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effects of endocrine-disrupting chemicals on expression of ubiquitin c-terminal hydrolase mrna in testis and brain of the japanese common goby.we investigated the effects of endocrine-disrupting chemicals (edcs) on the expression of ubiquitin c-terminal hydrolase (uch) mrna in the testis and brain of the japanese common goby, acanthogobius flavimanus. the cdna sequence of goby uch contained an open reading frame encoding 220 amino acid residues (m(r)=24,223) with 51.3% overall sequence identity with human and mouse uchl1. a competitive pcr assay was used to quantify the levels of uch mrna in the testis and brain of male gobies after ex ...200415522430
urotensin ii-immunoreactive neurons in the caudal neurosecretory system of freshwater and seawater fish.antiserum generated against synthetic urotensin ii of the goby, gillichthys mirabilis, was used to localize urotensin ii in the caudal neurosecretory system in six species of freshwater teleosts: cyprinus carpio, carassius auratus, oreochromis mossambicus, oreochromis niloticus, salmo gairdneri and plecoglossus altivelis, and six species of seawater teleosts: acanthogobius flavimanus, pagrus major, parapristipoma trilineatum, trachurus japonicus, seriola dumerili and seriola quinqueradiata. in t ...19853884162
identification of stictodora lari (heterophyidae) metacercariae encysted in the brackish water fish, acanthogobius flavimanus.metacercariae of the genus stictodora encysted in the head tissue of acanthogobius flavimanus (the gobies) caught at sachun-gun, kyongnam province, were identified to be stictodora lari yamaguti, 1939 (trematoda: heterophyidae), a new parasite fauna in korea. the metacercariae were 0.39-0.43 mm by 0.32-0.35 mm in size, long elliptical, and with a thin and transparent cyst wall. total 200 metacercariae were collected from 50 gobies. in order to obtain adult worms two kittens and a puppy were infe ...19892486837
heterophyid metacercarial infections in brackish water fishes from jinju-man (bay), kyongsangnam-do, korea.heterophyid metacercarial infections in brackish water fishes, i.e., perch, shad, mullet, redlip mullet, and goby, of jinju-man (bay), kyongsangnam-do, korea, were investigated using a digestion technique. among 45 perch (lateolabrax japonicus), the metacercariae of heterophyopsis continua were found in 55.6% (18.5 metacercariae per fish), stictodora spp. in 28.9% (3.6), and metagonimus takahashii in 6.7% (17.0). the metacercariae of h. continua were detected in 23 (65.7%) of 35 shad (konosirus ...200616514276
echinostoma hortense and heterophyid metacercariae encysted in yellowfin goby, acanthogobius flavimanus, from shinan-gun and muan-gun (jeollanam-do), korea.fishborne trematode (fbt) metacercariae were investigated in yellowfin goby, acanthogobius flavimanus, collected from shinan-gun and muan-gun, jeollanam-do (province), korea. all collected fishes were examined using the artificial digestion method. in all of 15 gobies from aphae-myeon in shinan-gun, metacercariae of stictodora spp. (334 metacercariae/fish), heterophyes nocens (153/fish), and heterophyopsis continua (20/fish) were detected. in 2 of 14 gobies from jido-myeon in shinan-gun, 8 echin ...200919724708
development of enzyme-linked immunosorbent assays for two forms of vitellogenin in japanese common goby (acanthogobius flavimanus).two vitellogenins (vgs) were detected in serum from estradiol-17beta (e(2))-injected japanese common goby (acanthogobius flavimanus). vitellogenins with molecular masses of 530 kda (vg-530) and 320 kda (vg-320) were purified, and used to raise specific antisera in rabbits. sandwich enzyme-linked immunosorbent assays (elisas) for vg-530 and vg-320 were developed using the antisera and the isolated vgs. the sensitivity ranges of these elisas were 1.25-160 ng/ml for vg-530 and 0.26-66 ng/ml for vg- ...200312714018
four human cases of acanthotrema felis (digenea: heterophyidae) infection in korea.acanthotrema felis is an intestinal trematode of cats originally reported from the republic of korea. only 1 human case infected with a single adult worm has been previously recorded. in the present study, we report 4 human cases infected with a total of 10 worms recovered after anthelmintic treatment and purging. all 4 patients reside in coastal areas of jeollanam-do, korea, and have consumed brackish water fish including the gobies, acanthogobius flavimanus. the worms averaged 0.47 mm in lengt ...201425031470
