Ecophysiology of transgenic plants expressing an alien defence pathway (B05)

植物合成大量的次生代谢物，构成化学防御的武器库。通常，特定的防御化合物仅限于一种植物家族的成员。二次生物合成通过标志酶分支初级新陈代谢。这允许在任何给定的植物中转基因表达特定的途径，并打开了增加植物S防御系统的可能性。我们建议通过将Bx基因簇转移到拟南芥中来研究Bx转基因表达的生态生理学。Bx是存在于包括玉米和小麦在内的许多禾本科植物中的防御化合物。

Plants synthesise a huge variety of secondary metabolites that constitute the arsenal of chemical defence. Often specific defence compounds are restricted to members of one plant family. Secondary biosynthesis branches off primary metabolism via signature enzymes. This allows transgenic expression of specific pathways in any given plant and opens the potential to increase the plant¿s defence repertoire. We propose to investigate the ecophysiology of transgenic expression of benzoxazinoids (Bx), defence compounds that are present in many grasses including the crops maize and wheat through the transfer of the Bx gene cluster to Arabidopsis.