The first ever 'semi-synthetic' micro-organism is very different from all other life on Earth.
While very much terrestrial in origin, the genetically modified microbe possesses a unique genetic code thanks to the addition of an extra artificial piece of DNA that makes it completely unlike anything else alive.
So you have created two new base pairs in an organism that perhaps has the potential of living inside a human host (it is after all modified E. coli, a common gut bacteria) AND bacteria can and do swap DNA with not only their own kind but other species of bacteria as well.
It IS interesting scientifically and perhaps completely harmless, but life, even artificial life has a way of not staying where you want it and often comes up with novel ways of surviving.
I hope the first thing they do is test a culture of the organism to see how susceptible it is to a wide range of antibiotics both in a petri dish and then perhaps when injected into lab mice. You never know, this might come in handy.
Why do the scientists always have to play with the deadly bacteria?
The E.Coli strains used as a working tool in microbiology/biotechnology as a host organism are not deadly.
You by yourself carry billions/trillions of it in your bowels.
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