Methods and compositions for tobacco plants with reduced nicotine
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Abstract
The present application describes isolated nucleic acids that contain a Nic gene product responsive element, and the use thereof in methods of producing transgenic tobacco plants having reduced levels of nicotine and/or TSNA therein, as well as other plants or host cells that contain altered levels of a protein of interest therein due to inclusion of a cis-acting decoy element therein.
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Citations
97 Claims
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1-73. -73. (canceled)
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74. A method of making a blended reduced nicotine tobacco, comprising:
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a) providing a first tobacco;
b) providing a second tobacco produced from a genetically modified tobacco plant comprising a reduced level of QPTase, as compared to an unmodified tobacco plant of the same variety; and
c) blending said first tobacco with said second tobacco so as to obtain said reduced nicotine tobacco. - View Dependent Claims (75, 86)
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76. A method of making a blended reduced TSNA tobacco, comprising:
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a) providing a first tobacco;
b) providing a second tobacco produced from a genetically modified tobacco plant comprising a reduced level of QPTase, as compared to an unmodified tobacco plant of the same variety; and
c) blending said first tobacco with said second tobacco so as to obtain said reduced TSNA tobacco. - View Dependent Claims (77)
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78. A method of making a reduced nicotine tobacco product with a desired amount of nicotine, comprising:
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a) providing a first tobacco, wherein said first tobacco has a measured amount of nicotine;
b) providing a second tobacco produced from a genetically modified tobacco plant comprising a reduced level of QPTase, as compared to an unmodified tobacco plant of the same variety, wherein said second tobacco has a measured amount of nicotine; and
c) blending said first tobacco with said second tobacco so as to produce a reduced nicotine tobacco product with a desired amount of nicotine. - View Dependent Claims (79, 80, 81, 82, 83, 84, 85)
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87. A method of making a reduced TSNA tobacco product with a desired amount of TSNA comprising:
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a) providing a first tobacco, wherein said first tobacco has a measured amount of TSNA;
b) providing a second tobacco produced from a genetically modified tobacco plant comprising a reduced level of QPTase, as compared to an unmodified tobacco plant of the same variety, wherein said tobacco plant has a measured amount of TSNA; and
c) blending said first tobacco with said second tobacco so as to produce a reduced TSNA tobacco product with a desired amount of TSNA.
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88. A method of reducing the nicotine consumption of a tobacco user, comprising:
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a) providing said tobacco user a first tobacco product comprising tobacco produced from a modified tobacco plant comprising a reduced level of QPTase, as compared to an unmodified tobacco plant of the same variety; and
b) providing said tobacco user a second tobacco product comprising tobacco produced from a modified tobacco plant comprising a reduced level of QPTase, as compared to an unmodified tobacco plant of the same variety, wherein said second tobacco product comprises less nicotine than said first tobacco product; and
c) providing said tobacco user with additional tobacco products comprising tobacco produced from a modified tobacco plant comprising a reduced level of QPTase, as compared to an unmodified tobacco plant of the same variety, wherein said subsequent tobacco products comprise sequentially reduced amounts of nicotine, starting with a third product that comprises less nicotine than said first or second tobacco product.
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89. A method of reducing the TSNA consumption of a tobacco user, comprising:
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a) providing said tobacco user a first tobacco product comprising tobacco produced from a modified tobacco plant comprising a reduced level of QPTase, as compared to an unmodified tobacco plant of the same variety; and
b) providing said tobacco user a second tobacco product comprising tobacco produced from a modified tobacco plant comprising a reduced level of QPTase, as compared to an unmodified tobacco plant of the same variety, wherein said second tobacco product comprises less TSNA than said first tobacco product; and
c) providing said tobacco user with additional tobacco products comprising tobacco produced from a modified tobacco plant comprising a reduced level of QPTase, as compared to an unmodified tobacco plant of the same variety, wherein said subsequent tobacco products comprise sequentially reduced amounts of TSNA, starting with a third product that comprises less TSNA than said first or second tobacco product.
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- 90. Use of a genetically modified tobacco produced from a tobacco plant that comprises a reduced amount of QPTase to prepare a blended tobacco product that comprises a selected amount of nicotine.
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91. Use of a genetically modified tobacco produced from a tobacco plant that comprises a reduced amount of QPTase to prepare a blended tobacco product that comprises a selected amount of TSNA.
Specification