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Science & ResearchAug 10, 2026

Found in translation: CCA-adding enzymes reveal bacterialization of Asgard archaea prior to eukaryogenesis

CCA-adding enzymes are essential for transfer RNA (tRNA) maturation and translation among all domains of life.

CCA-adding enzymes are essential for transfer RNA (tRNA) maturation and translation among all domains of life. A long-standing dogma holds that archaea encode exclusively class one CCA-adding enzymes (CCA1), whereas bacteria and eukaryotes encode class two enzymes (CCA2),…

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