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Genus-specific secondary metabolome in allokutzneria and Kibdelosporangium

Synthetic and Systems Biotechnology 2024年第3期9卷 381-390页

作者： Man-Jing Ma Wen-Chao Yu Huai-Ying Sun Bing-Cheng Dong Gang-Ao Hu Zhen-Yi Zhou Yi Hua Buddha Bahadur Basnet Yan-Lei Yu Hong Wang Bin Wei College of Pharmaceutical Science&Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals Zhejiang Key Laboratory of GreenLow-Carbonand Efficient Development of Marine Fishery ResourcesZhejiang University of TechnologyHangzhou 310014China Central Department of Biotechnology Trihuvan UniversityKathmanduNepal

Rare actinomycete genera are highly recognized as a promising source of structurally diverse and bioactive natural *** these genera,allokutzneria and Kibdelosporangium are two phylogenetically closely related and have been reported to encode some valuable biosynthetic enzymes and secondary ***,there is currently no relevant systematic research available to outline the linkage of genomic and metabolomics for specific secondary metabolites in these two promising *** this study,we first investi-gated the genus-specific secondary metabolic potential in allokutzneria and Kibdelosporangium by comparing the diversity and novelty of their secondary metabolite biosynthetic gene clusters(BGCs).The specific secondary metabolites produced by two representative strains of these genera were comprehensively investigated using untargeted metabolomics *** findings unveiled that the majority(95.4%)of the gene cluster families(GCFs)encoded by allokutzneria and Kibdelosporangium were genus-specific,including NRPS GCFs encoding *** untargeted metabolomics analysis revealed that the metabolic profiles of two representative strains exhibit extensive specificity,with the culture medium having a big impact on the metabolic ***,an MS-cluster featuring a series of hydroxamate-type siderophores was identified from allokutzneria albata JCM 9917,with two of them,including a novel one(N-deoxy arthrobactin A),being experimentally *** present study offers valuable insights for the targeted discovery of genus-specific natural products from microorganisms.

关键词： Genus-specific secondary metabolism allokutzneria Kibdelosporangium Genome mining Untargeted metabolomics Siderophore

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