Ancient 'genomic parasites' spurred evolution of mammalian pregnancy
Chicago IL (SPX) Jan 30, 2015 - An international team of scientists has identified large-scale genetic changes that marked the evolution of pregnancy in mammals. They found thousands of genes that evolved to be expressed in the uterus in early mammals, including many that are important for maternal-fetal communication and suppression of the immune system. Surprisingly, these genes appear to have been recruited and repurp ... more
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