Role of amphiphilic compounds in the evolution of membrane structure on the early earth

Details Role of amphiphilic compounds in the evolution of membrane structure on the early earth Role of amphiphilic compounds in the evolution of membrane structure on the early earth

Mar 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986orli...17....3d&link_type=abstract

Origins of Life and Evolution of the Biosphere, Volume 17, Issue 1, pp.3-25

Computer Science

11

Scientific paper

A variety of amphiphilic compounds have the capacity to self-assemble into membranous structures in the form of bilayers. The earliest cellular organisms must have incorporated such compounds into boundary membranes, and this review discusses amphiphilic components of the prebiotic environment which would be candidates. One possible source is organic material carried to the earth's surface by meteoritic infall. To test this, we have extracted and analysed non-polar substances from the Murchison carbonaceous chondrite, and found that at least some of the components can produce boundary structures which resemble membranes. This observation suggests that membranous boundary structures were present on the early earth, and available to participate in the origin and evolution of the first cellular forms of life.

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