The influence of different potassium and sodium ion concentrations on the rate of abiogenic peptide synthesis

M. V. Dubina, S. Yu Vyazmin, V. M. Boitsov, E. N. Nikolaev, I. A. Popov, A. S. Kononikhin, I. E. Eliseev, Yu V. Natochin

Research output: Contribution to journalArticleResearchpeer-review

Abstract

The physicochemical conditions of the aqueous environment at the dawn of biological evolution were of key importance for abiogenic peptide synthesis. Recently, we have shown theoretical and experimental evidence for the unique role of potassium ions in the exponential acceleration of undirected peptide synthesis from L-glutamic acid. These data have confirmed our previous hypothesis that the first protocell emerged in a potassium rather than sodium-rich aqueous solution (seawater). The present work provides experimental data for an interpretation of concentration dependence and of optimal effective concentration of potassium and sodium ions in L-glutamic acid peptide formation.

Original languageEnglish
Pages (from-to)339-344
Number of pages6
JournalPaleontological Journal
Volume48
Issue number4
DOIs
StatePublished - 1 Jan 2014

Keywords

  • abiogenic peptide synthesis
  • ion concentration
  • origin of life
  • potassium
  • sodium

Scopus subject areas

  • Paleontology

Cite this

Dubina, M. V. ; Vyazmin, S. Yu ; Boitsov, V. M. ; Nikolaev, E. N. ; Popov, I. A. ; Kononikhin, A. S. ; Eliseev, I. E. ; Natochin, Yu V. / The influence of different potassium and sodium ion concentrations on the rate of abiogenic peptide synthesis. In: Paleontological Journal. 2014 ; Vol. 48, No. 4. pp. 339-344.
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The influence of different potassium and sodium ion concentrations on the rate of abiogenic peptide synthesis. / Dubina, M. V.; Vyazmin, S. Yu; Boitsov, V. M.; Nikolaev, E. N.; Popov, I. A.; Kononikhin, A. S.; Eliseev, I. E.; Natochin, Yu V.

In: Paleontological Journal, Vol. 48, No. 4, 01.01.2014, p. 339-344.

Research output: Contribution to journalArticleResearchpeer-review

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T1 - The influence of different potassium and sodium ion concentrations on the rate of abiogenic peptide synthesis

AU - Dubina, M. V.

AU - Vyazmin, S. Yu

AU - Boitsov, V. M.

AU - Nikolaev, E. N.

AU - Popov, I. A.

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AB - The physicochemical conditions of the aqueous environment at the dawn of biological evolution were of key importance for abiogenic peptide synthesis. Recently, we have shown theoretical and experimental evidence for the unique role of potassium ions in the exponential acceleration of undirected peptide synthesis from L-glutamic acid. These data have confirmed our previous hypothesis that the first protocell emerged in a potassium rather than sodium-rich aqueous solution (seawater). The present work provides experimental data for an interpretation of concentration dependence and of optimal effective concentration of potassium and sodium ions in L-glutamic acid peptide formation.

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