Scientists created synthetic bacteria (Ec19) that survive using only 19 amino acids instead of the 20 found in all known life. This breakthrough could enable designer proteins and new pharmaceutical innovations.
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All Life Uses 20 Amino Acids. Scientists Just Deleted One in Bacteria.
20 Amino acids in all known life
19 Amino acids in synthetic Ec19
Up To 22 Amino acids in some exotic microbes
Hundreds Bacterial generations survived
1 Fewer Out Of 20 standard amino acids reduced