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Water vole genome will help boost conservation of one of UK's most endangered mammals eurekalert.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from eurekalert.org Daily Mail and Mail on Sunday newspapers.
Cellular signatures of kidney tumours discovered eurekalert.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from eurekalert.org Daily Mail and Mail on Sunday newspapers.
E-Mail New insights into the ability of DNA to overcome harmful genetic changes have been discovered by scientists at the Wellcome Sanger Institute, the University of Lausanne and their collaborators. The team found that 26 per cent of harmful mutations were suppressed by naturally occurring variants in at least one wild yeast strain. In each instance examined in detail, a single rescue mutation was responsible for cancelling out another mutation that would have threatened the organism s survival. The study, published today (27 May 2021) in Molecular Systems Biology, provides important information about how DNA variants can suppress undesirable genetic changes. If confirmed in humans, this biological phenomenon could have an important role in genetic diseases such as cancer or rare developmental disorders, and explain why certain patients suffer from more severe disease than others. ....
E-Mail The first ever vaccine target for trypanosomes, a family of parasites that cause devastating disease in animals and humans, has been discovered by scientists at the Wellcome Sanger Institute. By targeting a protein on the cell surface of the parasite Trypanosoma vivax, researchers were able to confer long-lasting protection against animal African trypanosomiasis (AAT) infection in mice. The study, published today (26 May 2021) in Nature, is the first successful attempt to induce apparently sterile immunity against a trypanosome parasite. A vaccine was long thought impossible due to the sophisticated ability of the parasites to evade the host immune system. As well as a strong vaccine target for AAT, the findings raise the possibility of identifying vaccine targets for trypanosome species that cause the deadly human infections sleeping sickness and Chagas disease. ....
E-Mail In the first study of the genomic architecture of the human placenta, scientists at the Wellcome Sanger Institute, the University of Cambridge and their collaborators have confirmed that the normal structure of the placenta is different to any other human organ and resembles that of a tumour, harbouring many of the same genetic mutations found in childhood cancers. The study, published today (10 March 2021) in Nature, found evidence to support the theory of the placenta as a dumping ground for genetic defects, whereas the fetus corrects or avoids these errors. The findings provide a clear rationale for studying the association between genetic aberrations and birth outcomes, in order to better understand problems such as premature birth and stillbirth. ....