发明授权
US5770212A Recombinant poxviruses with foreign DNA in essential regions 失效
重要痘病毒与外来DNA在必需区域

Recombinant poxviruses with foreign DNA in essential regions
摘要:
Defective poxviruses that lack a function imparted by an essential region of its parental poxvirus are provided for protein production and vaccination. A DNA polynucleotide encoding a protein is inserted into the defective poxvirus and placed under transcriptional control of a promoter. The defective poxvirus is viable when the lost function of the essential region is complemented by a host cell, transgenic animal or helper virus.
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