IP Library › Granted Patent US 12,365,905
Granted Patent B2
US 12,365,905 · App. 16/725,810 · Granted Jul 22, 2025

Host cells and methods for reducing isoprenoid precursors and isoprenoids by geranylgeranyl reductase

Inventors: Corey Meadows (Berkeley, CA); Brett Garabedian (Basel, CH); Florence Mingardon (Oakland, CA); Angelique Chanal (Puteaux, FR); Taek Soon Lee (Berkeley, CA)
Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
C12N15/52C12P5/007C12Y103/01083
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Quick Facts
Patent No.
US 12,365,905
App. No.
16/725,810
Granted
Jul 22, 2025
Kind
B2
Abstract

The present invention provides for a genetically modified host cell capable of reducing one or more isoprenoid, or precursor thereof, said genetically modified host cell comprising one or more geranylgeranyl reductases (GGRs), or polypeptides comprising an amino acid sequence having at least 70% identity to an amino acid sequence of a geranylgeranyl reductase (GGR), wherein the polypeptide comprises the enzymatic activity for catalyzing one or more GGR catalyzed reactions, and/or reducing one or more C 15 or C 20 prenyl alcohols or prenyl pyrophosphates.

Claims (8)

1. A method for reducing geranyl pyrophosphate (GPP) or geraniol comprising: (a) providing a genetically modified host cell comprising a nucleic acid encoding a polypeptide operatively linked to a promoter, wherein the polypeptide has geranylgeranyl reductase (GGR) enzymatic activity and comprises at least 95% identity to one of SEQ ID NOs: 1-8, and SEQ ID NO:9 or SEQ ID NO:12, and a glycine at position 12, a glycine at position 14, a glycine at position 17, an alanine at position 21, a glycine at position 28, a cysteine at position 47, an alanine at position 109, a glycine at position 113, an alanine at position 156, a glycine at position 158, a glycine at position 287, an aspartate at position 288, a proline at position 295, a glycine at position 300, an alanine at position 304, and an alanine at position 311, wherein (i) the polypeptide is heterologous to the host cell or (ii) the nucleic acid encoding the polypeptide is not operatively linked to the promoter in nature, or a culture comprising the genetically modified host cell, (b) culturing the genetically modified host cell to produce GPP or geraniol, and expressing the polypeptide, (c) reducing the GPP or geraniol, and (d) recovering the reduced GPP or geraniol from the genetically modified host cell; wherein the genetically modified host cell is a yeast or bacterium.

2. The method of claim 1 , wherein the polypeptide comprises an amino acid sequence having at least 99% identity to one of SEQ ID NOs: 1-8.

3. The method of claim 2 , wherein the polypeptide comprises SEQ ID NO:1, SEQ ID NO:2, SEQ ID NO:3, SEQ ID NO:4, SEQ ID NO: 5, SEQ ID NO:6, SEQ ID NO:7, or SEQ ID NO:8.

4. The method of claim 1 , wherein the polypeptide comprises an amino acid sequence having at least 99% identity to SEQ ID NO:1.

5. The method of claim 1 , wherein the genetically modified host cell is a yeast.

6. The method of claim 1 , wherein the genetically modified host cell is an Escherichia, Enterobacter, Azotobacter, Erwinia, Bacillus, Pseudomonas, Klebsiella, Proteus, Salmonella, Serratia, Shigella, Rhizobia, Vitreoscilla , and Paracoccus bacterium.

7. The method of claim 1 , wherein the (b) culturing step comprises the genetically modified host cell producing GPP.

8. The method of claim 1 , wherein the (b) culturing step comprises the genetically modified host cell producing geraniol.

Assignments (2)
CONFIRMATORY LICENSE Recorded Feb 21, 2020
From: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
To: UNITED STATES DEPARTMENT OF ENERGY
Reel/Frame 051884/0718 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 13, 2020
From: MEADOWS, COREY; GARABEDIAN, BRETT; MINGARDON, FLORENCE; CHANAL, ANGELIQUE; LEE, TAEK SOON
To: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
Reel/Frame 051500/0816 →
Continuity (2)
Provisional Application 62784088 · Dec 21, 2018
Related Publication 20200255841A1 · Aug 13, 2020
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