Publications
| Title | Abstract | Year Filter | PMID(sorted descending) Filter |
|---|
| endocrine and metabolic changes in anguilla anguilla l. following exposure to beta-naphthoflavone--a microsomal enzyme inducer. | anguilla anguilla l. were exposed during 24 and 48 h to 2.7 mum beta-naphthoflavone (bnf), a known microsomal enzyme inducer. the bnf effects on thyroid-stimulating hormone (tsh), free triiodothyronine (t3), free thyroxine (t4) and cortisol plasma levels were investigated. alterations on plasma glucose and lactate levels were also measured as an indication of energy-mobilizing hormones alterations. bnf showed to be able to decrease significantly a. anguilla plasma t4 levels, whereas tsh, t3 and ... | 2005 | 15607783 |
| distribution and fate of hbcd and tbbpa brominated flame retardants in north sea estuaries and aquatic food webs. | tetrabromobisphenol a (tbbpa) and hexabromocyclododecane diastereoisomers (alpha-, beta/-, and gamma-hbcd) were investigated in effluents from sewage treatment works, landfill leachates, sediments, and food web organisms of the north sea basin. residues were quantified by liquid chromatography-mass spectrometry. both flame retardants were enriched in sewage sludges, where a maximum total (sigma) hbcd concentration of 9.1 mg/kg (dry weight; d.w.) was found; tbbpa was at levels of 102 microg/kg. l ... | 2004 | 15575264 |
| ph regulation and swimbladder function in fish. | gas gland cells of the european eel (anguilla anguilla) are specialized for the production and secretion of acidic metabolites. although typically exposed to high oxygen partial pressures, they convert glucose mainly into lactate, but also produce co2 in the pentose phosphate shunt. only a very small fraction of glucose is oxidized via aerobic metabolism. although the buffer capacity of gas gland cells appears to be high, even at low extracellular ph values intracellular ph is always kept about ... | 2004 | 15556101 |
| [seasonal dynamics of the component community structure of parasites of the minnow phoxinus phoxinus (l.)]. | the material represented by 75 specimens of minnow of the age 2-2(+) was collected according to the standard technique in the chovju river (tributary of the vychegda river, a region of the settlement nizniy chov, district of syktyvkar town) during the period june-september 2000. the quantitative estimation of the structure of the component parasite communities was performed by calculating errors of the equation of regression for each species group separately, with subsequent summarizing of means ... | 2004 | 15553771 |
| differences in susceptibility of the european eel (anguilla anguilla) and the japanese eel (anguilla japonica) to the swim-bladder nematode anguillicola crassus. | the swim-bladder nematode anguillicola crassus originates from the far east where it is a parasite of the japanese eel (anguilla japonica). after a. crassus was introduced to europe, it became a predominant parasite of the european eel (anguilla anguilla). a study performed with experimentally infected eels (98 days, 23 degrees c) revealed significant differences in the susceptibility of the two eel species to this parasite. the recovery rate of 30 administered infective a. crassus larvae (l3) f ... | 2004 | 15521638 |
| heavy metal contamination of european eel (anguilla anguilla) and brown trout (salmo trutta) caught in wild ecosystems in spain. | in this study we analyzed the pattern of copper (cu), cadmium (cd), lead (pb), and mercury (hg) accumulation in liver (as a detoxifying organ) and muscle (as the most important tissue for human consumption) of brown trout (salmo trutta) and european eel (anguilla anguilla) caught in two wild spanish rivers where both species are usually angled for human consumption. cd, pb, and cu accumulated preferentially in the liver of both species. hg accumulated both in the liver and muscle in brown trout, ... | 2004 | 15508654 |
| influence of vasostatins, the chromogranin a-derived peptides, on the working heart of the eel (anguilla anguilla): negative inotropy and mechanism of action. | we have studied the effects of exogenous human recombinant vasostatin-1 (vs-1), vasostatin-2 (vs-2) and the human chromogranin a (cga) 7-57 synthetic peptides on the mechanical performance of the isolated and perfused working eel (anguilla anguilla) heart. under basal conditions, the three peptides decreased stroke volume (sv) and stroke work (sw), thus exerting negative inotropism. the vs-1-mediated negative inotropism was abolished by exposure to inhibitors of either gi/o protein (pertussis to ... | 2004 | 15474532 |
| utilization of brown trout salmo trutta by acanthocephalus clavula in an irish lake: is this evidence of a host shift? | the population biology of the fish acanthocephalan acanthocephalus clavula was described from 161 wild brown trout, salmo trutta sampled over a two-year period in clogher lake in the west of ireland. overall prevalence of the parasite was 86% and the mean abundance was 53 worms per fish. despite the presence of large numbers of worms in the trout very few females (2%) attained full reproductive maturity. this suggests that trout is an accidental host. a sample of yellow eels, anguilla anguilla w ... | 2004 | 15469621 |
| influence of anguillicola crassus (nematoda) and ichthyophthirius multifiliis (ciliophora) on swimming activity of european eel anguilla anguilla. | we investigated the swimming activity of 70 european eels anguilla anguilla in relation to natural infection with 2 parasite species: the eel-specific swimbladder nematode anguillicola crassus and the non-specific skin and gill protozoan ichthyophthirius multifiliis. we measured how long individual eels exposed to a water current in a swimming channel with a steady-stream profile could withstand the water current. the parasites affected the swimming behaviour of eels in different ways. the maxim ... | 2004 | 15460857 |