three unicapsula species (myxosporea: trilosporidae) of asian marine fishes, including the description of unicapsula setoensis n. sp. in the yellowfin goby (acanthogobius flavimanus) from the inland sea of japan.the myxosporean genus unicapsula (multivalvulida: trilosporidae) is defined as having a spore with three unequal shell valves and polar capsules, of which one is prominent and the two other polar capsules are rudimentary. genetic characterization of members of the genus, currently 11 nominal species, is, at present, unsatisfactory yet when comparing to the closely related genus kudoa (multivalvulida: kudoidae). in the present study, we characterized long ribosomal rna gene (rdna) sequences of th ...201425088472
comparative metabolomic and ionomic approach for abundant fishes in estuarine environments of japan.environmental metabolomics or ionomics is widely used to characterize the effects of environmental stressors on the health of aquatic organisms. however, most studies have focused on liver and muscle tissues of fish, and little is known about how the other organs are affected by environmental perturbations and effects such as metal pollutants or eutrophication. we examined the metabolic and mineral profiles of three kinds of abundant fishes in estuarine ecosystem, yellowfin goby, urohaze-goby, a ...201425387575
comparison of the visual capabilities of an amphibious and an aquatic goby that inhabit tidal mudflats.the mudskipper periophthalmus modestus and the yellowfin goby acanthogobius flavimanus are gobiid teleosts that both inhabit the intertidal mudflats in estuaries. while p. modestus has an amphibious lifestyle and forages on the exposed mudflat during low tide, the aquatic a. flavimanus can be found at the same mudflat at high tide. this study primarily aimed to elucidate the differential adaptations of these organisms to their respective habitats by comparing visual capacities and motor control ...201626967712
henneguya sp. in yellowfin goby acanthogobius flavimanus from the san francisco estuary.myxozoan spores were observed in yellowfin goby acanthogobius flavimanus collected from suisun marsh, san francisco estuary (sfe). although histopathological changes associated with the parasite were not observed, the spores formed plasmodia that partially blocked the gastric and intestinal mucosa and gut lumen and may affect the perfomance and survival of the yellowfin goby. morphological features of the spores resembled henneguya sp. and molecular analysis of the 18s ribosomal dna (domain iii) ...201324024104
redescription of the fish parasite nerocila japonica schioedte & meinert, 1881 (crustacea: isopoda: cymothoidae), with comments on previous records of n. acuminata in japanese waters.nerocila japonica schioedte & meinert, 1881 is redescribed based on the holotype and specimens from various localities in japanese waters. the following fishes are recorded as new hosts: tribolodon hakonensis (cyprinidae), mugil cephalus, liza affinis, chelon haematocheilus (mugilidae), lateolabrax japonicus, l. latus (lateolabracidae), acanthopagrus latus, a. schlegelii schlegelii (sparidae), rhyncopelates oxyrhynchus (terapontidae), ditrema viride, d. temminckii temminckii (embiotocidae), chae ...201222183924
two species of philometrid nematodes (philometridae) from marine fishes off japan, including philometroides branchiostegi sp. n. from branchiostegus japonicus (malacanthidae).gravid females of two species of philometrid nematodes (philometridae) were collected from marine perciform fishes in japanese waters, mainly from the southern sea of japan. based on light microscopy and scanning electron microscopy examinations, the previously described but poorly known species philometra cryptocentri yamaguti, 1961 is redescribed from specimens recovered from the abdominal cavity of acanthogobius flavimanus (temminck et schlegel), pterogobius elapoides (günther) and p. zonoleu ...201222439431
deduced primary structure of two forms of vitellogenin in japanese common goby (acanthogobius flavimanus).complete nucleotide sequences of two forms of vitellogenin (vg) cdna in japanese common goby were determined from a liver cdna library of e(2)-treated male fish. these two vg cdnas contained complete open reading frames encoding 1664 and 1238 amino acid residues including signal peptides, respectively. from comparison of the deduced amino acid sequences of both vgs and the partial amino acid sequences of the yolk proteins, the longer sequence was concluded to be cdna of the vg-530 and the shorte ...200415094332
