The alkaloid brachycerine contributes to protection against acute UV-B damage in Psychotria

Diogo Denardi Porto,Hélio Nitta Matsuura,Amélia Teresinha Henriques,Luís Mauro Gonçalves Rosa,Janette Palma Fett,Arthur Germano Fett-Neto

Industrial Crops and Products（2020）

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摘要

•Psychotria brachyceras is highly tolerant to ultraviolet-B (UV-B).•Related species Psychotria carthagenensis lacks alkaloids and is UV-B sensitive.•The antioxidant alkaloid brachycerine of Psychotria brachyceras is induced by UV-B.•Flavonoids, anthocyanins, waxes, and leaf features could not explain UV-B tolerance.•Brachycerine was present in epidermis and on P. carthagenensis made it UV-B tolerant.

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关键词

Alkaloid,Brachycerine,Psychotria brachyceras,Psychotria carthagenensis,Specialized metabolites,Ultraviolet

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