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Related Experiment Videos

Transgenic approaches to crop improvement.

J M Dunwell1

  • 1School of Plant Sciences, University of Reading, UK. J.Dunwell@reading.ac.uk

Journal of Experimental Botany
|August 12, 2000
PubMed
Summary

Transgenic crop development is shifting from simple herbicide and insect resistance to complex traits like enhanced growth and photosynthesis. Patent data reveals commercial priorities and timelines for introducing new transgenic varieties.

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Area of Science:

  • Agricultural Science
  • Biotechnology
  • Genetics

Background:

  • Transgenic crops are commercially cultivated on millions of hectares, primarily in North America.
  • Key crops include maize, soybean, cotton, and potatoes, with trials extending to 52 species.
  • Field trials encompass major field crops, vegetables, and woody species.

Purpose of the Study:

  • To review recent data on transgenic crop field trials.
  • To identify trends in trait development, moving towards complex agronomic characteristics.
  • To analyze commercial priorities and introduction timelines for new transgenic varieties.

Main Methods:

  • Review of recent data from transgenic crop field trials.
  • Analysis of patent databases to ascertain commercial interests.
  • Assessment of timelines for transgene introgression and variety release.

Main Results:

  • A notable trend shows a shift from single-gene traits (herbicide, insect resistance) to complex traits (growth rate, photosynthetic efficiency).
  • Patent databases serve as a valuable indicator of commercial research and development priorities.
  • The introduction of transgenes into breeding populations and subsequent variety release involves specific time scales.

Conclusions:

  • The field of transgenic crop development is evolving towards more sophisticated traits.
  • Patent analysis provides critical insights into the commercial trajectory of agricultural biotechnology.
  • Understanding the timelines for transgene integration is crucial for predicting the future landscape of crop varieties.

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