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A Large-Scale Epidemiological Study to Identify Bacteria Pathogenic to Pacific Oyster Crassostrea gigas and Correlation Between Virulence and Metalloprotease-like Activity ArchiMer
Saulnier, Denis; De Decker, Sophie; Haffner, Philippe; Cobret, Laetitia; Robert, Maeva; Garcia, Celine.
A 4-year bacteriological survey (2003-2007) of four molluscs cultivated in France and faced with mortality episodes was performed by the French shellfish pathology network. The more abundant bacteria isolated during 92 mortality episodes, occurring mainly in Pacific oyster Crassostrea gigas, were identified by genotyping methods. It allowed us both to confirm the representativeness of Vibrio splendidus and Vibrio aestuarianus bacterial strains and to identify both a large number of Vibrio harveyi-related strains mainly detected during 2007 oyster mortality outbreaks and to a lesser extent bacterial strains identified as Shewanella colwelliana. Because metalloprotease has been reported to constitute a virulence factor in a few Vibrio strains pathogenic for...
Tipo: Text
Ano: 2010 URL: http://archimer.ifremer.fr/doc/2009/publication-6974.pdf
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Bilan 2003 du réseau REPAMO - Réseau national de surveillance zoosanitaire des mollusques marins ArchiMer
Arzul, Isabelle; Garcia, Celine; Joly, Jean-pierre; Miossec, Laurence; Chollet, Bruno; Robert, Maeva; Cuvelier, Nicolas; Lefebvre, Alain; Le Gagneur, Eric; Kopp, Joel; Mouillard, Gilbert; Gerla, Daniel; Le Saux, Jean-claude; Raguenes, Pierre; Le Gal, Dominique; Langlade, Aime; Bedier, Edouard; Nourry, Max; Martin, Jean-louis; Fillon, Alain.
The REPAMO network (network ofmollusc pathology), created in 1986, ensures the survey of shellfish health status along French coasts according? to European Directives 91/67/EEC and 95/70/EEC. The aims of the network are 1 - to prevent the introduction and spread of exotic pathogens, 2-to study the means to decrease the impact of pathogens already present and to survey their evolution. In 2003, the REPAMO network focused on the survey oflisted diseases (bonamiosis and marteiliosis) in two areas under agreement process (Banc de Granville and zone X) and on the study of abnormal morlalities. Number of reported abnormal morlalities has increased in 2003. This rise can be partly explained by the recent network restructuring, but also by the summer heatwave and...
Tipo: Text Palavras-chave: Réseau; Surveillance; Pathologie; Mollusques; Coquillages; Etat de santé; Network; Surveillance; Pathology; Molluscs; Shellfish; Health status.
Ano: 2004 URL: http://archimer.ifremer.fr/doc/00086/19699/17340.pdf
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Bilan 2004 du réseau REPAMO - Réseau national de surveillance zoosanitaire des mollusques marins ArchiMer
Garcia, Celine; Arzul, Isabelle; Chollet, Bruno; Francois, Cyrille; Goubet, Anne; Joly, Jean-pierre; Miossec, Laurence; Robert, Maeva; Cuvelier, Nicolas; Lefebvre, Alain; Le Gagneur, Eric; Ropert, Michel; Mouillard, Gilbert; Gerla, Daniel; Le Gal, Dominique; Rocher, Gregory; Langlade, Aime; Bedier, Edouard; Nourry, Max; Martin, Jean-louis; Costantini, Louis; Masson, Jean-claude; Martin, Anne-genevieve.
Created in 1986, the REPAMO network (Network of mollusc pathology), is a national zoosanitary surveillance network of shellfish health status along the French coasts. Its activities are in keeping with two European Directives, 91 /67/EEC and 95/70/EC and are a patt of the institutional tasks ofIfremer. The aims of the network are to prevent the introduction and spread of exotic pathogens and to survey the evolution of notifiable pathogens already present in France. The network focused on the survey of listed diseases (bonamiosis and marteiliosis of flat oyster) in two areas under agreement process (Banc de Granville and zone X). In 2004, no sample couId be analysed to these two areas because of the difficulty to obtain flat oysters (sparse oyster beds,...
