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Perkinsus sp. infecting oyster Crassostrea rhizophorae (Guilding, 1828) on the coast of Bahia, Brazil.
Brandão, Rosana Pinho; Boehs, Guisla; Sabry, Rachel Costa; Ceuta, Liliane Oliveira; Luz, Mariane Dos Santos Aguiar; Queiroga, Fernando Ramos; da Silva, Patrícia Mirella.
Affiliation
  • Brandão RP; Universidade Estadual de Santa Cruz (UESC), Departamento de Ciências Biológicas (DCB), Rodovia Ilhéus-Itabuna, km 16, CEP 45650-900, Ilhéus, BA, Brazil.
J Invertebr Pathol ; 112(2): 138-41, 2013 Feb.
Article in En | MEDLINE | ID: mdl-23201453
ABSTRACT
This study investigated the occurrence of the protozoan Perkinsus in the oyster Crassostrea rhizophorae on the coast of Bahia State, Brazil. The oysters (n = 900) were collected in February-March and July-August 2010. The Ray's fluid thioglycollate medium (RFTM) analysis of gills and rectum revealed hypnospores of Perkinsus sp. with a high mean prevalence (63%). The infection intensity varied from very light to advanced. The polymerase chain reaction confirmed Perkinsus in 87.2% of the RFTM-positive oysters. Histological analysis showed trophozoites and schizonts phagocytized by hemocytes, mainly in the intestine and the stomach epithelium.
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Full text: 1 Database: MEDLINE Main subject: Ostreidae / Protozoan Infections / Food Contamination / Seafood / Alveolata Type of study: Risk_factors_studies Limits: Animals Country/Region as subject: America do sul / Brasil Language: En Year: 2013 Type: Article
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Full text: 1 Database: MEDLINE Main subject: Ostreidae / Protozoan Infections / Food Contamination / Seafood / Alveolata Type of study: Risk_factors_studies Limits: Animals Country/Region as subject: America do sul / Brasil Language: En Year: 2013 Type: Article