Abstract: The invention provides a compositions and methods for controlling phenotypic traits in plants. Genes of interest are placed under the control of a gene switch to allow inducible control or expression of a gene of interest “on-demand” by treatment of the plant with a chemical ligand.

Abstract: The invention provides a compositions and methods for controlling phenotypic traits in plants. Genes of interest are placed under the control of a gene switch to allow inducible control or expression of a gene of interest “on-demand” by treatment of the plant with a chemical ligand.

Abstract: The invention provides a compositions and methods for controlling phenotypic traits in plants. Genes of interest are placed under the control of a gene switch to allow inducible control or expression of a gene of interest “on-demand” by treatment of the plant with a chemical ligand.

Abstract: Disclosed is substantially pure DNA encoding an Arabidopsis thaliana Rps2 polypeptide, substantially pure Rps2 polyneptide; and methods of using such DNA to express the Rps2 polypeptide in plant cells and whole plants to provide, in transgenic plants, disease resistance to pathogens. Also disclosed are conserved regions characteristic of the RPS family and primers and probes for the identification and isolation of additional RPS disease-resistance genes.

Abstract: A method for identification of gene specific hybridization polymorphisms (GSHPs) and their use is presented. The method involves the steps of a) global screening for hybridization polymorphisms using microarray; b) enzyme mediated genome complexity reduction; c) enzyme mediated differential signal amplification and noise reduction; d) data extraction and GSHP identification; and e) use of GSHPs in high throughput screening. The method is useful in a particular application for the fingerprinting of maize exotic germplasm and the identification of new and commercially useful loci therein.

Abstract: The present invention pertains to an isolated promoter sequence from Arabidopisis thaliana BOSI gene encoding a protein for biotic and abiotic stress tolerance. Also, the invention relates to recombinant vectors, expression cassettes, host cells, plants or progeny thereof comprising nucleic acid molecules operably linked to said promoter.

Abstract: A method for identification of gene specific hybridization polymorphisms (GSHPs) and their use is presented. The method involves the steps of a) global screening for hybridization polymorphisms using microarray; b) enzyme mediated genome complexity reduction; c) enzyme mediated differential signal amplification and noise reduction; d) data extraction and GSHP identification; and e) use of GSHPs in high throughput screening.

Abstract: The invention relates to a method of identifying a plant disease-resistance gene that includes the steps of (a) providing a plant tissue sample; (b)introducing by biolistic transformation into the plant tissue sample a candidate plant disease-resistance gene; (c) expressing the candidate plant disease-resistance gene within the plant tissue sample; and (d) determining whether the plant tissue sample exhibits a disease-resistance response, whereby a response identifies a plant disease-resistance gene.

Abstract: The present invention pertains to transgenic plants comprising nucleic acid molecules comprising nucleotide sequences that encode RAR1 proteins involved in disease resistance, and the RAR1 polypeptides. The invention particularly relates to methods of altering the expressing nucleic acid molecules encoding RAR1 proteins in transgenic plants to alter the level disease resistance, and to transgenic plants, progeny and seed therefrom, having altered enhanced disease resistance. The invention further relates to methods of enhancing expression of R resistance genes, disease resistance signal transduction genes, genes involved in mediating disease resistance or involved in the synthesis of molecules mediating disease resistance. The invention also relates to methods of regulating the expression of other coding sequences of interest by increasing the expression of the nucleic acid molecules of the invention.

Abstract: The present invention discloses isolated polynucleotides encoding polypeptides having trichothecene 3-O-acetyltransferase activity, recombinant vectors and host cell comprising said polynucleotides.

Abstract: The present invention pertains to isolated nucleic acid molecules comprising nucleotide sequences isolated from Oryza sativa that encode RARI proteins involved in disease resistance, and recombinant vectors comprising said nucleotide sequences.

Abstract: The present invention pertains to transgenic plants comprising nucleic acid molecules comprising nucleotide sequences that encode RAR1 proteins involved in disease resistance, and the RAR1 polypeptides. The invention particularly relates to methods of altering the expressing nucleic acid molecules encoding RAR1 proteins in transgenic plants to alter the level disease resistance, and to transgenic plants, progeny and seed therefrom, having altered enhanced disease resistance. The invention further relates to methods of enhancing expression of R resistance genes, disease resistance signal transduction genes, genes involved in mediating disease resistance or involved in the synthesis of molecules mediating disease resistance. The invention also relates to methods of regulating the expression of other coding sequences of interest by increasing the expression of the nucleic acid molecules of the invention.

