eels

Summary

Summary: Common name for an order (Anguilliformes) of voracious, elongate, snakelike teleost fishes.

Top Publications

  1. Aroua S, Schmitz M, Baloche S, Vidal B, Rousseau K, Dufour S. Endocrine evidence that silvering, a secondary metamorphosis in the eel, is a pubertal rather than a metamorphic event. Neuroendocrinology. 2005;82:221-32 pubmed
    ..we compared the profiles of pituitary and peripheral hormones during the transition from yellow to silver female eels. A strong activation of the gonadotropic axis was shown during silvering...
  2. Lokman P, Kazeto Y, Ijiri S, Young G, Miura T, Adachi S, et al. Ovarian mitochondrial cytochrome b mRNA levels increase with sexual maturity in freshwater eels (Anguilla spp.). J Comp Physiol B. 2003;173:11-9 pubmed
    Differential display of mRNA was used to identify an upregulated gene in ovaries of artificially maturing Japanese eels (Anguilla japonica)...
  3. Bshary R, Hohner A, Ait el Djoudi K, Fricke H. Interspecific communicative and coordinated hunting between groupers and giant moray eels in the Red Sea. PLoS Biol. 2006;4:e431 pubmed
    ..We provide evidence of the following: (1) associations are nonrandom, (2) groupers signal to moray eels in order to initiate joint searching and recruit moray eels to prey hiding places, (3) signalling is dependent on ..
  4. Knights B. A review of the possible impacts of long-term oceanic and climate changes and fishing mortality on recruitment of anguillid eels of the Northern Hemisphere. Sci Total Environ. 2003;310:237-44 pubmed
    Possible causes of declines in recruitment of European, American and Japanese eels to continental waters are reviewed...
  5. Schuetze A, Heberer T, Juergensen S. Occurrence of residues of the veterinary drug malachite green in eels caught downstream from municipal sewage treatment plants. Chemosphere. 2008;72:1664-70 pubmed publisher
    ..green (MG), a veterinary drug illegally used for the treatment of aquacultured fish, have been found in wild eels caught from surface waters downstream from the sewers of different municipal sewage treatment plants (STPs)...
  6. Sebert M, Legros C, Weltzien F, Malpaux B, Chemineau P, Dufour S. Melatonin activates brain dopaminergic systems in the eel with an inhibitory impact on reproductive function. J Neuroendocrinol. 2008;20:917-29 pubmed publisher
    ..GnRH) and a strong dopaminergic (DA) inhibition are responsible for the blockade of gonad development if silver eels are prevented from their reproductive migration...
  7. Damjanović I, Byzov A, Bowmaker J, Gacic Z, Utina I, Maximova E, et al. Photopic vision in eels: evidences of color discrimination. Ann N Y Acad Sci. 2005;1048:69-84 pubmed
    ..The existence of green-sensitive and blue-sensitive cone units was thus revealed by both electrophysiological and microspectrophotometric techniques...
  8. Nakamura O, Inaga Y, Suzuki S, Tsutsui S, Muramoto K, Kamiya H, et al. Possible immune functions of congerin, a mucosal galectin, in the intestinal lumen of Japanese conger eel. Fish Shellfish Immunol. 2007;23:683-92 pubmed
    ..The mucus agglutinated rabbit erythrocytes, and the agglutination was hampered by anti-congerin antibody. Furthermore, congerin could bind to some enteric bacteria. These results support the above hypothesis...
  9. Tsukada T, Takei Y. Integrative approach to osmoregulatory action of atrial natriuretic peptide in seawater eels. Gen Comp Endocrinol. 2006;147:31-8 pubmed
    Atrial natriuretic peptide (ANP) reduces plasma Na+ concentration and promotes seawater (SW) adaptation in SW eels. However, little is known about the mechanisms for the hyponatremic effect of ANP...

