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Key mutations in Alpha variant enable SARS-CoV-2 to overcome evolutionary weak points

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SARS-CoV-2 is a coronavirus, so named because spike proteins on its surface give it the appearance of a crown (‘corona’). The spike proteins bind to ACE2, a protein receptor found on the surface of cells in our body. Both the spike protein and ACE2 are then cleaved, allowing genetic material from the virus to enter the host cell. The virus manipulates the host cell’s machinery to allow the virus to replicate and spread.
As SARS-CoV-2 divides and replicates, errors in its genetic makeup cause it to mutate. Some mutations make the virus more transmissible or more infectious, some help it evade the immune response, potentially making vaccines less effective, while others have little effect. ....

Glasgow City , United Kingdom , Bo Meng , Ravi Gupta , Laboratory Of Molecular Biology , Pirbright Institute , Melinda Gates Foundation , Cambridge Biomedical Research Centre , University Of Cambridge , National Institute For Health Research , Glasgow Centre For Virus Research , Cambridge Institute Of Therapeutic Immunology , Research Council , Department Of Medicine , Cell Reports , Glasgow Centre , Virus Research , Molecular Biology , Cambridge Institute , Therapeutic Immunology , Infectious Disease , Professor Gupta , Dalan Bailey , Medical Research Council , National Institute , Health Research ,

H69/V70 deletion in Alpha variant enables SARS-CoV-2 to overcome chinks in its armor

H69/V70 deletion in Alpha variant enables SARS-CoV-2 to overcome chinks in its armor
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Glasgow City , United Kingdom , Bo Meng , Ravi Gupta , Emily Henderson , Laboratory Of Molecular Biology , Pirbright Institute , Melinda Gates Foundation , Cambridge Biomedical Research Centre , University Of Cambridge , National Institute For Health Research , Glasgow Centre For Virus Research , Cambridge Institute Of Therapeutic Immunology , Research Council , Department Of Medicine , Cell Reports , Glasgow Centre , Virus Research , Molecular Biology , Cambridge Institute , Therapeutic Immunology , Infectious Disease , Professor Gupta , Senior Author , Dalan Bailey , Medical Research Council ,

Placenta is a dumping ground for genetic defects

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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. ....

United Kingdom , Rashesh Sanghvi , Matthew Midgley , Sam Behjati , Steve Charnock Jones , Thomasrw Oliver , Timhh Coorens , Gordon Smith , Biomedical Research Centres , Wellcome Sanger Institute , Cambridge Biomedical Research Centre , Society For Endocrinology , University Of Cambridge , National Institute For Health Research , Department Of Health , Development Assistance , Sanger Institute , Pregnancy Outcome Prediction , National Institute , Health Research , Cambridge Biomedical Research , Official Development Assistance , Biomedical Research Centre , Cambridge Biomedical Campus , Cell Biology , Developmental Reproductive Biology ,