Deoxyribose and deoxysugar derivatives from photoprocessed astrophysical ice analogues and comparison to meteorites.

ABSTRACT: Sugars and their derivatives are essential to all terrestrial life. Their presence in meteorites, together with amino acids, nucleobases, amphiphiles, and other compounds of biological importance, may have contributed to the inventory of organics that played a role in the emergence of life on Earth. Sugars, including ribose (the sugar of RNA), and other sugar derivatives have been identified in laboratory experiments simulating photoprocessing of ices under astrophysical conditions. In this work, we report the detection of 2-deoxyribose (the sugar of DNA) and several deoxysugar derivatives in residues produced from the ultraviolet irradiation of ice mixtures consisting of H₂O and CH₃OH. The detection of deoxysugar derivatives adds to the inventory of compounds of biol

SUBMITTER: Nuevo M 

PROVIDER: S-EPMC6299135 | biostudies-literature | 2018 Dec

REPOSITORIES: biostudies-literature