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Secondary metabolites from hypocrealean entomopathogenic fungi: novel bioactive compounds

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Abstract

Covering: 2014 up to the third quarter of 2019

Entomopathogens constitute a unique, specialized trophic subgroup of fungi, most of whose members belong to the order Hypocreales (class Sordariomycetes, phylum Ascomycota). These Hypocrealean Entomopathogenic Fungi (HEF) produce a large variety of secondary metabolites (SMs) and their genomes rank highly for the number of predicted, unique SM biosynthetic gene clusters. SMs from HEF have diverse roles in insect pathogenicity as virulence factors by modulating various interactions between the producer fungus and its insect host. In addition, these SMs also defend the carcass of the prey against opportunistic microbial invaders, mediate intra- and interspecies communication, and mitigate abiotic and biotic stresses. Thus, these SMs contribute to the role of HEF as commercial biopesticides in the context of integrated pest management systems, and provide lead compounds for the development of chemical pesticides for crop protection. These bioactive SMs also underpin the widespread use of certain HEF as nutraceuticals and traditional remedies, and allowed the modern pharmaceutical industry to repurpose some of these molecules as life-saving human medications. Herein, we survey the structures and biological activities of SMs described from HEF, and summarize new information on the roles of these metabolites in fungal virulence.

Graphical abstract: Secondary metabolites from hypocrealean entomopathogenic fungi: novel bioactive compounds

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Article information


Submitted
05 Nov 2019
First published
25 Mar 2020

Nat. Prod. Rep., 2020, Advance Article
Article type
Review Article

Secondary metabolites from hypocrealean entomopathogenic fungi: novel bioactive compounds

L. Zhang, O. E. Fasoyin, I. Molnár and Y. Xu, Nat. Prod. Rep., 2020, Advance Article , DOI: 10.1039/C9NP00065H

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