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:
Feb. 25, 2025
Filed:
Nov. 04, 2019
Kikkoman Corporation, Noda, JP;
Seiichi Hara, Noda, JP;
KIKKOMAN CORPORATION, Noda, JP;
Abstract
The objective of the present invention is to provide a transformedmicroorganism lacking at least two types of selection marker genes available for marker recycling method and a composition therefor. The objective can be achieved by a transformedmicroorganism lacking at least two types of selection marker genes available for marker recycling method on its chromosomes, or a composition for transforming anmicroorganism containing at least two types of nucleic acid fragments containing a loop-out region and a selection marker gene available for marker recycling method between homologous recombination regions, wherein the selection marker genes contain a tryptophan biosynthesis gene and a gene different from tryptophan biosynthesis gene.