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Final published version
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 structurally related sugar molecules such as arabinose, xylose, and lyxose in the room-temperature organic residues of photo-processed interstellar ice analogs initially composed of H2O, CH3OH, and NH3. Our results suggest that the generation of numerous sugar molecules, including the aldopentose ribose, may be possible from photochemical and thermal treatment of cosmic ices in the late stages of the solar nebula. Our detection of ribose provides plausible insights into the chemical processes that could lead to formation of biologically relevant molecules in suitable planetary environments.
Original language | English |
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Journal | Science |
Volume | 352 |
Issue | 6282 |
Pages (from-to) | 208-212 |
Number of pages | 5 |
ISSN | 0036-8075 |
DOIs | |
Publication status | Published - 8 Apr 2016 |
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ID: 101949442