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Thursday, July 27, 2017

Science unknown bacteria discovered in Antarctica


Russian scientist Sergei Bulat of the St Petersburg University of nuclear physics named after B. P. Konstantinov said that in the subglacial lake “Vostok” in Antraktida experts have discovered a bacteria, such where on Earth to find so far failed. Unknown to science, an organism has received the name w123-10, said the specialist.


photo: pixabay.com

As explained by the researcher, previously unknown to science the bacterium has been found in the frozen on the drilling crown with water. About its absolute uniqueness, according to the scientist, said the fact that the genetic similarity w123-10 most similar to the known microorganisms is only 86 per cent, from the genetics point of view this is very little.

Lake Vostok in Antarctica lies a depth of four kilometers, and is the largest subglacial lake in the world. It is of great interest to scientists because, like supposed to, very similar to ice oceans on three moons of Jupiter (Europe, Ganymede and Callisto) and Enceladus, moon of Saturn. Today these satellites are considered only in addition to the Earth space objects, which is not the lowest probability life could exist. Thus, any living things that may live in subglacial lake should be doubly curious to explore.

The assumption of the existence of a lake under the Antarctic ice was made by Andrei Kapitsa in the mid-fifties of the last century, however, proved its presence was only about ten years ago. Ice lake was named in honor of then Soviet, and now Russian scientific station operating in the same area since 1957.

It is worth noting that earlier already there were statements about the discovery of living creatures in the lake, however, some critics, including Sergei Bulat, note that in many cases, in fact, speech can go only about the result of contamination of the ice samples, not a true discovery.

source

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