Publications

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pcb residues in mullet, mugil cephalus, fed to captive eastern australian water rats, hydromys chrysogaster. 1978104751
enzymes of steroid hormone metabolism in ovarian tissue of teleosts.1. substrate-velocity kinetics and some other characteristics of three enzymes involved in steroid hormone metabolism in the ovary of the common carp, cyprinus carpio and of the grey mullet, mugil cephalus were determined. 2. labeled steroid products of the enzyme reactions were identified by thin-layer and gas-liquid chromatographies, as well as by formation of derivatives. 3. 5 alpha-steroid reductase of carp ovary was found to have a michaelis-menten constant undistinguishable from that of ra ...1979318311
protein synthesis in liver, muscle and gill of mullet (mugil cephalus l.) in vivo.1. protein synthesis in mullet was measured by use of pulse injections of 14cleucine into the hepatic portal circulation and by 4-hr continuous infusion of 14ctyrosine into the dorsal aorta. 2. liver protein synthesis was 37 mg/day per g wet weight of tissue. plasma proteins accounted for about 25% of total liver protein synthesis. replacement rate for intrahepatic proteins was 20%/day. average polypeptide chain synthesis time was 3 min. 3. gill protein synthesis was comparable to that in liver ...1979454697
correlation of mixed-function oxidase activity with ultrastructural changes in the liver of a marine fish.specimens of mullet (mugil cephalus), a marine fish, were given single doses of 3-methylcholanthrene intraperitoneally and the activity of the microsomal mixed-function oxygenase system in the liver was measured by the metabolism of benzo(a)pyrene. the enzyme system was found to be inducible with concomitant ultrastructural changes in the hepatocytes. the specific activity and the metabolic profile approximate those of the rat.1979552910
a kerosen-like taint in the sea mullet mugil cephalus (linneaus). ii. some aspects of the deposition and metabolism of hydrocarbons in muscle tissue.the results obtained indicate that the deposition of absorbed hydrocarbons in different segments of the muscle tissue of the sea mullet is proportional to the lipid content of the segment. however the results give no clear indication as to whether the total lipid content of the muscle tissue of individual fish influences the uptake of hydrocarbons from the environment. evidence has been presented for different rates of metabolism of the n-alkanes as compared to the iso-alkanes and related compou ...1978719197
[investigations on the oncomiracidium of capsalidae (monogenea) (author's transl)].a detailed study of the ciliated cells and chetotaxy of the larva of benedenia monticelli (parona y perugia, 1895) parasite of mugil cephalus l. is carried out. observations on the oncomiracidium of trochopus pini (van beneden and hesse, 1863) and entobdella soleae (van beneden and hesse, 1863) reveal a common plan of these structures among those capsalidae. the pattern is different from that observed in the dactylogyroïdea on one hand and polyopisthocotylea on the other hand. the chetotaxic typ ...1978727639
retention of salmonella typhimurium by certain species of fish and shrimp.marine fish (mugil cephalus, fundulus heteroclitus, trachinotus carolinus), lake shrimp (penaeus setiferus), and channel catfish (ictalurus lacustris punctatus) were exposed to salmonella typhimurium and cultured after 2 hours and at daily intervals for 30 days. salmonella typhimurium was recovered from all exposed animals after 2 hours and for 30 days in all animals except p setifurus. the organisms could not be recovered from those shrimp after the initial sampling period. apparent salmonellos ...19751100577
the use of carp, cyprinus carpio (linnaeus, 1758), instead of rabbit as antibody donor in immunological research on fishes.antisera produced by carp were tested in the differentiation between two cyprinid fishes, bream and roach, and between the lipovitellins of two grey mullets, mugil cephalus and liza ramada. these antisera were more specific in the recognition of different fish species than those produced by rabbits. an antiserum against carp lipovitellin was produced with male carp as antibody donor.19751211668
[parasitism in fishes and human riverside communities of the huillinco and natri lakes (great island of chiloé), chile].in april and december 1989, 35 fish from lake huillinco (42 degrees 48's, 74 degrees 02'w) and 36 fish from lake natri (42 degrees 48's, 73 degrees 50'w), in the great island of chiloé (chile) were examined. coprological samples from 159 persons, 17 dogs, 19 pigs and 4 cats from around both lakes were examined for diphyllobothrium spp. infection. in the lake huillinco the following helminths of fishes were determined: contracaecum sp. and hysterothylacium sp. in salmo trutta, cauque mauleanum an ...19902152358
isolation and characterization of an activator protein for the hydrolysis of ganglioside gm2 from the roe of striped mullet (mugil cephalus).after the revelation of the presence of ganglioside gm2 as the major ganglioside in the roe of striped mullet, mugil cephalus [li, hirabayashi, degasperi, yu, ariga, koerner & li (1984) j. biol. chem. 259, 8980-8985], we have continued to investigate the catabolism of gm2 in this tissue. we have found that mullet roe contains a specific activator protein which stimulates the hydrolysis of gm2 carried out by the beta-hexosaminidase isolated from the same tissue. this activator has been purified b ...19892527497
