Tuesday, June 15, 2010

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a couple of weeks ago, scientists at the J. Craig Venter Intitute issued instructions to synthesize what they called an artificial cell after fifteen years of work.

not really the whole cell was created in his laboratory. We used an existing cell in which it implemented a new genome (the DNA coding for important information about the cell). Then the cell with the artificial genome was reproduced by fragmentation, creating exact copies of itself and of its genetic code. Scientists designed the genome in a computer, produced chemically in the lab and transplanted into a host cell to produce a new cell autorreplicatoria controlled by the new synthetic genome. Cell

While that was grafted artificial genome of Mycoplasma capricolum type, the cell from which the genome is from a different type ( Mycoplasma mycoides ). So we used a cell type as a guest for a completely different genome, which was also altered with the help of a computer. The first step was to achieve the decoding of the genome. Later modified this code and synthesized the genome again from the four nitrogenous bases that make up DNA: adenine, guanine, thymine and cytosine. This product is artificially synthesized that introduced into the host cell, resulting in the first cell that has a genome made entirely in a laboratory.

More than a decade scientists need to invent all the technology and instruments necessary for the creation of something that could be seen as the first step toward artificial life.

As an additional feature in the new genome not only encode the information necessary for the cell, but also included in the genetic code names of persons who worked on the project, an e-mail address and three dates. One of these appointments, Richard Feynman, said: What I Can not build, I Can not Understand . What I can not create, I can not understand.

Here you can watch a video of the press conference announcing the artificial cell (with English subtitles):



can also find more information on the page lab web.

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