An international team of scientists from the University of Florence, Italy and the Randall Division in collaboration with the ESRF, the European Synchrotron, Grenoble, France, demonstrated a new ...

Actin is the main constituent of one of the two types of fibres that together operate the sliding filament mechanism of muscular contraction. The form of the actin helix has been examined, first by ...

Two ground-breaking papers, published back-to-back in Nature 54 years ago, independently showed that muscle shortens as a result of the sliding between the thick and thin filaments of the fibres ...