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Postharvest Pathogens and

Food Spoilage Team


Ochratoxin A defective Aspergillus carbonarius mutants as potential biocontrol agents


Functional Role of Aspergillus carbonarius AcOTAbZIP Gene, a bZIP Transcription Factor within the OTA Gene Cluster


Coordinated activation of the metabolic pathways induced by LED blue light in citrus fruit

Studies on fruit-pathogen interaction

Research in our working group is related to the characterization of the postharvest interaction between apple and citrus fruits and fungal pathogens of the genus Penicillium, main rots of these crops. Currently, we are using molecular genetics, genomic, transcriptomic and metabolomic strategies, with the aim of understanding the basis of compatible and incompatible interactions between fruit and pathogen. We are addressing both fruit defense responses against different fungi and the mechanisms and determinants of pathogenicity and virulence of the fungus.

Reduction of mycotoxin levels in food

Mycotoxins are secondary metabolites produced by fungi of the genera Aspergillus and Penicillium, among others, which represent a serious risk for human and animal health. Our approach is discovery of effective control systems that can replace the current fungicides to reduce the development of mycotoxigenic fungi, and to that end, reduce mycotoxin contamination

Mechanism of action

 Development and characterization of the mechanism of action o new alternative physical, chemical and biological treatments to control postharvest fungal pathogens. We focus on treatments that either induce resistance in the fruit (i.e. irradiation with light at different wavelengths) or that affect fungal viability or pathogenicity.

Featured Work

Green Mold

Penicillium digitatum

Blue mold

Penicillium expansum

Dark mold

Aspergillus carbonarius

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