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Communication | Regular issue | Vol 102, No. 7, 2021, pp.1287-1293
Published online, 17th May, 2021
DOI: 10.3987/COM-21-14447
Debromooscillatoxins G and I from the Cyanobacterium Moorea producens

Kanon Iguchi, Masayuki Satake, Yutaro Nishio, Bo-Tao Zhang, Kento Kawashima, Hajime Uchida, and Hiroshi Nagai*

*Department of Ocean Sciences, Tokyo University of Marine Science and Technology, Tokyo 108-8477, Japan

Abstract

Debromooscillatoxins G and I (1 and 3) were isolated from the marine cyanobacterium Moorea producens collected in Okinawa. Their structures were determined based on spectroscopic data, including nuclear magnetic resonance (NMR) and high resolution mass spectrometry (HRMS). Both the isolated compounds showed moderate cytotoxicity and diatom growth inhibition at a concentration of 10 µg/mL.