Development of Flax (Linum usitatissimum L.) Mutant Populations for Forward and Reverse Genetics. Grec, S., Dalmais, M., Chatterjee, M., Bendahmane, A., & Hawkins, S. Plant Genetics and Genomics: Crops and Models, pages 145-165. 2019. ![Plant Genetics and Genomics: Crops and Models [pdf]](https://bibbase.org/img/filetypes/pdf.svg "pdf")
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Website doi abstract bibtex The assembled genome sequence has been augmented by other molecular resources including the characterization of both coding and small RNA molecules. The transcriptomic analysis of the flax seed development will further the improvement of oil production and health-modulating phytochemicals of flax, which, along with the bast fiber, are arguably the most economically important traits in flax. The assembled genome sequence has also facilitated the theoretical identification of small RNA molecules as well as their physical identification. Although there is more variation in the wild flax progenitor germplasm than in the cultivated varieties, chemical mutagenesis-derived mutant populations have been successfully used to identify important genes involved in cell wall formation among others. Flax is also amenable to transformation, and the development of the floral dip procedure for this species may facilitate other approaches to mutant production and increasing available variation. However, the issues with the transgenic flax, Triffid, and its unregulated escape into the commercial seed provide a cautionary tale for the development of genetically modified flax. Some flax varieties have a particular characteristic, which is not known in other plant species, namely, the rapid modulation of its genome under certain growth conditions. The variation, with the generation of altered stable lines termed genotrophs, has been shown to occur within a specific defined subset of the genome. Understanding the mechanisms and characteristics of this genome compartment that appears to have the function of modifying the phenotype without the deleterious effects associated with a random mutagenesis makes it an interesting evolutionary mechanism. The plethora of molecular tools available allows this phenomenon to be understood at the molecular level, and potentially capable of manipulation. The molecular resources available, the commercially important, and the health-related characteristics make flax an accessible interesting model system for understanding complex pathways while also providing the basis for improving the commercial attractiveness of the crop. The development of the molecular resources for flax is directly attributable to the investment in the TUFGEN program and to the collaborations that were fostered, and continue to thrive, through the program.
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abstract = {The assembled genome sequence has been augmented by other molecular resources including the characterization of both coding and small RNA molecules. The transcriptomic analysis of the flax seed development will further the improvement of oil production and health-modulating phytochemicals of flax, which, along with the bast fiber, are arguably the most economically important traits in flax. The assembled genome sequence has also facilitated the theoretical identification of small RNA molecules as well as their physical identification. Although there is more variation in the wild flax progenitor germplasm than in the cultivated varieties, chemical mutagenesis-derived mutant populations have been successfully used to identify important genes involved in cell wall formation among others. Flax is also amenable to transformation, and the development of the floral dip procedure for this species may facilitate other approaches to mutant production and increasing available variation. However, the issues with the transgenic flax, Triffid, and its unregulated escape into the commercial seed provide a cautionary tale for the development of genetically modified flax. Some flax varieties have a particular characteristic, which is not known in other plant species, namely, the rapid modulation of its genome under certain growth conditions. The variation, with the generation of altered stable lines termed genotrophs, has been shown to occur within a specific defined subset of the genome. Understanding the mechanisms and characteristics of this genome compartment that appears to have the function of modifying the phenotype without the deleterious effects associated with a random mutagenesis makes it an interesting evolutionary mechanism. The plethora of molecular tools available allows this phenomenon to be understood at the molecular level, and potentially capable of manipulation. The molecular resources available, the commercially important, and the health-related characteristics make flax an accessible interesting model system for understanding complex pathways while also providing the basis for improving the commercial attractiveness of the crop. The development of the molecular resources for flax is directly attributable to the investment in the TUFGEN program and to the collaborations that were fostered, and continue to thrive, through the program.},
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author = {Grec, Sébastien and Dalmais, Marion and Chatterjee, Manash and Bendahmane, Abdelhafid and Hawkins, Simon},
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chapter = {Development of Flax (Linum usitatissimum L.) Mutant Populations for Forward and Reverse Genetics},
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