Summary #856

Lab-made primordial soup yields RNA bases

nature.com
  • For the first time, chemists demonstrate the reaction that could’ve led to the formation of nucleobases that were the building blocks of RNA.
  • The reaction created adenine, uracil, cytosine and guanine from water and nitrogen, in conditions similar to early Earth.
  • This experiment supports the theory that life began from self-replicating, RNA-based genes, which only later started being stored in DNA.
  • It also shows that appearance of RNA-based life could have happened on many other planets.
  • However, the team warns that we can’t say for sure that this is how life on Earth evolved.

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