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- Author or Editor: Michael A. Lawton x
Abstract
The use of in vitro techniques for DNA manipulation allows individual DNA sequences to be purified from their original genetic background. Such cloned sequences have been of great value in elucidating gene structure and organization; however, an understanding of how genes function requires an assay system in which genes carried on the cloned sequences may be expressed. Once such a system is available, it should be possible to study the expression and regulation of individual genes. One solution to this problem is to introduce cloned genes into cells which are able to express those genes; this approach offers the additional possibility of introducing new traits into cells and is potentially of great agricultural, medical, and commercial importance.