Regeneration and biomineralization in lophotrochozoans

Spirobranchus lamarcki in its habitation tube (Photo David Ferrier)

The polychaete Spirobranchus (formerly Pomatoceros) lamarcki, provides a useful new system in which to study both regeneration and biomineralization. Regeneration of the head appendages of Spirobranchus can be easily induced and occurs relatively rapidly over the course of a few days. Combined with the relatively conservative nature of polychaete gene sequence and content evolution this system should provide us with an informative new, accessible system in which to address comparative aspects of animal regeneration. In the Spirobranchus system this includes biomineralization, since the operculum appendage produces a protective calcified plate (in addition to its calcareous habitation tube).

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