More Information

Publications62

  1. Moravec F, Taraschewski H, Anantaphruti M, Maipanich W, Laoprasert T. Heliconema longissimum (Ortlepp, 1923) (Nematoda: Physalopteridae) from Pisodonophis boro (Teleostei: Ophichthidae) in Thailand, with remarks on the taxonomy of the Proleptinae Schulz, 1927. Syst Parasitol. 2007;66:73-80 pubmed
    ..nematodes identified as Heliconema longissimum (Ortlepp, 1923) were collected from the stomach of rice-paddy eels Pisodonophis boro (Hamilton) (Anguilliformes: Ophichthidae) from two brackish-water localities (mangroves) in ..
  2. Mehta R, Wainwright P. Functional morphology of the pharyngeal jaw apparatus in moray eels. J Morphol. 2008;269:604-19 pubmed publisher
    Moray eels (Muraenidae) are a relatively large group of anguilliform fishes that are notable for their crevice-dwelling lifestyle and renowned for their ability to consume large prey...
  3. Van Campenhout K, Goenaga Infante H, Goemans G, Belpaire C, Adams F, Blust R, et al. A field survey of metal binding to metallothionein and other cytosolic ligands in liver of eels using an on-line isotope dilution method in combination with size exclusion (SE) high pressure liquid chromatography (HPLC) coupled to Inductively Coupled. Sci Total Environ. 2008;394:379-89 pubmed publisher
    ..The close relationship between the cytosolic metal load and the total MT levels or the metals bound on the MT pool indicates that the metals, rather than other stress factors, are the major factor determining MT induction...
  4. Eagderi S, Adriaens D. Cephalic morphology of Pythonichthys macrurus (Heterenchelyidae: Anguilliformes): specializations for head-first burrowing. J Morphol. 2010;271:1053-65 pubmed publisher
    The Heterenchelyidae, a family of Anguilliformes, are highly specialized fossorial eels. This study was conducted to evaluate the cranial specialization in relation to head-first burrowing behavior in the heterenchelyid, Pythonichthys ..
  5. Nobata S, Takei Y. The area postrema in hindbrain is a central player for regulation of drinking behavior in Japanese eels. Am J Physiol Regul Integr Comp Physiol. 2011;300:R1569-77 pubmed publisher
    ..circumventricular organ (CVO) in the medulla oblongata, in the regulation of drinking behavior of seawater (SW) eels. The antidipsogenic effects of ghrelin and atrial natriuretic peptide and hypervolemia and hyperosmolemia (1 M ..
  6. Cucherousset J, Acou A, Blanchet S, Britton J, Beaumont W, Gozlan R. Fitness consequences of individual specialisation in resource use and trophic morphology in European eels. Oecologia. 2011;167:75-84 pubmed publisher
    ..e. narrower and broader headed individuals), demonstrating the existence of disruptive selection associated with individual specialisation...
  7. van Beurden S, Forlenza M, Westphal A, Wiegertjes G, Haenen O, Engelsma M. The alloherpesviral counterparts of interleukin 10 in European eel and common carp. Fish Shellfish Immunol. 2011;31:1211-7 pubmed publisher
    ..The presence and structural conservation of these alloherpesviral IL-10 genes suggest that they might play an important role in the evolution of pathogenesis...
  8. Li L, Liu Y, Liu B, Zhang L. Morphological and molecular evidence for a new species of the genus Raphidascaris (Nematoda: Anisakidae) from marine fishes from the South China Sea. Parasitol Res. 2012;110:1473-9 pubmed publisher
    ..I.) longispicula sp. nov. are analyzed and compared with the closely related nematode sequences. Molecular analyses seem to support the validity of this new nematode species based on morphological observation...
  9. Nobata S, Ando M, Takei Y. Hormonal control of drinking behavior in teleost fishes; insights from studies using eels. Gen Comp Endocrinol. 2013;192:214-21 pubmed publisher
    ..It seems that the neural and hormonal mechanism that regulates drinking behavior has evolved from fishes depending on the availability of water in their natural habitats. ..
  10. Kozaka T, Fujii Y, Ando M. Central effects of various ligands on drinking behavior in eels acclimated to seawater. J Exp Biol. 2003;206:687-92 pubmed
    ..The stimulatory effect of intravenous eANG II disappeared immediately, and was followed by an inhibition, which could be well explained by an increase in eANP secretion from the atrium...
