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 …
Extraterrestrial ribose and other sugars in primitive meteorites
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 …
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
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 …
space. Molecules are seen in environments that span a wide range of physical and chemical …
Chemistry of abiotic nucleotide synthesis
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 …
prebiotic origins on early earth is a continuing challenge. How did (or how can) the …
Nucleobase synthesis in interstellar ices
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 …
clouds, is the focus of a long-standing debate regarding prebiotic chemical evolution. Here …
LIDA: the Leiden ice database for astrochemistry
Context. High-quality vibrational spectra of solid-phase molecules in ice mixtures and for
temperatures of astrophysical relevance are needed to interpret infrared observations …
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 …
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 …
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 …
cores has sparked interest in the fields of astrochemistry and astrobiology, yet the …