| prediction of 3-d structures of fucose-binding proteins and structural analysis of their interaction with ligands. | the importance of fucose-binding proteins stems from the presence of fucose as terminal sugars in h and lewis (a) blood groups. recently, the structure of a complex between anguilla anguilla agglutinin (aaa) and alpha-l-fucose has been worked out at 1.9 a resolution. the structure of aaa characterizes the novel fold of an entire lectin family. in the present study, molecular modeling techniques have been used to identify new proteins that can provide a similar fucose binding module in the newly ... | 2004 | 15454693 |
| structure and glycosylation of the term yolk sac placenta and uterine attachment site in the viviparous shark mustelus canis. | the viviparous shark mustelus canis nurtures its young within the uterus by means of a modified yolk sac which functions as a placenta. two term specimens have been examined with a panel of 21 biotinylated lectins to assess whether glycans form a prominent interface between fetal and maternal tissues as in their therian counterparts. the yolk sac placenta was lined by a thin egg envelope which apposed though did not make contact with the uterine epithelium, and expressed fucosyl, n-acetyl glucos ... | 2004 | 15451197 |
| functional recovery and axonal growth following spinal cord transection is accelerated by sustained l-dopa administration. | the eel, anguilla anguilla, as with other fish species, recovers well from spinal cord injury. we assessed the quality of locomotion of spinally transected eels from measurements made from video recordings of individuals swimming at different speeds in a water tunnel. following transection of the spinal cord just caudal to the anus, the animals displayed higher tail beat frequencies and lower tail beat amplitudes than before surgery, owing to the loss of power in this region. swimming performanc ... | 2004 | 15450079 |
| temporal and spatial patterns of nestedness in eel macroparasite communities. | a nested (non-random) species composition was observed among the intestinal macroparasite communities of european eels, anguilla anguilla. nestedness was observed in 8 out of 10 component community samples from the rivers thames and test between april 2000 and october 2001. parasite component communities consisted of mainly generalist and specialist, but also accidental species, and included acanthocephalans, cestodes, nematodes and digeneans. nestedness was observed when component population si ... | 2004 | 15376779 |
| applying dna techniques to the identification of the species of dressed toasted eel products. | to differentiate the species of processed eel products, the gene identification of four fresh eel species was first established and the species of eel products collected from markets were investigated. polymerase chain reaction (pcr) and sequence analysis were used to determine the genetic variation in a 362-nucleotide region of the mitochondrial cytochrome b gene in four fresh eels including anguilla japonica, anguilla anguilla, anguilla rostrata, and muraenesox cinereus. it was found that each ... | 2004 | 15366851 |
| cloning and developmental expression of the cytochrome p450 aromatase gene (cyp19) in the european eel (anguilla anguilla). | to characterize the involvement of the aromatase gene during the process of sex determination in the european eel (anguilla anguilla), the expression of its gonadal form was determined during various developmental stages. the cloned cdna from the european eel gonad (eecyp19) contains an open reading frame of 1539 bp, encoding a deduced protein of 513 residues. the predicted amino acid sequence shows 97% identity with that of the japanese eel, and 59-69% of identity with those of the cyp19 gonada ... | 2004 | 15364210 |
| magnetic sense in the japanese eel, anguilla japonica, as determined by conditioning and electrocardiography. | magnetosensitivity of the japanese eel, anguilla japonica, was examined by conditioning and electrocardiography. marine eels, river eels and farmed eels were conditioned to an imposed magnetic field ranging from 12,663 nt to 192,473 nt parallel to the fish body, which was placed along the earth's west-east axis. electrocardiograms were recorded with electrodes placed close to the fish body inside a pvc pipe shelter. after 10-40 conditioning runs, all the eels exhibited a significant conditioned ... | 2004 | 15277551 |
| cardiac morphodynamic remodelling in the growing eel (anguilla anguilla l.). | the morphodynamic changes occurring during growth were evaluated in the eel (anguilla anguilla l.) heart. using an in vitro working heart preparation, cardiac performance of small (body mass 96.76 +/- 27.49 g; mean +/- s.d.) and large (body mass 656 +/- 12 g; mean +/- s.d.) eels was compared under basal conditions and under loading (i.e. preload and afterload) challenges. a parallel morphometric evaluation of the ventricle was made using light and transmission electron microscope images. the sma ... | 2004 | 15235015 |
