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Scientists will resurrect 100 million-year-old underwater life forms



Scientists have revived microbes found in 100-million-year-old sediment, giving us another glimpse of what life was like in the distant past. for science and technology for marine countries revived these microbes, which are actually 101.5 million years ago.

Once the microbes, which are a type of bacteria, were brought to laboratory conditions, they returned to life and began to eat and multiply, as live animals do.

Although these microbes are more than 100 million years old, they lived in low-energy conditions that allowed them to “maintain their metabolic potential” according to a new research study published by Nature Communications.

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“This new study again expands our view of the habitable biosphere on Earth and the ability of microbes to survive in suboptimal conditions,” said Virginia Edgcomb, a geologist at the Woods Hole Oceanographic Institution, who did not participate in the new study. in e-mail. “It also broadens our view of where a viable microbial life contributes to the turnover of carbon and other nutrients in the deep biosphere.”

A previous study of bacterial spores was reported to have been from a 250-million-year-old salt crystal at the Permian Salado Formation in New Mexico, but not all experts agreed that they were indeed at the time. One of the problems raised was that the samples were contaminated.

Using DNA and RNA gene profiling, these 101.5 million-year-old microbes were identified as aeorbic or oxygen-loving bacteria, and a “lack of permeability between the thick layers of the seabed” precluded contamination.

Jennifer Biddle, an associate professor at the School of Marine Science and Policy at the University of Delaware, agreed with these findings and appreciated Moron.“In fact, if I got a rare sample of Martian material with which I could convincingly prove the evidence of life on another planet, I would give it to Yuki Morono,” said Biddle, who did not participate in the new research.

Fortunately, Morono argues that the health risk of reviving ancient bacteria is very low because “submarine sediment is considered to be a low risk to health because there is no infectious host in this environment, such as humans.”

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Adam Bankhurst is the author of reports for IGN. You can follow him on Twitter @AdamBankhurst and on Twitch.




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