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A mannose selection system was adapted for use in the Agrobacterium-mediated transformation of Chinese cabbage. This system makes use of the pmi gene that encodes phosphomannose isomerase, which converts mannose-6-phosphate to fructose-6-phosphate. Hypocotyl explants from 4–5-day-old seedlings of Chinese cabbage inbred lines were pre-cultured for 2–3 days and then infected with Agrobacterium. Two...
In order to meet the future requirement of using non-antibiotic resistance genes for the production of transgenic plants, we have adapted the selectable marker system PMI/mannose to be used in Agrobacterium-mediated transformation of flax (Linum usitatissimum L.) cv. Barbara. The Escherichia coli pmi gene encodes a phosphomannose isomerase (E.C. 5.1.3.8) that converts mannose-6-phosphate, an inhibitor...
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