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Issue 9, 2017
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Identification of hispidin as a bioluminescent active compound and its recycling biosynthesis in the luminous fungal fruiting body

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Abstract

We previously showed that luminous fungi share a common mechanism in bioluminescence, and identified hispidin as a luciferin precursor in Neonothopanus nambi mycelium. Here we showed the presence of hispidin as a bioluminescent active compound at 25–1000 pmol g−1 in the fruiting bodies of Mycena chlorophos, Omphalotus japonicus, and Neonothopanus gardneri. These results suggest that luminous mushrooms contain hispidin as a luciferin precursor. We also found that non-luminous “young” fruiting bodies exhibited luminescence by hispidin treatment. Furthermore, we observed a gradual luminescence enhancement of the cell-free fruiting body extract by the addition of hispidin biosynthetic components, namely caffeic acid, ATP and malonyl-CoA. These findings suggest that continuous weak glow of luminous mushrooms is regulated by slow recycling biosynthesis of hispidin.

Graphical abstract: Identification of hispidin as a bioluminescent active compound and its recycling biosynthesis in the luminous fungal fruiting body

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Article information


Submitted
09 Jun 2017
Accepted
20 Jul 2017
First published
21 Jul 2017

Photochem. Photobiol. Sci., 2017,16, 1435-1440
Article type
Paper

Identification of hispidin as a bioluminescent active compound and its recycling biosynthesis in the luminous fungal fruiting body

Y. Oba, Y. Suzuki, G. N. R. Martins, R. P. Carvalho, T. A. Pereira, H. E. Waldenmaier, S. Kanie, M. Naito, A. G. Oliveira, F. A. Dörr, E. Pinto, I. V. Yampolsky and C. V. Stevani, Photochem. Photobiol. Sci., 2017, 16, 1435
DOI: 10.1039/C7PP00216E

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