Living nanovesicles - Chemical and physical survival strategies of primordial biosystems

Andrei P. Sommer*, David S. McKay, Neva Ciftcioglu, Uri Oron, Adam R. Mester, E. Olavi Kajander

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

32 Scopus citations


Life on Earth and Mars could have started with self-assembled nanovesicles similar to the present nanobacteria (NB). To resist extreme environmental stress situations and periods of nutritional deprivation, nanovesicles would have had a chemical composition protected by a closed mineralized compartment, facilitating their development in a primordial soup, or other early wet environment. Their survivability would have been enhanced if they had mechanisms for metabolic communication, and an ability to collect primordially available energy forms. Here, we establish an irreducible model system for life formation starting with NB.

Original languageEnglish
Pages (from-to)441-443
Number of pages3
JournalJournal of Proteome Research
Issue number4
StatePublished - Jul 2003


  • Extremophiles
  • Nannobacteria
  • Nanobacteria
  • Nanovesicles
  • Origin of life models


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