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Cells' innards may share origin

From Washington, D.C., at a meeting of the American Society for Cell Biology

Despite their outward differences, many of the organelles within cells may have a common evolutionary heritage.

In a case of scientific serendipity, data gathered by separate research teams working on various organelles lend new support to the theory that a simpler cellular compartment gave rise to the organelles' diverse modern forms.

"We all had been looking at specific organelles, but sitting there [at the conference] listening to the other scientists speak, there seemed to be something common in all of them," says Damien Devos of the European Molecular Biology Laboratory in Heidelberg, Germany.

Several research groups had been studying proteins that guide the movements and interactions of organelles such as the Golgi apparatus, the endoplasmic reticulum (ER) and the nucleus.

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