Abstract: Homologues of the Arabidopsis NIM1 gene, which is involved in the signal transduction cascade leading to systemic acquired resistance (SAR), are isolated from monocotyledonous crops such as Triticum aestivum (wheat) and Oryza sativa (rice).

Abstract: The present invention pertains to nucleic acid molecules isolated from Arabidopisis thaliana comprising nucleotide sequences that encode proteins for biotic and abiotic stress tolerance. The invention particularly relates to methods of using nucleic acid molecules and/or proteins from Arabidopisis in transgenic plants to confer enhanced biotic and/or abiotic stress tolerance, and to use such nucleic acids to assist germplasm enhancement by breeding. In particular, the invention pertains to nucleic acid molecules isolated from Arabidopisis thaliana of the BOS1 cDNA and genomic gene and encoding the BOS1 polypeptide. The present invention also pertains to nucleic acid molecules isolated from Arabidopisis thaliana that encode a promoter from the BOS1 gene, and methods of using the promoter. Also, the invention relates to host cells, plants or progeny thereof comprising the nucleic acid molecules or recombinant molecules described herein.

Abstract: The present invention pertains to transgenic plants comprising nucleic acid molecules comprising nucleotide sequences that encode RAR1 proteins involved in disease resistance, and the RAR1 polypeptides. The invention particularly relates to methods of altering the expressing nucleic acid molecules encoding RAR1 proteins in transgenic plants to alter the level disease resistance, and to transgenic plants, progeny and seed therefrom, having altered enhanced disease resistance. The invention further relates to methods of enhancing expression of R resistance genes, disease resistance signal transduction genes, genes involved in mediating disease resistance or involved in the synthesis of molecules mediating disease resistance. The invention also relates to methods of regulating the expression of other coding sequences of interest by increasing the expression of the nucleic acid molecules of the invention.

Abstract: The present invention encompasses nucleic acid molecules isolated from Oryza sativa that encode proteins for conferring abiotic stress tolerance, enhanced yield, disease resistance, or altered nutritional composition in plants. The invention further relates to expression of these molecules in microorganisms and transgenic plants for altering these characteristics of the organism.

Abstract: Disclosed is substantially pure DNA encoding an Arabidopsis thaliana Rps2 polypeptide; substantially pure Rps2 polypeptide; and methods of using such DNA to express the Rps2 polypeptide in plant cells and whole plants to provide, in transgenic plants, disease resistance to pathogens. Also disclosed are conserved regions characteristic of the RPS family and primers and probes for the identification and isolation of additional RPS disease-resistance genes.

Abstract: The invention relates to a method of identifying a plant disease-resistance gene that includes the steps of (a) providing a plant tissue sample, (b)introducing by biolistic transformation into the plant tissue sample a candidate plant disease-resistance gene; (c) expressing the candidate plant disease-resistance gene within the plant tissue sample; and (d) determining whether the plant tissue sample exhibits a disease-resistance response, whereby a response identifies a plant disease-resistance gene.

Abstract: The present invention discloses an isolated polynucleotide encoding a gene product having tricothecene resistance activity that thereby confers trichothecene resistance to transgenic plants, plant tissues, plant seeds, and plant cells. Trichothecene resistance activity, as used herein, refers to an activity that reduces or inhibits the phytotoxicity of a trichothecene, particularly to a fungus and/or plant. In a particular embodiment, trichothecene resistance activity refers to an activity that transfers an acetate to the C-3 position of a trichothecene such as T-2 toxin, HT-2 toxin, isotrichodermol, diacetoxyscirpenol (“DAS”), 3-deacetylcalonectrin, 3,15-dideacetylcalonectrin, scirpentriol, neosolaniol; 15-acetyldeoxynivalenol, nivalenol, 4-acetylnivalenol (fusarenone-X), 4,15-diacetylnivalenol, 4,7,15-acetylnivalenol, and deoxynivalenol (“DON”) and their various acetylated derivatives.

Abstract: The present invention discloses trichothecene-resistant transgenic plants, plant tissues, plant seeds, and plant cells comprising a heterologous polynucleotide encoding a gene product having tricothecene resistance activity that thereby confers trichothecene resistance to the transgenic plants, plant tissues, plant seeds, and plant cells. Trichothecene resistance activity, as used herein, refers to an activity that reduces or inhibits the phytotoxicity of a trichothecene, particularly to a fungus and/or plant.