DOI > 10.5291/ILL-DATA.9-13-1034

This proposal is publicly available since 06/17/2026

Title

Role of ester versus ether bonds in the hydration and temperature stability of branched chain lipids

Abstract

The lipids found in archaeal membranes differ from those found in bacteria in several ways. One of these differences is the presence of ether rather than ester linkages (typically found in bacterial membranes) between the hydrocarbon tails and the glycerol backbone. Ether bonds are thought to provide an advantage in high temperature environments where many archaea live. In this work we wish to probe the differences in the membrane structure of ester linked lipids, analogous to ether linked archaeal lipids previously characterized, as a function of both hydration and temperature. This will tell us the relative contribution of this type of linkage on membrane parameters and may give insights into the importance of the ether linkage in archaeal lipids.

Experimental Report

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Data Citation

The recommended format for citing this dataset in a research publication is in the following format:

LORICCO Josephine; DALIGAULT Camille; DEME Bruno; Phil Oger and PETERS Judith. (2021). Role of ester versus ether bonds in the hydration and temperature stability of branched chain lipids. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.9-13-1034

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Metadata

Experiment Parameters

  • Environment temperature

    298-343K
  • Experiment energy

    4.5 Å
  • Experiment moment

    0.03 - 0.6 Å-1
  • Experiment res energy

    0.01

Sample Parameters

  • Formula

    • DphPS
    • DPhPC
    • DPhPE