The diversity of lipopeptides in the Pseudomonas syringae complex parallels phylogeny and sheds light on structural diversification during evolutionary history - Archive ouverte HAL Access content directly
Journal Articles Microbiology Spectrum Year : 2022

The diversity of lipopeptides in the Pseudomonas syringae complex parallels phylogeny and sheds light on structural diversification during evolutionary history

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Abstract

Pseudomonas spp. colonize diverse aquatic and terrestrial habitats and produce a wide variety of secondary metabolites, including lipopeptides. However, previous studies have often examined a limited number of lipopeptide-producing strains. In this study, we performed a systematic analysis of lipopeptide production across a wide data set of strains of the Pseudomonas syringae complex (724) by using a combined bioinformatics, mass spectrometry, and phylogenetics approach. The large P. syringae complex, which is composed of 13 phylogroups, is known to produce factins (including syringafactin-like lipopeptides), mycins (including syringomycin-like lipopeptides), and peptins (such as syringopeptins). We found that 80.8% of P. syringae strains produced lipopeptides and that factins were the most frequently produced (by 96% of the producing strains). P. syringae strains were either factin monoproducers or factin, mycin, and peptin coproducers or lipopeptide nonproducers in relation to their phylogenetic group. Our analyses led to the discovery of 42 new lipopeptides, bringing the number of lipopeptides identified in the P. syringae complex to 75. We also highlighted that factins have high structural resemblance and are widely distributed among the P. syringae complex, while mycins and peptins are highly structurally diverse and patchily distributed.
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hal-03831557 , version 1 (27-12-2022)

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Attribution - CC BY 4.0

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Alexandre Bricout, Cindy E. Morris, Charlotte Chandeysson, Matthieu Duban, Corinne Boistel, et al.. The diversity of lipopeptides in the Pseudomonas syringae complex parallels phylogeny and sheds light on structural diversification during evolutionary history. Microbiology Spectrum, 2022, 10 (6), pp.e01456-22. ⟨10.1128/spectrum.01456-22⟩. ⟨hal-03831557⟩
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