Abstract
Nematophagous fungi have been widely evaluated in the biological control of parasitic helminths in animals, both through their direct use and the use of their derived products. Fungal bioproducts can include extracellular enzymes, silver nanoparticles (AgNPs), as well as secondary metabolites. The aim of this study was to conduct a systematic review covering the evaluation of products derived from nematophagous fungi in the biological control of parasitic helminths in animals. In total, 33 studies met the inclusion criteria and were included in this review. The majority of the studies were conducted in Brazil (72.7%, 24/33), and bioproducts derived from the fungus Duddingtonia flagrans were the most commonly evaluated (36.3%, 12/33). The studies involved the production of extracellular enzymes (48.4%, 16/33), followed by crude enzymatic extract (27.2%, 9/33), secondary metabolites (15.1%, 5/33) and biosynthesis of AgNPs (9.1%, 3/33). The most researched extracellular enzymes were serine proteases (37.5%, 6/16), with efficacies ranging from 23.9 to 85%; proteases (31.2%, 5/16), with efficacies from 41.4 to 95.4%; proteases + chitinases (18.7%, 3/16), with efficacies from 20.5 to 43.4%; and chitinases (12.5%, 2/16), with efficacies ranging from 12 to 100%. In conclusion, extracellular enzymes are the most investigated derivatives of nematophagous fungi, with proteases being promising strategies in the biological control of animal helminths. Further studies under in vivo and field conditions are needed to explore the applicability of these bioproducts as tools for biological control.
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This research received funding from Paraíba State Research Foundation (FAPESQ), scholarship to J.A.R.
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Conceptualization: J.A.R. and V.L.R.V.; methodology: J.A.R., T.F.F. and V.L.R.V; validation: T.F.F. and V.L.R.V.; formal analysis: J.A.R. and T.F.F.; investigation: J.A.R., T.F.F. and V.L.R.V.; writing—original draft preparation: J.A.R., T.F.F. and V.L.R.V; writing—review and editing: J.A.R. and V.L.R.V. All authors have read and agreed to the published version of the manuscript.
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Rodrigues, J.A., Feitosa, T.F. & Vilela, V.L.R. A systematic review on products derived from nematophagous fungi in the biological control of parasitic helminths of animals. World J Microbiol Biotechnol 40, 224 (2024). https://doi.org/10.1007/s11274-024-04036-5
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DOI: https://doi.org/10.1007/s11274-024-04036-5