| dopamine inhibits luteinizing hormone synthesis and release in the juvenile european eel: a neuroendocrine lock for the onset of puberty. | in various adult teleost fishes, lh ovulatory peak is under a dual neurohormonal control that is stimulatory by gnrh and inhibitory by dopamine (da). we investigated whether da could also be involved in the inhibitory control of lh at earlier steps of gametogenesis by studying the model of the european eel, anguilla anguilla, which remains at a prepubertal stage until the oceanic reproductive migration. according to a protocol previously developed in the striped bass, eels received sustained tre ... | 2004 | 15229141 |
| responses of european eel (anguilla anguilla l.) in two polluted environments: in situ experiments. | european eels (anguilla anguilla l.) were caged for 8 and 48 h in two polluted areas to assess the contamination cleanup process in the vouga river 2 years after the official closing of a bleached kraft pulp mill effluent (bkpme; experiment 1), and to monitor the effects induced by contaminated offward fishing harbor waters (experiment 2). plasma cortisol, glucose, and lactate were evaluated as stress responses. in experiment 1, plasma cortisol, glucose, and lactate increased after 8 h of exposu ... | 2004 | 15223262 |
| [sounds recorded in salt marshes and attributed to the european eel]. | the sounds were recorded in coastal ponds off the french atlantic coast. they are characterized by continuous series of regularly spaced sounds, each sound being composed of one to four pulses of 7.8-ms duration. the main frequencies of these sounds are under 350 hz. due to the special characteristics of these sounds, their temporal patterning, their coastal pond provenance and their close similarity to sounds made by the american eel (anguilla rostrata), we attribute them to the european eel (a ... | 2004 | 15212367 |
| delineation of the conserved functional properties of d1a, d1b and d1c dopamine receptor subtypes in vertebrates. | the three main subtypes of dopamine d(1) receptor (d(1a), d(1b) and d(1c)) subtypes found in most vertebrate groups were generated by two major steps of gene duplications, early in evolution. to identify the functional characteristics contributing to conservation of these paralogous d(1) receptors in vertebrates, the pharmacological and functional properties of fish (anguilla anguilla), amphibian (xenopus laevis) and human receptors were systematically analysed in transfected cells. the ligand-b ... | 2004 | 15207908 |
| lectinochemical studies on the affinity of anguilla anguilla agglutinin for mammalian glycotopes. | anguilla anguilla agglutinin (aaa) is a fucose-specific lectin found in the serum of the fresh water eel. it is suggested to be associated with innate immunity by recognizing disease-associated cell surface glycans, and has been widely used as a reagent in hematology and glycobiology. in order to gain a better understanding of aaa for further applications, it is necessary to elucidate its binding profile with mammalian glycotopes. we, therefore, analyzed the detailed carbohydrate specificity of ... | 2004 | 15207656 |
| differential expression of thyroid-stimulating hormone beta subunit in gonads during sex reversal of orange-spotted and red-spotted groupers. | we have cloned and characterized the full-length cdna encoding thyroid-stimulating hormone beta-subunit (tshbeta) from orange-spotted grouper epinephelus coioides. it contains 913 nucleotides with an open reading frame encoding 146 amino acids with a 20 amino acid signal peptide. the grouper mature tshbeta has 75, 70, 61, 59, 41, 42 and 40% identities to that of rainbow trout, atlantic salmon, zebrafish, european eel, chicken, mouse and human, respectively. rt-pcr analysis indicated that the tsh ... | 2004 | 15196702 |
| [avoidance of injuries to migrating fish by hydropower and water intake plants]. | every year numerous downstream migrating fish are lethally injured by hydro power plants and inlet works. especially the katadromous eel (anguilla anguilla) and anadromous species like atlantic salmon (salmo salar), which have to migrate downstream into the ocean for closing their life cycle, are highly endangered. due to their specific migratory behavioral pattern, size and morphology conventional protection techniques, like screens do not properly keep them out from getting into the power plan ... | 2004 | 15195958 |
| induction of cytochrome p4501a and biliary pah metabolites in european eel anguilla anguilla: seasonal, dose- and time-response variability in field and laboratory conditions. | induction of cytochrome p4501a in fish is a well-known indicator of exposure to polycyclic aromatic hydrocarbons (pahs) and determination of pah metabolites in bile by fixed wavelength fluorescence (ff) or synchronous fluorescence spectroscopy (sfs), has become an useful method in monitoring programs. in this work the relationship between cytochrome p4501a (erod activity) and levels of biliary pah metabolites was measured in the european eel anguilla anguilla, in both field and laboratory condit ... | 2004 | 15178075 |
| anguilla anguilla l. genotoxic and liver biotransformation responses to abietic acid exposure. | adult eels (anguilla anguilla l.) were exposed for 8, 16, 24, and 72 h to 0, 0.1, 0.3, 0.9, and 2.7 microm abietic acid (aa). genotoxicity was measured as erythrocytic nuclear abnormalities (ena), as well as dna strand breaks in blood and liver. liver cytochrome p450 (p450) content, liver ethoxyresorufin o-deethylase (erod), and glutathione s-transferase (gst) activities were determined as biotransformation biomarkers. liver alanine transaminase (alt) activity was also measured as an indication ... | 2004 | 15157574 |
