Proceedings of the National Academy of Sciences of the United States of America, Vol. 118, No. 36 (September 7, 2021), pp. 1-10 (10 pages) Minimally evolved codes are constructed here; these have ...

A surprising number of microbes use alternate genetic codes, different from the standard genetic code that governs the large majority of life. A census of these "recoded" genomes was recently reported ...