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Pseudomonas Lipopeptide-Mediated Biocontrol: Chemotaxonomy and Biological Activity

Abstract : Pseudomonas lipopeptides (Ps-LPs) play crucial roles in bacterial physiology, host–microbe interactions and plant disease control. Beneficial LP producers have mainly been isolated from the rhizosphere, phyllosphere and from bulk soils. Despite their wide geographic distribution and host range, emerging evidence suggests that LP-producing pseudomonads and their corresponding molecules display tight specificity and follow a phylogenetic distribution. About a decade ago, biocontrol LPs were mainly reported from the P. fluorescens group, but this has drastically advanced due to increased LP diversity research. On the one hand, the presence of a close-knit relationship between Pseudomonas taxonomy and the molecule produced may provide a startup toolbox for the delineation of unknown LPs into existing (or novel) LP groups. Furthermore, a taxonomy–molecule match may facilitate decisions regarding antimicrobial activity profiling and subsequent agricultural relevance of such LPs. In this review, we highlight and discuss the production of beneficial Ps-LPs by strains situated within unique taxonomic groups and the lineage-specificity and coevolution of this relationship. We also chronicle the antimicrobial activity demonstrated by these biomolecules in limited plant systems compared with multiple in vitro assays. Our review further stresses the need to systematically elucidate the roles of diverse Ps-LP groups in direct plant–pathogen interactions and in the enhancement of plant innate immunity.
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https://hal.univ-reims.fr/hal-03556770
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Submitted on : Friday, February 4, 2022 - 10:11:07 AM
Last modification on : Friday, February 25, 2022 - 11:14:04 AM
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Feyisara Eyiwumi Oni, Qassim Esmaeel, Joseph Tobias Onyeka, Rasheed Adeleke, Cedric Jacquard, et al.. Pseudomonas Lipopeptide-Mediated Biocontrol: Chemotaxonomy and Biological Activity. Molecules, MDPI, 2022, 27 (2), pp.372. ⟨10.3390/molecules27020372⟩. ⟨hal-03556770⟩

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