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该项目工人合成GffiCryIA杀虫基因，与国外相比有自己的特色；将八个表达调控序列构建在一起，用于提高杀虫基因在植物中表达效果；在植物表达载体方面，所构建的是～个基因加倍双向植物表达载体，可在棉花中高效表达外源基因产物；采用花粉管通道技术进行棉花遗传转化，获得了
The project workers synthesized GffiCryIA insecticidal genes, compared with foreign countries have their own characteristics; the eight expression control sequences together to improve the expression of insecticidal genes in plants; in plant expression vector, constructed by ~ Genes double the bidirectional plant expression vector can be highly expressed in cotton exogenous gene products; using pollen tube channel technology for cotton genetic transformation obtained