Patent · US Active

Cow rumen xylose isomerases active in yeast cells

US8669076B1 · kind B1 · utility

2Cited by

13References

5Claims

0Family size

Assignee

E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

Zhongqiang Chen · Sunnyvale, US
Kristen J. Kelly · Wilmington, US
Rick W. Ye · Hockessin, US

Key dates

Filing date	Mar 11, 2013
Grant date	Mar 11, 2014
Priority date	—
Expiry date	Mar 11, 2033

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E50/10
WIPO fieldBiotechnology
WIPO sectorChemistry

Abstract

Polypeptides were identified among translated coding sequences from a metagenomic cow rumen database, that were shown to provide xylose isomerase activity in yeast cells. The xylose isomerase activity can complete a xylose utilization pathway so that yeast can use xylose in fermentation, such as xylose in biomass hydrolysate.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.