植物与内生真菌之间的信号传递

来源 :第八届海峡两岸三地植物分子生物学与生物技术学术研讨会 | 被引量 : 0次 | 上传用户:lsq_1123
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  在自然的共生世界里,一个物种是很难单独生存的.绝大多数植物的皮层之下有内生菌的存在.我们研究了几种植物皮层组织中的内生菌,侧重研究其中的内生真菌.在中国红豆杉(Taxus chinensis)不同茎部分离出3种内生菌,经18S rDNA序列分析和形态学观察,确定它们是Pestalotiopsis microspora,Pestalosphaeria hansenii和Fusarum sp.它们均可在离体培养的条件下生成重要的抗癌药物紫杉醇.在离体培养的红豆杉中加入这些真菌的提取物会促进紫杉醇的合成.
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