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Live Forever!
20.01.2009 12:33
Live Forever!
One of numerous Bacillus

Fossil microorganisms, which live in permafrost as old as several million years, have always attracted scientists, since their unique vitality still has no rational explanation.
      
      Russian researchers calculated that even small DNA fragments could live no longer than 10 thousand years in moderate climate and not more than 100 thousand years in cold regions. The ability of DNA to transfer information is unlikely to stay the same after several hundred years. All this means that relic microorganisms have other mechanisms to maintain their life, which are still unknown.
      
      Russian scientists decided to find out these mechanisms and for this purpose they collected samples of Bacillus genus from frozen deposits as old as 3.5 million years. This Bacillus strain is highly resistant to any environmental hostilities. Biological activity of said culture was tested on fruit flies (Drosophila melanogaster), and experiments showed that flies lost in fertility but gained in lifetime almost twice compared to the control group.
      
      The conclusion was that certain Bacillus strain was able to slow down ageing; however, researchers said nothing about how fruit flies were treated with bacteria.
      
      Source: Science & Life


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