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Plastid transformation system to prevent the intramolecular recombination of transgene
Plastid transformation system to prevent the intramolecular recombination of transgene
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机译:质体转化系统可防止转基因分子内重组
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摘要
The present invention relates to a plastid transformation system capable of preventing second recombination events of heterologous genes inserted into plastid genomes. More specifically, this invention relates to a plastid transformation vector carrying a promoter and a terminator derived from organisms other than tobacco. The inventive recombinant expression vector for plastid transformation is capable of mass-producing exogenous proteins on a level par with conventional vectors carrying promoter/terminator couples of tobacco origin. At the same time, it is capable of preventing second recombination events within plastids. Thus, the vector of this invention is greatly useful in producing transgenic plants since it can effect a secure introduction of heterologous genes and support normal transformation and heterologous gene expression.
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