Tipo: Text Palavras-chave: Réseau; Surveillance; Pathologie; Mollusques; Coquillages; Etat de santé; Network; Surveillance; Pathology; Molluscs; Shellfish; Health status.
Ano: 2005 URL: http://archimer.ifremer.fr/doc/00086/19702/17343.pdf
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Bilan 2005 du réseau REPAMO - Réseau national de surveillance zoosanitaire des mollusques marins ArchiMer
Garcia, Celine; Arzul, Isabelle; Chollet, Bruno; Ferrand, Sylvie; Francois, Cyrille; Joly, Jean-pierre; Miossec, Laurence; Robert, Maeva; Cuvelier, Nicolas; Lefebvre, Alain; Le Gagneur, Eric; Ropert, Michel; Mouillard, Gilbert; Gerla, Daniel; Le Gal, Dominique; Rocher, Gregory; Langlade, Aime; Bedier, Edouard; Nourry, Max; Martin, Jean-louis; Chabirand, Jean-michel; Fillon, Alain; Robert, Stephane; Courtois, Olivier; D'Amico, Florence; Rumebe, Myriam; Pichot, Yves; Le Gall, Patrik.
Created in 1992, the REPAMO network (Network of mollusc pathology), is a national zoosanitary surveillance network of shellfish health status along the French coasts. Ils activities are in keeping with two European Directives, 91167/EEC and 95170/EC and are a part of the institutional tasks of Ifremer. The aims of the network are to prevent the introduction and spread of exotic pathogens and to sm'vey the evolution of notifiable pathogens already present in France. The network focused on the survey of listed diseases (bonamiosis and marteiliosis of flat oyster) in two areas under agreement process (Granville bed and zone X). In 2005, only samples of the Granville bed could be analysed due to the difflculty to obtain flat oysters (sparse oyster beds, beds...
Tipo: Text Palavras-chave: Réseau; Surveillance; Pathologie; Mollusques; Coquillages; Etat de santé; Network; Surveillance; Pathology; Molluscs; Shellfish; Health status.
Ano: 2006 URL: http://archimer.ifremer.fr/doc/00086/19704/17346.pdf
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Bilan 2006 du réseau Repamo. Réseau national de surveillance zoosanitaire des mollusques marins ArchiMer
Francois, Cyrille; Garcia, Celine; Labrut, Sophie; Miossec, Laurence; Arzul, Isabelle; Joly, Jean-pierre; Chollet, Bruno; Robert, Maeva; Ferrand, Sylvie.
Created in 1992, the REPAMO network (Network of mollusc pathology), is a national zoosanitary surveillance network of shellfish health status along the French coasts. Its activities are in keeping with two European Directives, 91/67/EEC and 95/70/EC and are a part of the institutional tasks of Ifremer. The aims of the network are to prevent the introduction and spread of exotic pathogens and to survey the evolution ofnotifiable pathogens already present in France. The network focused on the survey of listed diseases (bonamiosis and marteiliosis of flat oyster) in two areas under agreement process (zone X and Granville bed in zone IX). In 2006, only samples of the Granville bed could be analysed due to the difficulty to obtain flat oysters (sparse oyster...
Tipo: Text Palavras-chave: Health status; Shellfish; Molluscs; Pathology; Surveillance; Network; État de santé; Coquillages; Mollusques; Pathologie; Surveillance; Réseau.
