A method for global protein expression and antibody screening on high-density filters of an arrayed cDNA library

被引:209
作者
Büssow, K [1 ]
Cahill, D [1 ]
Nietfeld, W [1 ]
Bancroft, D [1 ]
Scherzinger, E [1 ]
Lehrach, H [1 ]
Walter, G [1 ]
机构
[1] Max Planck Inst Mol Genet, D-14195 Berlin, Germany
关键词
D O I
10.1093/nar/26.21.5007
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
We have developed a technique to establish catalogues of protein products of arrayed cDNA clones identified by DNA hybridisation or sequencing. A human fetal brain cDNA library was directionally cloned in a bacterial vector that allows IPTG-inducible expression of His(6)-tagged fusion proteins. Using robot technology, the library was arrayed in microtitre plates and gridded onto high-density in situ filters. A monoclonal antibody recognising the N-terminal RGSH(6) sequence of expressed proteins (RGS.His antibody, Qiagen) detected 20% of the library as putative expression clones. Two example genes, GAPDH and HSP90 alpha, were identified on high-density filters using DNA probes and antibodies against their proteins.
引用
收藏
页码:5007 / 5008
页数:2
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