motile aeromonas infection of striped (grey) mullet mugil cephalus.infection of striped mullet (mugil cephalus) with aeromonas hydrophila results in an acute septicemic disease. the disease can be experimentally induced by intramuscular injection, skin or gill scarification or by the oral route using pellets purposely seeded with bacteria. the organism was isolated from the blood 1-2 days after infection and from all organs 24 hr or longer after infection. the disease is characterized by early inflammatory and proliferative changes and later necrotic changes. e ...19892575883
bioaccumulation of cadmium: toxicity in mugil cephalus.a series of 12 lethal and sublethal concentrations of cd were applied in seawater to determine lc50 for two sizes of fish. fries were found to be more sensitive to cd toxicity than juveniles. during 2, 4, 6 and 8 week exposure periods to graded cd concentrations, mortality increased but no significant effect on growth occurred. from subacute experiments, the matc for fries and juveniles were 0.05-0.02 ppm cd2+/1 and 2-0.1 ppm cd2+/1, respectively. liver was found to accumulate the highest concen ...19852861040
daily cycles in plasma melatonin levels under long or short photoperiod in the common carp, cyprinus carpio.a radioimmunoassay (ria) for plasma melatonin (mlt) was simplified for use with the common carp (cyprinus carpio). plasma was partially purified with sep-pak c18 cartridge before ria. the inhibition curves for the sep-pak c18 fraction from the plasma of carp, goldfish (carassius auratus), yellow tail (seriola quinqueradiata), japanese eel (anguilla japonica), bora (mugil cephalus cephalus), kisu (sillago japonica), ishigarei (kareius bicoloratus), and shimaisaki (rhyncopelates oxyrhynchus) were ...19883197949
[cucculanus bioccai n. sp. (nematoda: cucullanidae), parasite of mugil cephalus l].cucullanus bioccai n. sp. described from the intestine of mugil cephalus caught in lake sabaudia (latina, italy) is compared with c. dodsworthi and c. mugili parasites of mullets. it differs from c. dodsworthi mainly for the position of the 1st pair of precloacal papillae, the position of vulva, the shape of gubernaculum, the measurements of eggs; from c. mugili for the number of papillae, the position of the 1st pair of precloacal papillae, the conformation of cloaca and the position of vulva.19873508511
isolation and characterization of gangliosides with hybrid neolacto-ganglio-type sugar chains.we have previously reported the presence of gm2 as the major ganglioside in the roe of striped mullet, mugil cephalus, (li, y.-t., hirabayashi, y., degasperi, r., yu, r. k., ariga, t., koerner, t. a. w., and li, s.-c. (1984) j. biol. chem. 259, 8980-8985). in addition to gm2, mullet roe also contain a series of gangliosides with thin-layer chromatographic mobilities slower than gm2. besides enzymatic hydrolysis and nmr spectroscopy, we have employed the thin-layer chromatography overlay techniqu ...19873680292
survival of vibrio parahaemolyticus in cold smoked fish.fresh samples of mullet (mugil cephalus) and oil sardines (sardinella longiceps) obtained from a fish market were subjected to cold smoking. some of the samples harboured low levels of vibrio parahaemolyticus. after cold smoking, however, many samples showed relatively high levels of v. parahaemolyticus suggesting that a small population of naturally occurring organisms could multiply to significant levels during the process of cold smoking or during subsequent storage at room temperature. never ...19863729375
studies on a kerosine-like tant in mullet (mugil cephalus). i. general nature of the taint. 19705472926
studies on a kerosene-like taint in mullet (mugil cephalus). ii. chemical nature of the vvolatile constituents. 19705472927
[redescription of saccocoelium obesum looss, 1902 (syn. saccocoelium tensum looss, 1902) a trematode parasite of mugil cephalus]. 19655894638
position-specific induction of benzo(a)pyrene metabolism by 3-methylcholanthrene and phenobarbital in mullet (mugil cephalus), a marine fish.mullet (mugil cephalus), a marine fish, were treated with 3-methylcholanthrene and phenobarbital by i.p. injection and the effects on the metabolism of benzo(a)pyrene by isolated liver microsomes were evaluated. the most significant effect found in treated fish was an increase in the oxidation of benzo(a)pyrene at the bay region, a position-specific increase which was not reflected in an increase in the total activity. comparison of metabolite patterns of the dihydrodiols of benzo(a)pyrene in th ...19846149086
gonadotropin-releasing hormone (gn-rh) in striped mullet (mugil cephalus), milkfish (chanos chanos), and rainbow trout (salmo gairdneri): comparison with salmon gn-rh.immunoreactive gonadotropin-releasing hormone (gn-rh) was extracted from brains of striped mullet, milkfish, rainbow trout, and chum salmon with acetone/hcl and petroleum ether. high pressure liquid chromatography and cross-reactivity studies show mullet, milkfish, and trout brains to contain a peptide chromatographically and immunologically identical to synthetic salmon gn-rh, while the mammalian form of gn-rh is detectable in none of these fishes. gn-rh is present in immature 7-month-old and 4 ...19846383951
