.343.创新霉素生物合成研究进展侍媛媛武临专洪斌*(中国医学科学院北京协和医学院医药生物技术研究所,国家卫健委抗生素生物工程重点实验室,中国医学科学院药物合成生物学重点实验室,北京100050)摘要:创新霉素是中国科学家20世纪60年代发现的具有全新骨架结构的抗生素,由济南游动放线菌产生,具有良好的抗菌活性和新颖的作用靶点,但创新霉素的生物合成基因簇在其发现50多年后才得到解析。本文介绍了创新霉素研究的历史沿革,着重介绍了其生物合成机制的最新研究进展,从生物合成基因簇、生物合成途径、新颖的去泛素化酶样的硫转移酶催化的硫掺入机制、罕见的细胞色素P450酶催化的C-S键形成机制等角度进行阐述,这些研究进展为利用组合生物合成和合成生物学技术进行新药研发和高产优产奠定了理论基础。关键词:创新霉素;生物合成;C-S键形成;硫掺入;细胞色素P450酶中图分类号:R978.1文献标志码:AResearchprogressonthebiosynthesisofchuangxinmycinShiYuan-yuan,WuLin-zhuan,andHongBin(NHCKeyLaboratoryofBiotechnologyofAntibiotics,CAMSKeyLaboratoryofSyntheticBiologyforDrugInnovation,InstituteofMedicinalBiotechnology,ChineseAcademyofMedicalSciences&PekingUnionMedicalCollege,Beijing100050)AbstractChuangxinmycinisanantibioticisolatedfromActinoplanestsinanensisinthe1960swithanovelindole-dihydrothiopyranheterocyclicskeleton.Itshowedgoodantibacterialactivityanduniqueantibacterialmechanism.However,itsbiosyntheticgeneclusterhasremainedobscureforover50years.Thehistoricalevolutionofchuangxinmycinresearchwasintroduced,andthelatestadvancesintheunderstandingofitsbiosyntheticmechanismwerereviewedindetailfromtheperspectivesofbiosyntheticgenecluster,biosyntheticpathway,thenovelmechanismforsulfurincorporationcatalyzedbyadeubiquitinase-likesulfurtransferaseandtherareC-SbondformationmechanismcatalyzedbycytochromeP450enzyme.Theelucidationofthebiosyntheticmechanismofchuangxinmycinprovidesthebasisforapplyingcombinatorialbiosynthesisandsyntheticbiologytechnologyingeneratingdiversestructuresfornewdrugdiscoveryanddevelopment.KeywordsChuangxinmycin;Biosynthesis;C-Sbondformation;Sulfurincorporation;CytochromeP450enzyme收稿日期:2021-08-26基金项目:国家重点...