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avermectin生物合成基因簇的研究进展 被引量:3

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摘要 近期对除虫链霉菌 avermectin生物合成基因簇的研究揭示 ,它包含 4个大的开放阅读框 ,分别编码avermectin聚酮合成酶 4个巨大多功能多肽 (AVRS1,AVRS2 ,AVRS3和 AVRS4) ,构成了迄今已知的最复杂的多功能酶系统。此外 ,序列分析结果还显示 ,在这 4个大的开放阅读框的前、后及中间还存在另 14个开放阅读框 ,它们分别与聚酮后修饰以及 avermectin生物合成的其它步骤有关。本文综述了对 avermectin生物合成基因簇分子研究的最新进展。
出处 《国外医药(抗生素分册)》 CAS 2001年第3期108-112,共5页 World Notes on Antibiotics
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