isolation and characterization of a novel phytosphingosine-containing gm2 ganglioside from mullet roe (mugil cephalus).the major ganglioside from the roe of striped mullet (mugil cephalus) has been isolated and purified. compositional analysis of this ganglioside revealed that it contained an equimolar ratio of the following residues: n-acetylneuraminic acid, n-acetylgalactosamine, galactose, glucose, and the long-chain base. further structural studies by sequential enzymatic hydrolysis, permethylation analysis, and proton nmr spectroscopy indicated that the structure of the oligosaccharide moiety was identical ...19846746635
neorickettsia-like organism isolated from metacercaria of a fluke, stellantchasmus falcatus."hyuga" fever, reportedly caused by rickettsia sennetsu, occurring in the west of japan was suspected to be an endoparasite-borne rickettsiosis. no r. sennetsu, however, was detected in metacercariae found in the muscles of grey mullets (mugil cephalus) ingested raw by most "hyuga" fever patients. instead, another neorickettsia-like organism (sf strain) was isolated occasionally from metacercariae of stellantchasmus falcatus. a dog was inoculated with sf strain. it developed mild fever after an ...19817311106
occurrence of cutaneous infections of myxobolus episquamalis (myxozoa:myxobolidae) in sea mullet, mugil cephalus l, in australia.to report the occurrence of myxobolus episquamalis in sea mullet, mugil cephalus l, caught in estuaries in eastern and western australia.19979196822
purification and characterization of multiple glutathione transferase isoenzymes from grey mullet liver.fourteen isoforms of glutathione s-transferase (gst) have been separated and purified from mullet (mugil cephalus) liver by scaling up an automatic analytical method based on anionic exchange chromatography. the activity of each isoenzyme with several substrates was determined. dimeric combinations of six subunits make up this heterogeneous isoenzyme population. five of these were resolved by reverse phase chromatography; four of them, named a, b, c and d, were present in more than one isoform, ...19979368673
microhabitat distribution and coexistence of microcotylidae (monogenea) on the gills of the striped mullet mugil cephalus: chance or competition?the two monogenean species metamicrocotyla cephalus and microcotyle mugilis have specific microhabitats on the gills of mugil cephalus on which they may or may not coexist. m. cephalus is found in sector 1 of the posterior hemibranch of arch i. m. mugilis is found on the filaments of sector 5 of the posterior hemibranch of arch i. the coexistence of these two monogenean species on the same fish does not induce a change in their respective distribution, except for a marked preference of m. cephal ...19989569098
bioaccumulation patterns of zinc, copper, lead, and cadmium in grey mullet, mugil cephalus (l.), from harbour waters of visakhapatnam, india. 19989606275
fatty acid composition of 19 species of fish from the black sea and the marmara sea.evidence suggests that differences in fatty acid composition among various fish species may be due to differences in diet or to environmental factors such as temperature, salinity, and depth at which the fish are caught. the beneficial effects of a diet containing fish on cardiovascular or other diseases have been associated with their high content of eicosapentaenoic (20:5n-3) and docosahexaenoic (22:6n-3) acids. in this study we analyzed the fatty acid composition of the flesh of 18 different ...199910230724
distribution and feeding efficacy of larvivorous fishes of goa.fifteen species of larvivorous fishes, viz. aplocheilus blockii, aplocheilus lineatus, rasbora daniconius, puntius vittatus, puntius melanampyx pradhani, puntius amphibius, macropodus cupanus, danio aequipinnatus. oreochromis mossambicus, heteropneustes sp, therapon jarbua, etroplus suratensis, mugil cephalus. osteochilichthys nashii and hypselobarbus dobsoni were collected from different parts of goa. their habitat wise distribution was studied and density was recorded. daily average consumptio ...199810497843
three new species of polyclithrum rogers, 1967 (gyrodactylidae: monogenea) from mugilid fishes from australia and brazil, with a redescription of p. mugilini rogers, 1967.polyclithrum mugilini rogers, 1967, a parasite of mugil cephalus linnaeus, is redescribed from type-material from lake seminole, georgia, usa. three new species of polyclithrum rogers, 1967 are also described: p. alberti n. sp. from m. cephalus from the albert river, queensland, australia; p. boegeri n. sp. from m. platanus günther from rio da guarda, state of rio de janeiro, brazil; and p. corallense n. sp. from m. cephalus from heron island, great barrier reef, australia. the four species can ...200010682924
