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Toxins 2010, 2(5), 1166-1178; doi:10.3390/toxins2051166
Article

Comparative Study of Various Immune Parameters in Three Bivalve Species during a Natural Bloom of Dinophysis acuminata in Santa Catarina Island, Brazil

1
,
2
 and
1,*
1 Laboratório de Imunologia Aplicada à Aquicultura, Departamento de Biologia Celular Embriologia e Genética, Universidade Federal de Santa Catarina, Florianópolis, Santa Catarina, Brazil 2 Centro de Ciências Tecnológicas da Terra e do Mar, Universidade do Vale do Itajaí, Itajaí, Santa Catarina, Brazil
* Author to whom correspondence should be addressed.
Received: 12 April 2010 / Revised: 7 May 2010 / Accepted: 18 May 2010 / Published: 25 May 2010
(This article belongs to the Special Issue Toxins from Aquatic Organisms)
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Abstract

This study aimed to verify if Dinophysis acuminata natural blooms affected the immune system of three bivalves: the oyster, Crassostrea gigas, the mussel, Perna perna, and the clam, Anomalocardia brasiliana. Animals were obtained from a renowned mariculture farm in the southern bay of Santa Catarina Island during, and 30 days after (controls), an algal bloom. Various immunological parameters were assessed in the hemolymph of the animals: total and differential hemocyte counts, percentage of apoptotic hemocytes, protein concentration, hemagglutinating titer and phenoloxidase activity. The results showed that the mussel was the most affected species, with several altered immune parameters, whereas the immunological profile of clams and oysters was partially and completely unaffected, respectively.
Keywords: harmful algal bloom; Dinophysis acuminata; bivalves; immune parameters; Crassostrea gigas; Perna perna; Anomalocardia brasiliana harmful algal bloom; Dinophysis acuminata; bivalves; immune parameters; Crassostrea gigas; Perna perna; Anomalocardia brasiliana
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Mello, D.F.; Proença, L.A.O.; Barracco, M.A. Comparative Study of Various Immune Parameters in Three Bivalve Species during a Natural Bloom of Dinophysis acuminata in Santa Catarina Island, Brazil. Toxins 2010, 2, 1166-1178.

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