Analysis of gene flow in the lettuce crop-weed complex

C.C.M. van de Wiel, A. Flavell, N. Syed, R. Antonise, J.R. van der Voort, C.G. van der Linden

    Research output: Chapter in Book/Report/Conference proceedingChapterAcademicpeer-review


    Cultivated lettuce, Lactuca sativa, and wild prickly lettuce, L. serriola, have been shown to be closely related, if not conspecific. Even though both species are regarded as basically self-pollinating, outcrossing does occur, however to an unknown extent. In the context of an EU-funded project (acronym 'ANGEL'), an attempt is made to assess the level of gene flow between cultivated and wild forms by comparing the two, using the molecular marker systems of amplified fragment length polymorphism (AFLP) and the retrotransposon-based sequence-specific amplified polymorphism (SSAP). In addition, a marker system targeting disease resistance genes and gene analogues, called NBS (nucleotide-binding site)-directed profiling, is implemented in order to screen variation in genomic regions expected to be relevant for plant fitness and to play an important role in plant breeding.
    Original languageEnglish
    Title of host publicationIntrogression from genetically modified plants into wild relatives
    EditorsJ. den Nijs, D. Bartsch, J. Sweet
    Place of PublicationWallingford
    PublisherCABI Publishing
    Number of pages9
    ISBN (Print)9780851998169
    Publication statusPublished - 2004

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