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- Title
The Experimental and Commercial Release of Transgenic Crop plants.
- Authors
Dale, P. J.; Irwin, J. A.; Scheffler, J. A.
- Abstract
With advances in recombinant DNA methods and transformation procedures, it is possible to transfer genes into crop plants from unrelated plants, microbes and animals. Many of the modifications being carried out, or envisaged, are for disease and pest resistance, product quality and tolerance to environmental stress, but there are additional opportunities to modify crops to give specialized products for industrial or pharmaceutical use. Some of the characteristics of transgenic plants are considered, including: transgene copy number, position, expression, stability, pleiotropy, selectable marker genes and somaclonal variation. There have been several hundreds of field trials with transgenic plants, and the first transgenic varieties are likely to be approved for commercial production in 1993. Before releasing transgenic plants, it is necessary to carry out a risk assessment to determine whether the transgenic variety will behave differently from a conventionally bred variety. Assessment procedures are being harmonized internationally by various organizations. There is a growing commitment to apply these genetic modification methods to crops in developing countries, as genes relevant to their crops and environments become available.
- Subjects
TRANSGENIC plants; RECOMBINANT DNA; PLANT genetic engineering; DISEASE resistance of plants; VIRUS-resistant transgenic plants; RISK assessment in biotechnology
- Publication
Plant Breeding, 1993, Vol 111, Issue 1, p1
- ISSN
0179-9541
- Publication type
Article
- DOI
10.1111/j.1439-0523.1993.tb00602.x