Genetics first or metabolism first? The formamide clue

R Saladino, G Botta, S Pino, G Costanzo… - Chemical Society …, 2012 - pubs.rsc.org
Life is made of the intimate interaction of metabolism and genetics, both built around the
chemistry of the most common elements of the Universe (hydrogen, oxygen, nitrogen, and …

Emergence of the first catalytic oligonucleotides in a formamide‐based origin scenario

JE Šponer, J Šponer, O Nováková… - … A European Journal, 2016 - Wiley Online Library
Abstract 50 years after the historical Miller–Urey experiment, the formamide‐based scenario
is perhaps the most powerful concurrent hypothesis for the origin of life on our planet …

Origin of first cells at terrestrial, anoxic geothermal fields

AY Mulkidjanian, AY Bychkov, DV Dibrova… - Proceedings of the …, 2012 - pnas.org
All cells contain much more potassium, phosphate, and transition metals than modern (or
reconstructed primeval) oceans, lakes, or rivers. Cells maintain ion gradients by using …

Nucleoside phosphorylation by phosphate minerals

G Costanzo, R Saladino, C Crestini, F Ciciriello… - Journal of biological …, 2007 - jbc.org
In the presence of formamide, crystal phosphate minerals may act as phosphate donors to
nucleosides, yielding both 5′-and, to a lesser extent, 3′-phosphorylated forms. With the …

Generation of long RNA chains in water

G Costanzo, S Pino, F Ciciriello, E Di Mauro - Journal of Biological …, 2009 - jbc.org
The synthesis of RNA chains from 3′, 5′-cAMP and 3′, 5′-cGMP was observed. The
RNA chains formed in water, at moderate temperatures (40–90° C), in the absence of …

Formamide chemistry and the origin of informational polymers

R Saladino, C Crestini, F Ciciriello… - Chemistry & …, 2007 - Wiley Online Library
Formamide (HCONH2) provides a chemical frame potentially affording all the monomeric
components necessary for the formation of nucleic polymers. In the presence of the …

[HTML][HTML] Chemomimesis and molecular Darwinism in action: from abiotic generation of nucleobases to nucleosides and RNA

R Saladino, JE Šponer, J Šponer, G Costanzo, S Pino… - Life, 2018 - mdpi.com
Molecular Darwinian evolution is an intrinsic property of reacting pools of molecules
resulting in the adaptation of the system to changing conditions. It has no a priori aim. From …

Formamide as the main building block in the origin of nucleic acids

G Costanzo, R Saladino, C Crestini, F Ciciriello… - BMC Evolutionary …, 2007 - Springer
The simplest molecules grou** the four most common elements of the universe H, C, O
and N (with the exception of the biologically inert He) are isocyanate HNCO and formamide …

Synthesis and degradation of nucleic acid components by formamide and iron sulfur minerals

R Saladino, V Neri, C Crestini, G Costanzo… - Journal of the …, 2008 - ACS Publications
We describe the one-pot synthesis of a large panel of nucleic bases and related compounds
from formamide in the presence of iron sulfur and iron− copper sulfur minerals as catalysts …

[HTML][HTML] Prebiotic organic chemistry of formamide and the origin of life in planetary conditions: What we know and what is the future

BM Bizzarri, R Saladino, I Delfino… - International Journal of …, 2021 - mdpi.com
The goal of prebiotic chemistry is the depiction of molecular evolution events preceding the
emergence of life on Earth or elsewhere in the cosmos. Plausible experimental models …