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TRANSGENIC PLANTS WITH ENHANCED GROWTH CHARACTERISTICS

United States Patent Application

20170051301
A1
View the Complete Application at the US Patent & Trademark Office
Los Alamos National Laboratory - Visit the Technology Transfer Division Website
The invention relates to transgenic plants exhibiting dramatically enhanced growth rates, greater seed and fruit/pod yields, earlier and more productive flowering, more efficient nitrogen utilization, increased tolerance to high salt conditions, and increased biomass yields. In one embodiment, transgenic plants engineered to over-express both glutamine phenylpyruvate transaminase (GPT) and glutamine synthetase (GS) are provided. The GPT+GS double-transgenic plants of the invention consistently exhibit enhanced growth characteristics, with T0 generation lines showing an increase in biomass over wild type counterparts of between 50% and 300%. Generations that result from sexual crosses and/or selfing typically perform even better, with some of the double-transgenic plants achieving an astounding four-fold biomass increase over wild type plants.
Unkefer, Pat J. (Los Alamos, NM), Anderson, Penelope S. (Los Alamos, NM), Knight, Thomas J. (Raymond, ME)
15/ 256,721
September 5, 2016
STATEMENT AS TO RIGHTS TO INVENTIONS MADE UNDER FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0001] This invention was made with government support under Contract No. W-7405-ENG-36 awarded by the United States Department of Energy to The Regents of The University of California, and Contract No. DE-AC52-06NA25386, awarded by the United States Department of Energy to Los Alamos National Security, LLC. The government has certain rights in this invention.