The goal of this work is to extract and assess cadmium-tolerant native fungi from cocoa soils in order to use them in cadmium bioremediation in cocoa farms. The soil samples were taken in Peru's cocoa growing regions of Junn, Pucallpa, and Mazamari. The fungi were isolated from the colony and identified by their appearance on potato dextrose agar (PDA). All of the detected strains were grown on PDA agar with 87.64 ppm of cadmium to exclude out non-resistant or poorly resistant bacteria. The macroscopic and microscopic features of positive strains were used to identify them. To test cadmium tolerance, the diameter of the colony formed on PDA with 87.64, 175.29, and 350.59 ppm of cadmium was measured. A total of 100 fungal strains were identified, with 24 tolerant to 87.64 parts per million, 21 to 175.29 parts per million, and 16 to 350.59 parts per million. J2E2 (Acremonium sp.), MP4H1 (Curvularia sp.), HK6 (Not Described, ND), and JH3 (Fusarium sp.) were the fungus with the highest tolerance. HK6 (ND), H2 (Penicillium sp. ), AP3H4 (ND), and J2E2 were the strains with the best tolerance indices (Acremonium sp.). According to the findings, native fungi isolated from cocoa soils are tolerant of high cadmium concentrations, implying that they could be used as bioremediators in cocoa farms or other biotechnological processes.
Author(S) Details
Mario Alcarraz Curi
Laboratory of Industrial Bioprocesses, Faculty of Biological Sciences, National University of San Marcos, Lima, Peru.
Ana Maria Evangelio Gutierrez
Laboratory of Industrial Bioprocesses, Faculty of Biological Sciences, National University of San Marcos, Lima, Peru.
Mc. Kennet Yamel Enriquez Montesinos
Laboratory of Industrial Bioprocesses, Faculty of Biological Sciences, National University of San Marcos, Lima, Peru.
Jean Paul Julian Ibarra
Laboratory of Industrial Bioprocesses, Faculty of Biological Sciences, National University of San Marcos, Lima, Peru.
Deysi Damina Rendon Godoy
Laboratory of Industrial Bioprocesses, Faculty of Biological Sciences, National University of San Marcos, Lima, Peru.
Andres Stefano Sanchez Manrique
Laboratory of Industrial Bioprocesses, Faculty of Biological Sciences, National University of San Marcos, Lima, Peru.
Joselin Wendy Palomo Atanacio
Laboratory of Industrial Bioprocesses, Faculty of Biological Sciences, National University of San Marcos, Lima, Peru.
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