Nucleic Acids Research, 1980, Vol. 8, No. 2 299-317
© 1980
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Electrophoretic transfer of DNA, RNA and protein onto diazobenzyloxymethyl (DBM) - paper
Department of Physiological Chemistry, University of Wisconsin, Madison, Wl 53706, USA
Received October 11, 1979.
A method has been developed for the electrophoretic transfer of DNA,RNA,protein and ribonucleoprotein particles from a variety of gels onto diarobenryloxymethyl (DBM) paper. Conditions for the electrophoretic transfer of these macromolecules have been optimized to allow for nearly quantitative transfer and covalent coupling. DNA and RNA electrophoretically transferred to DBM-paper retain their ability to hybridize with specific probes. The high efficiency of transfer and the high capacity of DBM-paper for nucleic acids makes possible the sensitive detection of specific nucleotide sequences. Similar efficiency is achieved in electrophoretic transfer and covalent coupling of proteins to DBM-paper. Macromolecules can also be electrophoretically transferred and bound to DBM-paper incapable of covalent bond formation. Their elution from the paper in high salt provides a new and useful preparative method for isolation of DNA,RNA and protein.
*Permanent address: Division of Biology and Medicine, Brown University, Providence, Rhode Island, 02912, USA.
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