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New Life From Six-Letter Genetic Code
Beware, science is going down unexplored roads. Bacteria that are semi-synthetic are being created with a six-letter genetic code. New forms of life useful to Man could be on offer. Hopefully, they will be used in medical treatment.
"Normal" life has a base of four letters. Escherichia coli is a bacteria which has a synthetic pair of X and Y blended into it. The six bases stay together despite not conforming to the usual
ruling double helix model.
The E. coli was manipulated to more readily take the pair into its DNA. Also the Y base was made easier for the searching enzymes to find. Bacteria that resisted the pair were selected out to create an ideal "host" E.coli.
We are a long way from having practical helper organisms. Maybe ten years down the track there will something we can use. Until then it will remain a dream.
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