Improved method for screening cDNA expression libraries for DNA-binding proteins
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- PMID: 1389172
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Improved method for screening cDNA expression libraries for DNA-binding proteins
Biotechniques.
1992 Sep.
Abstract
The ability to successfully screen a lambda gt11 cDNA expression library for specific gene products that can bind to selected sequences of DNA depends on radioactive double-stranded DNA probes with high specific activity. We demonstrate here that probes labeled by the PCR are superior to probes made by the Klenow reaction. The use of these PCR-generated probes have facilitated our efforts to isolate recombinant phage containing putative DNA-binding gene products that recognized a 246-base pair transcriptional enhancer region of Rous sarcoma virus long terminal repeat.
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