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Using some microorganisms as biocontrol agents to manage phytopathogenic fungi: a comprehensive review

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Abstract

Globally, phytopathogenic fungi infections cause crop diseases, resulting in crop yield and quality loss. Extensive use of chemical fungicides leads to resistance and high costs for growers as well as environmental pollution; thus, researchers are exploring a more sustainable approach using biological control tactics. This review highlights the critical processes involved in biological control by bacteria, fungi, viruses, and archaea, i.e., the synthesis of various metabolites, enzymes, and signaling molecules, as well as competitive tactics or soil suppressiveness that can effectively control the phytopathogenic fungi. The global increase in registrations for biological products reflects the rising demand and requirement for more organic agriculture and achieving some sustainable development targets. Understanding the complicated interplay between microorganisms in this environment can aid in managing soil diversity and inhibiting phytopathogenic fungi without chemical residues. Therefore, microorganisms are recommended as a sustainable alternative biological control.

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Abbreviations

FAO:

Food and Agriculture Organization of the United Nations

DMDS:

dimethyl disulfide

VOCs:

volatile organic compounds

DMHDA:

dimethyl hexadecylamine

PGPB:

plant growth–promoting bacteria

PGPR:

plant growth-promoting rhizobacteria

NRPS:

non-ribosomal peptide synthetases

PKS:

polyketide synthetases

SAR:

systemic acquired resistance

ISR:

induced systemic resistance

JA:

jasmonic acid

SA:

salicylic acid

ET:

ethylene

PR1, 2:

pathogenesis-related gene

Chit-1:

the plant defensive chitinase

Glu-2:

1,3-glucanase

dsRNA:

Double-stranded RNA

CHV:

Cryphonectria hypovirulence viruses

SsNSRV-1:

S. sclerotiorum negative-stranded RNA virus 1

SsHV2:

S. sclerotiorum hypovirus 2

SsPV1:

S. sclerotiorum partitivirus 1

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Correspondence to Soha A. Alamoudi.

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Alamoudi, S.A. Using some microorganisms as biocontrol agents to manage phytopathogenic fungi: a comprehensive review. J Plant Pathol 106, 3–21 (2024). https://doi.org/10.1007/s42161-023-01542-7

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  • DOI: https://doi.org/10.1007/s42161-023-01542-7

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