Ether-linked lipids of Dermabacter hominis, a human skin actinobacterium

Valero-Guillén PL, Fernández-Natal I, Marrodán-Ciordia T, Tauch A, Soriano F (2016)
Chemistry and Physics of Lipids 196: 24-32.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Autor*in
Valero-Guillén, Pedro L.; Fernández-Natal, Isabel; Marrodán-Ciordia, Teresa; Tauch, AndreasUniBi; Soriano, Francisco
Abstract / Bemerkung
Dermabacter hominis is a medically important actinobacterial inhabitant of human skin, although it is rarely implicated in infections. The lipid composition of D. hominis is revisited in this study in the context of its natural resistance to daptomycin, an antibiotic whose activity is influenced by membrane lipids. Thin layer chromatography and mass spectrometry revealed that this species contains phospholipids and glycolipids. Using electrospray ionization time of flight mass spectrometry (exact mass) and gas chromatography-mass spectrometry, the major phospholipid of D. hominis was identified as plasmanyl-phosphatidylglycerol (pPG), because it presented one alkyl chain and one acyl chain in the glycerol moiety of the molecule. The structure of the major glycolipid (GL1) was studied by combined gas-liquid chromatography, mass spectrometry and nuclear magnetic resonance, and was established as galactosyl-alpha-(12)-glucosyl-alkyl-acyl-glycerol. Lipid analyses showed differences between one daptomycin-resistant (DAP-R) strain and one daptomycin-sensitive (DAP-S) strain growing in the presence of the antibiotic: DAP-R tended to accumulate GL1 and to reduce pPG, whereas DAP-S maintained high proportions of pPG. The results demonstrate the existence of ether-linked lipids in D. hominis and reveal a differential distribution of phospholipids and glycolipids according to the sensitivity or resistance to daptomycin, although the mechanism(s) operating in the resistance to the antibiotic remain(s) to be elucidated. Copyright 2016 Elsevier Ireland Ltd. All rights reserved.
Stichworte
Daptomycin; Dermabacter hominis; Ether-linked lipid; Galactosyl-glucosyl-alkyl-acyl-glycerol; Plasmanyl-phosphatidylglycerol
Erscheinungsjahr
2016
Zeitschriftentitel
Chemistry and Physics of Lipids
Band
196
Seite(n)
24-32
ISSN
0009-3084
eISSN
1873-2941
Page URI
https://pub.uni-bielefeld.de/record/2902951

Zitieren

Valero-Guillén PL, Fernández-Natal I, Marrodán-Ciordia T, Tauch A, Soriano F. Ether-linked lipids of Dermabacter hominis, a human skin actinobacterium. Chemistry and Physics of Lipids. 2016;196:24-32.
Valero-Guillén, P. L., Fernández-Natal, I., Marrodán-Ciordia, T., Tauch, A., & Soriano, F. (2016). Ether-linked lipids of Dermabacter hominis, a human skin actinobacterium. Chemistry and Physics of Lipids, 196, 24-32. doi:10.1016/j.chemphyslip.2016.02.002
Valero-Guillén, P. L., Fernández-Natal, I., Marrodán-Ciordia, T., Tauch, A., and Soriano, F. (2016). Ether-linked lipids of Dermabacter hominis, a human skin actinobacterium. Chemistry and Physics of Lipids 196, 24-32.
Valero-Guillén, P.L., et al., 2016. Ether-linked lipids of Dermabacter hominis, a human skin actinobacterium. Chemistry and Physics of Lipids, 196, p 24-32.
P.L. Valero-Guillén, et al., “Ether-linked lipids of Dermabacter hominis, a human skin actinobacterium”, Chemistry and Physics of Lipids, vol. 196, 2016, pp. 24-32.
Valero-Guillén, P.L., Fernández-Natal, I., Marrodán-Ciordia, T., Tauch, A., Soriano, F.: Ether-linked lipids of Dermabacter hominis, a human skin actinobacterium. Chemistry and Physics of Lipids. 196, 24-32 (2016).
Valero-Guillén, Pedro L., Fernández-Natal, Isabel, Marrodán-Ciordia, Teresa, Tauch, Andreas, and Soriano, Francisco. “Ether-linked lipids of Dermabacter hominis, a human skin actinobacterium”. Chemistry and Physics of Lipids 196 (2016): 24-32.

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