The present invention relates to isolated plant-derived polyamine metabolism-related enzyme genes characterized in that their level of expression changes when exposed to environmental stress; antisense DNA or antisense RNA to such genes; plants and their progeny having improved environmental stress tolerance, in which such genes are retained in a stable manner; methods for producing such plants, and methods for producing calli of such plants; method for selecting transformed plants which grow improved more than plants lacking an exogenous polyamine metabolism-related enzyme gene; and microorganims and plants which are transformed by such genes
本发明涉及分离的植物源
多胺代谢相关酶
基因,其特征在于当暴露于环境胁迫时它们的表达
水平会发生变化;这些
基因的反义DNA或反义RNA;具有改善的环境胁迫耐受性的植物及其后代,其中这些
基因以稳定的方式保留;生产这种植物的方法和生产这种植物的胼胝体的方法;选择转化植物的方法,这种植物比缺乏外源
多胺代谢相关酶
基因的植物生长得更好;以及由这种
基因转化的微
生物和植物