Proteomic analysis of the inhibitory effect of the butanolic fraction of Jacquinia macrocarpa on Fusarium verticillioides

Daniel F Valenzuela-Cota, Martha B Morales-Amparano, Maribel Plascencia-Jatomea, Oliviert Martínez-Cruz, Francisca Hernández-García, Luz Vázquez-Moreno, Ema C Rosas-Burgos, José Á Huerta-Ocampo

Research output: Contribution to journalArticlepeer-review


Jacquinia macrocarpa, a plant native to northwestern Mexico, has an inhibitory effect against phytopathogenic fungi. Previous studies have shown that the butanolic extract of J. macrocarpa causes retardation and atrophy in mycelial growth of Fusarium verticillioides. However, the action mechanism of this extract is unknown. We used a proteomics approach to understand the inhibitory effect of J. macrocarpa butanolic extract, based on differential protein accumulation in F. verticillioides. Proteins were extracted from F. verticillioides cultured in Czapek broth with and without 202.12 μg/mL (IC50) of butanolic extract of J. macrocarpa. Thirty-eight protein spots showing statistically significant changes (ANOVA, p < 0.01) and at least a 2-fold change in abundance between experimental conditions were analyzed by mass spectrometry. Identified proteins were grouped into different biological processes according to Gene Ontology, among them were amino acid metabolism, protein folding and stabilization, protein degradation, protein transport, carbohydrate metabolism, oxidative stress response, and miscellaneous. This work is the first report of changes in the proteomic profile of F. verticillioides exposed to the J. macrocarpa extract. This information provides new insights into the inhibitory mechanism of the extract and represents a starting point for dissection of the fungal response against the J. macrocarpa extract components.

Original languageEnglish
Pages (from-to)535-548
Number of pages14
JournalCanadian Journal of Microbiology
Issue number10
StatePublished - 14 May 2020


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