Homochirality in Life: Two Equal Runners, One Tripped

Details Homochirality in Life: Two Equal Runners, One Tripped Homochirality in Life: Two Equal Runners, One Tripped

Feb 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010oleb...40..111g&link_type=abstract

Origins of Life and Evolution of Biospheres, Volume 40, Issue 1, pp.111-118

Mathematics

Logic

2

Polymers, Racemic Homochiral Life, Chirality, Origin Of Life, Origin Of Biological Homochirality

Scientific paper

Strong arguments can be found in the literature addressed to the question of the origin of homochirality in life, supporting the hypothesis that primordial life could have evolved in both homochiral forms and that early on when life was still rarely found, random events led to the survival of only one of these living mirror images. This proposal is an alternative to the generally accepted view that small enantiomeric excesses of biologically important molecules were amplified to homochirality prior to life’s origin. Acceptance of the possibility of “two equal runners” leads to the importance of research investigations on routes to formation of ensembles of racemic mixtures of isotactic biologically interesting polymers, supramolecular entities and aggregates.

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