Moreover, they subsequently identified the same structure within the sperm cells of zebrafish and in mouse oocytes and sperm. Their findings were published today in Science . This has implications ...

A Unique Arrangement For Egg Cell Division Date: August 15, 2007 Source: European Molecular Biology Laboratory Summary: Using a powerful microscope, researchers have now revealed how the molecular ...

A research group is the first in the world to succeed in constructing artificial cell nuclei by injecting purified DNA solution instead of sperm into living mouse eggs. Their findings are ...

Egg cells need stamina: They are formed in a woman's body before birth and have to be on standby for decades to possibly be fertilized one day. But as they age, they accumulate more and more DNA ...

To understand why egg cells are more susceptible to errors, Wignall studies a football-shaped structure, called the spindle, which organizes genetic material before the egg divides. "The spindle ...

Researchers at Massachusetts General Hospital say they have extracted stem cells from human ovaries and made them generate egg cells. The advance, if confirmed, might provide a new source of eggs ...

Selfish elements preferentially attach to the “egg” side of the meiotic spindle, a structure of microtubules that pulls the chromosomes to opposite poles of the dividing cell.

In a cell division process that is unique to egg cells, ... They predetermine the bipolar structure of the spindle that is essential to extrude exactly half of the chromosomes outside of the egg.