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Registros recuperados: 25 | |
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Akcha, Farida. |
In the aim to develop biomarkers of genotoxicity for the biomonitoring of the marine environment,the formation of DNA adducts and oxidized DNA bases was studied for the sentinel organism, Mytilus sp, following exposure to B[a]P via the trophic supply. DNA adducts and 8-oxo-7,8-dihydro-2'-désoxyguanosine (8-oxodGuo) were respectively measured by 32P post-labeling technique and high performance liquid chromatography coupled to electrochemical detection. The developped model of exposure was validated for the realisation of toxicological studies in Mytilus sp. The bioavailability of B[a]P for the exposed organisms and its biotransformation resulted in variations in most of the measured enzymatic biomarkers of exposure. Such an exposure allowed the expression... |
Tipo: Text |
Palavras-chave: Moule; B[a]P; Adduits; 8-oxodGuo; Biomarqueurs; Mussel; B[a]P; Adducts; 8-oxodGuo; Biomarkers. |
Ano: 2000 |
URL: http://archimer.ifremer.fr/doc/00076/18770/16349.pdf |
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Arnaud, Christophe; Faury, Nicole; Bouquet, Jean-paul; Guesdon, Stephane. |
Monitoring of reproduction in the oyster Crassostrea gigas, and more particularly in the mussel Mytilis edulis were conducted, in the Marennes-Oléron Bay each year, from June to September. This report gives the main results obtained in 1997, 1998, 1999,2000 and compares the results between years. It also summarises the fishing techniques used and gives information on larval development in the annexes. NOT CONTROLLED OCR |
Tipo: Text |
Palavras-chave: Marennes Oléron; Larvae; Reproduction; Mussel; Oyster; Marennes Oléron; Larves; Reproduction; Moule; Huître. |
Ano: 2000 |
URL: http://archimer.ifremer.fr/doc/2000/rapport-3883.pdf |
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Audouin, Jacques. |
Plusieurs auteurs, en particulier Faideau, Bluteau, Lambert, Dubreuil, etc... ont déjà donné de nombreux détails sur la mytiliculture et sur les bouchots à moules de la Baie de l'Aiguillon. Afin que cette note donne une vue d'ensemble sur la mytiliculture, nous avons été amenés à reprendre et à résumer les données exposées par eux. Nous avons, en outre, ajouté certains détails de la technique employée par les boucholeurs. Nous nous sommes efforcés d'apprécier l'évolution qui s'est manifestée depuis une trentaine d'années. Cette étude comprend deux parties principales : Origine et forme des bouchot - Mode d'exploitation. |
Tipo: Text |
Palavras-chave: Mytiliculture; Baie Aiguillon; Histoire; Bouchot; Croissance; Moule. |
Ano: 1954 |
URL: http://archimer.ifremer.fr/doc/00003/11464/8024.pdf |
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Casas, Stellio. |
Monitoring coastal contamination of trace metals using bivalve molluscs as quantitative bioindicators is widely used in many international monitoring programs. The bioaccumulation of metal within an organism results from the interaction between physiological (growth, loss of weight, absorption, accumulation), chemical (metal concentration, speciation, bioavailability) and environmental factors (temperature, SPM, chlorophyll). By utilizing the parameters above in this study, it appears that modeling metal dynamics in marine mussels is a reliable tool. The model allows understanding the bioaccumulation process which results from the interactions between biological, chemical and environmental factors. One of the objective of this study was to couple a... |
Tipo: Text |
Palavras-chave: Biomonitoring; Dynamic Energy Budget; Model; Trace metals; Bioaccumulation; Mytilus galloprovincialis; Mussel; Bioindicator; Surveillance; Budget énergétique dynamique; Modèle; Métaux traces; Bioaccumulation; Mytilus galloprovincialis; Moule; Bioindicateur. |
Ano: 2005 |
URL: http://archimer.ifremer.fr/doc/2005/these-356.pdf |
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Dellali, M; Romeo, M; Aissa, P. |
The variations of catalase activity, which is a biochemical biomarker of exposure to an oxidative stress, were followed month by month (from May 1998 to May 1999) in Mediterranean clams (Ruditapes decussatus) collected at three stations (J, A and F), and mussels (Mytilus galloprovincialis) collected at two stations (J and C) in Lake Bizerte (Tunisia). Several oceanographic parameters were measured together with catalase activity in the animals to evaluate the quality of waters in the lake. Whatever the station taken into consideration, catalase activity in clams significantly varied as a function of the season, with marked increases in September, when the quality of waters was poor. Clams originating from station A presented the highest mean activity... |
Tipo: Text |
Palavras-chave: Biomarqueur; Catalase; Lagune de Bizerte; Moule; Palourde; Biomarker; Catalase; Lake Bizerte; Mussel; Clam. |
Ano: 2001 |
URL: http://archimer.ifremer.fr/doc/00322/43354/42859.pdf |
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Lallias, Delphine. |
Genetic linkage maps consist of ordering molecular markers across the genome and require a high number of markers for a good coverage of the genome. Such maps represent a framework which enables the identification and localisation of Quantitative Trait Loci (QTLs) for traits of interest, such as growth or disease resistance, with the final aim of achieving genetic improvement through marker-assisted selection (MAS). Data on bivalves are scarce. No genetic map has yet been constructed in any mussel or flat oyster species. We report construction of a preliminary genetic linkage map in the blue mussel, Mytilus edulis (n=14). Amplified Fragment Length Polymorphism (AFLP) markers were used in a mapping family containing 86 full-sibs issued from a controlled... |
