20 March 2012 A slice through the tails of mouse sperm.

Picture release: Spring tails

Picture of the week As spring arrives, flowers seem to bloom everywhere – even under the microscopes at the European Molecular Biology Laboratory (EMBL) in Heidelberg, Germany. But the ‘flowers’ in this picture actually help an animal, not a plant, to pass on its genes. The image, which has been false-coloured…



30 September 2009 In the centre, a structural model determined by X-ray crystallography shows how the two tags (attached to a short section of the histone protein – all in cyan) fit neatly into the Brdt pocket (purple). In the background image, hypercompaction by Brdt causes relatively diffuse chromatin (stained blue inside the nuclei of two cells on the top left) to compact and clump together (two on the bottom right).

Putting the squeeze on sperm DNA

Science In the quest for speed, olympic swimmers shave themselves or squeeze into high-tech super-suits. In the body, sperm are the only cells that swim and, as speed is crucial to fertility, have developed their own ways to become exceptionally streamlined. Scientists at the European Molecular Biology…



No matching posts found


Read the latest Issues of our magazine - EMBLetc.

Looking for past print editions of EMBLetc.? Browse our archive, going back 20 years.

EMBLetc. archive

Newsletter archive

Read past editions of our monthly e-newsletter

For press

Contact the Press Office