Mechanism that impairs production of bovine embryos is revealed

A longstanding obstacle to the market for bovine embryos is lipid accumulation in oocytes. Researchers have now described a hitherto unknown mechanism of lipid accumulation in oocytes that limits the success of in vitro production ...

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 resources for studying ...

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 offspring. Although ...