Date: 9 months ago   Category: Science

At people have found unexpected lines of Neanderthal men


Scientists of Stanford University (USA) have found out that genes which have been acquired by modern people from Neanderthal men have given the first protection against viruses. It explains why DNA of archaic people has remained in Homo sapiens genome still. It is reported in the press release on Phys.org. It is known that two percent of a genome of Europeans and Asians consist of Neanderthal DNA that indicates crossing between two types. The first contacts between them have probably happened about hundred thousand years ago when Homo sapiens have left Africa. By then Neanderthal men lived outside the African continent already hundreds of thousands of years, and their immunity well adapted to viruses of Europe and Asia. Researchers have analysed the nucleotide sequences more than 4,5 thousand human genes connected with protection against viruses on coincidence to fragments of DNA of the Neanderthal man. 152 sites of DNA which were present at genomes of both types have been revealed. Scientists have shown that proteins which are coded by the genes inherited from Neanderthal men are capable to interact with such RNA-containing viruses as HIV, viruses of flu A and hepatitis C. Specific DNA has allowed to resist to infectious agents when the person of modern type has left Africa and has begun to master Eurasia. It is more than important news in Film of Day Telegram-channel. Subscribe!

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