穿膜区

将绿脓杆菌外毒素、2A序列、IL2受体穿膜区以及新霉素磷酸转移酶的基因依次融合构建新型报告基因&peo，该报告基因能够特异性地甄别具有信号肽编码序列的基因。

A new reporter gene named peo was obtained by in turn fusing Exotoxin A of Pseudomonas aeruginosa , 2 A sequence , transmembrane region of IL-2 receptor and neomycin phosphotransferase genes , Peo is able to report genes encoding secretory proteins specifically .

目的调查中国南方汉族人群MICA基因穿膜区（TM）基因座多态性分布。

Objective To investigate the genetic polymorphism of transmembrane of MICA locus in southern Han population .

牛泡沫病毒跨膜蛋白的穿膜区具有细胞毒性作用

Membrane Association of Bovine Foamy Virus Transmembrane ( TM ) Determines its Cytotoxicity

方法携有截去穿膜区序列的EBVMA基因的重组昆虫杆状病毒感染不同生长阶段及生长条件的昆虫细胞，应用免疫打点法及MasterImagineVDS影像摄录分析系统测定目的蛋白的表达量。

Methods Insect cells at different growth phases and in different culture media were infected with recombinant baculovirus carrying EBV MA gene , where the membrane anchor sequence was deleted .