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    Avalon Member Star Tsar's Avatar
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    Default DNA Sequenced In Space For The First Time!

    DNA has been successfully sequenced in space for the first time.

    Nasa astronaut Kate Rubins carried out the test on the International Space Station (ISS) at the weekend.
    She was using a compact DNA sequencing device called Minion, which was developed in the UK.
    The device, which was sent up to the space station in July, could help astronauts diagnose illness in space and allow them to identify disease-causing microbes on the ISS.

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    Last edited by Star Tsar; 2nd September 2016 at 07:23.
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    UK Avalon Member Cidersomerset's Avatar
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    Default Re: DNA Sequenced In Space For The First Time!

    DNA sequenced in space 30 August 2016
    From the section Science & Environment


    Nasa astronaut Kate Rubins carried out the sequencing at the weekend

    DNA has been successfully sequenced in space for the first time.
    Nasa astronaut Kate Rubins carried out the test on the International
    Space Station (ISS) at the weekend.She was using a compact DNA
    sequencing device called Minion, which was developed in the UK.
    The device, which was sent up to the space station in July, could
    help astronauts diagnose illness in space and allow them to identify
    disease-causing microbes on the ISS.DNA sequencing is the process
    used to determine the order of the four chemical building blocks that
    make up the genetic information from a given living organism.

    While Dr Rubins carried out her work on the orbiting outpost, researchers
    were simultaneously sequencing identical test samples on the ground.
    The experiment was set up to attempt to make spaceflight conditions,
    particularly microgravity, the only variables that could account for
    differences in the results.Using the Minion in a weightless environment
    introduces several challenges including the formation of air bubbles in
    fluid used in the test.



    The sequencer is small compared to the microwave-sized devices used on Earth

    Bubbles rise to the top of a liquid solution and can be removed by centrifuge.
    But in space, bubbles are less predictable.Sarah Castro-Wallace, project
    manager for the experiment, said: "Onboard sequencing makes it possible
    for the crew to know what is in their environment at any time."That allows
    us on the ground to take appropriate action - do we need to clean this up
    right away, or will taking antibiotics help or not?

    "We can resupply the station with disinfectants and antibiotics now, but once
    crews move beyond the station's low Earth orbit, we need to know when to
    save those precious resources and when to use them."

    http://www.bbc.co.uk/news/science-environment-37223073

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