[infection status with the metacercariae of heterophyid flukes in the brackish water fish from haenam-gun, chollanam-do, korea].an epidemiological survey was performed to know the infection status of heterophyid fluke metacercariae in the brackish water fishes purchased from a local market in haenam-gun, chollanam-do, korea from november to december, 1991. a total 20 out of 30 shads (konosirus punctatus) examined were infected with the metacercariae of h. continua (average number of larvae per an infected fish: 2.7). of 20 perches (lateolabrax japonicus), 19 were infected with the metacercariae of h. continua (average nu ...19947953241
neurotoxins from three species of california goby: clevelandia ios, acanthogobius flavimanus and gillichthys mirabilis. 1977300192
an indigenous case of intestinal capillariasis with protein-losing enteropathy in korea.we encountered an indigenous case of intestinal capillariasis with protein-losing enteropathy in the republic of korea. a 37-year-old man, residing in sacheon-si, gyeongsangnam-do, admitted to the gyeongsang national university hospital (gnuh) due to long-lasting diarrhea, abdominal pain, anasarca, and weight loss. he recalled that he frequently ate raw fish, especially the common blackish goby (acanthogobius flavimanus) and has never been abroad. under the suspicion of protein-losing enteropath ...201223230331
molecular phylogeny and host specificity of the larval eustrongylides (nematoda: dioctophmidae) from freshwater fish in china.the nematodes eustrongylides spp. collected from different fish species in china were examined for their intra- and interspecific evolutionary variations using the molecular markers mitochondrial cytochrome oxidase c subunit 1 (coi) gene and internal transcribed spacer (its) rdna regions. the phylogenetic analysis indicated that eustrongylides species are divided into 3 well-supported clades. the its divergence between the clades suggested that clades 2 and 3 might represent the same species, wh ...201322924908
molecular cloning of two estrogen receptors expressed in the testis of the japanese common goby, acanthogobius flavimanus.we isolated cdna clones of two estrogen receptors (er1 and er2) from testis of the japanese common goby (acanthogobius flavimanus). the cdnas of er1 contained 3,796 nucleotides, including an open reading frame encoding 564 amino acids (mr: 61.9 kda); the cdna for er2 was 3,274 nucleotides long, with an open reading frame of 567 amino acids (mr: 63.5 kda). the deduced aminoacid sequences of er1 and er2 each had a characteristic er structure consisting of five domains (a/b, dna-binding, d, ligand- ...200718088175
a survey of heterophyes nocens and pygidiopsis summa metacercariae in mullets and gobies along the coastal areas of the republic of korea.the infection status of mullets mugil cephalus (n = 139) and gobies (n = 35) acanthogobius flavimanus with metacercariae of heterophyes nocens and pygidiopsis summa was examined in 11 western, southern, and eastern coastal areas of the republic of korea, using a digestion technique. heterophyid metacercariae were highly prevalent in mullets from western and southern coastal areas; shinan-gun (100% for h. nocens and 100% for p. summa), muan-gun (93% and 100%), buan-gun (42% and 75%), seocheon-gun ...200717876166
studies on intestinal trematodes in korea xi. two cases of human infection by heterophyes heterophyes nocens.two human cases of heterophyes heterophyes nocens infection were proved by identifying adult worms after treatment with bithionol or praziquantel in 1983 in korea. they are 37 (case 1) and 24-year old (case 2) males whose residence or native village is a southern coastal area in kohung-gun, chollanam-do. the case 1 had the gastrointestinal symptoms such as epigastric pain and indigestion, and the case 2 heart problems such as arrhythmia and ventricular premature beat in ekg and digestive symptom ...198412891029
stictodora fuscatum (heterophyidae) metacercariae encysted in gobies, acanthogobius flavimanus.the metacercariae of the genus stictodora encysted in gobies, acanthogobius flavimanus, purchased from a local market of haenam-gun, chollanam-do, were identified as those of s. fuscatum. a total of 1,437 metacercariae were collected from 30 gobies and some of them were orally fed to cats in order to obtain the adult worms. the metacercariae were 0.194-0.301 mm by 0.168-0.270 mm in size, yellowish brown, round to elliptical, and with a thin and transparent cyst wall. the excysted larvae were 0.2 ...19947953238
