Biophysical study of resin acid effects on phospholipid membrane 1 structure and properties

Vivian Jagalski, Robert Barker, Daniel Topgaard, Thomas Günther Pomorski, Björn Hamberger, Marité Cárdenas

Research output: Contribution to journalArticle

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Abstract

Hydrophobic resin acids (RAs) are synthesized by trees as part of their defence mechanisms. One of the functions of RAs in plant defence is suggested to be the perturbation of the cellular membrane. However, there is vast diversity of chemical structure within this class of molecules, and there are no clear correlations to the molecular mechanisms behind the RA’s toxicity. In this study we unravel the molecular interactions of three closely related RAs dehydroabietic acid, neoabietic acid, and the synthetic analogue dichlorodehydroabietic acid with dipalmitoylphosphatidylcholine (DPPC) model membranes and the polar lipid extract of soybeans. The complementarity of the biophysical techniques used (PT ssNMR, DLS, NR, DSC, Cryo-TEM) allowed correlating changes at the vesicle level with changes at the molecular level and the co-localization of RAs within DPPC monolayer. Effects on DPPC membranes are correlated with the physical chemical properties of the RA and their toxicity.
Original languageEnglish
Pages (from-to)2827-2838
Number of pages12
JournalBiochimica et Biophysica Acta - Biomembranes
Volume1858
Issue number11
Early online date17 Aug 2016
DOIs
Publication statusPublished - Nov 2016

Fingerprint

Phospholipids
Resins
Membranes
Acids
1,2-Dipalmitoylphosphatidylcholine
Toxicity
Molecular interactions
Chemical properties
Membrane Lipids
Soybeans
Monolayers
Transmission electron microscopy
Lipids
Molecules

Keywords

  • Resin acids
  • Lipid
  • Toxicity
  • Neutron reflectometry
  • ssNMR
  • DDPC

Cite this

Jagalski, V., Barker, R., Topgaard, D., Günther Pomorski, T., Hamberger, B., & Cárdenas, M. (2016). Biophysical study of resin acid effects on phospholipid membrane 1 structure and properties. Biochimica et Biophysica Acta - Biomembranes, 1858(11), 2827-2838. https://doi.org/10.1016/j.bbamem.2016.08.008
Jagalski, Vivian ; Barker, Robert ; Topgaard, Daniel ; Günther Pomorski, Thomas ; Hamberger, Björn ; Cárdenas, Marité. / Biophysical study of resin acid effects on phospholipid membrane 1 structure and properties. In: Biochimica et Biophysica Acta - Biomembranes. 2016 ; Vol. 1858, No. 11. pp. 2827-2838.
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abstract = "Hydrophobic resin acids (RAs) are synthesized by trees as part of their defence mechanisms. One of the functions of RAs in plant defence is suggested to be the perturbation of the cellular membrane. However, there is vast diversity of chemical structure within this class of molecules, and there are no clear correlations to the molecular mechanisms behind the RA’s toxicity. In this study we unravel the molecular interactions of three closely related RAs dehydroabietic acid, neoabietic acid, and the synthetic analogue dichlorodehydroabietic acid with dipalmitoylphosphatidylcholine (DPPC) model membranes and the polar lipid extract of soybeans. The complementarity of the biophysical techniques used (PT ssNMR, DLS, NR, DSC, Cryo-TEM) allowed correlating changes at the vesicle level with changes at the molecular level and the co-localization of RAs within DPPC monolayer. Effects on DPPC membranes are correlated with the physical chemical properties of the RA and their toxicity.",
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Jagalski, V, Barker, R, Topgaard, D, Günther Pomorski, T, Hamberger, B & Cárdenas, M 2016, 'Biophysical study of resin acid effects on phospholipid membrane 1 structure and properties', Biochimica et Biophysica Acta - Biomembranes, vol. 1858, no. 11, pp. 2827-2838. https://doi.org/10.1016/j.bbamem.2016.08.008

Biophysical study of resin acid effects on phospholipid membrane 1 structure and properties. / Jagalski, Vivian; Barker, Robert; Topgaard, Daniel; Günther Pomorski, Thomas; Hamberger, Björn; Cárdenas, Marité.

In: Biochimica et Biophysica Acta - Biomembranes, Vol. 1858, No. 11, 11.2016, p. 2827-2838.

Research output: Contribution to journalArticle

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