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Registros recuperados: 82 | |
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Renault, Tristan; Stokes, Nancy; Chollet, Bruno; Cochennec, Nathalie; Berthe, Franck; Gerard, Andre; Burreson, Eugene. |
Two cases of haplosporidian infection occurred during 1993 in Pacific oysters Crassostrea gigas from the French Atlantic coast. The localization and ultrastructure of the plasmodia are described. In situ hybridization of infected tissue sections was conducted with DNA probes for oyster-infecting haplosporidians. The Haplosporidium nelsoni-specific DNA probe MSX1347 hybridized with the C. gigas parasite, and the H, costale-specific probe SSO1318 did not hybridize. Total genomic DNA was extracted from the infected tissue sections for polymerase chain reaction (PCR) amplification of the haplosporidian. PCR amplifications with H. nelsoni-specific primers and with 'universal' actin primers did not yield the expected products of 573 and 700 bp, respectively. A... |
Tipo: Text |
Palavras-chave: Haplosporidium nelsoni; Haplosporidiosis; Crassostrea gigas; Pacific oyster. |
Ano: 2000 |
URL: http://archimer.ifremer.fr/doc/2000/publication-821.pdf |
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Moreau, Pierrick; Burgeot, Thierry; Renault, Tristan. |
Pesticides are frequently detected in estuaries among the pollutants found in estuarine and coastal areas and may have major ecological consequences. They could endanger organism growth, reproduction or survival. In the context of high mortality outbreaks affecting Pacific oysters, Crassostrea gigas, in France since 2008, it appears of importance to determine the putative effects of pesticides on oyster susceptibility to infectious agents. Massive mortality outbreaks reported in this species, mainly in spring and summer, may suggest an important role played by the seasonal use of pesticides and freshwater input in estuarine areas where oyster farms are frequently located. To understand the impact of some pesticides detected in French waters, their effects... |
Tipo: Text |
Palavras-chave: Immunity; Hemocytes; Pesticides; Pacific oyster; Crassostrea gigas; Flow cytometry; Bivalve. |
Ano: 2014 |
URL: http://archimer.ifremer.fr/doc/00144/25555/23700.pdf |
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Registros recuperados: 82 | |
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