Ano: 2008 URL: http://archimer.ifremer.fr/doc/2008/rapport-3812.pdf
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Bilan 2007 du réseau REPAMO - Réseau national de surveillace de la santé des mollusques marins ArchiMer
Francois, Cyrille; Garcia, Celine; Arzul, Isabelle; Chollet, Bruno; Ferrand, Sylvie; Joly, Jean-pierre; Miossec, Laurence; Robert, Maeva; Cuvelier, Nicolas; Le Gagneur, Eric; Ropert, Michel; Mouillard, Gilbert; Gerla, Daniel; Annezo, Jean-pierre; Le Gal, Dominique; Langlade, Aime; Bedier, Edouard; Nourry, Max; Martin, Jean-louis; Chabirand, Jean-michel; Fillon, Alain; Robert, Stephane; Courtois, Olivier; D'Amico, Florence; Rumebe, Myriam; Pichot, Yves; Le Gall, Patrik; Bouchoucha, Marc; Baldi, Yoann; Ravel, Christophe.
Créé en 1992, le réseau REPAMO (REseau de PAthologie des MOllusques) est un réseau de surveillance de la santé des mollusques marins du littoral français. Son activité s'inscrit dans le cadre de deux Directives Européennes, les Directives 91 /67/CEE et 95/70/CE. Les objectifs du réseau sont de prévenir l'introduction et la propagation d'organismes pathogènes, en particulier ceux à déclaration obligatoire et de surveiller l'évolution de ceux déjà présents sur le territoire national. Ces activités font parties des missions institutionnelles de l'IFREMER. La surveillance assurée par le réseau vise en premier lieu les infections à déclaration obligatoire présentes en France, la bonamiose à Bonamia ostreae et la Marteiliose à Marteilia refringens chez l'huître...
Tipo: Text Palavras-chave: Réseau; Surveillance; Mollusques; Coquillages; Santé.
Ano: 2008 URL: http://archimer.ifremer.fr/doc/00086/19708/17349.pdf
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Bilan 2008 du réseau REPAMO - Réseau national de surveillance de la santé des mollusques marins ArchiMer
Francois, Cyrille; Garcia, Celine; Arzul, Isabelle; Joly, Jean-pierre; Miossec, Laurence; Chollet, Bruno; Ferrand, Sylvie; Robert, Maeva; Tourbiez, Delphine; Omnes, Emmanuelle; Cobret, Laetitia; Faury, Nicole; Haffner, Philippe; Saulnier, Denis; Pepin, Jean-francois; Renault, Tristan; Antajan, Elvire; Rauflet, Fabienne; Ropert, Michel; Mouillard, Gilbert; Gerla, Daniel; Annezo, Jean-pierre; Le Gal, Dominique; Langlade, Aime; Bedier, Edouard; Nourry, Max; Chabirand, Jean-michel; Fillon, Alain; Robert, Stephane; Courtois, Olivier.
Créé en 1992, le réseau REPAMO (REseau de PAthologie des MOllusques) est un réseau de surveillance de la santé des mollusques marins du littoral français. Son activité s'inscrit dans le cadre de la Directive Européenne 2006/88/CE. Les objectifs du réseau sont de prévenir l'introduction et la propagation d'organismes pathogènes, en particulier ceux à déclaration obligatoire et de surveiller l'évolution de ceux déjà présents sur le territoire national. Ces activités font parties des missions institutionnelles de l'IFREMER. La surveillance assurée par le réseau vise en premier lieu les infections à déclaration obligatoire présentes en France, la bonamiose à Bonamia ostreae chez l'huître plate Ostrea edulis et la marteiliose à Marteilia refringens chez...
Tipo: Text Palavras-chave: Réseau; Surveillance; Pathologie; Mollusques; Coquillages; Etat de santé.
Ano: 2009 URL: http://archimer.ifremer.fr/doc/00086/19709/17351.pdf
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Bilan 2009 du réseau REPAMO - Réseau national de surveillace de la santé des mollusques marins ArchiMer
Francois, Cyrille; Joly, Jean-pierre; Garcia, Celine; Miossec, Laurence; Saulnier, Denis; Pepin, Jean-francois; Arzul, Isabelle; Omnes, Emmanuelle; Tourbiez, Delphine; Faury, Nicole; Haffner, Philippe; Chollet, Bruno; Robert, Maeva; Cobret, Laetitia; Renault, Tristan; Rauflet, Fabienne; Le Gagneur, Eric; Ropert, Michel; Mouillard, Gilbert; Gerla, Daniel; Annezo, Jean-pierre; Le Gal, Dominique; Langlade, Aime; Bedier, Edouard; Breerette, Stephane; Chabirand, Jean-michel; Grizon, James; Robert, Stephane; Courtois, Olivier; Rumebe, Myriam.
