ANTIFUNGAL ACTIVITY AND CHEMICAL PROFILE OF ENDOPHYTIC FUNGI ISOLATED FROM CLITORIA GUIANENSIS: AN OSMAC AND MOLECULAR NETWORKING APPROACH

Authors

  • Millena Baltazar de Oliveira Universidade Federal do Tocantins
  • Douglas Martins de Oliveira Bessa Universidade Federal do Tocantins
  • Allice Barboza da Cruz Universidade Federal do Tocantins
  • Daniela Baretto Barbosa Trivella Centro Nacional de Pesquisa em Energia e Materiais
  • Vanessa Mara Chapla Universidade Federal do Tocantins

DOI:

https://doi.org/10.20873/pibic_2024_21110

Abstract

Endophytic fungi are microorganisms that inhabit healthy plant tissues, producing secondary metabolites with biotechnological potential. This study evaluated the antimicrobial activity and chemical profile of extracts obtained from endophytic fungi isolated from the medicinal plant Clitoria guianensis, using the OSMAC (One Strain Many Compounds) strategy through co-cultivation with the phytopathogen Sclerotinia sclerotiorum. The extracts were analyzed by UPLC-MS/MS, and molecular networks constructed on the GNPS2 platform allowed the annotation of bioactive compounds, highlighting the presence of Beauvericin and Beauvenniatin L. The antifungal activity was tested against S. sclerotiorum, with the co-culture of the fungus Fusarium sp. (CG45) showing 45.7% mycelial inhibition, superior to the monoculture (29%). None of the tested samples showed antibacterial activity. No significant cytotoxic activity was observed in the tested cell lines, indicating safety for biotechnological applications. The results suggest that co-cultivation is an effective strategy to enhance the production of antifungal metabolites, offering a sustainable alternative for the control of phytopathogens.

Published

2025-04-30

How to Cite

Oliveira, M. B. de, Bessa, D. M. de O., Cruz, A. B. da, Trivella, D. B. B., & Chapla, V. M. (2025). ANTIFUNGAL ACTIVITY AND CHEMICAL PROFILE OF ENDOPHYTIC FUNGI ISOLATED FROM CLITORIA GUIANENSIS: AN OSMAC AND MOLECULAR NETWORKING APPROACH. DESAFIOS - Revista Interdisciplinar Da Universidade Federal Do Tocantins, 12(1), 1–18. https://doi.org/10.20873/pibic_2024_21110