| effects of fish stocking on ecosystem services: an overview and case study using the stockholm archipelago. | in this article, we focus on documented and possible effects of fish stocking in terms of ecosystem services. the increasing use of fish stocking between 1970 and 2000 in the semiurban setting of stockholm archipelago, sweden, is used as case study. the objective is to analyze this management practice from an ecosystem perspective, accounting for both the ecological and social context of releasing fish. the results show that enhancements of four native species (salmo s. trutta, salmo salar, stiz ... | 2004 | 15156349 |
| patterns of infracommunity species richness in eels, anguilla anguilla. | between october 1999 and october 2001, a total of 510 european eels anguilla anguilla were captured in 13 different samples from the rivers thames (five locations) and test (one location) in southern england. the relationship between parasite component community species richness (ccr) and maximum infracommunity species richness (icrmax) compared with that previously observed in bird and mammal hosts. specifically, the maximum number of parasite species occurring in infracommunities equalled or e ... | 2004 | 15153286 |
| individual and combined effects of cadmium and 3,3',4,4',5-pentachlorobiphenyl (pcb 126) on the humoral immune response in european eel (anguilla anguilla) experimentally infected with larvae of anguillicola crassus (nematoda). | the individual and combined effects of cadmium (cd) and 3,3',4,4',5-pentachlorobiphenyl (pcb 126) on the antibody response of fish against metazoan parasites were tested. eels experimentally infected with the swim bladder nematode anguillicola crassus were exposed to sublethal concentrations of cd and pcb 126. cd was added to the water resulting in an effective concentration of 21.7 +/- 12.8 microg/l (mean +/- s.d.). pcb 126 was applied orally at a dose of approximately 100 ng pcb 126 per g body ... | 2004 | 15151150 |
| [an antagonist to gnrh in the control of reproduction in teleost fish: dopaminergic inhibition. ancestral origin and differential conservation within vertebrates?]. | in mammals, the neurohormonal control of the pituitary gonadotropes is provided by the gonadoliberin gnrh. several studies on teleost fish indicate that a single positive control by gnrh is not a general rule among vertebrates. peter and colleagues presented the first evidence of an inhibitory neurohormonal factor, "grif" (gonadotropin-release inhibiting factor). they induced a preovulatory lh surge by injuring particular brain areas in the goldfish. subsequent in vivo and in vitro studies ident ... | 2004 | 15146957 |
| ellipsomyxa gobii (myxozoa: ceratomyxidae) in the common goby pomatoschistus microps (teleostei: gobiidae) uses nereis spp. (annelida: polychaeta) as invertebrate hosts. | nereis diversicolor o.f. müller and n. succinea frey et leuckart (polychaeta, nereidae) living in brackish shallow areas in denmark are naturally infected with tetractinomyxon actinospores. infected nereis spp. were experimentally fed to various potential fish hosts, and the actinosporean stages developed into myxosporean stages of ellipsomyxa gobii køie, 2003 (ceratomyxidae) in the gallbladder of the common goby pomatoschistus microps (krøyer) (gobiidae). the european eel anguilla anguilla (l.) ... | 2004 | 15139372 |
| characterization of sugar binding by osteoclast inhibitory lectin. | osteoclast inhibitory lectin (ocil) is a membrane-bound c-type lectin that blocks osteoclast differentiation and, via binding to its cognate receptor nkrp1d, inhibits natural killer cell-mediated cytotoxicity. ocil is a member of the natural killer cell receptor c-type lectin group that includes cd69 and nkrp1d. we investigated carbohydrate binding of soluble recombinant human and mouse ocil in enzyme-linked immunosorbent assay-based assays. ocil bound immobilized high molecular weight sulfated ... | 2004 | 15123656 |
| comparative study of x-ray computerised tomography and conventional x-ray methods in diagnosis of swimbladder infection in eels caused by anguillicola crassus. | to date, swimbladder lesions due to anguillicola crassus infection of the european eel anguilla anguilla have so far been studied only by conventional x-ray methods. this is the first study to report the use of computerised tomography (ct) for studying lesions induced by anguillicolosis. of 50 eels caught by electrofishery from lake balaton, hungary, in autumn 2002 and pre-selected by a conventional x-ray method, 22 specimens were examined with a siemens somatom plus s40 spiral ct scanner. tomog ... | 2004 | 15109137 |
| polychlorinated biphenyls and organochlorine pesticides in eels (anguilla anguilla l.) from welsh rivers. | organochlorine concentrations in the muscle tissues of eels at 41 freshwater sites across wales were surveyed in 1993. positive but weak relationships were detected between eel age or length and the concentration of some organochlorines. isomers of hch were below detection at most sites. dieldrin was widespread at 10-100 microg kt(-1) wet weight, despite its ban in sheep dip in 1989. total ddt residue concentrations averaged 73 microg kg(-1). total pcb burdens expressed as arochlor 1260, were > ... | 1997 | 15093481 |
| enzymatic and nonenzymatic antioxidants as an adaptation to phagocyte-induced damage in anguilla anguilla l. following in situ harbor water exposure. | anguilla anguilla l. were caged for 8 and 48 h in harbor water of aveiro lagoon, portugal. respiratory burst activity (rba) of peritoneal, head kidney, and gill phagocytes was measured. lipid peroxidation (lpo) was estimated in gill, kidney, and liver. liver ethoxyresorufin-o-deethylase (erod) activity, cytochrome p450 (cyt p450) content, and bile metabolites were assayed. various antioxidant enzymes, viz., glutathione peroxidase, catalase, and glutathione s-transferase and nonenzymatic antioxid ... | 2004 | 15041252 |
