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Origins of Life: First Came Evolutionary Dynamics

Overview
Journal QRB Discov
Specialty Biophysics
Date 2023 Aug 2
PMID 37529034
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Abstract

When life arose from prebiotic molecules 3.5 billion years ago, what came first? Informational molecules (RNA, DNA), functional ones (proteins), or something else? We argue here for a different logic: rather than seeking a , we seek a Biology required an ability to evolve before it could choose and optimise materials. We hypothesise that the was rooted in the Modelling shows how short random peptides can collapse in water and catalyse the elongation of others, powering both increased folding stability and emergent autocatalysis through a disorder-to-order process.

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