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Thiazinogeldanamycin, a New Geldanamycin Derivative Produced by Streptomyces hygroscopicus 17997

  • Ni, Siyang (Key Laboratory of Biotechnology of Antibiotics of Ministry of Health, Institute of Medicinal Biotechnology, Peking Union Medical College and Chinese Academy of Medical Sciences) ;
  • Wu, Linzhuan (Key Laboratory of Biotechnology of Antibiotics of Ministry of Health, Institute of Medicinal Biotechnology, Peking Union Medical College and Chinese Academy of Medical Sciences) ;
  • Wang, Hongyuan (Key Laboratory of Biotechnology of Antibiotics of Ministry of Health, Institute of Medicinal Biotechnology, Peking Union Medical College and Chinese Academy of Medical Sciences) ;
  • Gan, Maoluo (Key Laboratory of Biotechnology of Antibiotics of Ministry of Health, Institute of Medicinal Biotechnology, Peking Union Medical College and Chinese Academy of Medical Sciences) ;
  • Wang, Yucheng (Key Laboratory of Biotechnology of Antibiotics of Ministry of Health, Institute of Medicinal Biotechnology, Peking Union Medical College and Chinese Academy of Medical Sciences) ;
  • He, Weiqing (Key Laboratory of Biotechnology of Antibiotics of Ministry of Health, Institute of Medicinal Biotechnology, Peking Union Medical College and Chinese Academy of Medical Sciences) ;
  • Wang, Yiguang (Key Laboratory of Biotechnology of Antibiotics of Ministry of Health, Institute of Medicinal Biotechnology, Peking Union Medical College and Chinese Academy of Medical Sciences)
  • 투고 : 2010.11.08
  • 심사 : 2011.03.14
  • 발행 : 2011.06.28

초록

A new geldanamycin (GDM) derivative was discovered and isolated from the fermentation broth of Streptomyces hygroscopicus 17997. Its chemical structure was elucidated as thiazinogeldanamycin by LC-MS, sulfur analysis, and NMR. The addition of cysteine to the fermentation medium significantly stimulated the production level of thiazinogeldanamycin, suggesting cysteine as a precursor of thiazinogeldanamycin production. Although showing a decreased cytotoxicity against HepG2 cancer cells, thiazinogeldanamycin exhibited an improved water solubility and photostability. Thiazinogeldanamycin may represent the first natural GDM derivative characterized so far that uses GDM as its precursor. Its appearance also clearly indicates that an appropriate end-point of fermentation is of critical importance for the maximal production of GDM by Streptomyces hygroscopicus 17997.

키워드

참고문헌

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피인용 문헌

  1. New Geldanamycin Analogs from Streptomyces hygroscopicus vol.22, pp.11, 2011, https://doi.org/10.4014/jmb.1206.06026
  2. Identification of 6-demethoxy-6-methylgeldanamycin and its implication of geldanamycin biosynthesis vol.67, pp.2, 2011, https://doi.org/10.1038/ja.2013.94
  3. Two herbimycin analogs, 4,5-dihydro-(4S)-4-hydroxyherbimycin B and (15S)-15-hydroxyherbimycin B, from Streptomyces sp. CPCC 200291 vol.68, pp.7, 2011, https://doi.org/10.1038/ja.2015.12
  4. New C-19-modified geldanamycin derivatives: synthesis, antitumor activities, and physical properties study vol.18, pp.8, 2016, https://doi.org/10.1080/10286020.2016.1160896
  5. Atmospheric Precipitations, Hailstone and Rainwater, as a Novel Source of Streptomyces Producing Bioactive Natural Products vol.9, pp.None, 2018, https://doi.org/10.3389/fmicb.2018.00773