ultrastructure of the scolex, rhyncheal system and bothridial pits of otobothrium mugilis (cestoda: trypanorhyncha).the ultrastructure of the scolex tegument, bothridial pits (=ciliated pits) and rhyncheal system of otobothrium mugilis hiscock, 1954 is described from plerocerci collected from the teleosts arius graeffei kner et steindachner and mugil cephalus linnaeus. scanning electron microscopy revealed that filamentous microtriches with shortened caps are abundant across the entire surface of the tegument. palmate microtriches are dominant on the bothridia and their margins. the surfaces of bothridial pit ...200010833013
melanization stimulating factors in the integument of the mugil cephalus and dicertranchus labrax.the pigment pattern expression resides in the chromatoblasts of the embryonic skin. the differentiation of these chromatoblasts is influenced by specific local factors such a melanization inhibiting factor (mif) and a melanization-stimulating factor (msf). we reveal the presence of these factors by means of a series of experiments on the skin of the marine species of fish dicertranchus labrax and mugil cephalus, each with different pigment pattern, the former having a light skin and the latter a ...200011005239
selenium, cadmium, copper, and zinc concentrations in sediments and mullet (mugil cephalus) from the southern basin of lake macquarie, nsw, australia.selenium, cadmium, copper, and zinc concentrations were measured in sediments and the tissues of mullet (mugil cephalus) collected from the southern basin of lake macquarie, nsw, australia. trace metals in surficial sediments are enriched in trace metals relative to background concentrations (selenium, 3-19; cadmium, 14-42; copper, 1.5-3.6; zinc, 0.77-2.2 times background). selenium, cadmium, and copper in lake macquarie mullet tissues are elevated compared to those in mullet collected from the ...200111243327
[parasite prevalence and intensity in mugil cephalus (pisces: mugilidae), from colorado river, baja california, mexico].the parasitic prevalence and mean intensity in the striped mullet, mugil cephalus, was seasonally determined during an annual cycle (february 1994 to february 1995) in the confluence of the colorado and hardy rivers, baja california, méxico. two species of parasites were identified, a nematode, contracaecum multipapillatum (von drasche, 1882) (ascaridida: anisakidae), and a copepod, ergasilus versicolor wilson, 1911 (poecilostomatoida: ergasilidae). the larvae of c. multipapillatum, which were r ...200011354956
changes in selenium, copper, cadmium, and zinc concentrations in mullet (mugil cephalus) from the southern basin of lake macquarie, australia, in response to alteration of coal-fired power station fly ash handling procedures.selenium, copper, cadmium, and zinc concentrations were measured in mullet (mugil cephalus) from the southern basin of lake macquarie, australia, in 1997 to determine if improved ash-handling practices at an adjacent coal fired power station, implemented in 1995, had significantly lowered trace metal concentrations in mullet tissues. mean muscle tissue concentrations of selenium (5.9 +/- 0.7 microg/g dry mass), copper (3.6 +/- 0.1 microg/g dry mass), and zinc (14 +/- 1 microg/g dry mass) are low ...200111462141
distinguishing two types of gray mullet, mugil cephalus l. (mugiliformes: mugilidae), by using glucose-6-phosphate isomerase (gpi) allozymes with special reference to enzyme activities.the resident and migratory types of gray mullet, mugil cephalus, on the coast of taiwan can not be separated morphologically. allozyme analysis was applied to estimate genetic variation between the two types of gray mullet and to test whether they belong to different populations. after starch gel electrophoresis, different allelic frequency spectra of glucose-6-phosphate isomerase-a (gpi-a) between stocks was observed. the resident stock contained gpi-a(135) and gpi-a(100), whereas the migratory ...200111497126
genetic divergence and phylogenetic relationships in grey mullets (teleostei: mugilidae) using allozyme data.genetic divergence and phylogenetic relationships among five species of the mugilidae family (liza saliens, liza aurata, liza ramada, chelon labrosus, and mugil cephalus) were investigated, in the present study, on samples taken from messolongi lagoon in greece, using allozyme electrophoresis. ten enzymic systems corresponding to 22 genetic loci were assayed, among which, four were found to be polymorphic in liza saliens, liza aurata, and chelon labrosus, seven in liza ramada, while only two wer ...200111530853
antioxidant enzymes and peroxisome proliferation in relation to contaminant body burdens of pahs and pcbs in bivalve molluscs, crabs and fish from the urdaibai and plentzia estuaries (bay of biscay).with the aim of studying levels of antioxidant and peroxisomal enzymes and the structure of peroxisomes in relation to body burdens of polycyclic aromatic hydrocarbons (pahs) and polychlorinated biphenyls (pcbs), mussels mytilus galloprovincialis, oysters crassostrea sp., crabs carcinus maenas and mullets mugil cephalus were sampled in two basque estuaries (bay of biscay): urdaibai (laida, txatxarramendi, arteaga, and downstream a sewage treatment plant-stp) and plentzia. in general, animals sho ...200212062156