  11. Shionyu Mitsuyama C, Ito Y, Konno A, Miwa Y, Ogawa T, Muramoto K, et al. In vitro evolutionary thermostabilization of congerin II: a limited reproduction of natural protein evolution by artificial selection pressure. J Mol Biol. 2005;347:385-97 pubmed
    ..The results showed that the artificial pressure made congerin II partially reproduce the natural evolution of congerin I...
  12. Minegishi Y, Henkel C, Dirks R, van den Thillart G. Genomics in eels--towards aquaculture and biology. Mar Biotechnol (NY). 2012;14:583-90 pubmed publisher
    Freshwater eels (genus Anguilla), especially the species inhabiting the temperate areas such as the European, American and Japanese eels, are important aquaculture species...
  13. Aoyama J, Wouthuyzen S, Miller M, Inagaki T, Tsukamoto K. Short-distance spawning migration of tropical freshwater eels. Biol Bull. 2003;204:104-8 pubmed
  14. Brown K, Rüber L, Bills R, Day J. Mastacembelid eels support Lake Tanganyika as an evolutionary hotspot of diversification. BMC Evol Biol. 2010;10:188 pubmed publisher
    ..Mastacembelid eels (Teleostei: Mastacembelidae) are a predominately riverine family of freshwater fish, occurring across Africa and ..
  15. Palstra A, Schnabel D, Nieveen M, Spaink H, van den Thillart G. Swimming suppresses hepatic vitellogenesis in European female silver eels as shown by expression of the estrogen receptor 1, vitellogenin1 and vitellogenin2 in the liver. Reprod Biol Endocrinol. 2010;8:27 pubmed publisher
    When European silver eels (Anguilla anguilla) venture into the Atlantic Ocean for their 6,000 km semelparous spawning run to the Sargasso Sea, they are still in a prepubertal stage...
  16. Inoue J, Miya M, Miller M, Sado T, Hanel R, Hatooka K, et al. Deep-ocean origin of the freshwater eels. Biol Lett. 2010;6:363-6 pubmed publisher
    Of more than 800 species of eels of the order Anguilliformes, only freshwater eels (genus Anguilla with 16 species plus three subspecies) spend most of their lives in freshwater during their catadromous life cycle...
  17. Valiente E, Padrós F, Lamas J, Llorens A, Amaro C. Microbial and histopathological study of the vibriosis caused by Vibrio vulnificus serovar E in eels: the metalloprotease Vvp is not an essential lesional factor. Microb Pathog. 2008;45:386-93 pubmed publisher
    Vibrio vulnificus biotype 2 serovar E (Bt2-serE) is a zoonotic pathogen that causes a haemorrhagic septicaemia in eels, called warm water vibriosis...
  18. Esteve C, Valera L, Gutierrez C, Ventosa A. Taxonomic study of sucrose-positive Aeromonas jandaei-like isolates from faeces, water and eels: emendation of A. jandaei Carnahan et al. 1992. Int J Syst Evol Microbiol. 2003;53:1411-9 pubmed
    Fourteen sucrose-positive Aeromonas jandaei-like isolates from fresh water and reared European eels were subjected to a polyphasic study to determine their taxonomic position...
  19. Kalujnaia S, McWilliam I, Zaguinaiko V, Feilen A, Nicholson J, Hazon N, et al. Transcriptomic approach to the study of osmoregulation in the European eel Anguilla anguilla. Physiol Genomics. 2007;31:385-401 pubmed
    ..The life cycle of the European eel includes two migratory periods, the second being the migration of FW eels back to the Sargasso Sea for reproduction...
  20. Tse W, Au D, Wong C. Characterization of ion channel and transporter mRNA expressions in isolated gill chloride and pavement cells of seawater acclimating eels. Biochem Biophys Res Commun. 2006;346:1181-90 pubmed
    ..In this study, we isolated the gill PVCs and CCs from seawater acclimating Japanese eels to address the issue...
  21. Odom E, Vasta G. Characterization of a binary tandem domain F-type lectin from striped bass (Morone saxatilis). J Biol Chem. 2006;281:1698-713 pubmed publisher
    ..In contrast with the amniotes, in which the F-type lectins appear conspicuously absent, the widespread gene duplication in the teleost fish suggests these F-type lectins acquired increasing evolutionary value within this taxon...
