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RESEARCH PRODUCT

Hsp40 Is Involved in Cilia Regeneration in Sea Urchin Embryos

Rossana Di GiorgiMaria Antonietta RagusaMaria Carmela RoccheriFabrizio GianguzzaCaterina CasanoLuigia Maenza

subject

0301 basic medicineEmbryo NonmammalianHistologyParacentrotus lividus03 medical and health sciences0302 clinical medicineStress PhysiologicalCulture Techniquesbiology.animalEctodermBotanyAnimalsRegenerationElectrophoresis Gel Two-DimensionalCiliaSettore BIO/06 - Anatomia Comparata E CitologiaSea urchinHeat-Shock ProteinsCentrosomebiologyCiliumEmbryoHSP40 Heat-Shock ProteinsSea urchin embryobiology.organism_classificationHsp40 deciliation sea urchinCell biology030104 developmental biologySea UrchinsAnatomy030217 neurology & neurosurgeryMolecular Chaperones

description

In a previous paper we demonstrated that, in Paracentrotus lividus embryos, deciliation represents a specific kind of stress that induces an increase in the levels of an acidic protein of about 40 kD (p40). Here we report that deciliation also induces an increase in Hsp40 chaperone levels and enhancement of its ectodermal localization. We suggest that Hsp40 might play a chaperoning role in cilia regeneration.

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