NDLI: Phosphorus: a Case for Mineral-Organic Reactions in Prebiotic Chemistry

Content Provider	Springer Nature Link
Author	Pasek, Matthew Herschy, Barry Kee, Terence P.
Copyright Year	2015
Abstract	The ubiquity of phosphorus (P) in modern biochemistry suggests that P may have participated in prebiotic chemistry prior to the emergence of life. Of the major biogenic elements, phosphorus alone lacks a substantial volatile phase and its ultimate source therefore had to have been a mineral. However, as most native P minerals are chemically un-reactive within the temperature-pressure-pH regimes of contemporary life, it begs the question as to whether the most primitive early living systems on earth had access to a more chemically reactive P-mineral inventory. The meteoritic mineral schreibersite has been proposed as an important source of reactive P on the early earth. The chemistry of schreibersite as a P source is summarized and reviewed here. Recent work has also shown that reduced oxidation state P compounds were present on the early earth; these compounds lend credence to the relevance of schreibersite as a prebiotic mineral. Ultimately, schreibersite will oxidize to phosphate, but several high-energy P intermediates may have provided the reactive material necessary for incorporating P into prebiotic molecules.
Starting Page	207
Ending Page	218
Page Count	12
File Format	PDF
ISSN	01696149
Journal	Origins of Life and Evolution of Biospheres
Volume Number	45
Issue Number	1-2
e-ISSN	15730875
Language	English
Publisher	Springer Netherlands
Publisher Date	2015-03-14
Publisher Place	Dordrecht
Access Restriction	Subscribed
Subject Keyword	Phosphorus Prebiotic Schreibersite Surface chemistry Radical reactions Phosphorylation Life Sciences Astrophysics and Astroparticles Earth Sciences Astronomy, Observations and Techniques Biochemistry
Content Type	Text
Resource Type	Article
Subject	Medicine Ecology, Evolution, Behavior and Systematics Space and Planetary Science

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