  22. Robinet T, Feunteun E. Sublethal effects of exposure to chemical compounds: a cause for the decline in Atlantic eels?. Ecotoxicology. 2002;11:265-77 pubmed
    Because of their unusual life cycle, American and European eels (Anguilla rostrata Lesueur and A. anguilla L.), are particularly exposed to pollutant effects...
  23. Mehta R, Ward A, Alfaro M, Wainwright P. Elongation of the body in eels. Integr Comp Biol. 2010;50:1091-105 pubmed publisher
    ..The three major clades of eels we examined have slightly different mechanisms of elongation...
  24. Mehta R, Wainwright P. Raptorial jaws in the throat help moray eels swallow large prey. Nature. 2007;449:79-82 pubmed
    ..Moray eels display much less effective suction-feeding abilities...
  25. Salvadori S, Coluccia E, Cannas R, Cau A, Deiana A. Replication banding in two Mediterranean moray eels: chromosomal characterization and comparison. Genetica. 2003;119:253-8 pubmed
    ..A comparative analysis of the banding patterns allowed to point out high karyotype similarity as well as chromosome rearrangements that occurred in karyotype evolution between these species...
  26. Stone R. Ecology. Freshwater eels are slip-sliding away. Science. 2003;302:221-2 pubmed
  27. Yuge S, Inoue K, Hyodo S, Takei Y. A novel guanylin family (guanylin, uroguanylin, and renoguanylin) in eels: possible osmoregulatory hormones in intestine and kidney. J Biol Chem. 2003;278:22726-33 pubmed
    ..osmoregulation, the intestinal hormone guanylins may perform major functions, especially in euryhaline fish such as eels and salmonids. From the intestine of an eel, we identified cDNAs encoding three distinct guanylin-like peptides...
  28. Pierron F, Baudrimont M, Dufour S, Elie P, Bossy A, Baloche S, et al. How cadmium could compromise the completion of the European eel's reproductive migration. Environ Sci Technol. 2008;42:4607-12 pubmed
    ..Both control and Cd precontaminated female silver eels were experimentally matured and forced to swim in metal-free conditions to mimic their reproductive migration...
  29. Santos M, Gibson D. Morphological features of Prosorhynchus crucibulum and P. aculeatus (Digenea: Bucephalidae), intestinal parasites of Conger conger (Pisces: Congridae), elucidated by scanning electron microscopy. Folia Parasitol (Praha). 2002;49:96-102 pubmed
    ..P. aculeatus has spines of a different shape, as wide as they are long and with a rounded margin. They cover the whole body and almost the entire rhynchus, but none were found in the middle of the rhynchus or on its neck region...
  30. Kritsky D, Pandey K, Agrawal N, Abdullah S. Monogenoids from the gills of spiny eels (Teleostei: Mastacembelidae) in India and Iraq, proposal of Mastacembelocleidus gen. n., and status of the Indian species of Actinocleidus, Urocleidus and Haplocleidus (Monogenoidea: Dactylogyridae). Folia Parasitol (Praha). 2004;51:291-8 pubmed
    ..n. (Monogenoidea: Dactylogyridae) is proposed to include two species collected and redescribed from spiny eels (Mastacembelidae) in India and Iraq: Mastacembelocleidus bam (Tripathi, 1959) comb. n. (syn...
  31. Hu G, Kusakabe M, Takei Y. Localization of diversified relaxin gene transcripts in the brain of eels. Gen Comp Endocrinol. 2011;172:430-9 pubmed publisher
    ..did not detect differences in expression of any rln3 or rln gene between freshwater- and seawater-acclimated eels. In situ hybridization showed that rln3a was expressed in neurons of the lateral lemniscus of the midbrain and of ..
  32. Henkel C, Burgerhout E, de Wijze D, Dirks R, Minegishi Y, Jansen H, et al. Primitive duplicate Hox clusters in the European eel's genome. PLoS ONE. 2012;7:e32231 pubmed publisher
    ..However, the key morphological innovation elsewhere in the eel's life history coincides with the evolutionary origin of its Hox repertoire. ..
