Field and pulping performances of transgenic trees with altered lignification
作者： Gilles Pilate , Emma Guiney , Karen Holt , Michel Petit-Conil , Catherine Lapierre
DOI: 10.1038/NBT0602-607
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摘要: The agronomic and pulping performance of transgenic trees with altered lignin has been evaluated in duplicated, long-term field trials. Poplars expressing cinnamyl alcohol dehydrogenase (CAD) or caffeate/5-hydroxyferulate O-methyltransferase (COMT) antisense transgenes were grown for four years at two sites, France England. remained healthy throughout the trial. Growth indicators interactions insects normal. No changes soil microbial communities detected beneath trees. expected modifications to maintained transgenics over years, both sites. Kraft tree trunks showed that reduced-CAD lines had improved characteristics, allowing easier delignification, using smaller amounts chemicals, while yielding more high-quality pulp. This work highlights potential engineering wood quality environmentally benign papermaking without interfering growth fitness.
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