Origin and Evolution of Life. Electric discharges can generate organic molecules.

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Origin and Evolution of Life

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Transcript of Origin and Evolution of Life. Electric discharges can generate organic molecules.

Page 1: Origin and Evolution of Life. Electric discharges can generate organic molecules.

Origin and Evolution of Life

Page 2: Origin and Evolution of Life. Electric discharges can generate organic molecules.
Page 3: Origin and Evolution of Life. Electric discharges can generate organic molecules.

Electric discharges can generate organic molecules

Page 4: Origin and Evolution of Life. Electric discharges can generate organic molecules.
Page 5: Origin and Evolution of Life. Electric discharges can generate organic molecules.
Page 6: Origin and Evolution of Life. Electric discharges can generate organic molecules.

The Murchisonmeteorite containsorganic moleculese.g. D- and L-amino acids

Page 7: Origin and Evolution of Life. Electric discharges can generate organic molecules.

Ribozymes and introns may be relics of an RNA world

Peptide bond formation in ribosomes

Page 8: Origin and Evolution of Life. Electric discharges can generate organic molecules.

Directed evolution:Artificial RNAs can polymerize ribonucleotides in vitro

Page 9: Origin and Evolution of Life. Electric discharges can generate organic molecules.

Primordial replicases:RNAs may catalyze its own replication

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A putative RNA replicase cycle

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No Darwinian evolution outside of compartments

Page 12: Origin and Evolution of Life. Electric discharges can generate organic molecules.

Compartmentalization may lead to accumulationof improved RNA replicases

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Page 14: Origin and Evolution of Life. Electric discharges can generate organic molecules.

A synthetic minimal genome

Page 15: Origin and Evolution of Life. Electric discharges can generate organic molecules.

Living bacteria that harbor a synthetic minimal genome


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8. Evaluation of Discharges

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