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人神经元电压门控钙通道γ-3基因的克隆 被引量:1
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作者 夏家辉 张华莉 +5 位作者 唐冬生 汤熙翔 戴和平 潘乾 龙志高 廖晓东 《科学通报》 EI CAS CSCD 北大核心 2000年第12期1284-1288,共5页
将小鼠Cacng2基因的编码区与EST数据库进行同源性分析,得到一个与小鼠Cacng2基因在 435 bp中有 75%同源的 EST(GenBank: W29095).在该 EST中设计引物与 cDNA文库载体臂上引物行巢式... 将小鼠Cacng2基因的编码区与EST数据库进行同源性分析,得到一个与小鼠Cacng2基因在 435 bp中有 75%同源的 EST(GenBank: W29095).在该 EST中设计引物与 cDNA文库载体臂上引物行巢式 PCR和 RACE反应,在人脑前叶皮质 cDNA文库和人脑 Ready cDNA中获得 cDNA序列 1545 bp,其中包含一个 948 bp的可读框,编码 315个氨基酸.该可读框经确证命名为 CACNG3.CACNG3基因与大规模测序中定位于16p12-p13.1的BAC克隆AC004125完全一致,从而将该基因定位于16p12-p13.1,并由此获得它的基因组结构,编码区由4个外显子组成.经RT-PCR分析,CACNG3在成人脑和胎脑有表达.运用PCR-SSCP在视网膜色素变性家系、视网膜色素变性伴耳聋和癫痫家系进行突变检测,未检测到突变. 展开更多
关键词 Cacng2 cacng3 克隆 SSCP 癫痫 钙通道基因
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Identification and characterization of human neuronal voltage-gated calcium channel gamma 3 subunit gene 被引量:2
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作者 Jiahui Xia Huali Zhang +5 位作者 Dongsheng Tang Xixiang Tang Heping Dai Qian Pan Zhigao Long Xiaodong Liao 《Chinese Science Bulletin》 SCIE EI CAS 2000年第23期2172-2176,共5页
By homologous expressed sequence tag (EST) searching, one EST (GenBank: W29095) was obtained, which shows 75% identity in 435 bp overlap with the coding sequence of mouse Cacng2 gene. A 1 545 bp cDNA fragment was obta... By homologous expressed sequence tag (EST) searching, one EST (GenBank: W29095) was obtained, which shows 75% identity in 435 bp overlap with the coding sequence of mouse Cacng2 gene. A 1 545 bp cDNA fragment was obtained from the nested polymerase chain reaction (PCR) and rapid applification of cDNA end (RACE) reaction in the human brain prefrontal cortex cDNA library and the human brain Ready cDNA with the primers designed on W29095. The fragment contained a 948-bp open reading frame (ORF) encoding 315 amino acids, and was named CACNG3. As it was identical to a BAC clone (GenBank: AC004125) from chromosome 16p12-p13.1, the CACNG3 gene was mapped to human chromosome 16p12-p13.1, and the coding region was composed of 4 exons. Reverse transcription PCR (RT-PCR) analysis showed that the CACNG3 gene expressed in human adult brain and fetal brain. Single strand comformation polymorphism (SSCP) analysis was performed in 3 pedigrees with autosomal recessive retinitis pigmentosa, 8 pedigrees with autosomal 展开更多
关键词 Cacng2 cacng3 gene CLONING SSCP HOMOLOGOUS searching.
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