University of California

Other

Julian I Schroeder

Josef Martin Kuhn

Yingzhen Yang

Aurelien Boisson-Dernier

Honghong Hu

Maria Israelsson-Nordstrom

June Myoung Kwak

Stephan Clemens

Daniel P Schachtman

Eugene J Kim

Philip A Rea

Yu-Ping Lu

Danuta M Antosiewicz

Veronique Hugouvieux

Cawas Engineer

Stephane Mari

Olena K Vatamaniuk

Maria Israelsson Nordstrom

In alternative embodiments, the invention provides compositions and methods for manipulating the exchange of water and/or carbon dioxide (CO) through plant stomata by controlling the expression of a novel apoplastic subtilisin-like serine endopeptidase-like protein. In alternative embodiments, the invention provides plants having increased water use efficiency, and drought-resistant plants; and methods for engineering of water transpiration and water use efficiency in plants, and engineering plants with increased water use efficiency and drought-resistant plants.

Compositions and methods for mediating plant stomatal development in response to carbon dioxide and applications for engineering drought tolerance in plants

The invention provides compositions and methods for manipulating the exchange of water and/or carbon dioxide (CO) through plant stomata by controlling COsensor genes. The invention provides compositions and methods for enhancing or optimizing biomass accumulation in a plant. The invention provides compositions and methods for 10 opening or closing a stomatal pore on a guard cell in the epidermis of a plant. The invention provides compositions and methods for increasing or decreasing oxygenation efficiency and/or carbon fixation in a guard cell in the epidermis of a plant by manipulating expression of a ribulose-1,5-bisphosphate carboxylase/oxygenase. The invention provides promoters for regulating expression of a nucleic acid in a plant guard cell.

Plant COsensors, nucleic acids encoding them, and methods for making and using them

The invention provides compositions and methods for manipulating the exchange of water and/or carbon dioxide (CO) through plant stomata by controlling COsensor genes. The invention provides compositions and methods for enhancing or optimizing biomass accumulation in a plant. The invention provides compositions and methods for opening or closing a stomatal pore on a guard cell in the epidermis of a plant. The invention provides compositions and methods for increasing or decreasing oxygenation efficiency and/or carbon fixation in a guard cell in the epidermis of a plant by manipulating expression of a ribulose-1,5-bisphosphate carboxylase/oxygenase. The invention provides promoters for regulating expression of a nucleic acid in a plant guard cell.

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The invention provides compositions and methods for manipulating the exchange of water and/or carbon dioxide (CO) through plant stomata by controlling COsensor genes. The invention provides compositions and methods for enhancing or optimizing biomass accumulation in a plant. The invention provides compositions and methods for for opening or closing a stomatal pore on a guard cell in the epidermis of a plant. The invention provides compositions and methods for increasing or decreasing oxygenation efficiency and/or carbon fixation in a guard cell in the epidermis of a plant by manipulating expression of a ribulose-1,5-bisphosphate carboxylase/oxygenase. The invention provides promoters for regulating expression of a nucleic acid in a plant guard cell.

The present invention provides methods of modulating abscisic acid signal transduction in plants. The method comprise introducing into the plant a recombinant expression cassette comprising a promoter operably linked to an ABH1 polynucleotide.

Modulation of abscisic acid signal transduction in plants

A method to increase drought resistance in plants is provided. The method comprises inhibiting or disabling inward-rectifying K (K ) channels in the stomatal guard cells of the plant.

Method to improve drought tolerance in plants

The present invention relates to novel phytochelatin synthases and uses thereof.

Phytochelatin synthases and uses therefor

The invention provides LCT1 nucleic acids which encode metal ion uptake transporters. The invention also provides methods of modulating heavy metal and alkali metal uptake in plants. The methods involve producing transgenic plants comprising a recombinant expression cassette containing an LCT1 nucleic acid linked to a plant promoter.

Nucleic acids encoding metal uptake transporters and their uses

The present invention provides polynucleotide sequences encoding high affinity potassium uptake transporters. The polynucleotides of the invention can be used to modulate alkali metal uptake in plants and other organisms.

Growing community of inventors

La Jolla, CA, United States of America

Julian I Schroeder