Créé en 1992, le réseau REPAMO (REseau de PAthologie des MOllusques) est un réseau de surveillance de la santé des mollusques marins du littoral français. Son activité s'inscrit dans le cadre de la Directive Européenne 2006/88/CE. Les objectifs du réseau sont de prévenir l'introduction et la propagation d'organismes pathogènes, en particulier ceux à déclaration obligatoire et de surveiller l'évolution de ceux déjà présents sur le territoire national. Ces activités font parties des missions institutionnelles de l'IFREMER. La surveillance assurée par le réseau vise en premier lieu les infections à déclaration obligatoire présentes en France, la bonamiose à Banamia ostreae chez l'huître plate Ostrea edulis et la marteiliose à Marteilia refringens chez...
Tipo: Text Palavras-chave: Réseau; Surveillance; Pathologie; Mollusques; Coquillages; Etat de santé.
Ano: 2010 URL: http://archimer.ifremer.fr/doc/00086/19711/17352.pdf
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Bilan 2010 du réseau Repamo - Réseau national de surveillance de la santé des mollusques marins ArchiMer
Guichard, Benjamin; Francois, Cyrille; Joly, Jean-pierre; Garcia, Celine; Saulnier, Denis; Pepin, Jean-francois; Arzul, Isabelle; Omnes, Emmanuelle; Tourbiez, Delphine; Faury, Nicole; Haffner, Philippe; Chollet, Bruno; Robert, Maeva; Renault, Tristan; Rauflet, Fabienne; Le Gagneur, Eric; Ropert, Michel; Mouillard, Gilbert; Gerla, Daniel; Annezo, Jean-pierre; Le Gal, Dominique; Langlade, Aime; Bedier, Edouard; Brerette, Stéphane; Chabirand, Jean-michel; Grizon, James; Robert, Stephane; Courtois, Olivier; Rumebe, Myriam; Cantin, Christian.
Créé en 1992, le réseau REPAMO (REseau de PAthologie des MOllusques) est un réseau de surveillance de la santé des mollusques marins du littoral français. Son activité s’inscrit dans le cadre de la Directive Européenne 2006/88/CE. Les objectifs du réseau sont de prévenir l’introduction et la propagation d’organismes pathogènes, en particulier ceux à déclaration obligatoire et de surveiller l’évolution de ceux déjà présents sur le territoire national. Ces activités font parties des missions institutionnelles de l’IFREMER. La surveillance assurée par le réseau vise en premier lieu les infections à déclaration obligatoire présentes en France, la bonamiose à Bonamia ostreae chez l’huître plate Ostrea edulis et la marteiliose à Marteilia refringens chez...
Tipo: Text Palavras-chave: Réseau; Surveillance; Pathologie; Mollusques; Coquillages; Santé; Surveillance.
Ano: 2011 URL: http://archimer.ifremer.fr/doc/00059/17050/14599.pdf
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Bilans depuis 1999 et évolution de la stratégie du REPAMO ArchiMer
Thebault, Anne; Martin, Anne-genevieve; Pichot, Yves; Chollet, Bruno; Robert, Maeva; Le Coguic, Yvette; Tige, Gilbert; Hirata, Toshio; Mazurie, Joseph; Le Saux, Jean-claude; Masson, Nadine; Auby, Isabelle; Maurer, Daniele; Le Roux, Frédérique; Cochennec, Nathalie; Renault, Tristan; Berthe, Franck; Grizel, Henri.
