Characterization of sclerotia from environmental strains of Aspergillus flavus and their relationship with the mycotoxins production

Authors

  • Ian Pérez Ramírez Facultad de Biología, Universidad de La Habana
  • Kenia C. Sánchez Espinosa Facultad de Biología, Universidad de La Habana

Keywords:

fungi, environment, aflatoxins, cyclopiazonic acid

Abstract

Aspergillus flavus Link is frequently isolated fungi in environmental studies.
This species produces sclerotia, a phenotypic feature that has been related to
the production of aflatoxins and cyclopiazonic acid. The objective of this study
was to analyze the characteristics of the sclerotia of environmental strains of
A. flavus due to their relationship with mycotoxin biogenesis. The sclerotia of
14 strains from the Microbial Culture Collection of the Faculty of Biology were
measured and the qualitative detection of aflatoxins and cyclopiazonic acid
was performed. All sclerotia produced were of the L morphotype (> 400 μm)
and the presence of aflatoxins or cyclopiazonic acid was not detected.
Knowledge of the morphological characteristics of these resistance structures
and their relationship to the biogenesis of mycotoxins in populations of this
species contributes to knowledge of their diversity in the neotropics.

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Published

2023-01-20

How to Cite

Pérez Ramírez, I., & Sánchez Espinosa, K. C. (2023). Characterization of sclerotia from environmental strains of Aspergillus flavus and their relationship with the mycotoxins production. Revista Cubana De Ciencias Biológicas, 8(1). Retrieved from https://revistas.uh.cu/rccb/article/view/943

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