Lysine decarboxylase in plants and its integration in quinolizidine alkaloid biosynthesis |
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| Affiliation: | 1. Department of Biology, University of New Brunswick, Saint John, New Brunswick, Canada E2L 4L5;2. Department of Medicine, Division of Infectious Diseases, Saint John Regional Hospital, Saint John, New Brunswick, Canada E2L 4L2;3. Department of Chemistry, University of New Brunswick, Saint John, New Brunswick, Canada E2L 4L5;1. Key Laboratory of Imaging Diagnosis and Minimally Invasive Intervention Research, The Fifth Affiliated Hospital of Wenzhou Medical University, Affiliated Lishui Hospital of Zhejiang University, The Central Hospital of Zhejiang Lishui, Lishui, 323000, China;2. Department of Radiology, The Fifth Affiliated Hospital of Wenzhou Medical University, Affiliated Lishui Hospital of Zhejiang University, The Central Hospital of Zhejiang Lishui, Lishui, 323000, China;1. Department of Biosciences, Plant Ecology, University of Salzburg, Hellbrunnerstr. 34, 5020 Salzburg, Austria;2. IONICON Analytik Gesellschaft m.b.H., Eduard-Bodem-Gasse 3, 6020 Innsbruck, Austria;3. CNRS – University of Corsica, Laboratory Sciences for the Environment (SPE - UMR 6134), Natural Resources Project, Vignola – Route des Sanguinaires, 20000 Ajaccio, France;1. Tropical Forestry Research Center, Institute of Tropical Agriculture and Forestry, Hainan University, Haikou 570223, China;2. College of Agriculture, Guizhou University, Guiyang, 550025, China |
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| Abstract: | In leaves of alkaloid producing Lupinus polyphyllus lysine decarboxylase activity is positively correlated with the chlorophyll content during leaf regreening. A similar positive correlation was found between the leaf alkaloid content and lysine decarboxylase activity in L. albus and L. luteus. These results indicate that in lupin leaves lysine decarboxylase is an integrated part of the alkaloid specific biosynthetic sequence. Lysine decarboxylase could also be demonstrated in 46 alkaloidal and non-alkaloidal species out of 17 families of higher plants, including cell cultures of seven species. |
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