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Body Clock Breakthrough

Discussion in 'Other Health News and Research' started by Mark, Jan 27, 2011.

  1. Mark

    Mark Acting CEO

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    Sofa, UK
    News today of two new studies providing an unexpected breakthrough insight into the mechanisms of the body clock.

    The researchers claim to have worked out how the body clock works in all forms of life, from human cells to algae!

    They found evidence of circadian rhythm in red blood cells, which was unexpected because the circadian rhythm has always been assumed to be linked to DNA - but red blood cells do not have DNA. The algae and red blood cells were able to keep time without gene activity.

    The peroxiredoxins which display the 24-hour cycle are present in virtually all known organisms.

    News story:
    http://www.heraldscotland.com/news/...y-unlocks-secrets-of-the-body-clock-1.1082237

    The two papers:
    Circadian clocks in human red blood cells


    http://www.nature.com/nature/journal/v469/n7331/full/nature09702.html

    Circadian rhythms persist without transcription in a eukaryote


    http://www.nature.com/nature/journal/v469/n7331/full/nature09654.html
  2. Sasha

    Sasha Fine, thank you

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    UK
    Hi Mark - how annoying that even algae can sleep well when I can't!
  3. Bob

    Bob

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    England, UK
    I've just found this audio snippet from BBC radio...

    http://news.bbc.co.uk/today/hi/today/newsid_9377000/9377718.stm

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