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Journal Article

pUR222, a vector for cloning and rapid chemical sequencing of DNA

MPS-Authors
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Koenen,  Michael
Molecular anatomy of the neuromuscular junction, Max Planck Institute for Medical Research, Max Planck Society;
Department of Molecular Neurobiology, Max Planck Institute for Medical Research, Max Planck Society;
Working Group Witzemann / Koenen, Max Planck Institute for Medical Research, Max Planck Society;
Department of Cell Physiology, Max Planck Institute for Medical Research, Max Planck Society;

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https://academic.oup.com/nar/article-pdf/9/16/4087/3761797/9-16-4087.pdf
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https://doi.org/10.1093/nar/9.16.4087
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Citation

Rüther, U., Koenen, M., Otto, K., & Müller−Hill, B. (1981). pUR222, a vector for cloning and rapid chemical sequencing of DNA. Nucleic Acids Research, 9(16), 4087-4098. doi:10.1093/nar/9.16.4087.


Cite as: https://hdl.handle.net/21.11116/0000-0000-F50C-F
Abstract
A multipurpose plasmid, pUR222, was constructed. It contains six unique cloning sites (PstI, SalI, AccI, HindII, BamHI and EcoRI) in a small region of its lac Z-gene part. Insertion of foreign DNA into the plasmid can be easily detected. Bacteria harbouring recombinant plasmids generally give rise to white colonies, while those containing only vector DNA form blue colonies on indicator plates. Plasmid DNA purified by a rapid method (Birnboim, H.C. and Doly, J. (1979) Nucl. Acids. Res. 7, 1513-1523) can be used for chemical sequencing of the cloned insert DNA. Labeled fragments need not be isolated after cutting with the proper restriction enzymes and are treated directly according to the sequencing protocol of Maxam and Gilbert.