complete mitochondrial genome of yellowfin goby (acanthogobius hasta).yellowfin goby (acanthogobius hasta) belongs to the perciformes gobiidae. in this study, we sequenced the complete mitochondrial genome of a. hasta. the complete mitochondrial genome was determined to be 16,663 bp in length including 13 protein-coding genes, 22 transfer rnas (trnas), 2 ribosomal rnas (rrnas) and 1 control region. the complete mitochondrial genome of a. gueldenstaedti provides basic genome data for relative studies on acipenseriformes.201625082453
infection status of estuarine fish and oysters with intestinal fluke metacercariae in muan-gun, jeollanam-do, korea.the source of human infection with intestinal flukes was surveyed in estuarine fishes, including the dotted gizzard shad, common sea bass, common blackish goby, redlip mullet, black sea bream, and oyster collected from muan-gun, jeollanam-do, korea during august and september 2007. collected fishes and oysters were artificially digested in pepsin-hcl solution and examined under a stereomicroscope. in 36 shads (konosirus punctatus) and 20 basses (lateolabrax japonicus) examined, heterophyopsis co ...201222949748
studies on intestinal trematodes in korea xiii. two cases of natural human infection by heterophyopsis continua and the status of metacercarial infection in brackish water fishes.two cases of natural human infection by heterophyopsis continua (heterophyidae) were identified by collection of adult worms in 1983 in korea. and in order to know the source of infection a study on fish intermediate hosts was performed along the southwestern coastal areas. the cases were 24 and 50-year old males residing in southern coastal areas. they had the clinical complaints of non-specific gastrointestinal symptoms such as epigastric pain and one of them also complained the discharge of t ...198412891031
life cycle of hysterothylacium haze (nematoda: anisakidae: raphidascaridinae).natural infections with hysterothylacium haze in the japanese common goby, acanthogobius flavimanus, were observed in detail. in gobies in which no worm eggs were deposited, second-stage larvae were found in the digestive tract wall, and third-stage larvae occurred in the digestive tract wall, mesentery, and body cavity, whereas fourth-stage larvae and adults were found in the body cavity. this stage-habitat relationship demonstrates the infectivity of second-stage larvae to the goby and the lar ...19892795378
molecular identification and transmission studies of x-cell parasites from atlantic cod gadus morhua (gadiformes: gadidae) and the northern black flounder pseudopleuronectes obscurus (pleuronectiformes: pleuronectidae).epidermal pseudotumours from hippoglossoides dubius and acanthogobius flavimanus in japan and gill lesions in limanda limanda from the uk have been shown to be caused by phylogenetically related protozoan parasites, known collectively as x-cells. however, the phylogenetic position of the x-cell group is not well supported within any of the existing protozoan phyla and they are currently thought to be members of the alveolata.ultrastructural features of x-cells in fish pseudotumours are somewhat ...201121299903
identification of acanthotrema felis (digenea: heterophyidae) metacercariae encysted in the brackish water fish acanthogobius flavimanus.the metacercariae of acanthotrema felis sohn et al., 2003 (digenea: heterophyidae) were discovered in a species of the brackish water fish, acanthogobius flavimanus, in the republic of korea. they were experimentally fed to kittens, and adult flukes were harvested 7 days later. the adults were morphologically characterized by the presence of a bipartite seminal vesicle, the ventral sucker associated with a ventrogenital sac enclosing 3 sclerites (2 long and pointed, and 1 short and thumb-like), ...200312815321
x-cells in pseudotumors of yellowfin goby acanthogobius flavimanus: a protistan organism distinct from that in flathead flounder hippoglossoides dubius.yellowfin goby acanthogobius flavimanus affected with x-cell pseudotumors were sampled from a river estuary in tokyo bay, japan. we amplified the gene for small subunit ribosomal rna (18s rrna) of x-cells of the goby with pcr using universal primers. the gene that we obtained (ddbj accession no. ab451874) showed 91% sequence identity to that of the x-cells of the flathead flounder hippoglossoides dubius. with in situ hybridization, the probes specific for the gene that we obtained hybridized wit ...200919593933
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