The worms that came alive after 46,000 years
Publisher |
The Hindu
Media Type |
audio
Podknife tags |
India
News & Politics
Categories Via RSS |
News
News Commentary
Publication Date |
Aug 11, 2023
Episode Duration |
00:24:11
It sounds like a science fiction movie, but it’s all real: scientists managed to revive a pair of roundworms that had been buried deep in the Siberian permafrost 46,000 years ago. The roundworms, called nematodes, were thawed in a lab and came alive again, reproduced several generations, and then died. These nematodes first existed when the woolly mammoths did, managed to survive in the harshest of frozen conditions, and then, from a state of suspended animation, that scientists call cryptobiosis, began life again, crawling about in a lab. A paper on this was published recently in the scientific journal PLOS Genetics. Does this mean, that technically, life can be paused for thousands of years and then restarted? That organisms can exist in a state between life and death indefinitely? If the roundworms came alive again, can other microorganisms and pathogens do that too, especially since the Siberian permafrost is melting, and can these microbes cause new diseases?

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