Dipeptides reveal evolutionary links to the genetic code and early life

sciencedaily.com

Tiny protein pairs called dipeptides may hold the secret to life's origin, showing evolutionary links to the genetic code. Researchers analyzed billions of dipeptide sequences across species, finding their evolutionary history matches that of protein domains and transfer RNA, suggesting they trace early life's development. This discovery offers insights into the dual language of life—genetic and protein codes—and could inform fields like genetic engineering and synthetic biology.


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