Patents by Inventor Heidi Erika Johnson

Heidi Erika Johnson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Methods and compositions for discrimination between cytosine and modifications thereof and for methylome analysis
    Patent number: 9121061
    Abstract: Compositions and methods are provided for discrimination between cytosine and modifications thereof using cytidine deaminases and/or oxygenases. Variants of wild type cytidine deaminases are described which show reduced bias with respect to adjacent nucleotides upstream of the cytosine. The methods provide a rapid and convenient use of enzymes to obtain methylomes.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: September 1, 2015
    Assignee: New England Biolabs, Inc.
    Inventors: Romualdas Vaisvila, Heidi Erika Johnson, Saulius Vainauskas, Theodore B. Davis
  • Methods and Compositions for Discrimination Between Cytosine and Modifications Thereof and for Methylome Analysis
    Publication number: 20130244237
    Abstract: Compositions and methods are provided for discrimination between cytosine and modifications thereof using cytidine deaminases and/or oxygenases. Variants of wild type cytidine deaminases are described which show reduced bias with respect to adjacent nucleotides upstream of the cytosine. The methods provide a rapid and convenient use of enzymes to obtain methylomes.
    Type: Application
    Filed: March 14, 2013
    Publication date: September 19, 2013
    Applicant: NEW ENGLAND BIOLABS, INC.
    Inventors: Romualdas Vaisvila, Heidi Erika Johnson, Saulius Vainauskas