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Methods for detection of methyl-CpG dinucleotides

United States Patent

November 26, 2013
View the Complete Patent at the US Patent & Trademark Office
Brookhaven National Laboratory - Visit the Office of Technology Commercialization and Partnerships Website
The invention provides methods for enriching methyl-CpG sequences from a DNA sample. The method makes use of conversion of cytosine residues to uracil under conditions in which methyl-cytosine residues are preserved. Additional methods of the invention enable to preservation of the context of me-CpG dinucleotides. The invention also provides a recombinant, full length and substantially pure McrA protein (rMcrA) for binding and isolation of DNA fragments containing the sequence 5'-C.sup.MeCpGG-3'. Methods for making and using the rMcrA protein, and derivatives thereof are provided.
Dunn; John J. (Bellport, NY)
Brookhaven Science Associates, LLC (Upton, NY)
13/ 565,954
August 3, 2012
GOVERNMENT SUPPORT This invention was made with Government support under contract number DE-AC02-98CH10886, awarded by the U.S. Department of Energy and sponsored in part by NIH grant 5U01AI056480-05. The Government has certain rights in the invention.