“Artificial life” created with synthetic DNA

May 21, 2010
By

According to the mad scientists responsible for this, the synthetic microbes could be used in flu vaccines as early as “next year”! From the BBC:

Scientists in the US have succeeded in developing the first living cell to be controlled entirely by synthetic DNA.

The researchers constructed a bacterium’s “genetic software” and transplanted it into a host cell.

The resulting microbe then looked and behaved like the species “dictated” by the synthetic DNA.

But the researchers hope eventually to design bacterial cells that will produce medicines and fuels and even absorb greenhouse gases.

The team was led by Dr Craig Venter of the J Craig Venter Institute (JCVI) in Maryland and California.

He and his colleagues had previously made a synthetic bacterial genome, and transplanted the genome of one bacterium into another.

Now, the scientists have put both methods together, to create what they call a “synthetic cell”, although only its genome is truly synthetic.

Dr Venter likened the advance to making new software for the cell.

The researchers copied an existing bacterial genome. They sequenced its genetic code and then used “synthesis machines” to chemically construct a copy.

Dr Venter told BBC News: “We’ve now been able to take our synthetic chromosome and transplant it into a recipient cell – a different organism.

“As soon as this new software goes into the cell, the cell reads [it] and converts into the species specified in that genetic code.”

The new bacteria replicated over a billion times, producing copies that contained and were controlled by the constructed, synthetic DNA.


Dr Venter and his colleagues are already collaborating with pharmaceutical and fuel companies to design and develop chromosomes for bacteria that would produce useful fuels and new vaccines.

“The flu vaccine you’ll get next year could be developed by these processes,” he added.

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