Abstract: The present disclosure provides approaches for reducing tobacco-specific nitrosamines (TSNAs) in tobacco. Some of these approaches include genetically engineering tobacco plants to increase one or more antioxidants, increase oxygen radicle absorbance capacity (ORAC), or reduce nitrite. Also provided are methods and compositions for producing modified tobacco plants and tobacco products therefrom comprising reduced TSNAs.

Abstract: The present disclosure provides compositions and methods related to tobacco plants with altered total alkaloid and nicotine levels and commercially acceptable leaf grade, their development via breeding or transgenic approaches, and production of tobacco products from these tobacco plants.

Abstract: The present disclosure provides metabolic signatures and genetic markers for tracking enhanced nitrogen utilization efficiency phenotypes in tobacco plants and for introgressing enhanced nitrogen utilization efficiency phenotypes into tobacco plants. The disclosure also provides tobacco plants comprising enhanced nitrogen utilization efficiency and methods to the creation of tobacco plants comprising enhanced nitrogen utilization efficiency. The disclosure also provides recombinant polynucleotides and polypeptides for enhancing nitrogen utilization efficiency in modified tobacco plants and tobacco plants comprising the provided recombinant polynucleotides and polypeptides.

Abstract: The present disclosure provides the identification of genes involved in sucker growth in tobacco. Also provided are promoters that are preferentially active in tobacco axillary buds. Also provided are modified tobacco plants comprising reduced or no sucker growth. Also provided are methods and compositions for producing modified tobacco plants comprising reduced or no sucker growth.

Abstract: A process for producing a reduced tobacco-specific nitrosamine (TSNA) tobacco plant comprising reducing and/or eliminating anatabine biosynthesis in wild-type tobacco plant. In addition, use of such plants for discovery of molecular markers that are closely linked with genes required for anatabine biosynthesis and for discovery of genes required for anatabine biosynthesis. In addition, a smoking composition, a smoking article and a smokeless tobacco oral delivery product contain the tobacco material.

Abstract: The present disclosure provides approaches for reducing tobacco-specific nitrosamines (TSNAs) in tobacco. Some of these approaches include genetically engineering tobacco plants to increase one or more antioxidants, increase oxygen radicle absorbance capacity (ORAC), increase phenylalanine, or reduce nitrite. Also provided are methods and compositions for producing modified tobacco plants and tobacco products therefrom comprising reduced TSNAs.

Abstract: The present disclosure provides compositions and methods related to tobacco plants with altered total alkaloid and nicotine levels and commercially acceptable leaf grade, their development via breeding or transgenic approaches, and production of tobacco products from these tobacco plants.

Abstract: This disclosure provides tobacco plants having a mutation in PR50 and transgenic tobacco plants containing a PR50 RNAi, and methods of making and using such plants.

Abstract: A process for producing a reduced tobacco-specific nitrosamine (TSNA) tobacco plant comprising reducing and/or eliminating anatabine biosynthesis in wild-type tobacco plant. In addition, use of such plants for discovery of molecular markers that are closely linked with genes required for anatabine biosynthesis and for discovery of genes required for anatabine biosynthesis. In addition, a smoking composition, a smoking article and a smokeless tobacco oral delivery product contain the tobacco material.

Abstract: The present disclosure provides methods and compositions for controlling sucker growth in tobacco by altering the expression of different target genes.

Abstract: The present disclosure provides the identification of promoters that are preferentially active in tobacco axillary buds. Also provided are tobacco plants comprising reduced or no sucker growth. Also provided are methods and compositions for producing tobacco plants comprising reduced or no sucker growth.

Abstract: The present disclosure relates to compositions and methods related to tissue-specific promoters and their uses in plants, including tobacco and cannabis. The provided trichome-specific promoters enable the expression of heterologous polynucleotides in trichome tissues.

Abstract: Composition and methods for the modification of the secondary metabolic functions of glandular trichomes in plants, such as tobacco or Cannabis, that control the formation of terpenes that impart specific flavor and aroma characteristics to the plant leaves are provided. Enhanced terpene production and composition are achieved through targeted modification in the biochemical synthesis pathways for menthol and cis-abienol. This application provides novel nucleotide sequences encoding the enzymology for production of these terpenes in tobacco and Cannabis application to their use plants.

Abstract: The present disclosure relates to compositions and methods related to modification of trichome density and transport of metabolite and their uses in plants, including tobacco and cannabis. The provided transcription factors enable the increase in trichome density in plants.

Abstract: The present disclosure provides compositions and methods related to tobacco plants with altered total alkaloid and nicotine levels and commercially acceptable leaf grade, their development via breeding or transgenic approaches, and production of tobacco products from these tobacco plants.

Abstract: The present disclosure provides approaches for reducing tobacco-specific nitrosamines (TSNAs) in tobacco. Some of these approaches include genetically engineering tobacco plants to increase one or more antioxidants, increase oxygen radicle absorbance capacity (ORAC), increase phenylalanine, or reduce nitrite. Also provided are methods and compositions for producing modified tobacco plants and tobacco products therefrom comprising reduced TSNAs. Also provided are methods and compositions for increasing the expression of chorismate mutase and other transcription factors involved in anthocyanin biosynthesis.

Abstract: The present disclosure includes methods and compositions for improving leaf quality in low-alkaloid tobacco plants, e.g., by combining inducible promoters and non-coding RNAs for suppression of an ornithine decarboxylase (ODC) gene. Also provided are low alkaloid tobacco plants with normal, suppressed, or otherwise altered polyamine levels. Further provided are tobacco plants with altered total alkaloid, nicotine levels, commercially acceptable leaf grade, their development via breeding or transgenic approaches, and production of tobacco products from these tobacco plants.

Abstract: This disclosure provides tobacco plants containing a PMT RNAi and tobacco plants having a mutation in PMT, and methods of making and using such plants.

Abstract: This disclosure provides a number of sequences involved in nitrogen utilization, methods of using such sequences, tobacco plants carrying modifications to such sequences, tobacco plants transgenic for such sequences, and tobacco products made from such plants.

Abstract: This disclosure provides tobacco plants containing a PMT RNAi and tobacco plants having a mutation in PMT, and methods of making and using such plants.