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| Baldisserotto,Bernardo; Barata,Lauro E. S.; Silva,Amanda S.; Lobato,Waldinete F. F.; Silva,Lenise L.; Toni,Cândida; Silva,Lenise V. F.. |
| ABSTRACT The aim of this study was to determine the anesthetic efficacy of the essential oils (EOs) of Aniba rosaeodora (EOAR) and Aniba parviflora (EOAP) and one of their main compounds, linalool, in two forms: synthetic and extracted from EOAR (linalool-AR) in tambaqui (Colossoma macropomum). In the first experiment, the anesthetic induction and recovery of juveniles exposed to 25- 200 µL L-1 of EOAR or 50- 300 µL L-1 of EOAP or synthetic linalool or linalool-AR was evaluated. The second experiment observed the behavioral effects of long-term exposure (12h) of these EOs and linalools (5 and 10 µL L-1). Fish exposed to 50-200 µL L-1 of EOAR and 100-300 µL L-1 of EOAP and both linalools reached deep anesthesia between 1-10 min. Induction time for all... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Anesthetics; Linalool isomers; Rosewood oil; Sedation; Swimming behavior. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252018000100215 |
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| Ferrari, Sebastien; Chatain, Beatrice; Cousin, Xavier; Leguay, Didier; Vergnet, Alain; Vidal, Marie-odile; Vandeputte, Marc; Begout, Marie-laure. |
| Although individual electronic tagging using PIT (Passive Integrated Transponder) tags is well established, it is mainly used for fish > 60 mm in length. Since electronic tagging is an ideal identification method, we used RFID (Radio Frequency Identification) microtags (6 mm in length, 1 mm in diameter, 10 mg in mass) to characterize individual fish from the early stages of their development and throughout their lifecycles. We used sea bass, Dicentrarchus labrax, (105 day-old fish weighing between 100 and 1100 mg) and studied the effects of intra-coelomic tagging in half the population using different endpoints including survival and tag reading, growth over 6 months and swimming responses. Dead fish were counted daily, biometric data were collected at... |
| Tipo: Text |
Palavras-chave: Tagging effects; Swimming behavior; Sexual dimorphism; Dicentrarchus labrax. |
| Ano: 2014 |
URL: http://archimer.ifremer.fr/doc/00175/28645/27072.pdf |
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| Le Bihanic, Florane; Sommard, Vivien; De Lansalut, Perrine; Pichon, Anaïk; Grasset, Julie; Berrada, Saadia; Budzinski, Helene; Cousin, Xavier; Morin, Benedicte; Cachot, Jerome. |
| Benz[a]anthracene (BaA) is a ubiquitous polycyclic aromatic hydrocarbon found in numerous aquatic ecosystems. However, ecotoxicological data in aquatic organisms are scarce. To remedy this lack of data, Japanese medaka (Oryzias latipes) embryos were exposed to BaA and toxic effects were investigated at multiple toxicological endpoints. Japanese medaka embryos were incubated onto BaA-spiked artificial sediment for 9 days at low or moderate environmental concentrations ranging from 0.9 to 12 µg g−1 dw. BaA-exposed embryos exhibited significant tachycardia. BaA exposure was also shown to increase CYP1A activity in the hepato-biliary tissue as well as craniofacial deformities and DNA damage in pro-larvae. The photomotor response of BaA-exposed larvae was... |
| Tipo: Text |
Palavras-chave: Benz[a]anthracene; Spiked sediment; Teratogenicity; DNA damage; Swimming behavior; In vivo EROD activity. |
| Ano: 2015 |
URL: https://archimer.ifremer.fr/doc/00244/35513/34729.pdf |
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| Cormier, Bettie; Batel, Anika; Cachot, Jerome; Begout, Marie-laure; Braunbeck, Thomas; Cousin, Xavier; Keiter, Steffen H. |
| As wide-spread pollutants in the marine environment, microplastics (MPs) have raised public concern about potential toxic effects in aquatic organisms, and, among others, MPs were suspected to act as a vector for organic pollutants to biota. The purpose of the present study was to investigate effects by three model pollutants, oxybenzone (BP3), benzo[a]pyrene (BaP), and perfluorooctane sulfonate (PFOS) adsorbed to polyethylene MPs on the basis of a standard assay, the acute fish embryo toxicity test (FET; OECD TG 236) with zebrafish (Danio rerio) supplemented by additional endpoints such as induction of ethoxyresorufin-O-deethylase (EROD) activity, modification of cyp1a gene transcription and changes in larval swimming behavior. FET assays were performed... |
| Tipo: Text |
Palavras-chave: Fish embryotoxicity test (FET); Swimming behavior; EROD; Cyp1a; Perfluorooctane sulfonate; Benzo[a]pyrene; Oxybenzone. |
| Ano: 2019 |
URL: https://archimer.ifremer.fr/doc/00514/62545/66896.pdf |
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