Pathways for the formation and evolution of peptides in prebiotic environments
α-Amino acids are easily accessible through abiotic processes and were likely present
before the emergence of life. However, the role they could have played in the process …
before the emergence of life. However, the role they could have played in the process …
[HTML][HTML] Earth as a tool for astrobiology—a European perspective
Scientists use the Earth as a tool for astrobiology by analyzing planetary field analogues (ie
terrestrial samples and field sites that resemble planetary bodies in our Solar System). In …
terrestrial samples and field sites that resemble planetary bodies in our Solar System). In …
Ribose and related sugars from ultraviolet irradiation of interstellar ice analogs
Ribose is the central molecular subunit in RNA, but the prebiotic origin of ribose remains
unknown. We observed the formation of substantial quantities of ribose and a diversity of …
unknown. We observed the formation of substantial quantities of ribose and a diversity of …
Evolution of organic matter in Orgueil, Murchison and Renazzo during parent body aqueous alteration: In situ investigations
C Le Guillou, S Bernard, AJ Brearley… - … et Cosmochimica Acta, 2014 - Elsevier
Chondrites accreted the oldest solid materials in the solar system including dust processed
in the protoplanetary disk and diverse organic compounds. After accretion, asteroidal …
in the protoplanetary disk and diverse organic compounds. After accretion, asteroidal …
Shock synthesis of amino acids from impacting cometary and icy planet surface analogues
Comets are known to harbour simple ices and the organic precursors of the building blocks
of proteins—amino acids—that are essential to life. Indeed, glycine, the simplest amino acid …
of proteins—amino acids—that are essential to life. Indeed, glycine, the simplest amino acid …
Aldehydes and sugars from evolved precometary ice analogs: Importance of ices in astrochemical and prebiotic evolution
P de Marcellus, C Meinert… - Proceedings of the …, 2015 - National Acad Sciences
Evolved interstellar ices observed in dense protostellar molecular clouds may arguably be
considered as part of precometary materials that will later fall on primitive telluric planets …
considered as part of precometary materials that will later fall on primitive telluric planets …
Enantiomeric excesses induced in amino acids by ultraviolet circularly polarized light irradiation of extraterrestrial ice analogs: A possible source of asymmetry for …
P Modica, C Meinert, P de Marcellus… - The Astrophysical …, 2014 - iopscience.iop.org
The discovery of meteoritic amino acids with enantiomeric excesses of the l-form (ee L) has
suggested that extraterrestrial organic materials may have contributed to prebiotic chemistry …
suggested that extraterrestrial organic materials may have contributed to prebiotic chemistry …
Abundant extraterrestrial amino acids in the primitive CM carbonaceous chondrite Asuka 12236
DP Glavin, HL McLain, JP Dworkin… - … & Planetary Science, 2020 - Wiley Online Library
Abstract The Asuka (A)‐12236 meteorite has recently been classified as a CM
carbonaceous chondrite of petrologic type 3.0/2.9 and is among the most primitive CM …
carbonaceous chondrite of petrologic type 3.0/2.9 and is among the most primitive CM …
Photonenergy‐controlled symmetry breaking with circularly polarized light
C Meinert, SV Hoffmann, P Cassam‐Chenaï… - Angewandte …, 2014 - Wiley Online Library
Circularly polarized light (CPL) is known to be a true chiral entity capable of generating
absolute molecular asymmetry. However, the degree of inducible optical activity depends on …
absolute molecular asymmetry. However, the degree of inducible optical activity depends on …
[HTML][HTML] Insights into the formation and evolution of extraterrestrial amino acids from the asteroid Ryugu
C Potiszil, T Ota, M Yamanaka, C Sakaguchi… - Nature …, 2023 - nature.com
All life on Earth contains amino acids and carbonaceous chondrite meteorites have been
suggested as their source at the origin of life on Earth. While many meteoritic amino acids …
suggested as their source at the origin of life on Earth. While many meteoritic amino acids …