The membrane regulator squalane increases membrane rigidity under high hydrostatic pressure in archaeal membrane mimics.

Autor:	LoRicco JG; Université de Lyon, INSA Lyon, CNRS, MAP UMR 5240, Villeurbanne, France., Hoffmann I; Institut Laue-Langevin, Grenoble, France. jpeters@ill.fr., Caliò A; Université de Lyon, INSA Lyon, CNRS, MAP UMR 5240, Villeurbanne, France., Peters J; Institut Laue-Langevin, Grenoble, France. jpeters@ill.fr.; Univ. Grenoble Alpes, CNRS, LiPhy, Grenoble, France.; Institut Universitaire de France, 75231 Paris, France.
Jazyk:	angličtina
Zdroj:	Soft matter [Soft Matter] 2023 Aug 23; Vol. 19 (33), pp. 6280-6286. Date of Electronic Publication: 2023 Aug 23.
DOI:	10.1039/d3sm00352c
Abstrakt:	Apolar lipids within the membranes of archaea are thought to play a role in membrane regulation. In this work we explore the effect of the apolar lipid squalane on the dynamics of a model archaeal-like membrane, under pressure, using neutron spin echo spectroscopy. To the best of our knowledge, this is the first report on membrane dynamics at high pressure using NSE spectroscopy. Increasing pressure leads to an increase in membrane rigidity, in agreement with other techniques. The presence of squalane in the membrane results in a stiffer membrane supporting its role as a membrane regulator.
Databáze:	MEDLINE
Externí odkaz:	Zobrazit plný text záznamu