Proceedings of a conference held in Amsterdam (Netherlands) and the Robert Koch Institute (Germany), January 2003.

Introgression is the incorporation of a gene from one organism complex into another as a result of hybridization. A major concern with the use of genetically modified (GM) plants is the unintentional spread of the new genes from cultivated plants to their wild relatives and the subsequent impacts on the ecology of wild plants and their associated flora and fauna. The book reviews these issues, focusing on the ecological and evolutionary effects of introducing GM cultivars. It presents a summary of the current knowledge state of crop-wild relatives hybridization and introgression, and the measurement and prediction of their consequences. As a result it represents a major contribution to the debate about the risks of GM crops and measures, such as post commercialization monitoring, required to determine the longer term impacts of GM crops on ecosystems. The book presents edited and revised presentations given at a conference of the same name, organized in January 2003 by the University of Amsterdam (Netherlands) and the Robert Koch Institute (Germany), on behalf of the European Science Foundation funded programme for Assessment of the Impacts of Genetically Modified Plants (AIGM).

Includes bibliographical references and index.

Introduction and the AIGM research project / J. Sweet, H.C.M. den Nijs and D. Bartsch -- Hybridization in nature : lessons for the introgression of transgenes into wild relatives / P.H. van Tienderen -- Introgressive hybridization between invasive and native plant species : a case study in the Genus Rorippa (Brassicaceae) / W. Bleeker -- Hybrids between cultivated and wild carrots : a life history / T.P. Hauser, G.K. Bjørn, L. Magnussen and S.I. Shim -- Gene exchange between wild and crop in Beta vulgaris : how easy is hybridization and what will happen in later generations? / H. van Dijk -- Hybridization between wheat and wild relatives, a European Union research programme / Y. Jacot, K. Ammann, P.R. Al Mazyad, C. Chueca, J. David, J. Gressel, I. Loureiro, H. Wang and E. Benavente -- Molecular genetic assessment of the potential for gene escape in strawberry, a model perennial study crop / A.L. Westman, S. Medel, T.P. Spira, S. Rajapakse, D.W. Tonkyn and A.G. Abbott -- Gene flow in forest trees : gene migration patterns and landscape modelling of transgene dispersal in hybrid poplar / G.T. Slavov, S.P. DiFazio and S.H. Strauss -- Implications for hybridization and introgression between oilseed rape (brassica napus) and wild turnip (b. rapa) from an agricultural perspective / C. Norris, J. Sweet, J. Parker and J. Law -- Asymmetric gene flow and introgression between domesticated and wild populations / R. Papa and P. Gepts -- Crop to wild gene flow in rice and its ecological consequences / B.-R. Lu, Z.-P. Song and J.-K. Chen -- Potential for gene flow from herbicide-resistand GM soybeans to wild soya in the Russian far east / D. Dorokhov, A. Ignatov, E. Deineko, A. Serjapin, A. Ala and K. Skryabin -- Analysis of gene flow in the lettuce crop-weed complex / C. van de Wiel, A. Flavell, N. Syed, R. Antonise, J.R. van der Voort and G. van der Linden -- Introgression of cultivar beet genes to wild beet in the Ukraine / O. Slyvchenko and D. Bartsch -- Crop-wild interaction within the beta vulgaris complex : a comparative analysis of genetic diversity between seabeet and weed beet populations within the French sugarbeet production area / J. Cuguen, J.-F. Arnaud, M. Delescluse and F. Viard -- Crop-wild interaction within the beta vulgaris complex : agronomic aspects of weed beet in the Czech Republic / J. Soukup and J. Holec -- A protocol for evaluating the ecological risks associated with gene flow from transgenic crops into their wild relatives : the case of cultivated sunflower and wild helianthus annuus / D. Pilson, A.A. Snow, L.H. Rieseberg and H.M. Alexander -- A review on interspecific gene flow from oilseed rape to wild relatives / A.-M. Chèvre, H. Ammitzbøll, L.B. Hansen, M. Johannessen, B. Andersen and T.P. Hauser -- Transgene expression and genetic introgression associated with the hybridization of GFP transgenic canola (brassica rapa L.) / M.D. Halfhill, S.I. Warwick and C.N. Stewart Jr -- Insect-resistant transgenic plants and their environmental impact / R.S. Hails and B. Raymond -- Risk assessment of genetically modified undomesticated plants / A. Wennström -- A tiered approach to risk assessment of virus resistance traits based on studies with wild brassicas in England / D.W. Pallette, M.I. Thurston, M.L. Edwards, M. Naylor, H. Wang, M. Alexander, A.J. Gray, E. Mitchell, A.F. Raybould, J.A. Walsh and J.I. Cooper -- Environmental and agronomic consequences of herbicide-resistant (HR) canola in Canada / S.I. Warwick, H.J. Beckie, M.-J. Simard, A. Légère, H. Nair and G. Séguin-Swartz -- Prospects of a hybrid distribution map between GM brassica napus and wild B. rapa across the UK / M. Wilkinson, L. Elliott, J. Allainguillaume, C. Norris, R. Welters, M. Alexander, G. Cuccato, J. Sweet, M. Shaw and D. Mason -- Potential and limits of modelling to predict the impact of transgenic crops in wild species / C. Lavigne, C. Devaux, A. Deville, A. Garnier, E.K. Klein, J. Lecomte, S. Pivard and P.H. Gouyon -- Introgression of GM plants and the EU guidance note for monitoring / H.C.M. den Nijs and D. Bartsch.

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