Evolutionary biology

Muscle's dual origins

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Jellyfish move using a set of muscles that look remarkably similar to striated muscles in vertebrates. However, new data show that the two muscle types contain different molecules, implying that they evolved independently. See Letter p.231

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Figure 1: Movers and shakers.

References

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Correspondence to Andreas Hejnol.

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Hejnol, A. Muscle's dual origins. Nature 487, 181–182 (2012) doi:10.1038/487181a

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