Protocells and RNA self-replication

GF Joyce, JW Szostak - Cold Spring Harbor Perspectives …, 2018 - cshperspectives.cshlp.org
The general notion of an “RNA world” is that, in the early development of life on the Earth,
genetic continuity was assured by the replication of RNA, and RNA molecules were the chief …

Growth, replication and division enable evolution of coacervate protocells

AD Slootbeek, MHI van Haren, IBA Smokers… - Chemical …, 2022 - pubs.rsc.org
Living and proliferating cells undergo repeated cycles of growth, replication and division, all
orchestrated by complex molecular networks. How a minimal cell cycle emerged and helped …

Small-molecule organocatalysis facilitates in situ nucleotide activation and RNA copying

HRM Aitken, TH Wright, A Radakovic… - Journal of the …, 2023 - ACS Publications
A key challenge in origin-of-life research is the identification of plausible conditions that
facilitate multiple steps along the pathway from chemistry to biology. The incompatibility of …

Freeze-thaw cycles enable a prebiotically plausible and continuous pathway from nucleotide activation to nonenzymatic RNA copying

SJ Zhang, D Duzdevich, D Ding… - Proceedings of the …, 2022 - National Acad Sciences
Nonenzymatic template-directed RNA copying using chemically activated nucleotides is
thought to have played a key role in the emergence of genetic information on the early Earth …

The virtual circular genome model for primordial RNA replication

L Zhou, D Ding, JW Szostak - Rna, 2021 - rnajournal.cshlp.org
We propose a model for the replication of primordial protocell genomes that builds upon
recent advances in the nonenzymatic copying of RNA. We suggest that the original …

Copying of mixed-sequence RNA templates inside model protocells

DK O'Flaherty, NP Kamat, FN Mirza, L Li… - Journal of the …, 2018 - ACS Publications
The chemical replication of RNA inside fatty acid vesicles is a plausible step in the
emergence of cellular life. On the primitive Earth, simple protocells with the ability to import …

The mechanism of nonenzymatic template copying with imidazole‐activated nucleotides

T Walton, W Zhang, L Li, CP Tam… - Angewandte Chemie …, 2019 - Wiley Online Library
The emergence of the replication of RNA oligonucleotides was a critical step in the origin of
life. An important model for the study of nonenzymatic template copying, which would be a …

Kinetic explanations for the sequence biases observed in the nonenzymatic copying of RNA templates

D Ding, L Zhou, C Giurgiu… - Nucleic Acids Research, 2022 - academic.oup.com
The identification of nonenzymatic pathways for nucleic acid replication is a key challenge in
understanding the origin of life. We have previously shown that nonenzymatic RNA primer …

Template‐directed copying of RNA by non‐enzymatic ligation

L Zhou, DK O'Flaherty, JW Szostak - Angewandte Chemie, 2020 - Wiley Online Library
The non‐enzymatic replication of the primordial genetic material is thought to have enabled
the evolution of early forms of RNA‐based life. However, the replication of oligonucleotides …

Enhanced nonenzymatic RNA copying with in-situ activation of short oligonucleotides

D Ding, SJ Zhang, JW Szostak - Nucleic Acids Research, 2023 - academic.oup.com
The nonenzymatic copying of RNA is thought to have been necessary for the transition
between prebiotic chemistry and ribozyme-catalyzed RNA replication in the RNA World. We …