A team of researchers led by scientists at the University of Nottingham, England, proposed an explanation for the fact that transposons, the so-called jumping genes that can be found in most living organisms, don’t kill their hosts.
A group of researchers at San Diego State University led by microbial ecologist Forest Rohwer found that the mucus that exist in the body of almost all the animals in various organs contain a type of bacteriophage (informally phage) viruses (image ©Adenosine) that can function as a second immune system that procects from infections.
Last Saturday the biochemist Christian de Duve died in his home in Nethen, Belgium. His health had deteriorated and a few weeks ago he decided to request euthanasia, which is legal in Belgium. In 1974, Christian de Duve received the Nobel Prize for Physiology or Medicine together with Albert Claude and George E. Palade for their discoveries concerning the structural and functional organization of the cell.
An international team coordinated by the Broad Institute, a research center affiliated with the Massachusetts Institute of Technology (MIT) and Harvard University, announced they have completed the sequencing of the genome of a coelacanth, a fish that was thought to be extinct until 1938, when a living specimen was found.
A team of scientists has reconstructed a skeleton of Australopithecus sediba, a hominid that lived about two million years ago, putting together the bones of some partial skeletons found in 2008 in Malapa, about 45 km (about 30 miles) from the capital city of South Africa, Johannesburg.