Under layers of ice in Antarctica Russian scientists have found a new species of bacteria. This discovery may tell more about the nature of science Lake Vostok. These bacteria, which genotype is only 86% identical to the known science of bacteria were found in a sample of water from Lake Vostok, which lies at a depth of two miles beneath the Antarctic ice. The composition of the water of the lake has not changed for many millions of years.
Russian scientists have received the samples of water in 2012, when drilled ice above the surface of the lake. They compared the composition of bacteria with all the bacteria present in the database world, and found little in common. Scientists have not even been able to find the descendants of these bacteria.
Despite the fact that the bacterium only begun to study, its existence has already attracted the attention of other scientists who study the nature of the Antarctic. It is known that due to life forms the environment in which they live, and at the same time, create their environment. The study of these bacteria Lake Vostok would allow scientists to create a clearer picture of the life of microorganisms in the ice of Antarctica.
"The study of micro-organisms and their environment is important for the environment — said Allison Murray, professor at the Research Institute of Nevada, which is also engaged in research in Antarctica. — Learn more about the bacteria Lake Vostok, we learn more about the lake itself. " Murray very familiar with Russian scientists and their work — it is reported that they are "really professional scientists" who prior to the announcement of such news should carefully check these bacteria. The study of Earth's bacteria can give the right direction to search for life on other planets, including Mars.
According to Murray, the bacteria can be found a new species, because they are similar to those known only by 86%. Since all terrestrial life forms have a lot in common, any match less than 80% is of great interest. Only one scholar has expressed doubt about the opening, saying that for such conclusions need more thorough investigation.
"Well, if the bacterium and indeed will be a new kind — wrote Peter Doran, a microbiologist at the University of Illinois. — But it seems to me that the statement of scientists is too hasty. Point of bacteria to be studied by other scholars. "
In January of this year, Russian scientists were drilling ice again above the surface of the lake to get new copies of bacteria for study. A month earlier a group of British scientists because of technical difficulties had to cancel an expedition to another subglacial lake in Antarctica — Ellsworth.
Translation Sergei Vasilenkova
See also: mammoth found in Yakutia, most ancient weapons.