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Shell repair in the clam Ruditapes philippinarum, affected by the Brown Ring Disease (BRD): a biochemical and serological study

Published online by Cambridge University Press:  31 January 2011

Nolwenn Trinkler ,
Frederic Marin ,
Nathalie Guichard ,
Maylis Labonne ,
Jean-François Bardeau  and
Christine Paillard
Nolwenn Trinkler
Affiliation:
nolwenn.trinkler@univ-brest.fr, IUEM-UBO, LEMAR, UMR CNRS 6539, Brest, France
Frederic Marin
Affiliation:
frederic.marin@u-bourgogne.fr, Université de Bourgogne, Laboratoire de Biogéosciences, UMR 5561, Dijon, France
Nathalie Guichard
Affiliation:
nathalie.guichard@u-bourgogne.fr, Université de Bourgogne, Laboratoire de Biogéosciences, UMR 5561, Dijon, France
Maylis Labonne
Affiliation:
maylis.labonne@ifremer.fr, IUEM-UBO, LEMAR, UMR CNRS 6539, Brest, France
Jean-François Bardeau
Affiliation:
jean-francois.bardeau@univ-lemans.fr, Université du Maine, LPEC, UMR CNRS 6087, Le Mans, France
Christine Paillard
Affiliation:
christine.paillard@univ-brest.fr, IUEM-UBO, LEMAR, UMR CNRS 6539, Brest, France
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Abstract

For more than two decades, the edible clam Ruditapes philippinarum has been affected by the Brown Ring Disease (BRD), a bacterial infection characterized by the formation of a brown organic deposit in the internal side of the valves. Although this infection is often lethal, in some cases specimens can overcome it by remineralizing over the organic deposit. The goal of the present study is to compare biochemically and immunologically the shell matrices of repaired and healthy zones. Our data suggest that the repair zones exhibit certain variability, which would be the direct consequence of a modification of the secretory regime of calcifying tissues responsible of the repair process.

Keywords

biomaterialscanning electron microscopy (SEM)organic
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1187: Symposium KK – Structure-Property Relationships in Biomineralized and Biomimetic Composites , 2009 , 1187-KK05-10
Copyright
Copyright © Materials Research Society 2009

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