Cited by 41Lipid Membrane Structure and BehaviorOrigins and Evolution of LifeLipid metabolism and biosynthesis

A tuneable minimal cell membrane reveals that two lipid species suffice for life

Open access
Justice, Isaac, Kiesel, Petra, Safronova, Nataliya, von Appen, Alexander, Saenz, James P.·2024·Nature Communications

Published version of a preprint

Abstract

All cells are encapsulated by a lipid membrane that facilitates their interactions with the environment. How cells manage diverse mixtures of lipids, which dictate membrane property and function, is experimentally challenging to address. Here, we present an approach to tune and minimize membrane lipid composition in the bacterium Mycoplasma mycoides and its derived ‘minimal cell’ (JCVI-Syn3A), revealing that a two-component lipidome can support life. Systematic reintroduction of phospholipids with different features demonstrates that acyl chain diversity is more important for growth than head group diversity. By tuning lipid chirality, we explore the lipid divide between Archaea and the rest of life, showing that ancestral lipidomes could have been heterochiral. However, in these simple organisms, heterochirality leads to impaired cellular fitness. Thus, our approach offers a tunable minimal membrane system to explore the fundamental lipidomic requirements for life, thereby extending the concept of minimal life from the genome to the lipidome.

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Authors
Justice, I., Kiesel, P., Safronova, N., von Appen, A., & Saenz, J. P.
Affiliations
  • Center for Molecular Bioengineering (DE)
  • Max Planck Institute of Molecular Cell Biology and Genetics (DE)
Venue
Nature Communications
Published
2024-11-08
Volume
15
Issue
1
Pages
9679-9679
ISSN
2041-1723 (ISSN-L)
OpenAlex
W4404164400
Cited by
41
References
83
Citations by year
2026: 20 · 2025: 16 · 2024: 4 · 2023: 1
FWCI
5.45
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • PubMed Central (submittedVersion, cc-by)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Bundesministerium für Bildung und Forschung (03Z22EN12)
  • Volkswagen Foundation (93090)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Lipid Membrane Structure and Behavior
  • Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Origins and Evolution of Life
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Lipid metabolism and biosynthesis
Keywords
minimal cell, lipidome, cell membrane composition, Mycoplasma mycoides, phospholipids, lipid head groups, heterochirality, archaea, origin of life

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