The main objectives of the Mollusc Pathology Network (REPAMO) are to prevent introductions or outbreaks of infectious agents, prevent spread within a farm and especially from one farm to another, to study ways of decreasing the impact of infectious agent and to monitor the development of these pathogens in order to guarantee the health status of oysters exchanged with our commercial partners. On the whole, REPAMO's activities have not changed and include: - monitoring the development of diseases that have to be reported to authorities and carrying out analyses to classify zones: bonamiosis and marteiliosis; - baseline monitoring of farmed and wild populations of bivalve molluscs; - studying cases of abnormal mortality events; - controlling mollusc...
Tipo: Text Palavras-chave: Mollusques; Réseau surveillance; Pathologie; REPAMO.
Ano: 2001 URL: http://archimer.ifremer.fr/doc/2001/acte-3265.pdf
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Bonamia ostreae-induced mortalities in one-year old European flat oysters Ostrea edulis: experimental infection by cohabitation challenge ArchiMer
Lallias, Delphine; Arzul, Isabelle; Heurtebise, Serge; Ferrand, Sylvie; Chollet, Bruno; Robert, Maeva; Beaumon, Andy; Boudry, Pierre; Morga, Benjamin; Lapegue, Sylvie.
Bonamiosis is a parasitic disease (causative agent: Bonamia ostreae) affecting the European flat oyster Ostrea edulis, responsible for a drastic decline in its aquaculture production. Selective breeding programs for resistance to bonamiosis have been undertaken to counter this disease. In the present study, a 6-month cohabitation challenge experiment was performed in order to transmit the disease from wild oysters injected with the parasite to two tested families of oysters (20 and 8-month old at the beginning of the experiment, with different genetic backgrounds) originating from a selective breeding program developed by IFREMER in France. Mortalities were checked daily and ventricular heart smears were performed on dying or moribund oysters to detect the...
Tipo: Text Palavras-chave: Heart smear; Transmission; Cohabitation experiment; Bonamia ostreae; Ostrea edulis.
Ano: 2008 URL: http://archimer.ifremer.fr/doc/2008/publication-4783.pdf
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Bonamia-ostreae induced mortalities in one-year old European flat oysters Ostrea edulis: experimental infection by cohabitation challenge ArchiMer
Lallias, Delphine; Arzul, Isabelle; Heurtebise, Serge; Ferrand, Sylvie; Chollet, Bruno; Robert, Maeva; Beaumont, Andrew; Boudry, Pierre; Morga, Benjamin; Lapegue, Sylvie.
Bonamiosis is a parasitic disease (causative agent: Bonamia ostreae) affecting the European flat oyster Ostrea edulis, responsible for a drastic decline in the aquaculture production of this oyster species. Therefore a selective breeding program for resistance to bonamiosis has been undertaken since 1985 bu Ifremer, leading to the production of several selected oyster families. In the present study, a 6-month cohabitation challenge experiment was performed in order to transmit the disease from wild oysters (injected with the parasite) to two tested families of oysters originating from the selective breeding program. Mortalities were checked daily, and ventricular heart smears were performed on dying or moribund oysters to detect the level of infection to...
Tipo: Text Palavras-chave: Heart smear; Transmission; Cohabitation experiment; Bonamia ostreae; Ostrea edulis.
Ano: 2008 URL: http://archimer.ifremer.fr/doc/2008/acte-4535.pdf
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Can Bonamia ostreae infect larvae of flat oysters Ostrea edulis ? ArchiMer
Arzul, Isabelle; Robert, Maeva; Garcia, Celine; Chollet, Bruno; Langlade, Aime.
Tipo: Text
Ano: 2009 URL: http://archimer.ifremer.fr/doc/00448/55999/57503.pdf
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Can survival of European flat oysters following experimental infection with Bonamia ostreae be predicted using QTLs? ArchiMer
Harrang, Estelle; Heurtebise, Serge; Faury, Nicole; Robert, Maeva; Arzul, Isabelle; Lapegue, Sylvie.
