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IRM-2小鼠cDNA文库的全长cDNA序列分析
引用本文:王芹,刘晓秋,宋力,孙志娟,杜利清,徐畅,王彦,刘强. IRM-2小鼠cDNA文库的全长cDNA序列分析[J]. 苏州大学学报(自然科学版), 2012, 0(5): 613-618
作者姓名:王芹  刘晓秋  宋力  孙志娟  杜利清  徐畅  王彦  刘强
作者单位:北京协和医学院,中国医学科学院放射医学研究所生物室,天津市分子核医学重点实验室,天津300192
基金项目:国家自然科学基金资助项目(30870583); 中国医学科学院放射医学研究所学科发展基金资助项目(SF0822)
摘    要:目的分析IRM-2小鼠全长cDNA文库的cDNA序列。方法根据IRM-2小鼠的21条EST,从IRM-2小鼠全长cDNA文库测定基于该21条EST序列PCR扩增的全长cDNA序列,通过与GenBank基因库同源序列信息比对,分析全长cDNA序列和性质。结果根据21对引物PCR产物的拼接,获得5条全长cDNA序列,与小鼠已知基因不同源,而且得到了可能编码蛋白质的氨基酸序列和蛋白质的性质。结论 5条全长cDNA序列提示IRM-2小鼠体内可能存在辐射抗性相关基因,为进一步分离和鉴定辐射抗性相关基因奠定了基础。

关 键 词:IRM-2小鼠  cDNA文库  cDNA序列  氨基酸序列

Full-length cDNA sequence analysis on IRM-2 mouse cDNA library
WANG Qin,LIU Xiao-qiu,SONG Li,SUN Zhi-juan,DU Li-qing,XU Chang,WANG Yan,LIU Qiang. Full-length cDNA sequence analysis on IRM-2 mouse cDNA library[J]. Suzhou University Journal of Medical Science, 2012, 0(5): 613-618
Authors:WANG Qin  LIU Xiao-qiu  SONG Li  SUN Zhi-juan  DU Li-qing  XU Chang  WANG Yan  LIU Qiang
Affiliation:, LI Jin,FAN Fei-yue(Dept of Biology,Institute of Radiation Medicine,Chinese Academy of Medical Sciences,Peking Union Medical College,Tianjin Key Laboratory of Molecular Nuclear Medicine,Tianjin 300192,China)
Abstract:Objective To analyse cDNA sequences from full-length cDNA library of IRM-2 mice.Methods Full-length cDNA products were amplified by PCR from cDNA library of IRM-2 mice according to twenty-one pieces of EST.Full-length cDNA sequences and properties were analyzed by comparing with GenBank database.Results Five pieces of full-length cDNA were obtained according to PCR products amplified by twenty-one pairs of primers,which were not the same as that of known mice genes.Amino acid sequences and properties of proteins encoded by five pieces of full-length cDNA were acquired.Conclusion Five pieces of full-length cDNA imply that radioresistance correlative genes may be existed in IRM-2 mice,laying a foundation for isolating and identifying radioresistance correlative genes in further study.
Keywords:IRM-2 mice  cDNA library  cDNA sequence  amino acid sequence
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