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Registros recuperados: 9
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Bilan 2000 du réseau REPAMO - Réseau National de surveillance zoosanitaire des mollusques marins ArchiMer
Thebault, A; Robert, M.; Chollet, Bruno; Dumais, Muriel; Joly, Jean-pierre; Garcia, C.; Comtet, Thierry; Le Coguic, Matthieu; Martin, Anne-genevieve; Pichot, Yves.
Tipo: Text
Ano: 2001 URL: http://archimer.ifremer.fr/doc/00080/19111/16706.pdf
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Brief account of the chemical environment at hydrothermal vent mussel beds on the MAR ArchiMer
Sarradin, Pierre-marie; Caprais, Jean-claude; Riso, Ricardo; Comtet, Thierry; Aminot, Alain.
Tipo: Text
Ano: 1998 URL: http://archimer.ifremer.fr/doc/00186/29765/28199.pdf
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Ecology of the Menez Gwen hydrothermal vent field (Mid-Atlantic Ridge Azores Triple Junction) ArchiMer
Colaco, Ana; Desbruyeres, Daniel; Comtet, Thierry; Alayse, Anne-marie.
Tipo: Text
Ano: 1998 URL: http://archimer.ifremer.fr/doc/00178/28967/27388.pdf
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First record of the microsporidian parasite Steinhausia mytilovum in Mytilus sp (Bivalvia : Mytilidae) from France ArchiMer
Comtet, Thierry; Garcia, Celine; Le Coguic, Yvette; Joly, Jean-pierre.
Steinhausia mytilovuln is a globally distributed microsporidian parasite which infects the oocytes of the blue mussels Mytilus edulis and M. galloprovincialis. Despite the intensive monitoring effort made on mussel populations, the parasite has not previously been reported in France. We report herein on the occurrence of S. mytilovum in Mytilus sp. from 1 cultured and 2 natural populations on the northern coast of France, thus extending the parasite's known distribution northwards. We also report on the observation in 1989 of S. mytilovum in M, galloprovincialis from the Golfe de Fos area in the Mediterranean Sea (South of France), S. mytilovum was observed in the European hybrid zone between M. edulis and M. galloprovincialis, which therefore renders the...
Tipo: Text Palavras-chave: Aquaculture; Parasite; Microsporicha; Steinhausia mytilovum; Mytilus galloprovincialis; Mytilus edulis.
Ano: 2004 URL: http://archimer.ifremer.fr/doc/2004/publication-2862.pdf
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Metabarcoding on planktonic larval stages: an efficient approach for detecting and investigating life cycle dynamics of benthic aliens ArchiMer
Couton, Marjorie; Comtet, Thierry; Le Cam, Sabrina; Corre, Erwan; Viard, Frédérique.
High-throughput sequencing (HTS) technologies offer new promise to support surveillance programs targeting marine non-indigenous species (NIS). Metabarcoding might surpass traditional monitoring methods, for example through its ability to detect rare species, a key feature in early detection of NIS. Another interest of this approach is the identification of organisms difficult to identify based on morphology only (e.g., early developmental stages), making it relevant in the context of management programs. Because many marine benthic NIS have a biphasic benthopelagic life cycle, targeting their pelagic larval stages in zooplankton may allow early detection and assessment of their establishment and potential spread. We illustrate this approach with an...
Tipo: Text Palavras-chave: Zooplankton; Time-series; Non-indigenous species; Estuary; High-throughput sequencing; Surveillance; Monitoring.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00599/71127/69442.pdf
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New information on the ecology of deep-sea vent communities in the azores triple junction area : preliminery results of the Diva 2 cruise (May 31-July 4, 1994) ArchiMer
Desbruyeres, Daniel; Alayse, Anne-marie; Antoine, Elisabeth; Barbier, Georges; Barriga, Fjas; Biscoito, Manuel; Briand, Patrick; Brulport, Jean-pierre; Comtet, Thierry; Cornec, Laurence; Crassous, Philippe; Dando, Paul; Fabri, Marie-claire; Felbeck, Horst; Lallier, Francois; Fiala Medioni, Aline; Goncalves, Joao; Menard, Frederic; Kerdoncuff, Jacques; Patching, John; Saldanha, Luis; Sarradin, Pierre-marie.
