Prebiotic Synthesis of Inorganic Pyrophosphate (PPi) Driven by a Geochemical Redox Reaction

by Atida Nasufovska
Doctoral thesis
Date of Examination:2021-09-10
Date of issue:2021-10-21
Advisor:Prof. Dr. Ulf Diederichsen
Referee:Prof. Dr. Ulf Diederichsen
Referee:Prof. Dr. Hans-Joachim Fritz
Persistent Address: http://dx.doi.org/10.53846/goediss-8897

 

 

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Abstract

English

In all extant organisms adenosine triphosphate (ATP) is the energy carrier and transmitter of free energy from exergonic to endergonic processes. Since ATP is a complex molecule, it was unlikely available on prebiotic Earth. Proposed pyrophosphate (PPi) with energy-rich phosphoanhydride bond was considered as plausible energy-source on early Earth. In this thesis, a synthesis of PPi under prebiotic conditions is indicated by condensation of orthophosphate (Pi) in aqueous solution. Furthermore, attempts were made towards synthesizing a peptidic minimal model of the active site A-Cluster in acetyl CoA synthase (ACS), which is a key enzyme in combination with carbon monoxide dehydrogenase (CODH) in ancient WOOD-LJUNGDAHL pathway.
Keywords: Prebiotic Chemistry; Prebiotic Chemistry
Schlagwörter: Origin of Life; Origin of Life
 
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