Liquid Crystals and the Origin of Life
Scientists have speculated that life on Earth originated in an “RNA world,” where RNA fulfilled the dual role of carrying genetic information and conducting metabolism before the dawn of DNA or proteins. Indeed, researchers have discovered catalytic RNA strands, or “ribozymes,” in modern genomes. Known ribozymes are about 16-150 nucleotides in length, so how did these sequences assemble in a primordial world without existing ribozymes or proteins? Tommaso Bellini and colleagues wondered if liquid crystals could help guide short RNA precursors to form longer strands.
The authors acknowledge funding from the National Science Foundation Division of Materials Research and the Invernizzi Foundation.
Contacts and sources:
Katie Cottingham, Ph.D.The American Chemical Society
Citation: “Nonenzymatic Polymerization into Long Linear RNA Templated by Liquid Crystal Self-Assembly”
ACS Nano
Source: http://www.ineffableisland.com/2018/10/liquid-crystals-and-origin-of-life.html
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