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Article Dans Une Revue PLoS ONE Année : 2014

Characterization of Membrane Lipidome Changes in Pseudomonas aeruginosa during Biofilm Growth on Glass Wool

Résumé

Bacteria cells within biofilms are physiologically distinct from their planktonic counterparts. In particular they are more resistant to detrimental environmental conditions. In this study, we monitored the evolution of the phospholipid composition of the inner and outer membranes of P. aeruginosa during the biofilm formation (i.e., from 1-, 2-, to 6-day-old biofilm). Lipidome analyses were performed by electrospray ionization mass spectrometry. In addition to the lipidomic analysis, the fatty acid composition was analysed by gas chromatography/mass spectrometry. We found that the lipidome alterations of the inner and the outer membranes varied with the biofilm age. These alterations in phospholipid compositions reflect a higher diversity in sessile organisms than in planktonic counterparts. The diversity is characterized by the presence of
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Dates et versions

hal-02326850 , version 1 (08-12-2020)

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Hayette Benamara, Christophe Rihouey, Imen Abbes, Mohamed Amine Ben Mlouka, Julie Hardouin, et al.. Characterization of Membrane Lipidome Changes in Pseudomonas aeruginosa during Biofilm Growth on Glass Wool. PLoS ONE, 2014, 9 (9), pp.e108478. ⟨10.1371/journal.pone.0108478⟩. ⟨hal-02326850⟩
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