Recombinant Yeast with Sucrose-Inducible Promoter for Target Protein Expression
Summary
USPTO published patent application US20260098241A1 assigned to FUJIFILM Corporation covering recombinant yeast strains containing sucrose-inducible promoters for highly expressing target proteins without methanol, along with production methods and kits.
What changed
USPTO published patent application US20260098241A1 for recombinant yeast strains and methods using sucrose-inducible promoters to express target proteins without methanol, assigned to FUJIFILM Corporation. The invention provides yeast containing exogenous sucrose-inducible promoters for tight regulation of protein expression.
Affected parties in biotechnology, pharmaceutical research, and recombinant protein production should consider potential licensing implications or freedom-to-operate concerns when developing methanol-free protein expression systems.
What to do next
- Monitor patent prosecution for freedom-to-operate considerations
Archived snapshot
Apr 11, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
RECOMBINANT YEAST, METHOD FOR PRODUCING TARGET PROTEIN, KIT, AND METHOD FOR PRODUCING RECOMBINANT YEAST
Application US20260098241A1 Kind: A1 Apr 09, 2026
Assignee
FUJIFILM Corporation
Inventors
Arjo Lysander DE BOER, Hidekazu SAKAI, Sayami FUJIWARA, Kazuto FUKUNAGA, Takahiro HIRATSUKA
Abstract
An object of the present invention is to provide a recombinant yeast that can highly express a target protein in a tightly regulated manner without using methanol, and to provide a method for producing a target protein using the recombinant yeast, a kit for producing the recombinant yeast, and a method for producing the recombinant yeast. According to the present invention, there is provided a recombinant yeast containing a first exogenous sucrose-inducible promoter for expressing a target protein.
CPC Classifications
C12N 1/16 C12N 9/2402 C12Y 302/0102
Filing Date
2025-12-05
Application No.
19410452
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