Editor's Summary

11 August 2005

The sperm's tale


What's in a sperm? Apart from the DNA, nobody really knows. Researchers are now attempting to obtain the entire proteome of a sperm and are finding lots of surprises. It seems that sperm are more than DNA delivery boys.

News FeatureCell biology:  The secret life of sperm

Far from being mere DNA delivery boys, it's now becoming clear that sperm also ship a complex cargo of RNA and proteins that may be crucial for an embryo's early development. Claire Ainsworth reports.

doi: 10.1038/436770a

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