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Precezomycin, a novel antibiotic biosynthetic precursor of cezomycin, from actinomycete Kitasatospora putterlickiae 10–13

The Journal of Antibiotics volume 77, pages 189–192 (2024)Cite this article

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Abstract

A novel antibiotic biosynthetic precursor of cezomycin, named precezomycin (1), was isolated from culture broth of actinomycete Kitasatospora putterlickiae 10–13. The planar structure was determined by 1D/2D NMR and HR(ESI)MS data analyses, and the absolute configurations were established by TDDFT calculation of ECD spectra. Precezomycin (1) exhibited moderate antibacterial activity against gram-positive bacteria including Staphylococcus aureus and Bacillus subtilis. The discovery of 1 extends the natural product family of cezomycin and provides a new insight into understanding the biosynthetic process of these polyether ionophore metabolites.

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Acknowledgements

This work was supported in part by the Chugai Foundation for Innovative Drug Discovery Science: C-FINDs (2023-CF-01 to HK), University of the Ryukyus Research Project Promotion Grant for Foreign Researchers (19SP07101 to SL), the Uruma Fund for the Promotion of Science (to SL), the National Natural Science Foundation of China (82104025 to SL and 22377042 to DM), the Senior Talent Foundation of Jiangsu University (5501290012 to SL and 5501290011 to DM), the Jiangsu Provincial Double-Innovation Doctor Program (JSSCBS20221203 to SL and JSSCBS20221208 to DM) and a Grant-in-Aid for Scientific Research from the Ministry of Education, Culture, Sports, Science and Technology, Japan (23H04882 to HK).

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Authors and Affiliations

  1. School of Pharmacy, Jiangsu University, Zhenjiang, 212013, China

    Di Mao, Pengwei Yu, Weiping Zheng & Shan Lu

  2. Department of System Chemotherapy and Molecular Sciences, Division of Medicinal Frontier Sciences, Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto, 606-8501, Japan

    Di Mao, Lei Zhang & Hideaki Kakeya

  3. Tropical Biosphere Research Center, University of the Ryukyus, Okinawa, 903-0213, Japan

    Naoya Shinzato

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  1. Di Mao
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Correspondence to Shan Lu or Hideaki Kakeya.

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Mao, D., Yu, P., Shinzato, N. et al. Precezomycin, a novel antibiotic biosynthetic precursor of cezomycin, from actinomycete Kitasatospora putterlickiae 10–13. J Antibiot 77, 189–192 (2024). https://doi.org/10.1038/s41429-023-00695-y

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