Abstract
AbstractWith the development of plant genetic engineering, many transformation methods can be used to transfer heterogeneous genes into plants to develop genetic crops. However, a lot of research results have shown that transgene expression remains largely unpredictable and there is great variation of expression level in different transgenic plant lines. Plant genetic engineering research is reviewed in the present paper. We analysed the reasons why low efficiency of heterogeneous gene expression has happened in transgenic plants in terms of DNA modification, localization of proteins and methods of transformation used. Some strategies for improving heterogeneous gene expression in transgenic plants are also discussed.
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