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Position: Home > Articles > Cloning and Analysis of Ubiquitin Fusion Degradation Protein GenecDNA in Wheat Journal of Shihezi University(Natural Science) 2004,22 (5) 369-372

小麦泛素融合降解蛋白基因全长cDNA的克隆及分析

作  者:
黄先忠;马正强;魏灵珠;刘彤;张强
单  位:
南京农业大学作物遗传与种质创新国家重点实验室;石河子大学农学院;石河子大学生物工程学院
关键词:
小麦;泛素融合降解蛋白;克隆;分析
摘  要:
实验利用RT PCR技术,在小麦矮苏3品种中克隆了1个编码泛素融合降解蛋白基因的cDNA,并且含有完整的5′端,将该基因命名为Tufd1,利用RACE技术克隆了该cDNA的3′端。根据这2段cDNA克隆,设计特异引物,利用RT PCR扩增出了Tufd1完整的开放读码框(ORF),其编码区长948bp,编码315个氨基酸的多肽,在NCBI中运行BLAST。分析表明,Tufd1蛋白同拟南芥的UFD1蛋白有74%的同源性,在所编码的多肽链的N 端有UFD1保守结构域,可作为催化蛋白降解的信号。
译  名:
Cloning and Analysis of Ubiquitin Fusion Degradation Protein GenecDNA in Wheat
作  者:
HUANG Xian-zhong~(1,2), MA Zeng-qiang~1, WENG Ling-zhu~1, LIU Tong~2, ZHANG Qiang~3 ural University, Nanjing, Jiangsu 210095, China; 2 College of Bio-engineering, Shihezi University, Shihezi, Xinjiang 832003, China; 3 College of Agriculture, Shihezi University, Shihezi, Xinjiang 832003, China)
关键词:
wheat; ubquitin fusion degradation protein; cloning; analysis
摘  要:
Ubiquitin fusion degradation protein is involved in a degradation pathway for ubiquitin fused products,firstly described in yeast.A full-length cDNA encoding the ubiquitin fusion degradation protein was cloned through RT-PCR and RACE,and this gene was designated as Tufd1.The entire coding region of Tufd1 was amplified by using special primers,which was 948bp,encoding a polypeptide of 315 amino acids.Its N-terminal has a conserved UFD1 domain functioning as a degradation signal of proteins.This gene was first cloned in wheat genomes.

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