4.7 Article

Isolation of Talathermophilins from the Thermophilic Fungus Talaromyces thermophilus YM3-4

Journal

JOURNAL OF NATURAL PRODUCTS
Volume 74, Issue 10, Pages 2278-2281

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/np200365z

Keywords

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Funding

  1. Major State Basic Research Development Program [2009CB125905]
  2. National Natural Science Foundation of China [30870083, 31070051]
  3. Department of Science and Technology of Yunnan Province [2008CD068, 2010GA011]
  4. Scientific Research Foundation for the Returned Overseas Chinese Scholars
  5. State Education Ministry [[2009]1341]
  6. Young Academic and Technical Leader Raising Foundation of Yunnan Province [2009CI051]

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Six indole alkaloids with various levels of prenylation were isolated from the thermophilic fungus Talaromyces thermophilus strain YM3-4. Their structures were identified by NMR and MS spectroscopic analyses. Compounds 1 and 2 are new analogues of the key versatile precursor notoamide E. Compound 3 is a novel analogue of preechinulin, and compound 4 was reported as a natural occurring cyclo(glycyltryptophyl) for the first time. The metabolite profile of this thermophilic organism displayed a biosynthetic pathway for talathermophilins.

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