| application of an immunoperoxidase staining method for detection of 7,8-dihydro-8-oxodeoxyguanosine as a biomarker of chemical-induced oxidative stress in marine organisms. | 7,8-dihydro-8-oxodeoxyguanosine (8-oxo-dg) is a typical modification of dna caused by oxygen free radicals and can be an useful biomarker for pollutants inducing oxidative stress. an immunoperoxidase method using monoclonal antibody 1f7 toward 8-oxo-dg was applied to tissues and smeared cells of marine organisms for detection and quantification of oxidative dna damage in such models. the assay, previously employed on human cells, was assessed for the first time on mediterranean mussels (mytilus ... | 2004 | 15019248 |
| water transport and aquaporins in the european eel (anguilla anguilla). | 2002 | 14992144 | |
| anguilla anguilla l. antioxidants responses to in situ bleached kraft pulp mill effluent outlet exposure. | this study assesses the antioxidant enzymes activities viz., catalase, glutathione peroxidase, glutathione s-transferase and nonenzymatic antioxidant molecule such as glutathione in anguilla anguilla l. gill, kidney and liver in response to 8- and 48-h exposure to bleached kraft pulp mill effluent (bkpme). a. anguilla were caged and plunged at three different sites-50 (site 1), 100 (site 2) and 2000 m (site 3) away from the closed bkpme outlet. a significant gill (8 and 48 h) and kidney (48 h) c ... | 2004 | 14987859 |
| observations on the metazoan parasites of the atlantic salmon (salmo salar) after its reintroduction into the elbe river basin in the czech republic. | in the years 1999-2002, first studies were carried out on the metazoan parasites of atlantic salmon (salmo salar l.) recently reintroduced into the elbe river drainage system, after more than 50 years after the complete extinction of the elbe salmon population. a total of six helminth species were recorded from salmon smolts from three streams of the elbe river basin (kamenice river, jestedský and libocanský brooks) in north bohemia, czech republic, where s. salar fingerlings have been released ... | 2003 | 14971599 |
| some factors affecting the blood circulation in the common eel (anguilla anguilla). | 1951 | 14861823 | |
| [glycogenic function of eel liver (anguilla anguilla l.) after hypophysectomy]. | 1951 | 14839972 | |
| [influence of hypophysectomy on the glycogen content of liver of the eel (anguilla anguilla l.)]. | 1951 | 14839913 | |
| radiological observations on the cardiovascular system in anguilla anguilla. | 1950 | 14803616 | |
| cloning of the cdna for thyroid stimulating hormone beta subunit and changes in activity of the pituitary-thyroid axis during silvering of the japanese eel, anguilla japonica. | the purposes of this study were: (1) to clone the cdna encoding pituitary thyroid-stimulating hormone beta subunit (tsh beta) of the japanese eel, anguilla japonica, together with its genomic dna sequence, for phylogenetic analysis, and to study the regulation of the tsh beta gene expression in cultured pituitaries; and (2) to investigate the transcript levels of pituitary tsh beta mrna and the serum thyroxine profiles at different stages of ovarian development before and during silvering in the ... | 2004 | 14766001 |
| vitellogenin content in european eel (anguilla anguilla) in flanders, belgium. | as part of a large-scale monitoring program of bioaccumulating contaminants in the european eel (anguilla anguilla) in flanders (belgium), we investigated potential effects of xenoestrogens in these fish. the present paper describes the results of the plasma vitellogenin (vtg) content, measured in 142 eels sampled at 20 different locations, in relation to the internal pollution levels. to validate the blood vtg assays, a small number of eels (n=8) was exposed to 10 microg ethinylestradiol/l (ee2 ... | 2004 | 14720478 |
| effects of various hormones on the sexual maturity of european eel (anguilla anguilla l.) females from farm and lakes. | previously described and alternative methods of the induction of sexual maturation in the european eel were investigated. weekly administrations of a gonadoliberin agonist (nnrh-a=d-phe6-gnrh-ea) did not induce statistically significant effect on the gonads of treated eels in none of the dosages used (0.1 microg and 10 microg/fish). carp pituitary extract and carp pituitary extract together with a dopamine antagonist caused considerable external changes (increase in eye size) and significant gon ... | 2003 | 14711035 |
| characterisation and distribution of calcitonin gene-related peptide in a primitive teleost, the eel, anguilla anguilla and comparison with calcitonin. | radioimmunoassay (ria), radioreceptor assay and chromatography were used to study the occurrence of calcitonin gene-related peptide (cgrp) in a primitive teleost, the eel, anguilla anguilla. immunologically and biologically active cgrp-like molecules were found in brain, heart, kidney, liver, spleen and ultimobranchial body with the higher concentrations in brain, spleen and heart. gel exclusion chromatography of heart and spleen extracts followed by sds-page showed that the eel cgrp-like molecu ... | 2004 | 14700750 |