stomach content analysis of mugil cephalus and mugil curema (mugiliformes: mugilidae) with emphasis on diatoms in the tamiahua lagoon, méxico.a year-long research on the mugil cephalus and m. curema diet was conducted. the food content in the cardiac portion of 192 stomachs revealed a great similarity in both species leading to two conclusions: sediments are their basic food and high levels of benthic diatoms are dominant. a total of 130 taxa were found (nitzschia, navicula, amphora, and cocconeis dominated). other food components were: foraminifera, nematoda, copepoda, ostracoda, amphipoda, pelecypoda, gastropoda, eggs of invertebrat ...200212298252
surface ultrastructure of pygidiopsis summa (digenea: heterophyidae) adult flukes.a scanning electron microscopic study was performed on the surface ultrastructure of pygidiopsis summa (digenea: heterophyidae) adults. metacercariae were collected from gills and muscles of mullets (mugil cephalus) caught in a known endemic area, and adult flukes were harvested from dogs after 8 weeks of experimental infection. the worm was calabash form with its posterior part broader than the anterior part. tegumental spines were densely distributed over the body surface, except on the sucker ...200212325439
larvae of contracaecum sp. among inshore fish species of southwestern australia.larval nematode infections were investigated in 236 fish from 17 estuarine and near-shore species in southwestern australia. larvae of the genus contracaecum were found in 4 species of fish (acanthopagrus butcheri, sillaginodes punctata, mugil cephalus and aldrichetta forsteri). the prevalence and intensity of infection was highest in the 2 species of mullet: 81% infected and 9.8 +/- 1.5 larvae fish(-1) for m. cephalus; 100% and 12.7 +/- 3.7 larvae fish(-1) for a. forsteri. there was no evidence ...200212363088
mutagencity and antimutagencity studies of lipidic extracts from yellowtail fish (seriola lalandi), lisa fish (mugil cephalus) and cazón fish (mustelus lunulatus).organic extracts from fresh and smoked yellowtail fish (seriola lalandi), lisa fish (mugil cephalus) and cazon fish (mustelus lunulatus) were tested for mutagenicity using ames salmonella tester strains ta98 and ta100 with metabolic activation (s9). also, the antimutagenicity of the organic extract from yellowtail fish was tested against aflatoxin b1 (afb1). yellowtail fish extract was sequentially fractionated by thin-layer chromatography (tlc) and each fraction was also tested for antimutageni ...200212387311
[policlithrum ponticum sp. n. (monogenea: gyrodactylidae: polyclithrinae) from mugil cephalus from the black sea and problems of suprageneric systematics of the gydrodactylids].polyclithrum ponticum sp. n. is described and p. mugilini rogers, 1967 is redescribed. both monogenean species are parasites of mugil cephalus in the black sea. the new species differs from p. mugilini, p. alberti and p. boegeri by the lesser size of anchors, while it is distinguished from p. corallense by the larger size of these structures. p. ponticum sp. n. differs from all formerly described species by the greater length of dorsal connective bar. in both species from the black sea, "ear-lik ...200212481608
cytochrome p450, acetylcholinesterase and gonadal histology for evaluating contaminant exposure levels in fishes from a highly eutrophic brackish ecosystem: the orbetello lagoon, italy.biochemical markers and ovarian histology were investigated in prespawning females of grass goby (zosterisessor ophiocephalus) and grey mullet (mugil cephalus) collected, respectively, in late spring and summer 2000 in four sites of a highly eutrophic brackish ecosystem of central italy, the orbetello lagoon. exposure to chlorinated and aromatic hydrocarbons was evaluated in fish livers by the somatic liver index (sli) and by measuring 7-ethoxyresorufin-o-deethylase (erod) and benzo(a)pyrene mon ...200312586116
levels of heavy metals (fe, cu, ni, cr, pb, and zn) in tissue of mugil cephalus and trachurus mediterraneus from iskenderun bay, turkey.concentrations of iron, copper, nickel, chromium, lead, and zinc were determined in the muscle, skin and gonads of mugil cephalus and trachurus mediterraneus caught at three stations in iskenderun bay, turkey. heavy metal concentrations in the tissues tended to vary significantly among stations, and two stations thought to be contaminated by untreated domestic wastes and surrounding industrial environment showed particularly high metal concentrations. generally, skin and gonads showed higher met ...200312804525
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
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
[infestation of larval trematodes from fresh-water fish and brackish-water fish in river taechong, kyungpook province, korea]a study of infestation patterns for larval trematodes from fresh-water fish and brackish-water fish was carried out during the period from june to october in 1982. they were collected by netting, fishing with rod and line, and using the bait of crushed oil cake in a transparent plastic bowls at the three localities, daebon-dong, kugil-dong, and hoam-dong in the river taechong, kyungpook province, korea. five species of fresh-water fish, the crussian carp, carassius carassius linnaeus, the bullhe ...198312902663