The present study identifies quantitative trait loci (QTLs) in response to an experimental infection with the parasite responsible for bonamiosis, Bonamia ostreae, in two segregating families of the European flat oyster, Ostrea edulis. We first constructed a genetic-linkage map for each studied family and improved the existing genetic-linkage map for the European flat oyster with a set of SNP markers. This latter map now combines the best accuracy and the best estimate of the genome coverage available for an oyster species. Secondly, by comparing the QTLs detected in this study with those previously published for O. edulis in similar experimental conditions, we identified several potential QTLs that were identical between the different families, and also...
Tipo: Text Palavras-chave: Ostrea edulis; Single Nucleotide Polymorphism; Disease resistance; Genetic and QTL mapping; Candidate genes.
Ano: 2015 URL: http://archimer.ifremer.fr/doc/00271/38244/36429.pdf
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Can the protozoan parasite Bonamia ostreae infect larvae of flat oysters Ostrea edulis? ArchiMer
Arzul, Isabelle; Langlade, Aime; Chollet, Bruno; Robert, Maeva; Ferrand, Sylvie; Omnes, Emmanuelle; Lerond, Sophie; Couraleau, Yann; Joly, Jean-pierre; Francois, Cyrille; Garcia, Celine.
Bonamia ostreae is an intracellular protistan parasite affecting flat oysters Ostrea edulis. It can be detected in juveniles but mortalities mainly affect oysters which are more than 2 years old. The parasite is usually observed inside haemocytes and sometimes free, notably in gill epithelia suggesting a parasite release through this organ. However, the infective form and ways of entry and release remain undetermined. Flat oysters incubate their larvae in their pallial cavity for 8–10 days before releasing them into the water column. Flat oysters in Bay of Quiberon in South Brittany (France) are known to be infected with B. ostreae since 1979 and is the most important area in France for O. edulis spat collection. Flat oysters incubating larvae were sampled...
Tipo: Text Palavras-chave: Bonamia ostreae; Flat oyster; Ostrea edulis; Transmission; Larvae; Parasite life cycle.
Ano: 2011 URL: http://archimer.ifremer.fr/doc/00028/13898/12566.pdf
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Characterization of the protozoan parasite Marteilia refringens infecting the dwarf oyster Ostrea stentina in Tunisia ArchiMer
Elgharsalli, Refka; Aloui-bejaoui, Nejla; Sala, Hedi; Chollet, Bruno; Joly, Jean-pierre; Robert, Maeva; Couraleau, Yann; Arzul, Isabelle.
Marteilia refringens is a protozoan parasite recognized as a significant pathogen of the European flat oyster Ostrea edulis. The life cycle of this species is still poorly known, although there is evidence of the need for intermediate host(s). In the present study, we have used molecular approaches to identify this parasite in samples of the dwarf oyster Ostrea stentina after reports of massive mortality along the Tunisian coasts. In 2009 we evaluated the status of O. stentina from Monastir and checked if there was an infection with M. refringens, using polymerase chain reaction assays. Of the 103 tested O. stentina, 85 were PCRpositive using a Marteilia genus-specific assay. Additional assays were subsequently carried out on some samples collected in 2010...
Tipo: Text Palavras-chave: Marteilia refringens; Molecular diagnosis; IGS; ITS; Transmission electron microscopy; Ostrea stentina.
Ano: 2013 URL: http://archimer.ifremer.fr/doc/00124/23538/21422.pdf
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Contribution to the understanding of the cycle of the protozoan parasite Marteilia refringens ArchiMer
Arzul, Isabelle; Chollet, Bruno; Boyer, S.; Bonnet, D.; Gaillard, Juliette; Baldi, Yoann; Robert, Maeva; Joly, Jean-pierre; Garcia, Celine; Bouchoucha, Marc.