| spatio-temporal dynamics of the parasitic nematode anguillicola crassus in flanders, belgium. | despite egusa's earlier warning of the damage that the parasitic nematode anguillicola crassus could inflict on the european eel anguilla anguilla, its introduction in europe was a fact in the early 1980s. based on an elaborate dataset on anguillicola crassus infection of 11 river catchments, this paper presents the results of a detailed study on the dispersal of the parasite in flanders, belgium, and the host-parasite relationship. in addition, data from 1986 and 1997 are used for comparative p ... | 2003 | 14667034 |
| parasite infracommunity diversity in eels: a reflection of local component community diversity. | the intestinal macroparasite communities of freshwater eels (anguilla anguilla) captured in the south of england from windsor (river thames) during august 2001, and leckford (river test) during late june/july 2000, are reported for the first time. parasite component communities were among the most species rich and diverse recorded from european eels. a total of 13 intestinal macroparasite species were encountered during the study, 8 from each eel host population with 3 being common to both. acan ... | 2003 | 14653536 |
| safety of azamethiphos in eel, seabass and trout. | the safety of azamethiphos (aza), an organophosphorous insecticide and the active ingredient of salmosan, was evaluated in the european eel, seabass and rainbow trout. fish were bathed in 0.1 ppm aza for a period of 60, 120 or 240 min. after termination of each treatment fish were transferred to clean aquaria and randomly sampled over 21 days. compared to controls, brain acetylcholinesterase (ache) was inhibited up to 44, 56 and 62% in eels, seabass and trout, respectively, with the inhibition b ... | 2004 | 14643697 |
| cl- absorption in european eel intestine and its regulation. | the intestinal epithelium of the euryhaline teleost fish, anguilla anguilla, absorbs cl(-) transepithelially. this gives rise to a negative transepithelial potential at the basolateral side of the epithelium and to a measured short circuit current. cl(-) absorption occurs via bumetanide-sensitive na(+)-k(+)-2cl(-) cotransport, localized on the luminal membrane. the cotransport operates in parallel with a luminal k(+) conductance that recycles the ion into the lumen. cl(-) leaves the cell across ... | 2003 | 14598387 |
| anguilla anguilla l. plasma cortisol, lactate and glucose responses to abietic acid, dehydroabietic acid and retene. | anguilla anguilla l. were exposed to 0, 0.1, 0.3, 0.9 and 2.7 microm abietic (aa), dehydroabietic (dhaa) acids and retene (re) during 8, 16, 24 and 72 h. the eels plasma cortisol, glucose and lactate were measured. a significant decrease in plasma cortisol was observed at 72 h exposure to 0.9 and 2.7 microm re. dhaa (0.1 microm) significantly decreased plasma cortisol in eels after 8 and 24 h exposure. however, a significant plasma cortisol increase was found after 16 h, 2.7 microm aa exposure a ... | 2004 | 14592577 |
| heavy metals in fish (solea vulgaris, anguilla anguilla and liza aurata) from salt marshes on the southern atlantic coast of spain. | comparisons were made of metal concentrations in water and sediment with those in the muscle and livers of three species of fish caught in four seawater reservoirs (two in the odiel estuary and two in the bay of cádiz). the concentrations of a large number of metals in the water, sediment and fish were higher in the odiel reservoirs than in those in cádiz. we found high metal-enrichment factors in the livers as compared to muscle (over 100 for fe and cu and around 5 for zn, ni, cd and pb). the t ... | 2004 | 14592572 |
| genotoxic and biochemical responses in caged eel (anguilla anguilla l.) after short-term exposure to harbour waters. | european eel (anguilla anguilla l.) were caged and exposed in situ for 8 and 48 h to the aveiro offward fishing harbour water (hw) and to clean seawater under laboratory conditions (control). eel liver biotransformation (phase i) was measured as ethoxyresorufin-o-deethylase (erod) activity, cytochrome p450 (p450) and glutathione s-transferase (gst) activity (phase ii). genotoxic responses were determined as blood, liver and kidney dna strand breaks as well as erythrocytic nuclear abnormalities ( ... | 2004 | 14592569 |
| micronucleus test in freshwater fish species: an evaluation of its sensitivity for application in field surveys. | brown trout, salmo trutta, european eel, anguilla anguilla, and european minnow, phoxinus phoxinus, three fish species inhabiting european freshwater ecosystems, were evaluated for their use as in situ pollution biomarkers using the micronucleus test in renal erythrocytes. experimental exposure (by immersion) to different concentrations of cyclophosphamide, colchicine, and cadmium showed that brown trout are more sensitive to the three compounds than minnows and eels. in situ surveys of wild fre ... | 2003 | 14575685 |
| eel atpase activity as biomarker of thiobencarb exposure. | european eels (anguilla anguilla) were exposed to a sublethal thiobencarb concentration of 0.22 mg/l in a flow-through system for 96 h. mg(2+) and na(+)-k(+) adenosine triphosphatase (atpase) activities were evaluated in gill and muscle tissues at 2, 12, 24, 48, 72, and 96 h of thiobencarb exposure. gill atpase activities were rapidly inhibited from 2h of contact onward. highest inhibition was registered for na(+), k(+)-atpase (85%) from 2 to 12h. both mg(2+) and total atpase were inhibited (>73 ... | 2003 | 14575684 |
