Key Publications

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the evolution of bilaterian nerve cords

It has been hypothesized that a condensed nervous system with a medial ventral nerve cord is an ancestral character of Bilateria. However, our data suggest that the similarities in dorsoventral patterning and trunk neuroanatomies evolved independently in Bilateria.

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The evolution of deuterostomy & protostomy

The developmental association of the mouth to the blastopore has influenced our view of bilaterian evolution. Our study shows that the developmental relationship of mouth and blastopore is a secondary by-product of variations in axial and mesoderm development.

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Deuterostomic development in priapulid worms

The absence of information on the fate of blastopore in key taxa has hampered the reconstruction of the ancestral gastrulation mode in Bilateria. Our study on priapulid worms indicate that deuterostomic and not protostomic development was ancestral to Bilateria.


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2008