{"title":"Maydisens, Sesterterpenoids with Anti-MDR Activity from Bipolaris maydis.","authors":"Yong Shen, Nanjin Ding, Lianghu Gu, Mengru Yu, Qin Li, Weiguang Sun, Chunmei Chen, Yonghui Zhang, Hucheng Zhu","doi":"10.1021/acs.jnatprod.4c00658","DOIUrl":null,"url":null,"abstract":"<p><p>Fourteen previously undescribed sesterterpenoids (<b>1</b>-<b>14</b>) were isolated from <i>Bipolaris maydis</i>. Their structures with absolute configurations were elucidated by NMR, HRESIMS, DP4+ calculations, ECD calculations, single-crystal X-ray diffraction analyses, and the modified Mosher's method. Compounds <b>1</b>-<b>5</b> possess an uncommon 5/11 bicyclic ring system identified from <i>B. maydis</i> for the first time. Compounds <b>6</b>-<b>14</b> have a 5/8/5 tricyclic ring system, and these compounds both possess carbonyl groups in ring A. Compound <b>10</b> showed significant reversal of paclitaxel resistance in cancer cells.</p>","PeriodicalId":47,"journal":{"name":"Journal of Natural Products ","volume":" ","pages":"2408-2420"},"PeriodicalIF":3.3000,"publicationDate":"2024-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Maydisens, Sesterterpenoids with Anti-MDR Activity from <i>Bipolaris maydis</i>.\",\"authors\":\"Yong Shen, Nanjin Ding, Lianghu Gu, Mengru Yu, Qin Li, Weiguang Sun, Chunmei Chen, Yonghui Zhang, Hucheng Zhu\",\"doi\":\"10.1021/acs.jnatprod.4c00658\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>Fourteen previously undescribed sesterterpenoids (<b>1</b>-<b>14</b>) were isolated from <i>Bipolaris maydis</i>. Their structures with absolute configurations were elucidated by NMR, HRESIMS, DP4+ calculations, ECD calculations, single-crystal X-ray diffraction analyses, and the modified Mosher's method. Compounds <b>1</b>-<b>5</b> possess an uncommon 5/11 bicyclic ring system identified from <i>B. maydis</i> for the first time. Compounds <b>6</b>-<b>14</b> have a 5/8/5 tricyclic ring system, and these compounds both possess carbonyl groups in ring A. Compound <b>10</b> showed significant reversal of paclitaxel resistance in cancer cells.</p>\",\"PeriodicalId\":47,\"journal\":{\"name\":\"Journal of Natural Products \",\"volume\":\" \",\"pages\":\"2408-2420\"},\"PeriodicalIF\":3.3000,\"publicationDate\":\"2024-10-25\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Natural Products \",\"FirstCategoryId\":\"99\",\"ListUrlMain\":\"https://doi.org/10.1021/acs.jnatprod.4c00658\",\"RegionNum\":2,\"RegionCategory\":\"生物学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"2024/10/2 0:00:00\",\"PubModel\":\"Epub\",\"JCR\":\"Q2\",\"JCRName\":\"CHEMISTRY, MEDICINAL\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Natural Products ","FirstCategoryId":"99","ListUrlMain":"https://doi.org/10.1021/acs.jnatprod.4c00658","RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2024/10/2 0:00:00","PubModel":"Epub","JCR":"Q2","JCRName":"CHEMISTRY, MEDICINAL","Score":null,"Total":0}
Maydisens, Sesterterpenoids with Anti-MDR Activity from Bipolaris maydis.
Fourteen previously undescribed sesterterpenoids (1-14) were isolated from Bipolaris maydis. Their structures with absolute configurations were elucidated by NMR, HRESIMS, DP4+ calculations, ECD calculations, single-crystal X-ray diffraction analyses, and the modified Mosher's method. Compounds 1-5 possess an uncommon 5/11 bicyclic ring system identified from B. maydis for the first time. Compounds 6-14 have a 5/8/5 tricyclic ring system, and these compounds both possess carbonyl groups in ring A. Compound 10 showed significant reversal of paclitaxel resistance in cancer cells.
期刊介绍:
The Journal of Natural Products invites and publishes papers that make substantial and scholarly contributions to the area of natural products research. Contributions may relate to the chemistry and/or biochemistry of naturally occurring compounds or the biology of living systems from which they are obtained.
Specifically, there may be articles that describe secondary metabolites of microorganisms, including antibiotics and mycotoxins; physiologically active compounds from terrestrial and marine plants and animals; biochemical studies, including biosynthesis and microbiological transformations; fermentation and plant tissue culture; the isolation, structure elucidation, and chemical synthesis of novel compounds from nature; and the pharmacology of compounds of natural origin.
When new compounds are reported, manuscripts describing their biological activity are much preferred.
Specifically, there may be articles that describe secondary metabolites of microorganisms, including antibiotics and mycotoxins; physiologically active compounds from terrestrial and marine plants and animals; biochemical studies, including biosynthesis and microbiological transformations; fermentation and plant tissue culture; the isolation, structure elucidation, and chemical synthesis of novel compounds from nature; and the pharmacology of compounds of natural origin.