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10:10 to 10:40
Patrick Forterre
Manipulation of cell synthesis and the nature of viruses : are viruses alive ?
Patrick Forterre
Manipulation of cell synthesis and the nature of viruses : are viruses alive ?
Symposium
Event
12:00 to 12:30
Event
09:20 to 09:40
Event
The study of the origins of life on Earth is confronted with the crucial question of the transition 0 from complex prebiotic chemistry to simple biology corresponding to the first Darwinian evolutionary assemblages. The discovery of plausible pathways …
11:00 to 12:00
Marc Fontecave
Biosynthesis of DNA precursors in aerobic organisms : iron, oxygen and free radicals
Marc Fontecave
Biosynthesis of DNA precursors in aerobic organisms : iron, oxygen and free radicals
Lecture
Event
In aerobic organisms, from Escherichia coli to humans, deoxyribonucleotides are synthesized from the corresponding ribonucleotides in a reaction catalyzed by class I RNR (ribonucleotide reductase). The same enzyme is responsible for the synthesis of the …
10:00 to 11:00
Event
15:30 to 16:30
Event
Abstract The first lesson was devoted first to a review of the basic principles of radiofrequency electrical measurements in mesoscopic physics. To perform such a measurement, a probe signal is sent to a sample and a response signal is received. The …
09:30 to 10:30
Event
Documents and media Download support …
15:00 to 16:00
Event
Documents and media Download support Download Abstract Download David Pointcheval's biography …
11:00 to 12:00
Event
Antigone Gonatas and Athens towards the end of the reign : establishment of a royal cult. The city in Demetrios II's conflict with the Etolian and Achaean leagues. The contribution of Attic documentation to the history of the so-called Demetriac …
09:45 to 10:45
Event
11:00 to 12:00
Event
Advances in molecular biology and comparative genomics over the last twenty years have raised evolutionary problems that can only be tackled by partly speculative approaches. The aim is to produce evolutionary scenarios of varying degrees of credibility, …
11:00 to 12:00
Event
In this first lesson, we discussed the various arguments underlying the hypothesis, now widely accepted, of a primitive RNA world, in which the activities of supporting genetic information and catalysis are carried out exclusively by RNA molecules. If the …
10:00 to 11:00
Event
15:30 to 16:30