Oxidative Phosphorus Chemistry Perturbed by Minerals.
Arthur Omran1,2, Josh Abbatiello2, Tian Feng2
1Department of Chemistry, University of North Florida, 1 UNF Drive, Jacksonville, FL 32224, USA.
Life (Basel, Switzerland)
|February 25, 2022
Summary
Minerals impact early life chemistry by altering phosphorus oxidation. Some minerals inhibit, while others facilitate, the production of phosphate and pyrophosphate, increasing overall chemical complexity.
Area of Science:
- Prebiotic chemistry
- Origins of life research
- Geochemistry
Background:
- Early life required energy and complex chemical systems.
- Pyrophosphates are crucial molecules for life's origins.
- Prebiotic chemistry evolved in contact with minerals and rocks.
Purpose of the Study:
- To investigate how minerals perturb prebiotic chemical systems.
- To understand mineral influence on phosphorus oxidation pathways.
- To assess the role of minerals in increasing chemical complexity.
Main Methods:
- Studied the oxidation of reduced phosphorus sources (hypophosphite, phosphite).
- Examined the effects of various minerals on these reactions.
- Analyzed the production of oxidized phosphorus species, including phosphate and pyrophosphate.
Main Results:
- Minerals can inhibit or facilitate the oxidation of reduced phosphorus.
- Specific minerals promoted the production of phosphate.
- Other minerals were found to facilitate pyrophosphate production.
Conclusions:
- Mineral-rock interactions significantly influence prebiotic phosphorus chemistry.
- Mineral perturbations can increase the complexity of early chemical systems.
- This study highlights the interplay between geology and the origin of life.
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