The paramyxean parasite Marteilia refringens infects several bivalve species including European flat oysters Ostrea edulis and Mediterranean mussels Mytilus galloprovincialis. Sequence polymorphism allowed definition of three parasite types ‘M’, ‘O’ and ‘C’ preferably detected in oysters, mussels and cockles respectively.Transmission of the infection from infected bivalves to copepods Paracartia grani could be experimentally achieved but assays fromcopepods to bivalves failed. In order to contribute to the elucidation of the M. refringens life cycle, the dynamics of the infection was investigated in O. edulis, M. galloprovincialis and zooplankton over one year in Diana lagoon, Corsica (France). Flat oysters appeared non-infected while mussels were infected...
Tipo: Text Palavras-chave: Bivalves; Marteilia refringens; Copepods; Paracartia latisetosa; Zooplankton; Parasite life cycle.
Ano: 2014 URL: http://archimer.ifremer.fr/doc/00165/27635/25768.pdf
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Detection of Bonamia ostreae and B. exitiosa (Haplosporidia) in Ostrea edulis from the Adriatic Sea (Italy) ArchiMer
Nardsi, V.; Arzul, Isabelle; Cargini, D.; Mosca, F.; Calzetta, A.; Traversa, D.; Robert, Maeva; Joly, Jean-pierre; Chollet, Bruno; Renault, Tristan; Tiscar, P. G..
The flat oyster Ostrea edulis L. is widespread along the Italian coasts. In particular, the Manfredonia Gulf (Adriatic Sea) represents an important site where natural beds subsist. Previous monitoring conducted in 1990 by light microscopy and ultrastructural studies revealed the presence of Bonamia-like microcell parasites in some flat oysters: following this observation, a new sampling of O. edulis was carried out at this location in 2007. Of 750 oysters collected, 3 showed the presence of uninucleated microcells (2 to 3 mu m diameter) free or inside the haemocyte cytoplasm by cytology and histopathology. Molecular analysis confirmed that the microcells in 2 oysters were B. exitiosa, whereas in the third oyster the microcells were B. ostreae. Moreover,...
Tipo: Text Palavras-chave: Bonamia spp.; Ostrea edulis; Molecular analysis; Electron microscopy.
Ano: 2010 URL: http://archimer.ifremer.fr/doc/00002/11284/7825.pdf
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Detection of Bonamia sp., infecting flat oysters, Ostrea puelchana (d’Orbigny, 1842) in San Matias Gulf (NW Patagonia, Argentina) based on 18S Small sub-unit and ITS Segment sequence ArchiMer
Kroeck, Marina; Arzul, Isabelle; Robert, Maeva; Carrasco, Noelia.
Tipo: Text
Ano: 2005 URL: http://archimer.ifremer.fr/doc/00448/56000/57504.pdf
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Detection of Type 1 Ostreid Herpes variant (OsHV-1 mu var) with no associated mortality in French-origin Pacific cupped oyster Crassostrea gigas farmed in Italy ArchiMer
Dundon, William G.; Arzul, Isabelle; Omnes, Emmanuelle; Robert, Maeva; Magnabosco, Cristian; Zambon, Michela; Gennari, Lorenzo; Toffan, Anna; Terregino, Calogero; Capua, Ilaria; Arcangeli, Giuseppe.
In April 2010, the sampling of juvenile Pacific cupped oysters originating from France was undertaken from a farm located off the coast of the Marche region in Italy. Samples were sent to the national reference laboratory for mollusc diseases for bacteriological, histological, electron microscopical and molecular analysis. Classical and Real-Time PCR indicated the presence of the microvariant (OsHV-1 mu var) of Type 1 Ostreid Herpes virus (OsHV-1) despite the absence of clinical and pathological signs normally associated with the presence of this variant. Further molecular and sequencing analysis revealed the presence of OsHV-1 par and OsHV-1 DNA in one oyster indicating that simultaneous detection of both viruses is possible. This is the first report of...
Tipo: Text Palavras-chave: Pacific cupped oyster; Ostreid Herpes virus 1 mu var; PCR; Italy.
Ano: 2011 URL: http://archimer.ifremer.fr/doc/00035/14585/11968.pdf
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