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TWN Biotechnology & Biosafety Series 11

Vertical (Trans)gene Flow: Implications for Crop Diversity and Wild Relatives

By David Quist

Publisher: TWN (ISBN: 978-967-5412-26-4)

Year: 2010   No. of pages: 40

ABOUT THE BOOK

This paper presents an overview of the potential evolutionary consequences of (trans)gene flow, focusing on crop plants. It introduces the basic concepts of the biology of gene flow and discusses the potential evoluntionary significance of transgene flow from crop to wild relative, crop to landrace, and crop to crop, each of which has its own set of emergent socio-cultural, political, and economic considerations. The discussion also draws on recent research and actual transgene flow events. Research needs, critical gaps in scientific understanding and uncertainties in gene flow assessments are identified with a view to contributing to a more robust scientific assessment of the potential implications of vertical transgene flow for crop biodiversity, weed and target resistance evolution, and food security.

ABOUT THE AUTHOR

DR DAVID QUIST is a senior scientist at GenØk – Centre for Biosafety in Tromsø, Norway. He received his PhD from the University of California, Berkeley, where he studied the fate of transgenic DNA in traditional varieties of maize in Oaxaca, Mexico. His current work focuses on the detection and characterization of transgenes in varying biological and ecological contexts, risk research in emerging biotechnologies, and eco-epidemiological approaches to monitoring transgene flow.

Contents

1.      INTRODUCTION                                                                 

2.            OVERVIEW OF VERTICAL GENE TRANSFER (GENE FLOW)     

3.      (TRANS)GENE FLOW AND ITS POTENTIAL EVOLUTIONARY CONSEQUENCES

        

4.            TRACKING TRANSGENES

        

5.            RESEARCH NEEDS, GAPS IN KNOWLEDGE AND UNCERTAINTIES IN GENE FLOW ASSESSMENTS

6.            PRACTICAL CONSIDERATIONS FOR POLICY AND RISK ASSESSMENT ON GENE FLOW

7.            CONCLUSIONS

8.            REFERENCES

REFERENCES

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