  33. Tsukamoto K. Oceanic biology: spawning of eels near a seamount. Nature. 2006;439:929 pubmed
    Discoveries of the larvae of the European and American eels, Anguilla anguilla and A. rostrata, in the Sargasso Sea and of the Japanese eel, A...
  34. Baba S, Kajikawa M, Okada N, Kawai G. Solution structure of an RNA stem-loop derived from the 3' conserved region of eel LINE UnaL2. RNA. 2004;10:1380-7 pubmed
  35. Miura T, Higuchi M, Ozaki Y, Ohta T, Miura C. Progestin is an essential factor for the initiation of the meiosis in spermatogenetic cells of the eel. Proc Natl Acad Sci U S A. 2006;103:7333-8 pubmed
    ..We conclude that DHP, a progestin, is an essential factor for the initiation of meiosis...
  36. Kajikawa M, Ichiyanagi K, Tanaka N, Okada N. Isolation and characterization of active LINE and SINEs from the eel. Mol Biol Evol. 2005;22:673-82 pubmed
    ..These elements are thus useful for delineating the amplification mechanism of stringent type LINEs as well as that of SINEs...
  37. Nakamura O, Matsuoka H, Ogawa T, Muramoto K, Kamiya H, Watanabe T. Opsonic effect of congerin, a mucosal galectin of the Japanese conger, Conger myriaster (Brevoort). Fish Shellfish Immunol. 2006;20:433-5 pubmed
  38. Konno A, Ogawa T, Shirai T, Muramoto K. Reconstruction of a probable ancestral form of conger eel galectins revealed their rapid adaptive evolution process for specific carbohydrate recognition. Mol Biol Evol. 2007;24:2504-14 pubmed
    ..Thus, protein engineering using a probable ancestral form presented here is a powerful approach not only to determine the evolutionary process but also to investigate the structure-activity relationships of proteins...
  39. Zimmerman J, Welsh S. Prevalence of Anguillicoloides crassus and growth variation in migrant yellow-phase American eels of the upper Potomac River drainage. Dis Aquat Organ. 2012;101:131-7 pubmed publisher
    Prevalence of the non-native swim bladder nematode Anguillicoloides crassus has recently increased in American eels from estuaries of the North American Atlantic coast, but little is known about parasite prevalence or conditions of ..
  40. Alcaide E, Blasco M, Esteve C. Mechanisms of quinolone resistance in Aeromonas species isolated from humans, water and eels. Res Microbiol. 2010;161:40-5 pubmed publisher
    ..media, Aeromonas salmonicida, Aeromonas popoffii and Aeromonas veronii, recovered from humans, freshwater and eels. The quinolone resistance-determining regions (QRDRs) of gyrA and parC genes were sequenced in these resistant ..
  41. Reece J, Bowen B, Joshi K, Goz V, Larson A. Phylogeography of two moray eels indicates high dispersal throughout the indo-pacific. J Hered. 2010;101:391-402 pubmed publisher
    ..In contrast, moray eels have the longest pelagic larval stages among reef fishes, possibly providing opportunities to disperse over great ..
  42. Yuge S, Yamagami S, Inoue K, Suzuki N, Takei Y. Identification of two functional guanylin receptors in eel: multiple hormone-receptor system for osmoregulation in fish intestine and kidney. Gen Comp Endocrinol. 2006;149:10-20 pubmed
    ..esophagus, stomach and intestine) and kidney, and their expression was higher in the intestine of seawater-adapted eels than that of freshwater eels just as observed with the guanylin genes...
  43. Jeng S, Pasquier J, Yueh W, Chen G, Lee Y, Dufour S, et al. Differential regulation of the expression of cytochrome P450 aromatase, estrogen and androgen receptor subtypes in the brain-pituitary-ovarian axis of the Japanese eel (Anguilla japonica) reveals steroid dependent and independent mechanisms. Gen Comp Endocrinol. 2012;175:163-72 pubmed publisher
    ..Female eels treated with catfish pituitary homogenate (CPH) to induce sexual maturation showed an increase in the expression of ..
