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oocyte

Year
29 June 2021

Planetary egg cells

As evocative as a constellation of planets, these egg cells within a mouse ovary are at different stages of maturity.

2021

picture-of-the-weekscience

18 March 2012

Need for speed

Science & Technology Like any law-abiding train passenger, a molecule called oskar RNA carries a stamped ticket detailing its destination and form of transport, scientists at the European Molecular Biology Laboratory (EMBL) in Heidelberg, Germany, have found. They show that for this molecule, moving in the…

2012

sciencescience-technology

18 August 2011 Circling chromosomes. Chromosomes (blue) form a ‘belt’ around the centre of the spindle (green), discovered by the EMBL scientists.

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 (EMBL) in Heidelberg, Germany, have discovered. The unexpected degree of trial-and-error…

2011

science

9 August 2007

A unique arrangement for egg cell division

Which genes are passed on from mother to child is decided very early on during the maturation of the egg cell in the ovary. In a cell division process that is unique to egg cells, half of the chromosomes are eliminated from the egg before it is fertilised. Using a powerful microscope, researchers…

2007

science

13 July 2005

Actin moves chromosomes

Microtubules need a helping hand to find chromosomes in dividing egg cells, scientists have discovered. Although it was generally accepted that microtubules act alone as the cellular ropes to pull chromosomes into place, a new study by researchers at the European Molecular Biology Laboratory (EMBL)…

2005

science

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