Possible chemical and physical scenarios towards biological homochirality

Q Sallembien, L Bouteiller, J Crassous… - Chemical Society …, 2022 - pubs.rsc.org
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 …

The search for chiral asymmetry as a potential biosignature in our solar system

DP Glavin, AS Burton, JE Elsila, JC Aponte… - Chemical …, 2019 - ACS Publications
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 …

Extraterrestrial ribose and other sugars in primitive meteorites

Y Furukawa, Y Chikaraishi… - Proceedings of the …, 2019 - National Acad Sciences
Sugars are essential molecules for all terrestrial biota working in many biological processes.
Ribose is particularly essential as a building block of RNA, which could have both stored …

Prebiotic astrochemistry and the formation of molecules of astrobiological interest in interstellar clouds and protostellar disks

SA Sandford, M Nuevo, PP Bera, TJ Lee - Chemical reviews, 2020 - ACS Publications
Despite the generally hostile nature of the environments involved, chemistry does occur in
space. Molecules are seen in environments that span a wide range of physical and chemical …

Chemistry of abiotic nucleotide synthesis

M Yadav, R Kumar, R Krishnamurthy - Chemical reviews, 2020 - ACS Publications
The chemistry of abiotic nucleotide synthesis of RNA and DNA in the context of their
prebiotic origins on early earth is a continuing challenge. How did (or how can) the …

Nucleobase synthesis in interstellar ices

Y Oba, Y Takano, H Naraoka, N Watanabe… - Nature …, 2019 - nature.com
The synthesis of nucleobases in natural environments, especially in interstellar molecular
clouds, is the focus of a long-standing debate regarding prebiotic chemical evolution. Here …

LIDA: the Leiden ice database for astrochemistry

WRM Rocha, MG Rachid, B Olsthoorn… - Astronomy & …, 2022 - aanda.org
Context. High-quality vibrational spectra of solid-phase molecules in ice mixtures and for
temperatures of astrophysical relevance are needed to interpret infrared observations …

Mineral-mediated carbohydrate synthesis by mechanical forces in a primordial geochemical setting

M Haas, S Lamour, SB Christ, O Trapp - Communications Chemistry, 2020 - nature.com
The formation of carbohydrates represents an essential step to provide building blocks and
a source of chemical energy in several models for the emergence of life. Formaldehyde …

Direct prebiotic pathway to DNA nucleosides

JS Teichert, FM Kruse, O Trapp - Angewandte Chemie, 2019 - Wiley Online Library
It is assumed that RNA played a key role in the origin of life, and the transition to more
complex but more stable DNA for continuous information storage and replication requires …

Prevalence of complex organic molecules in starless and prestellar cores within the taurus molecular cloud

S Scibelli, Y Shirley - The Astrophysical Journal, 2020 - iopscience.iop.org
The detection of complex organic molecules (COMs) toward dense, collapsing prestellar
cores has sparked interest in the fields of astrochemistry and astrobiology, yet the …