Abstract
The role of the marine alkaloid, norzoanthamine, in the colonial zoanthid Zoanthus sp. was previously unknown. High concentrations of norzoanthamine are present in the epidermal tissue of Zoanthus sp., as determined using protonated molecular ion peak mapping of norzoanthamine by matrix-assisted laser desorption/ionization mass spectrometry and high-performance liquid chromatography quantification. Sodium dodecylsulfate polyacrylamide gel electrophoresis experiments indicate that norzoanthamine increases the resistance of collagen to damage from UV light, probably not via UV light absorption, but by strengthening collagen itself, thus suggesting that collagen strengthening may be the function of norzoanthamine in Zoanthus sp.
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Acknowledgments
We are grateful to Prof. Hiroshi Nishihara and Dr. Shoko Kume of the University of Tokyo, for help in measuring MALDI mass spectra. This work was supported by a Grant-in-Aid for Scientific Research on Priority Areas; Targeted Pursuit of Challenging Bioactive Molecules (13024227) and Creation of Biologically Functional Molecules (17035021 and 18032025) from the Ministry of Education, Culture, Sports, Science and Technology of Japan and SEKISUI CHEMICAL CO., LTD. One of the authors (T.G.) was supported by a Grant-in-Aid for The 21st Century COE Program for Frontiers in Fundamental Chemistry and The Global COE Program for Chemistry Innovation through Cooperation of Science and Engineering from the Ministry of Education, Culture, Sports, Science, and Technology of Japan.
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Genji, T., Fukuzawa, S. & Tachibana, K. Distribution and Possible Function of the Marine Alkaloid, Norzoanthamine, in the Zoanthid Zoanthus sp. Using MALDI Imaging Mass Spectrometry. Mar Biotechnol 12, 81–87 (2010). https://doi.org/10.1007/s10126-009-9202-5
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DOI: https://doi.org/10.1007/s10126-009-9202-5