News tagged with oocyte

From a drop of blood, a clone

Over the last few decades, scientists have drawn upon a powerful arsenal of biotechnology techniques to establish a wide variety of genetically engineered mouse strains. These animals represent invaluable ...

Aug 16, 2013 5 / 5 (4) 3

Clones of clones can make clones

Since the first reports of successful cloning of mammals by somatic cell nuclear transfer, concerns have been raised about the efficiency and repeatability of cloning techniques, and the health of cloned ...

Apr 01, 2013 5 / 5 (2) 0

Oocytes: Going with the flow

Most cells rely on structural tethers to position chromosomes in preparation for cell division. Not so oocytes. Instead, a powerful intracellular stream pushes chromosomes far-off the center in preparation ...

Aug 28, 2011 5 / 5 (2) 1 | with audio podcast

Fishing games gone wrong

When an egg cell is being formed, the cellular machinery which separates chromosomes is extremely imprecise at fishing them out of the cell's interior, scientists at the European Molecular Biology Laboratory ...

Aug 18, 2011 not rated yet 0