DOI > 10.5291/ILL-DATA.8-02-762

This proposal is publicly available since 12/05/2021

Title

Investigating the ultrastructure of an archaeal membrane containing apolar structural lipids

Abstract

The main objective of this project is to test experimentally the validity of a novel membrane model proposed to explain the composition and stability of the membranes of the hyperthemophilic archaea Thermococcus barophilus. This model proposes that apolar lipid molecules populate the midplane of the membrane bilayer, increasing membrane rigidity, impermeability and temperature resistance. We will reconstruct archaeal membranes in presence or absence of apolar lipids and determine the impact of apolar lipids on the membrane ultrastructure and characterize the impact of the intraplanar lipids layer on the specific physico-chemical characteristics of the membrane.

Experimental Report

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Data Citation

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

Phil Oger; DEME Bruno; GOLUB Maksym; PETERS Judith; SALVADOR CASTELL Marta; TOURTE Maxime and ZELLER Dominik. (2016). Investigating the ultrastructure of an archaeal membrane containing apolar structural lipids. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.8-02-762

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Metadata

Experiment Parameters

  • Environment temperature

    room temperature
  • Experiment res energy

    4.5 A

Sample Parameters

  • Formula

    • deuteurated squalane
    • 1,2- di-O-phytanyl-sn-glycerol
    • squalane
    • 1,2-di-O-phytanyl-sn-glycero-3-phosphocholine