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Molecular Tools Enabling Pennycress (Thlaspi Arvense) As A Model Plant And Oilseed Cash Cover Crop, Michaela Mcginn, Winthrop B. Phippen, Ratan Chopra, Sunil Bansal, Brice A. Jarvis, Mary E. Phippen, Kevin M. Dorn, Maliheh Esfahanian, Tara J. Nazarenus, Edgar B. Cahoon, Timothy P. Durrett, M. David Marks, John C. Sedbrook
Molecular Tools Enabling Pennycress (Thlaspi Arvense) As A Model Plant And Oilseed Cash Cover Crop, Michaela Mcginn, Winthrop B. Phippen, Ratan Chopra, Sunil Bansal, Brice A. Jarvis, Mary E. Phippen, Kevin M. Dorn, Maliheh Esfahanian, Tara J. Nazarenus, Edgar B. Cahoon, Timothy P. Durrett, M. David Marks, John C. Sedbrook
Center for Plant Science Innovation: Faculty and Staff Publications
Thlapsi arvense L. (pennycress) is being developed as a profitable oilseed cover crop for the winter fallow period throughout the temperate regions of the world, controlling soil erosion and nutrients run-off on otherwise barren farmland. We demonstrate that pennycress can serve as a user-friendly model system akin to Arabidopsis that is well-suited for both laboratory and field experimentation. We sequenced the diploid genome of the spring-type Spring 32-10 inbred line (1C DNA content of 539 Mb; 2n = 14), identifying variation that may explain phenotypic differences with winter-type pennycress, as well as predominantly a one-to-one correspondence with Arabidopsis genes, …
Identification Of Bottlenecks In The Accumulation Of Cyclic Fatty Acids In Camelina Seed Oil, Xiao-Hong Yu, Rebecca E. Cahoon, Patrick J. Horn, Hai Shi, Richa R. Prakash, Yuanheng Cai, Maegan Hearney, Kent D. Chapman, Edgar B. Cahoon, Jorg Schwender, John Shanklin
Identification Of Bottlenecks In The Accumulation Of Cyclic Fatty Acids In Camelina Seed Oil, Xiao-Hong Yu, Rebecca E. Cahoon, Patrick J. Horn, Hai Shi, Richa R. Prakash, Yuanheng Cai, Maegan Hearney, Kent D. Chapman, Edgar B. Cahoon, Jorg Schwender, John Shanklin
Center for Plant Science Innovation: Faculty and Staff Publications
Modified fatty acids (mFA) have diverse uses; for example, cyclopropane fatty acids (CPA) are feedstocks for producing coatings, lubricants, plastics and cosmetics. The expression of mFA-producing enzymes in crop and model plants generally results in lower levels of mFA accumulation than in their natural-occurring source plants. Thus, to further our understanding of metabolic bottlenecks that limit mFA accumulation, we generated transgenic Camelina sativa lines co-expressing Escherichia coli cyclopropane synthase (EcCPS) and Sterculia foetida lysophosphatidic acid acyltransferase (SfLPAT). In contrast to transgenic CPA-accumulating Arabidopsis, CPA accumulation in camelina caused only minor changes in seed weight, germination rate, oil accumulation and seedling …