| accumulation and distribution of platinum and rhodium in the european eel anguilla anguilla following aqueous exposure to metal salts. | the platinum group metals (pgm) pt and rh are emitted into the environment mainly by catalytic exhaust gas converters of cars and by effluents of hospitals, which use pt based anti-cancer drugs. however, there is still a lack of information on the availability of these precious metals to the biosphere. as pgm accumulate in sediments of aquatic ecosystems we focused our study on the uptake of the noble metals by european eels, anguilla anguilla. therefore, eels were exposed in tap water and humic ... | 2004 | 14568719 |
| fish tolerance to organophosphate-induced oxidative stress is dependent on the glutathione metabolism and enhanced by n-acetylcysteine. | dichlorvos (2,2-dichlorovinyl dimethyl phosphate, ddvp) is an organophosphorus (op) insecticide and acaricide extensively used to treat external parasitic infections of farmed fish. in previous studies we have demonstrated the importance of the glutathione (gsh) metabolism in the resistance of the european eel (anguilla anguilla l.) to thiocarbamate herbicides. the present work studied the effects of the antioxidant and glutathione pro-drug n-acetyl-l-cysteine (nac) on the survival of a natural ... | 2003 | 14568351 |
| cloning of european eel (anguilla anguilla) fsh-beta subunit, and expression of fsh-beta and lh-beta in males and females after sex determination. | the european eel (anguilla anguilla) is a catadromic teleost species with a complex life cycle, both in sea and freshwater environments. the sex determination phase of gonadal development occurs in a freshwater environment. polymorphism occurs in increasing rates with respect to gender. while males stop growing at approximately 150 g, females continue to grow to being much larger. in this study, we cloned the cdna fsh-beta subunit of the european eel (a. anguilla), and measured the mrna levels o ... | 2003 | 14529754 |
| studies on water and electrolytes in cyclostomes and teleosts with special reference to myxine glutinosa l. (the hagfish) and anguilla anguilla l. (the atlantic eel). | 1962 | 14452275 | |
| [effect of hypophysectomy on the histology of the anterior interrenal gland of the eel (anguilla anguilla l.)]. | 1954 | 14376943 | |
| [effect of hypertonic saline solutions on the pituitary-hypothalamic system of the minnow phoxinus laevis and the eel anguilla anguilla l]. | 1954 | 14365018 | |
| water and electrolyte flux in the european eel (anguilla anguilla l.). | 2007 | 14337072 | |
| [correlations between rheotropism and morphogenesis, on the one hand, and histologic structure of the endocrine pancreas, on the other hand, in the glass-eel (anguilla anguilla l.)]. | 2016 | 14272355 | |
| [influence of sodium and aldosterone on the mineral unbalance following ablation of the corpuscles of stannius in the eel (anguilla anguilla l.)]. | 1964 | 14241601 | |
| [on the maturation of genital organs in the female eel (anguilla anguilla l.) and spontaneous emmision of eggs in the aquarium]. | 1964 | 14228193 | |
| [evolutive cycle, in a single intermediate host, of bothriocephalus claviceps (goeze, 1782), cestode of anguilla anguilla l]. | 2006 | 14220586 | |
| methods for the adrenalectomy of the european eel (anguilla anguilla l.). | 1964 | 14199278 | |
| [stannius' corpuscles and ionic (ca, k, na) of the interior environment of the eel (anguilla anguilla l.)]. | 1964 | 14190523 | |
| [modifications in the mineral balance of the eel (anguilla anguilla l.) following ablation of stannius' corpuscles]. | 1964 | 14186924 | |
| adaptation of the silver eel (anguilla anguilla l.) to sea water and to artificial media together with observations on the role of the gut. | 1964 | 14171654 | |
| water and electrolyte composition of the body and renal function of the eel (anguilla anguilla l.). | 1964 | 14170691 | |
| [existence of serum groups in anguilla anguilla l. demonstration by electrophoresis and autoradiography of several transferrin types]. | 1964 | 14129468 | |
| [presence of pterins in the dorsal skin of anguilla anguilla l. and their excretion into the environmental media. control of the metabolism of pterins by the pituitary]. | 1963 | 14111657 | |
| [action of reserpine on the pituitary, the interrenal gland and the chromaffin cells of the eel, anguilla anguilla l]. | 1963 | 14088805 | |
| histochemical reaction for steroid-3beta-ol-dehydrogenase in the interrenal and the corpuscles of stannius of anguilla anguilla and conger conger. | 1963 | 14087026 | |
| [methopyrone and the interrenal gland in the eel (anguilla anguilla l.)]. | 1963 | 14086542 | |
| [effect of diet and thyroxin on pancreas morphology in the eel (anguilla anguilla l.)]. | 1962 | 13941175 | |
| [corticotropic function and pituitary cytology in 2 teleosts: mollienesia latipinna le sueur and anguilla anguilla l]. | 1963 | 13940019 | |
| distribution of the sexes and environmental influence in the european eel. | 1959 | 13813567 | |
| [influence of the pituitary on the levels of corticosteroids of the plasma of the eel (anguilla anguilla l.)]. | 2006 | 13760698 | |
| [does the european eel die without reproducing itself?]. | 1961 | 13700616 | |
| increased recovery of brain acetylcholinesterase activity in dichlorvos-intoxicated european eels anguilla anguilla by bath treatment with n-acetylcysteine. | organophosphate (op) pesticides are widely used as antiparasitic chemicals in finfish aquaculture. however, current antidotes cannot be applied to treat intoxicated fish. we showed in previous studies the importance of glutathione (gsh) metabolism in pesticide resistance of the european eel anguilla anguilla l. the present work studied the effects of the antioxidant and glutathione pro-drug n-acetyl-l-cysteine (nac) on the recovery of european eels exposed for 96 h to a sublethal concentration ( ... | 2003 | 13677510 |
