The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 16, 2024
Filed:
Aug. 07, 2018
Glaxosmithkline Biologicals SA, Rixensart, BE;
Amirreza Faridmoayer, Schlieren, CH;
Michael Thomas Kowarik, Schlieren, CH;
Gerd Martin Lipowsky, Schlieren, CH;
Fabio Serventi, Schlieren, CH;
GLAXOSMITHKLINE BIOLOGICALS SA, Rixensart, BE;
Abstract
The present invention discloses a process for engineering a host cell comprising the steps of; a) integrating a first polynucleotide cassette including a first selection marker flanked by a first pair of recombination sites; b) removing the first selection marker by the action of a recombinase which recognises the first pair of recombination sites; c) integrating a second polynucleotide cassette including a second selection marker flanked by a second pair of recombination sites; and d) removing the second selection marker by the action of a recombinase which recognises the second pair of recombination sites. Also disclosed is a host cell genome polynucleotide comprising a first recombinantly engineered region and a second recombinantly engineered region, wherein a first single recombination site is adjacent to the first recombinantly engineered region, and a second single recombination site is adjacent to the second recombinantly engineered region.