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Boehringer Ingelheim obtains United States patent.

University of Guelph (Guelph, Canada) has patented a method for embryogenesis and a method for plant regeneration. Microspore-containing plant segment from donor plants are harvested and incubated under pre-treatment conditions to maintain microspore at a uninucleate cell cycle G1 phase. Pre-treatment conditions comprise cold water or an aqueous solution of about 0.2-about 1.0 mol/liter sugar alcohol, for example mannitol. Microspores are isolated from the plant segment and embryogenesis of microspores is induced in induction medium, thereby producing embryos. Green plants may be regenerated from the embryos produced. Arabinogalactan protein, auxin and ovary co-culture may be added to the induction medium to enhance embryogenesis from microspores. (US 6,812,028)
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Publication:BIOTECH Patent News
Article Type:Brief Article
Geographic Code:1USA
Date:Oct 1, 2004
Words:112
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