expression of peroxisome proliferator-activated receptors in the liver of gray mullet (mugil cephalus).during the last decade, peroxisome proliferation has emerged as a novel biomarker of exposure to certain organic chemical pollutants in aquatic organisms. peroxisome proliferation is mediated by nuclear receptors, peroxisome proliferator-activated receptors (ppars). three ppar subtypes have been described in mammals: ppar alpha, ppar beta and ppar gamma. ppars have also been discovered in several fish species. the aim of the present study was to investigate the expression of ppar subtypes and th ...200415032324
nodavirus infections in israeli mariculture.viral encephalopathy and retinopathy (ver) infections were diagnosed in five fish species: epinephelus aeneus, dicentrarchus labrax, sciaenops ocellatus, lates calcarifer and mugil cephalus cultured on both the red sea and mediterranean coasts of israel during 1998-2002. spongiform vacuolation of nervous tissue was observed in histological sections of all examined species. with transmission electron microscopy, paracrystalline arrays and pieces of membrane-associated non-enveloped virions measur ...200415291788
organochlorine contaminants in flounder (platichthys flesus) and mullet (mugil cephalus) from douro estuary, and their use as sentinel species for environmental monitoring.in order to monitor the presence of organic pollutants in douro estuary (nw portugal), two sentinel fish species, grey mullet (mugil cephalus) and flounder (platichthys flesus), were periodically sampled from may 2001 to april 2002. at all sampling periods, several specimens of both species were allowed to depurate in clean sea water. levels of pcbs and ddts were quantified in liver and muscle of both species. the accumulation of pcbs was higher in muscle of mullet, with a maximum of 345 ng/g dw ...200415312718
myxobolus goensis n. sp. (myxozoa, myxosporea, myxobolidae), a parasite of the gills of mugil cephalus (osteichthyes, mugilidae) from goa, india.two species of myxobolus are reported from the gills of mugil cephalus collected at goa, india: m. goensis n. sp. and m. parvus shulman, 1962. myxobolus goensis n. sp. forms digitiform or rounded plasmodia between the gill rakers. their spores are oval in frontal view, with tapered anterior extremity, and lemon-shaped in lateral view, measuring 9.7 (9.5-10.5) microm in length, 6.6 (6-7.5) microm in width, and 5.2 (5-6) microm in thickness. the polar capsules are pyriform and unequal in size. the ...200415490746
a systemic iridoviral disease in mullet, mugil cephalus l., and tiger grouper, epinephelus fuscoguttatus forsskal: a first report and study.a systemic iridoviral disease associated with high mortality was initially recognized in cultured mullet, mugil cephalus l., and tiger grouper, epinephelus fuscoguttatus forsskal, by histopathology and transmission electron microscopy. polymerase chain reaction was performed on tissues and viral isolates, using four published primer sets developed for the red sea bream iridovirus (rsiv). an indirect fluorescent antibody test was also performed on virus-infected atcc gruntfin (gf) and seabass, la ...200415575877
oxidative stress biomarkers in two resident species, mullet (mugil cephalus) and flounder (platichthys flesus), from a polluted site in river douro estuary, portugal.exposure of marine animals to certain pollutants can enhance reactive oxygen species (ros) production with subsequent damage to macromolecules and alterations in oxidant defences levels. aimed at correlating the tissue concentration of certain contaminants (pcbs, ddt) with antioxidant defence levels and oxidative damages, two fish species with different life strategies (mullet, mugil cephalus, and flounder, platichthys flesus) were collected in the douro estuary (nw portugal). after capture, the ...200515642630
the life cycle of paracardicoloides yamagutii martin, 1974 (digenea: sanguinicolidae).the sanguinicolids paracardicoloides yamagutii martin, 1974 and plethorchis acanthus martin, 1975 were obtained from their definitive hosts, anguilla reinhardtii steindachner and mugil cephalus linnaeus (respectively) in the tributaries of the brisbane river, queensland, australia. two putative sanguinicolid cercariae were collected from a hydrobiid gastropod, posticobia brazieri smith, in the same waters. the two cercariae differ markedly in size and the form of their sporocysts. both putative ...200415729944
evaluation of bioassay for toxicity of ciguateric fish and associated toxins.evaluation of the mouse toxicity assay symptom of hind leg paralysis (hlp) with mouse death by statistical analysis is presented in this study. the fishes assessed were herbivores including ctenochaetus strigosus (kole), ctenochaetus hawaiiensis, acanthurus sandvicensis (manini), and mugil cephalus (mullet); and the carnivores, cephalopholis argus (roi) and cheilinus rhodochrous (po'ou). the latter can also be considered an omnivore. the extracts of both herbivore and carnivore species appeared ...19948189323
