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1. WO2021041474 - METHODS OF IMPROVING DROUGHT AND SALT RESISTANCE IN A PLANT AND GENETICALLY ENGINEERED PLANTS WITH SAID IMPROVEMENTS

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[ EN ]

WHAT IS CLAIMED IS:

1. A genetically modified plant, plant cell or plant tissue, wherein an exogenous nucleic acid comprising a DiGeorge-Syndrome Critical Region 14 ( DGCR14 ) gene, or a homolog thereof, is expressed in the plant, plant cell or plant tissue.

2. The genetically modified plant, plant cell or plant tissue of claim 1, wherein the exogenous nucleic acid comprises a sequence with at least 90% sequence identity to a nucleotide sequence selected from the group consisting of SEQ ID NO: 1, SEQ ID NO: 3, SEQ ID NO: 5, SEQ ID NO: 7, SEQ ID NO: 9, SEQ ID NO: 11, SEQ ID NO: 13, SEQ ID NO: 15, and SEQ ID NO: 17.

3. The genetically modified plant, plant cell or plant tissue of claim 1, wherein the exogenous nucleic acid encodes a protein with at least 90% sequence identity to an amino acid sequence selected from the group consisting of SEQ ID NO: 2, SEQ ID NO: 4, SEQ ID NO: 6, SEQ ID NO: 8, SEQ ID NO: 10, SEQ ID NO: 12, SEQ ID NO: 14, SEQ ID NO: 16, and SEQ ID NO: 18.

4. The genetically modified plant, plant cell or plant tissue of claim 1, wherein the exogenous nucleic acid is stably integrated into the plant genome.

5. The genetically modified plant, plant cell or plant tissue of claim 1, wherein the plant is a monocot or a dicot.

6. The genetically modified plant, plant cell or plant tissue of claim 1, wherein the plant is selected from the group consisting of genera Acer, Afzelia, Allium, Arabidopsis, Agrostis, Avena, Betula, Brassica, Capsicum, Citrullus, Cucumis, Eucalyptus, Fagus, Festuca, Fraxinus, Fragaria, Glycine, Gossypium, Hordeum, Ipomoea, Jatropha, Juglans, Lemna, Lolium, Malus, Manihot, Medicago, Micropus, Milium, Miscanthus, Nicotiana, Oryza, Pennisetum, Phalaris, Phleum, Picea, Pinus, Poa, Populus, Prunus, Quercus,

Rosa, Salix, Solanum, Sorghum, Spinacia, Tectona, Trifolium, Triticum, Panicum, Saccharum, Setaria, Zea, and Zoysia.

7. A method of improving drought and salt resistance in a plant, plant cell or plant tissue comprising: expressing an exogenous nucleic acid encoding a DiGeorge-Syndrome Critical Region 14 (DGCR14) gene, or a homolog thereof, in the plant, plant cell or plant tissue;

8. The method of claim 7, wherein the exogenous nucleic acid comprises a sequence with at least 90% sequence homology to a nucleotide sequence selected from the group consisting of SEQ ID NO: 1, SEQ ID NO: 3, SEQ ID NO: 5, SEQ ID NO: 7, SEQ ID NO:

9, SEQ ID NO: 11, SEQ ID NO: 13, SEQ ID NO: 15, and SEQ ID NO: 17.

9. The method of claim 7, wherein the exogenous nucleic acid encodes a protein with at least 90% sequence homology to an amino acid sequence selected from the group consisting of SEQ ID NO: 2, SEQ ID NO: 4, SEQ ID NO: 6, SEQ ID NO: 8, SEQ ID NO:

10, SEQ ID NO: 12, SEQ ID NO: 14, SEQ ID NO: 16, and SEQ ID NO: 18.

10. The method of claim 7, wherein the exogenous nucleic acid is stably integrated into the plant genome.

11. The method of claim 7, wherein the plant is a monocot or a dicot.

12. The method of claim 1, wherein the plant is selected from the group consisting of genera Acer, Afzelia, Allium, Arabidopsis, Agrostis, Avena, Betula, Brassica, Capsicum, Citrullus, Cucumis, Eucalyptus, Fagus, Festuca, Fraxinus, Fragaria, Glycine, Gossypium, Hordeum, Ipomoea, Jatropha, Juglans, Lemna, Lolium, Malus, Manihot, Medicago, Micropus, Milium, Miscanthus, Nicotiana, Oryza, Pennisetum, Phalaris, Phleum, Picea, Pinus, Poa, Populus, Prunus, Quercus, Rosa, Salix, Solanum, Sorghum, Spinacia,

Tectona, Trifolium, Triticum, Panicum, Saccharum, Setaria, Zea, and Zoysia.