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  • Study of ribosome evolution challenges RNA world hypothesis

    The researchers constructed an evolutionary history of the RNA (left) and protein (right, added to the ribosomal RNA) components of the ribosome. Older components are shown in red; more recent ones are blue. The two timelines "showed great congruence" and suggest that ribosomal proteins co-evolved with ribosomal RNAs.

    The researchers constructed an evolutionary history of the RNA (left) and protein (right, added to the ribosomal RNA) components of the ribosome. Older components are shown in red; more recent ones are blue. The two timelines "showed great congruence" and suggest that ribosomal proteins co-evolved with ribosomal RNAs.

    Image by Derek and Gustavo Caetano-Anolls and Ajith Harish

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