acanthocephala of marine fishes off fiji islands, with descriptions of filisoma longcementglandatus n. sp., neorhadinorhynchus macrospinosus n. sp. (cavisomidae), and gravid females of rhadinorhynchus johnstoni (rhadinorhynchidae); and keys to species of the genera filisoma and neorhadinorhynchus.a parasitological collection from marine fishes off the fiji islands yielded 5 species of acanthocephalans from 4 species of fish as follows: filisoma longcementglandatus n. sp. from scat scatophagus argus; neorhadinorhynchus macrospinosus n. sp. from vermiculated rabbit fish siganus vermicularis; neorhadinorhynchus nudum (harada, 1938) yamaguti, 1939 (cavisomidae) from mackerel tuna euthynnus affinis; rhadinorhynchus johnstoni golvan, 1969 (rhadinorhynchidae) from e. affinis; and neoechinorhync ...19947931911
micronucleus test in fish cells: a bioassay for in situ monitoring of genotoxic pollution in the marine environment.to evaluate the use of native fish species for assessing genotoxic pollution in the marine environment, micronucleus (mn) analysis was performed in peripheral blood erythrocytes and gill cells of the grey mullet (mugil cephalus) from three sampling stations off the southeastern mediterranean coast of turkey. the frequencies of blebbed, notched, and lobed nuclei and binucleated cells also were evaluated in peripheral erythrocytes. the sampling sites were chosen on the basis of pollution levels; k ...200515880416
influence of physico-chemical properties on the abundance of a few economically important juvenile fin-fishes of vellar estuary.studies on the economically important juvenile fin-fishes such as elops machnata, chanos chanos, lates calcarifer, epinephelus sp., sillago sihama, etroplus suratensis, mugil cephalus, liza parsia and liza tade with relation to the hydrographical parameters as rainfall, temperature, salinity, dissolved oxygen and ph of vellar estuary during september 2001 to august 2002. the simple correlation co-efficient showed positive significance against juvenile density with water temperature and dissolved ...200516114469
distribution and abundance of fish eggs and larvae in arasalar estuary, karaikkal, south-east coast of india.the distribution and abundance of fish eggs and larvae have been studied at two stations of arasalar estuary. eggs of stolephorus sp., mugil cephalus, sardinella sp., cynoglossus sp and the larvae of stolephorus indicus, ambassis commersoni, terapon jarbua, chanos chanos, trichiurus sp anguilla sp and thryssa sp have been collected and identified. environmental parameters such as temperature, salinity, ph and dissolved oxygen were also recorded. the present study clearly indicate the higher occu ...200516161985
phenomenon of hepatic overload of copper in mugil cephalus: role of metallothionein and patterns of copper cellular distribution.in this work we describe a phenomenon of accumulation of copper (cu) in livers of a teleost fish commonly known as mullet, mugil cephalus. high levels of cu, up to 1936 microg/g wet weight were found. the high cu levels seem not to be associated with environmental cu contamination, since the fish were collected from widely separated regions with low cu concentrations. other fish species sharing the same environment did not show high levels of cu. the accumulation of cu in mullet was seen in live ...200516176558
co-occurrence of naobranchia lizae (copepoda) and metamicrocotyla macracantha (monogenea), gill parasites of the striped mullet mugil cephalus.the copepod naobranchia lizae (kroyer, 1863) and the monogenean metamicrocotyla macracantha (alexander, 1954; koratha, 1955) are gill parasites found on the striped mullet (mugil cephalus) in the charleston harbor estuarine system (south carolina, usa). branchial distribution of each species was studied in mono- and bispecific conditions. no preference for the right or left side of the fish host was observed for either species in either condition. both species exhibited heterogeneous distributio ...200516211412
distribution of polychlorinated biphenyls in the water, sediment and fish from the pearl river estuary, china.the concentrations and distribution of polychlorinated biphenyls were determined in water, surface sediments and fishes from the estuaries of pearl river, pr china. the results showed that the concentrations ranged from 2.47 ng l-1 to 6.75 ng l-1 in water, from 11.13 ng g-1 to 23.23 ng g-1 in sediments (dry weight) and from 68.64 ng g-1 to 316.85 ng-1 in fish (lipid weight). it was found that the feeding habits of fish were very significant in the accumulation of polychlorinated biphenyls and pa ...200516374930
the effect of long-term depuration on phase i and phase ii biotransformation in mullets (mugil cephalus) chronically exposed to pollutants in river douro estuary, portugal.pollutants such polycyclic aromatic hydrocarbons (pahs) are released into the environment by urban communities and industries and the enzymes that catalyse the biotransformation of pollutants play a key role regarding the accumulation of these compounds in fish species inhabiting these areas. in this study the relationship between phase i (erod activity) and phase ii (gst activity) and pah metabolites was measured in grey mullet (mugil cephalus) after capture in the douro estuary, and after long ...200616386296