Tipo: Text
Ano: 1994 URL: http://archimer.ifremer.fr/doc/00179/29005/27432.pdf
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Population structure and recruitment in mytilid bivalves from the Lucky Strike and Menez Gwen hydrothermal vent fields (37°17'N and 37°50'N on the Mid-Atlantic Ridge) ArchiMer
Comtet, Thierry; Desbruyeres, Daniel.
Population structure and recruitment pattern of undescribed mytilid bivalves that dominate the animal communities associated with vents of the Lucky Strike and Menez Gwen hydrothermal vent fields (37 degrees 17' N and 37 degrees 50' N on the Mid-Atlantic Ridge) were studied from size-frequency analyses. Intra-site comparisons reveal that length-frequency distributions differ significantly from one location to the other. This spatial segregation of the sizes could be due to spatio-temporal variability in environmental conditions and to intraspecific competition processes, especially adult-larval interactions (competition for space and food resources, intraspecific larviphagy) that could prevent larvae from settling on surfaces covered by adults. A modal...
Tipo: Text Palavras-chave: Hydrothermal vents; Mytilidae; Recruitment; Population structure; Size frequency; Spatial segregation; Intraspecific competition; Mid-Atlantic Ridge.
Ano: 1998 URL: https://archimer.ifremer.fr/doc/00446/55799/62521.pdf
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Reproductive biology, sexual dimorphism, and population structure of the deep sea hydrothermal vent scale-worm, Branchiplynoee seepensis (Polychaeta : Polynoidae) ArchiMer
Jollivet, D; Empis, A; Baker, Mc; Hourdez, S; Comtet, Thierry; Jouin-toulmond, C; Desbruyeres, Daniel; Tyler, Pa.
The polychaete family Polynoidae (scale-worms) is well-represented at deep sea hydrothermal vents. Most species are free-living in a wide range of habitats: from high-temperature hydrothermal `chimney' walls to diffuse venting areas. Conversely, species of the genus Branchipolynoe live inside the mantle cavity of vent and seep mytilids. Specimens, morphologically close to Branchipolynoe seepensis, have been reported from all the known vent areas on the Mid-Atlantic Ridge (MAR), with varying infestation rates (0¿6 individuals per host). Reproductive tract, gametogenesis and population structures were examined for specimens from the Lucky Strike vent field (MAR) in order to test whether this species displays dwarf males, protandric hermaphroditism or...
Tipo: Text
Ano: 2000 URL: http://archimer.ifremer.fr/doc/2000/publication-615.pdf
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Viral gametocytic hypertrophy of Crassostrea gigas in France: from occasional records to disease emergence? ArchiMer
Garcia, Celine; Robert, Maeva; Arzul, Isabelle; Chollet, Bruno; Joly, Jean-pierre; Miossec, Laurence; Comtet, Thierry; Berthe, Franck.
Viral gametocytic hypertrophy was reported for the first time in 2001 in Pacific oyster Crassostrea gigas in France. Since this date, the number of reported cases and the distribution area have increased every year; however, the cases are not associated with macroscopic signs or increased mortality rates. Both male and female gametes were hypertrophied and basophilic inclusions were observed in gamete nuclei, Transmission electron microscopy revealed the presence of viral particles in these intranuclear basophilic inclusions. These particles had characteristics similar to those of the Papillomaviridae and Polyomaviridae families: they were small, non-enveloped, icosahedral, and 44 to 56 nm in diameter, The viral particles were found in male, female and...
Tipo: Text Palavras-chave: Polyomaviridae; Papillomaviridae; Gonad; Viral garnetocytic hypertrophy; Pacific oyster; Crassostrea gigas.
Ano: 2006 URL: http://archimer.ifremer.fr/doc/2006/publication-3288.pdf
Registros recuperados: 9
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