Verlagslink DOI: 10.1007/s11084-005-5009-1
Titel: Ice and the origin of life
Sprache: English
Autor/Autorin: Trinks, Hauke 
Schröder, Wolfgang 
Biebricher, Christof 
Schlagwörter: Sea ice;replication;RNA world;poly(A);prebiotic chemistry;ribozymes
Erscheinungsdatum: 2005
Verlag: Springer
Quellenangabe: Origins of Life and Evolution of Biospheres (2005) 35: 429–445
Zeitschrift oder Schriftenreihe: Origins of life and evolution of biospheres 
Zusammenfassung (englisch): Sea ice occurs abundantly at the polar caps of the Earth and, probably, of many other planets. Its static and dynamic properties that may be important for prebiotic and early biotic reactions are described. It concentrates substrates and has many features that are important for catalytical actions. We propose that it provided optimal conditions for the early replication of nucleic acids and the RNA world. We repeated a famous prebiotic experiment, the poly-uridylic acid-instructed synthesis of polyadenylic acid from adenylic acid imidazolides in artificial sea ice, simulating the dynamic variability of real sea ice by cyclic temperature variation. Poly(A) was obtained in high yield and reached nucleotide chain lengths up to 400 containing predominantly 3' → 5' linkages.
URI: http://tubdok.tub.tuhh.de/handle/11420/203
DOI: 10.15480/882.201
ISSN: 0169-6149
Dokumenttyp: (wissenschaftlicher) Artikel
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