M Pitrat

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review


Squash and cucumber plants were infected with ZYMV strains engineered to over-express enzymes involved in ethylene and gibberellin biosynthesis. Presence of the inserted ACS gene within the viral RNA was transient and the insert was deleted after 20-40 days. Ethylene over-expressing plants produced very high ethylene levels and were severely stunted. Monoecious cucumbers produced earlier, consecutive female flowers. Gibberellin over-expression was deduced from the observed phenotypic change, plants were taller and flowered earlier.
Original languageAmerican English
Title of host publicationIXth EUCARPIA Meeting on Cucurbit Genetics and Breeding
PublisherINRA. Centre de Recherche d'Avignon. Unité Génétique et Amélioration des Fruits et Légumes, Montfavet (France)
StatePublished - 2008

Bibliographical note

Place of conference:France


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