| genetic and antigenic analysis of betanodaviruses isolated from aquatic organisms in taiwan. | viral nervous necrosis (vnn) is a worldwide disease among marine fishes. in taiwan, nnn disease was first identified in 2 species of hatchery-reared grouper, epinephelus fuscogutatus and e. akaaya in 1994. since then, increasing mortalities have occurred among groupers epinephelus spp., and also among european eels anguilla anguilla l., yellow-wax pompano trachinotus falcatus, firespot snapper lutaanus erythropterus b., barramundi lates calcarifer, cobias rachycentron canadum, humpback groupers ... | 2003 | 13677508 |
| [influence of induced sexual maturation on thyroid activity in the male european eel, anguilla anguilla l]. | 1959 | 13663348 | |
| further attempts to induce maturation of the eggs of the european eel, anguilla anguilla l., by hormone injections. | 1958 | 13532381 | |
| [effect of hypophysectomy on the respiratory metabolism of the eel (anguilla anguilla l.)]. | 1957 | 13473223 | |
| [radiothyroidectomy in eel, anguilla anguilla l]. | 2015 | 13459372 | |
| [determination of thyrotropic hormone in the pituitary of eel (anguilla anguilla l.), cow, and rat by means of i 131 fixation in the thyroid of hypophysectomized eel]. | 1956 | 13382429 | |
| [thyrotrophic hormone and temperature in the rainbow trout (salmo gairdnerii l.) and the eel (anguilla anguilla l.)]. | 1955 | 13303421 | |
| [distribution of the blood vessels on the surface and in walls of the digestive system of anguilla anguilla l]. | 1954 | 13173715 | |
| [pituitary control of the anterior interrenal of a teleost fish, the eel (anguilla anguilla l.) variation of the ascorbic acid of the anterior interrenal after injection of acth]. | 1954 | 13173013 | |
| [pituitary control of the anterior interrenal of a telesot fish, the eel (anguilla anguilla l.); variation of the ascorbic acid of the anterior interrenal after hypophysectomy]. | 1954 | 13172984 | |
| distribution and potential role of cytosolic water-soluble phosphodiesters in fish. | the distribution of water-soluble phosphodiesters (wspdes) visible by nuclear magnetic resonance (nmr) in some intact tissues of rainbow trout (oncorhynchus mykiss walbaum) and in perchloric extracts after partial purification was examined by (31)p nmr spectroscopy. the compounds of interest were serine ethanolamine phosphate (sep), threonine ethanolamine phosphate (tep), glycerophosphorylcholine (gpc), and glycerophosphorylethanolamine (gpe). tep and sep were mostly accumulated in the heart and ... | 2003 | 13130434 |
| growth differences and growth hormone expression in male and female european eels [anguilla anguilla (l.)]. | in this study, we examined the growth differences of males and females following a sex reversion, and the growth hormone (gh) expression variation between sexes of european eels [anguilla anguilla (l.)]. a high percentage of females (88%) was found in the group fed with estradiol 17beta compared to the control group (comprised of only 6% female eels), which was defined as the male population. significant differences between growth rate and size were found following 480 days of growth, whereby th ... | 2003 | 13129507 |
| [caudal vessels of anguilla anguilla l]. | 1953 | 13127958 | |
| [research on the pituitary regulation of the anterior interrenal gland of a teleost, the eel (anguilla anguilla l.); weight variations of the anterior interrenal gland]. | 1953 | 13067448 | |
| integrating enzymatic responses to organic chemical exposure with total oxyradical absorbing capacity and dna damage in the european eel anguilla anguilla. | in this work, susceptibility to oxidative stress was analyzed under laboratory conditions in the european eel anguilla anguilla. eels were treated with increasing concentrations of benchmark environmental pollutants, namely, benzo[a]pyrene ([bap], at 0, 0.1, 1, 10, and 50 mg/kg), beta-naphthoflavone ([bnf], at 0, 0.1, 1, 10, and 50 mg/kg), arochlor 1254 (at 0, 0.1, 1, 10, and 50 mg/kg), and 2,3,7,8-tetrachlorodibenzo p-dioxin ([tcdd], at 0, 0.01, 0.1, 1, and 2 microg/kg). the integral relationsh ... | 2003 | 12959540 |
| study on pcbs, pcdd/fs, organochlorine pesticides, heavy metals and arsenic content in freshwater fish species from the river turia (spain). | in this study samples of common trout, european eel and barbel have been analysed for the levels of heavy metals such as lead (pb), cadmium (cd), zinc (zn), copper (cu), and the metalloid arsenic (as). polychlorinated biphenyls (pcbs), including three non-ortho substituted pcbs, 2,3,7,8-substituted polychlorinated dibenzo-p-dioxins (pcdds), polychlorinated dibenzofurans (pcdfs) and ddt and its two main metabolites were also analysed in some selected samples, in order to evaluate the extent of co ... | 2003 | 12892679 |
| multi-element speciation of metalloproteins in fish tissue using size-exclusion chromatography coupled "on-line" with icp-isotope dilution-time-of-flight-mass spectrometry. | an on-line isotope dilution (id) method in combination with the coupling of size-exclusion high-performance liquid chromatography (se-hplc) to an axial inductively coupled plasma time-of-flight mass spectrometer (icp-tofms) was applied to the quantitative speciation of cu, zn and cd in carp and eel cytosols. quantitative information on the distribution of essential and toxic metals between the different molecular weight fractions in kidney cytosols of control and cd exposed carp was obtained wit ... | 2003 | 12866883 |