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
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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
Fishing games gone wrong
Science & Technology 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
sciencescience-technology
A unique arrangement for egg cell division
Science & Technology 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
sciencescience-technology
Actin moves chromosomes
Science & Technology 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
sciencescience-technology
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