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Possible chemical and physical scenarios towards biological homochirality
The single chirality of biological molecules in terrestrial biology raises more questions than
certitudes about its origin. The emergence of biological homochirality (BH) and its …
certitudes about its origin. The emergence of biological homochirality (BH) and its …
The search for chiral asymmetry as a potential biosignature in our solar system
The search for evidence of extraterrestrial life in our Solar System is currently guided by our
understanding of terrestrial biology and its associated biosignatures. The observed …
understanding of terrestrial biology and its associated biosignatures. The observed …
Crystalline architectures as templates of relevance to the origins of homochirality
I Weissbuch, M Lahav - Chemical Reviews, 2011 - ACS Publications
From the days of Biot1 and Pasteur, 2 when it was recognized that biopolymers are
composed from residues of a single handedness, scientists were puzzled as to the ancestry …
composed from residues of a single handedness, scientists were puzzled as to the ancestry …
On the origin of single chirality of amino acids and sugars in biogenesis
The process of delineating the origins of the chemistry of life starts with the consideration of
the molecules that might have existed on prebiotic earth and extends to the discussion of …
the molecules that might have existed on prebiotic earth and extends to the discussion of …
Oxazolone mediated peptide chain extension and homochirality in aqueous microdroplets
Peptide formation from amino acids is thermodynamically unfavorable but a recent study
provided evidence that the reaction occurs at the air/solution interfaces of aqueous …
provided evidence that the reaction occurs at the air/solution interfaces of aqueous …
Prebiotic access to enantioenriched amino acids via peptide-mediated transamination reactions
The kinetic resolution of racemic amino acids mediated by dipeptides and pyridoxal
provides a prebiotically plausible route to enantioenriched proteinogenic amino acids. The …
provides a prebiotically plausible route to enantioenriched proteinogenic amino acids. The …
The origin of biological homochirality
DG Blackmond - cold spring harbor perspectives in …, 2019 - cshperspectives.cshlp.org
The fact that sugars, amino acids, and the biological polymers they construct exist
exclusively in one of two possible mirror-image forms has fascinated scientists and laymen …
exclusively in one of two possible mirror-image forms has fascinated scientists and laymen …
L-amino acids catalyze the formation of an excess of D-glyceraldehyde, and thus of other D sugars, under credible prebiotic conditions
R Breslow, ZL Cheng - Proceedings of the National Academy of Sciences, 2010 - pnas.org
Previous work by us, and others, has shown that the formation of amino acids on prebiotic
earth with the geometric arrangement called the L configuration can be understood. Some …
earth with the geometric arrangement called the L configuration can be understood. Some …
On the origin of terrestrial homochirality for nucleosides and amino acids
R Breslow, ZL Cheng - Proceedings of the National Academy of Sciences, 2009 - pnas.org
Before life could start on earth, it was important that the amino acid building blocks be
present in a predominant handedness called the L configuration and that the ribose of RNA …
present in a predominant handedness called the L configuration and that the ribose of RNA …
Uncovering the chiral bias of meteoritic isovaline through asymmetric photochemistry
Systematic enrichments of l-amino acids in meteorites is a strong indication that biological
homochirality originated beyond Earth. Although still unresolved, stellar UV circularly …
homochirality originated beyond Earth. Although still unresolved, stellar UV circularly …