Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004iaus..213..315m&link_type=abstract
Bioastronomy 2002: Life Among the Stars, Proceedings of IAU Symposium #213. Edited by R. Norris, and F. Stootman. San Francisco:
Astronomy and Astrophysics
Astronomy
Scientific paper
Molecular biology techniques have enabled us to prepare and select RNA aptamers that can bind specifically to small targets. RNA oligonucleotides can also be used as fluorescent probes. We have combined the two approaches to obtain Aptamer Beacons, in which molecular recognition is linked to the emission of an optical signal. These RNA biosensors could be used to detect directly the signatures of life in samples of mineral and extra-terrestrial material.
Maurel Marie-Christine
Meli Marc
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