Thermodynamics of strecker synthesis in hydrothermal systems

Mitchell Schulte, Everett Shock

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

Submarine hydrothermal systems on the early Earth may have been the sites from which life emerged. The potential for Strecker synthesis to produce biomolecules (amino and hydroxy acids) from starting compounds (ketones, aldehydes, HCN and ammonia) in such environments is evaluated quantitatively using thermodynamic data and parameters for the revised Helgeson-Kirkham-Flowers (HKF) equation of state. Although there is an overwhelming thermodynamic drive to form biomolecules by the Strecker synthesis at hydrothermal conditions, the availability and concentration of starting compounds limit the efficiency and productivity of Strecker reactions. Mechanisms for concentrating reactant compounds could help overcome this problem, but other mechanisms for production of biomolecules may have been required to produce the required compounds on the early Earth. Geochemical constraints imposed by hydrothermal systems provide important clues for determining the potential of these and other systems as sites for the emergence of life.

Original languageEnglish (US)
Pages (from-to)161-173
Number of pages13
JournalOrigins of Life and Evolution of the Biosphere
Volume25
Issue number1-3
DOIs
StatePublished - Jun 1995
Externally publishedYes

Fingerprint

early Earth
hydrothermal systems
hydrothermal system
Thermodynamics
thermodynamics
Hydroxy Acids
synthesis
concentrating
ketone
aldehyde
ketones
Ketones
productivity
aldehydes
Ammonia
equation of state
Aldehydes
availability
amino acids
ammonia

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Agricultural and Biological Sciences (miscellaneous)
  • Earth and Planetary Sciences(all)
  • Environmental Science(all)

Cite this

Thermodynamics of strecker synthesis in hydrothermal systems. / Schulte, Mitchell; Shock, Everett.

In: Origins of Life and Evolution of the Biosphere, Vol. 25, No. 1-3, 06.1995, p. 161-173.

Research output: Contribution to journalArticle

@article{a8a3a39f95864b4ca865b71bd1169bf0,
title = "Thermodynamics of strecker synthesis in hydrothermal systems",
abstract = "Submarine hydrothermal systems on the early Earth may have been the sites from which life emerged. The potential for Strecker synthesis to produce biomolecules (amino and hydroxy acids) from starting compounds (ketones, aldehydes, HCN and ammonia) in such environments is evaluated quantitatively using thermodynamic data and parameters for the revised Helgeson-Kirkham-Flowers (HKF) equation of state. Although there is an overwhelming thermodynamic drive to form biomolecules by the Strecker synthesis at hydrothermal conditions, the availability and concentration of starting compounds limit the efficiency and productivity of Strecker reactions. Mechanisms for concentrating reactant compounds could help overcome this problem, but other mechanisms for production of biomolecules may have been required to produce the required compounds on the early Earth. Geochemical constraints imposed by hydrothermal systems provide important clues for determining the potential of these and other systems as sites for the emergence of life.",
author = "Mitchell Schulte and Everett Shock",
year = "1995",
month = "6",
doi = "10.1007/BF01581580",
language = "English (US)",
volume = "25",
pages = "161--173",
journal = "Origins of Life and Evolution of Biospheres",
issn = "0169-6149",
publisher = "Springer Netherlands",
number = "1-3",

}

TY - JOUR

T1 - Thermodynamics of strecker synthesis in hydrothermal systems

AU - Schulte, Mitchell

AU - Shock, Everett

PY - 1995/6

Y1 - 1995/6

N2 - Submarine hydrothermal systems on the early Earth may have been the sites from which life emerged. The potential for Strecker synthesis to produce biomolecules (amino and hydroxy acids) from starting compounds (ketones, aldehydes, HCN and ammonia) in such environments is evaluated quantitatively using thermodynamic data and parameters for the revised Helgeson-Kirkham-Flowers (HKF) equation of state. Although there is an overwhelming thermodynamic drive to form biomolecules by the Strecker synthesis at hydrothermal conditions, the availability and concentration of starting compounds limit the efficiency and productivity of Strecker reactions. Mechanisms for concentrating reactant compounds could help overcome this problem, but other mechanisms for production of biomolecules may have been required to produce the required compounds on the early Earth. Geochemical constraints imposed by hydrothermal systems provide important clues for determining the potential of these and other systems as sites for the emergence of life.

AB - Submarine hydrothermal systems on the early Earth may have been the sites from which life emerged. The potential for Strecker synthesis to produce biomolecules (amino and hydroxy acids) from starting compounds (ketones, aldehydes, HCN and ammonia) in such environments is evaluated quantitatively using thermodynamic data and parameters for the revised Helgeson-Kirkham-Flowers (HKF) equation of state. Although there is an overwhelming thermodynamic drive to form biomolecules by the Strecker synthesis at hydrothermal conditions, the availability and concentration of starting compounds limit the efficiency and productivity of Strecker reactions. Mechanisms for concentrating reactant compounds could help overcome this problem, but other mechanisms for production of biomolecules may have been required to produce the required compounds on the early Earth. Geochemical constraints imposed by hydrothermal systems provide important clues for determining the potential of these and other systems as sites for the emergence of life.

UR - http://www.scopus.com/inward/record.url?scp=0028974645&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0028974645&partnerID=8YFLogxK

U2 - 10.1007/BF01581580

DO - 10.1007/BF01581580

M3 - Article

VL - 25

SP - 161

EP - 173

JO - Origins of Life and Evolution of Biospheres

JF - Origins of Life and Evolution of Biospheres

SN - 0169-6149

IS - 1-3

ER -