The hot spring hypothesis for an origin of life

B Damer, D Deamer - Astrobiology, 2020 - liebertpub.com
We present a testable hypothesis related to an origin of life on land in which fluctuating
volcanic hot spring pools play a central role. The hypothesis is based on experimental …

Nonenzymatic metabolic reactions and life's origins

KB Muchowska, SJ Varma, J Moran - Chemical Reviews, 2020 - ACS Publications
Prebiotic chemistry aims to explain how the biochemistry of life as we know it came to be.
Most efforts in this area have focused on provisioning compounds of importance to life by …

[HTML][HTML] A prebiotically plausible scenario of an RNA–peptide world

F Müller, L Escobar, F Xu, E Węgrzyn, M Nainytė… - Nature, 2022 - nature.com
The RNA world concept is one of the most fundamental pillars of the origin of life theory,–. It
predicts that life evolved from increasingly complex self-replicating RNA molecules,,. The …

Prebiotic peptides: Molecular hubs in the origin of life

M Frenkel-Pinter, M Samanta, G Ashkenasy… - Chemical …, 2020 - ACS Publications
The fundamental roles that peptides and proteins play in today's biology makes it almost
indisputable that peptides were key players in the origin of life. Insofar as it is appropriate to …

Origin of life: protoribosome forms peptide bonds and links RNA and protein dominated worlds

T Bose, G Fridkin, C Davidovich, M Krupkin… - Nucleic acids …, 2022 - academic.oup.com
Although the mode of action of the ribosomes, the multi-component universal effective
protein-synthesis organelles, has been thoroughly explored, their mere appearance …

[HTML][HTML] Biological phase separation: cell biology meets biophysics

T Yoshizawa, RS Nozawa, TZ Jia, T Saio, E Mori - Biophysical reviews, 2020 - Springer
Progress in development of biophysical analytic approaches has recently crossed paths with
macromolecule condensates in cells. These cell condensates, typically termed liquid-like …

Root of the tree: the significance, evolution, and origins of the ribosome

JC Bowman, AS Petrov, M Frenkel-Pinter… - Chemical …, 2020 - ACS Publications
The ribosome is an ancient molecular fossil that provides a telescope to the origins of life.
Made from RNA and protein, the ribosome translates mRNA to coded protein in all living …

Redox and pH gradients drive amino acid synthesis in iron oxyhydroxide mineral systems

LM Barge, E Flores, MM Baum… - Proceedings of the …, 2019 - National Acad Sciences
Iron oxyhydroxide minerals, known to be chemically reactive and significant for elemental
cycling, are thought to have been abundant in early-Earth seawater, sediments, and …

[HTML][HTML] Thioesters provide a plausible prebiotic path to proto-peptides

M Frenkel-Pinter, M Bouza, FM Fernández… - Nature …, 2022 - nature.com
It is widely assumed that the condensation of building blocks into oligomers and polymers
was important in the origins of life. High activation energies, unfavorable thermodynamics …

Peptides before and during the nucleotide world: An origins story emphasizing cooperation between proteins and nucleic acids

SD Fried, K Fujishima, M Makarov… - Journal of the …, 2022 - royalsocietypublishing.org
Recent developments in Origins of Life research have focused on substantiating the
narrative of an abiotic emergence of nucleic acids from organic molecules of low molecular …