Biologists find gene network that gave rise to first tooth

A paper in this week's PLoS Biology reports that a common gene regulatory circuit controls the development of all dentitions, from the first teeth in the throats of jawless fishes that lived half a billion years ago, to the incisors and molars of modern vertebrates, including you and me.

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<p><a href="http://www.physorg.com/news153472704.html">Biologists find gene network that gave rise to first tooth</a></p> <p>A paper in this week's <I>PLoS Biology</I> reports that a common gene regulatory circuit controls the development of all dentitions, from the first teeth in the throats of jawless fishes that lived half a billion years ago, to the incisors and molars of modern vertebrates, including you and me.</p>