Patent · US Active

Tobacco plants having reduced nicotine demethylase activity

US10597668B2 · kind B2 · utility

2Cited by

60References

19Claims

0Family size

Assignee

U.S. Smokeless Tobacco Company LLC · US

Inventors

Dongmei Xu · Glen Allen, US
Mark T. Nielsen · Lexington, US
Yanxin Shen · Glen Allen, US

Key dates

Filing date	Nov 27, 2012
Grant date	Mar 24, 2020
Priority date	—
Expiry date	Sep 4, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC12N15/8218
WIPO fieldBiotechnology
WIPO sectorChemistry

Abstract

The present invention generally relates to methods and materials involved in producing tobacco plants having reduced levels of conversion of nicotine to nornicotine. In certain embodiments, the invention is directed to mutations in a nicotine demethylase gene, tobacco plants comprising mutations in a nicotine demethylase gene, and tobacco compositions and products thereof. In other embodiments, the invention is directed toward nicotine demethylase RNA interference, tobacco plants comprising a nicotine demethylase RNA interference transgene, and tobacco compositions and products thereof.

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