  44. Tsukamoto K, Chow S, Otake T, Kurogi H, Mochioka N, Miller M, et al. Oceanic spawning ecology of freshwater eels in the western North Pacific. Nat Commun. 2011;2:179 pubmed publisher
    The natural reproductive ecology of freshwater eels remained a mystery even after some of their offshore spawning areas were discovered approximately 100 years ago...
  45. Tsutsui S, Iwamoto K, Nakamura O, Watanabe T. Yeast-binding C-type lectin with opsonic activity from conger eel (Conger myriaster) skin mucus. Mol Immunol. 2007;44:691-702 pubmed
    ..These findings suggest that conCL-s acts as an opsonin and plays an important role in the innate immunity on the body surface in conger eels.
  46. Ogawa T, Shirai T, Shionyu Mitsuyama C, Yamane T, Kamiya H, Muramoto K. The speciation of conger eel galectins by rapid adaptive evolution. Glycoconj J. 2002;19:451-8 pubmed
    ..In this review article we summarize and discuss the molecular evolution, especially the rapid adaptive evolution, and the structure-function relationships of conger eel galectins...
  47. Takei Y, Yuge S. The intestinal guanylin system and seawater adaptation in eels. Gen Comp Endocrinol. 2007;152:339-51 pubmed
    ..identified multiple guanylins (guanylin, uroguanylin and renoguanylin) and their receptors (GC-C1 and GC-C2) in eels. The relative potency of the three ligands on cGMP production in transiently expressed receptors was uroguanylin &..
  48. Nobata S, Ventura A, Kaiya H, Takei Y. Diversified cardiovascular actions of six homologous natriuretic peptides (ANP, BNP, VNP, CNP1, CNP3, and CNP4) in conscious eels. Am J Physiol Regul Integr Comp Physiol. 2010;298:R1549-59 pubmed publisher
    ..In this study, we newly identified CNP3 and CNP4 in eels to use homologous peptides, but the CNP2 gene may have been silenced in this species...
  49. Inoue J, Miya M, Tsukamoto K, Nishida M. Evolution of the deep-sea gulper eel mitochondrial genomes: large-scale gene rearrangements originated within the eels. Mol Biol Evol. 2003;20:1917-24 pubmed
    ..During the course of molecular phylogenetic studies on the Elopomorpha (eels and their allies), we found that mitochondrial genomes (mitogenomes) from the two deep-sea gulper eels, Eurypharynx ..
  50. Reece J, Bowen B, Smith D, Larson A. Molecular phylogenetics of moray eels (Muraenidae) demonstrates multiple origins of a shell-crushing jaw (Gymnomuraena, Echidna) and multiple colonizations of the Atlantic Ocean. Mol Phylogenet Evol. 2010;57:829-35 pubmed publisher
    Moray eels (Muraenidae) are apex predators on coral reefs around the world, but they are not well studied because their cryptic habitats and occasionally aggressive behaviors make them difficult to collect...
  51. Gagnaire P, Albert V, Jonsson B, Bernatchez L. Natural selection influences AFLP intraspecific genetic variability and introgression patterns in Atlantic eels. Mol Ecol. 2009;18:1678-91 pubmed publisher
    ..The Atlantic eels Anguilla rostrata and A...
  52. Vidal B, Pasqualini C, Le Belle N, Holland M, Sbaihi M, Vernier P, et al. Dopamine inhibits luteinizing hormone synthesis and release in the juvenile European eel: a neuroendocrine lock for the onset of puberty. Biol Reprod. 2004;71:1491-500 pubmed
    ..According to a protocol previously developed in the striped bass, eels received sustained treatments with GnRH agonist (GnRHa), DA-receptor antagonist (pimozide), and testosterone (T) ..
  53. Heatwole H, Powell J. Resistance of eels (Gymnothorax) to the venom of sea kraits (Laticauda colubrina): a test of coevolution. Toxicon. 1998;36:619-25 pubmed
    b>Eels of the genus Gymnothorax from the Pacific are selectively preyed upon by banded sea kraits (Laticauda colubrina) and have been reported to sustain massive doses of sea krait venom without ill effect...