Tipo: Text |
Palavras-chave: Microsatellite; AFLP; Mussel; Flat oyster; QTL; Genetic mapping; Microsatellite; AFLP; Moule; Huître plate; QTL; Cartographie génétique. |
Ano: 2007 |
URL: http://archimer.ifremer.fr/doc/2007/these-2603.pdf |
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Mazurie, Joseph; Bouget, Jean-francois; Claude, Serge; Fleury, Pierre-gildas; Langlade, Aime. |
Mussel samples have been placed in plastic-mesh bags hung on wood poles (« bouchots »), at 4 locations of a mussel culture area in the bay of Vilaine (South Brittany, France). They have been monitored for one year, from February 2000 to February 2001. The recorded growth have been rather fast (plus 1.2 g per month between April and September), and mortalities moderate (between 15% to 25%), with better results in southern stations, further from the estuary. Among the physico-chemical parameters recorded, the most striking were very low salinities (below 10 g/l) recorded for days, after heavy rains. They provoqued a valve closure of mussels (recorded by a « valvometer »). Some physiological indicators being tested (muscle force and hermeticity) seemed to... |
Tipo: Text |
Palavras-chave: Valve movements; Hermeticity; Muscle strength; Mortality; Growth; South Brittany; Bay of Vilaine; Mytilus edulis; Mussel; Écartements valvaires; Herméticité; Force musculaire; Mortalité; Croissance; Bretagne sud; Baie de Vilaine; Mytilus edulis; Moule. |
Ano: 2001 |
URL: http://archimer.ifremer.fr/doc/2001/rapport-6373.pdf |
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Mitta, Guillaume. |
Les mécanismes immunitaires innés des vertébrés sont une mosaïque de mécanismes ancestraux partagés avec des animaux évolutivement plus primitifs. Les peptides antimicrobiens sont une de ces composantes conservées au travers du règne animal. En effet, ils participent vraisemblablement chez tous les métazoaires aux processi d'immunité innée. Toutefois, leurs implications dans la réponse anti-infectieuse peuvent être assez différentes. L'objet de cette thèse était de comprendre comment ces peptides participaient aux processi de défense de la moule. Une première phase de caractérisation biochimique de telles molécules avait été entreprise chez la moule, Mytilus galloprovincialis, dans le cadre de la thèse de Florence Hubert. Notre travail a consisté (i) à... |
Tipo: Text |
Palavras-chave: Immunité; Peptides; Antibiotiques; Moule; Défensine. |
Ano: 1999 |
URL: http://archimer.ifremer.fr/doc/00439/55101/56547.pdf |
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Richard, Pierre; Blanchard, Gerard; Goulletquer, Philippe. |
The trophic resources of cultivated mussel have! been characterized and their contribution to the food of these molluscs estimated in the Bay of Aiguillon (France) through the analysis of their natural C and N isotope composition. The contribution of terrestrial organic matter (δ(13)C = -27 to -34 %0) to mussel food resources is around 10% along the year, except in winter (15 10 30 %). A large seasonal variation is observed in the utilization of oceanic phytoplanktoll (δ(13)C = -19 to -21.5 %0) and of littoral benthic productions (microphytobenthos and phanerogame detritus,δ(13)C = -12.0 to -16.7 %0). Overall, the main food source of mussels is formed by benthic productions for molluscs grown on poles, in peculiar in the South of... |
Tipo: Text |
Palavras-chave: Détritus; Production primaire; Isotope stable; Source trophique; Moule. |
Ano: 2000 |
URL: http://archimer.ifremer.fr/doc/2000/publication-2774.pdf |
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Robert, Stephane; Bouget, Jean-francois; Fleury, Elodie; Chauvin, Jacky; Gagnery, Aline; Normand, Julien; Blin, Jean Louis; Cheve, Julien; Dagault, Francoise; Gerla, Daniel; Lejolivet, Aurore; Penot, Julia; Chabirand, Jean-michel; Genauzeau, Sylvie; Geairon, Philippe; Grizon, James; Le Moine, Olivier; Schmitt-gallotti, Anne; Seugnet, Jean-luc; Soletchnik, Patrick. |
Le réseau national Mytilobs est implanté dans les principales régions mytilicoles du littoral atlantique : Normandie, Bretagne Nord, Bretagne Sud, Pays de Loire et Poitou-Charentes. Les sites d’Agon (Ouest Cotentin), du Vivier (baie du Mont Saint-Michel), de Pont Mahé (baie de Vilaine), de l’Aiguillon (pertuis Breton), d’Yves (pertuis d’Antioche) représentent l'élevage sur bouchot du Nord au Sud. Le site Filière (pertuis Breton) représente l’élevage sur corde, en pleine eau. La mise à l’eau des cheptels sur l’ensemble des sites du réseau, en septembre 2013, s’est faite à partir d’un même lot de moules calibrées (23,97 +/- 0,7mm), captées sur corde dans le pertuis Breton. Les prélèvements de la campagne 2014 (septembre 2013-décembre 2014) sont trimestriels.... |
Tipo: Text |
Palavras-chave: Mytilus edulis; Moule; Bouchot; Mortalité; Croissance; Température; Phytoplancton; Réseau; Biométrie; Environnement. |
Ano: 2015 |
URL: http://archimer.ifremer.fr/doc/00270/38086/36231.pdf |
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Registros recuperados: 25 | |
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