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:
Jun. 29, 2010
Filed:
Oct. 31, 2002
Sun-chang Kim, Daejeon, KR;
Byung-jo Yu, Daejeon, KR;
Sun-Chang Kim, Daejeon, KR;
Byung-Jo Yu, Daejeon, KR;
Korea Advanced Institute of Science and Technology, Daejeon, KR;
Abstract
Disclosed is a method for developing novel strains deleted specific chromosome sites, using transposon and Cre/loxP site-specific recombination by Cre expression vector, wherein the transposon comprises a selectable marker and loxP site. The method comprises the steps of: (1) preparing a transposon comprising a selectable marker and loxP site; (2) inserting the transposon into an optional position of microbial chromosome, and determining the inserted site; (3) integrating two transposons comprising a different selectable marker to one chromosome; (4) deleting a chromosomal site between the two lox sites by introducing a Cre expression vector into the chromosome of step (3); and (5) repeating steps (3 and 4) for the mutant deleted a part of chromosome, to shorten the chromosome of mutant gradually.