Exploring Bioactive Metabolites From Fusarium falciforme and Aspergillus terreus Isolated From Protease-Rich Fruits: Antifungal, Antitrypanosomal, and Enzymatic Inhibitory Activities.

Authors

Gabriela de Oliveira Almeida, Vitor de Souza Mazucato, Ludmilla Tonani, Marcia Regina von Zeska Kress, Gisele Barbosa, Renata Krogh, Adriano Defini Andricopulo, Leonardo Luiz Gomes Ferreira, Paulo Cezar Vieira

Published in

Chemistry & biodiversity. Pages e00673. Jul 20, 2025. Epub Jul 20, 2025.

Abstract

Fungal secondary metabolites display remarkable chemical diversity and biological potential, with applications in agriculture and pharmaceuticals. This study isolated and characterized bioactive metabolites from two phytopathogenic fungi, Fusarium falciforme (from papaya) and Aspergillus terreus (from pineapple), assessing their antifungal and cysteine protease-inhibitory activities. The compounds hymeglusin, fusaridioic acid A, and butyrolactone I exhibited significant antifungal effects, with hymeglusin (IC₅₀ 22.12 µg/mL) inhibiting A. terreus and butyrolactone I (IC₅₀ 39.72 µg/mL) inhibiting F. falciforme. These metabolites also strongly inhibited papain, with IC₅₀ values of 6.24 µM (butyrolactone I), 9.38 µM (hymeglusin), and 28.58 µM (fusaridioic acid A). Butyrolactone I exhibited the highest antitrypanosomal activity (IC₅₀ 24.72 µM), highlighting its antiparasitic potential. These findings emphasize the biotechnological significance of fungal metabolites for antifungal, protease-inhibitory, and antiparasitic applications while also shedding light on their ecological role in host-pathogen interactions.

PMID:
40684465
Bibliographic data and abstract were imported from PubMed on 21 Jul 2025.

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