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NASA Scientist for first time sequences DNA in Space

NASA Scientist for first time sequences DNA in Space
03 September 2016 Current Affairs: The National Aeronautics and Space Administration (NASA) for the first time has successfully sequenced DNA in space aboard the International Space Station (ISS). The genome sequencing was undertaken for the first time in microgravity as part of the Biomolecule Sequencer experiment performed by NASA astronaut Kate Rubins.

The experiments were undertaken by using commercially available DNA sequencing device called MinION on samples of mouse, virus and bacteria DNA. 

The tests were set up for selected organisms whose DNA has already been completely sequenced in an attempt to make spaceflight conditions, primarily microgravity, the only variables that could account for differences in results. 

The technology demonstration experiments validated that the device is durable enough to withstand vibration during launch and can operate reliably in a microgravity environment. Significance: This experiment provides a way to sequence DNA in space which can help astronauts to diagnose an illness.

 Besides, it will also help them identify microbes growing in the ISS to determine whether or not they represent a health threat. The future explorers can potentially use the technology to identify DNA-based life forms beyond Earth.


February 2017 Current affairs
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20 FEB
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January 2017 Current affairs
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