Amplification VP7 gene from RV G4 serotype, construct a plasmid includes this gene and cloneculture.
从轮状病毒G4型中扩增出vp7基因，将该基因构建于质粒并克隆培养。
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Methods: The advantage of serum free and clone culturing technology was performed to isolate, culture and passage neural stem cells from embryonic rat hippocampus, striatum and spinal cord.