Scientists at IRB Barcelona have discovered that some brain tumours in larvae of the fruit fly Drosophila melanogaster use the genetic programme of germline cells to grow. The removal of some of these genes leads to healthy brains. This finding demo…
Tag Archives | prestigious journal science
Size of mammals exploded after dinosaur extinction
Researchers demonstrate that the extinction of dinosaurs 65 million years ago made way for mammals to get bigger – about a thousand times bigger than they had been. The study, which is published in the prestigious journal Science, is the first to …
Unexpectedly small effects of mutations in bacteria bring new perspectives
Most mutations in the genes of the Salmonella bacterium have a surprisingly small negative impact on bacterial fitness. And this is the case regardless whether they lead to changes in the bacterial proteins or not. This is shown by Uppsala Universit…