kudoa iwatai (myxosporea: multivalvulida) in wild and cultured fish in the red sea: redescription and molecular phylogeny.gilt-head sea bream, sparus aurata l., the mediterranean's most important mariculture species, has been cultured for the last 30 yr in eilat (israeli red sea). kudoa sp. was the first myxosporean parasite reported from this species. in recent years, an increase in prevalence in both land-based and sea-cage facilities in eilat has been observed. infections with the same kudoa species appeared in cultured european sea bass dicentrarchus labrax (l.) and grey mullet mugil cephalus in the same farms, ...200516419765
heavy metal profile in five fish species included in human diet, domiciled in the end flow of river neretva (croatia).concentration of three heavy metals (mercury (hg), lead, (pb), and cadmium, (cd)) and one metalloid (arsenic [as]), were determined by atomic absorption spectrophotometry in five tissues (muscles, liver, kidneys, gills, and gonads) of five fish species (carp-cyprinus carpio, tench-tinca tinca, sval-leuciscus svallizi, gray mullet-mugil cephalus, and eel-anguilla anguilla) taken out from the end fiow (last 20 km) of the river neretva, south croatia, in the wider region of town metković, during th ...200616453065
anaerobic bacteria associated with epizootics in grey mullet (mugil cephalus) and redfish (sciaenops ocellata) along the texas gulf coast.anaerobic bacteria tentatively identified as species of catenabacterium were recovered from brain, liver, kidney and blood of fish involved in a massive epizootic of grey mullet (mugil cephalus) and redfish (sciaenops ocellata). pathogenicity was demonstrated for grey mullet (m. cephalus) and sea catfish (arius felis) but not for channel catfish (ictalurus punctatus) or white mice. diseased fish were disoriented, weak and swimming at the surface of the water. thioglycolate and salt bovine blood ...197616498893
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
risk assessment of heavy metal contamination in shrimp farming in mai po nature reserve, hong kong.an ecological survey was carried out to determine the sediment concentrations of nutrients and heavy metals and bioaccumulation of heavy metals in fish and shrimp including tilapia (oreochromis mossambicus x o. nilotica), grey mullet (mugil cephalus), gei wai shrimp (metapenaeus ensis) and caridean shrimp (macrobrachium nipponensis) in the traditional tidal shrimp ponds (gei wais) of mai po nature reserve, hong kong. the sediments collected from the landward sites contained higher nutrient conte ...200616528597
taxonomic status of ligophorus mugilinus (hargis, 1955) (monogenea: ancyrocephalidae), with a description of a new species of ligophorus from mugil cephalus (teleostei: mugilidae) in the mediterranean basin.ligophorus mugilinus was originally described on the flathead mullet mugil cephalus from the gulf of mexico. the species was later recorded in the mediterranean sea on the flathead mullet and in the caribbean sea on the white mullet mugil curema. after examination of the type material and additional specimens of ligophorus from the northwest atlantic coast, the caribbean sea, and the mediterranean and black sea, we observed morphological differences concerning haptoral and male copulatory struct ...200516539029
metal concentrations in fish species from the northeast mediterranean sea.samples of mugil cephalus and mullus barbatus were collected in the northeast mediterranean coast of turkey the contents of cadmium, copper, iron, zinc and lead in the liver, gill and muscle tissues were determined by atomic absorption flame spectrophotometry. except for lead, highest levels of each metal were found in the liver and this was followed by the gill and muscle in both species. among the metals analyzed, cu, zn and fe were the most abundant in the different tissues while cd and pb we ...200616752037
parasitic diseases of marine fish: epidemiological and sanitary considerations.over recent decades, parasitic diseases have been increasingly considered a sanitary and economic threat to mediterranean aquaculture. in order to monitor the distribution of parasites in cultured marine fish from italy and study their pathogenic effects on the host, a three-year survey based on parasitological and histopathological exams was carried out on 2141 subjects from eleven fish species and coming from different farming systems (extensive, intensive inland farms, inshore floating cages, ...200616881387
bioaccumulation of some heavy metals in different tissues of dicentrarchus labrax l, 1758, sparus aurata l, 1758 and mugil cephalus l, 1758 from the camlik lagoon of the eastern coast of mediterranean (turkey).in this study, bioaccumulation of the heavy metals (fe, zn, cd) in the liver, gill, gonad and muscle tissues of dicentrarchus labrax, mugil cephalus and sparus aurata were investigated seasonally. camlik is the important fisheries lagoon located in the iskenderun bay, mediterranean coast of turkey. due to heavy industrial and agricultural activities in the region, the bay has the polluted coastal waters of turkey. therefore, the levels of cadmium, zinc, iron were determined in the muscle in each ...200616897534
metal concentrations in blue crab (callinectes sapidus) and mullet (mugil cephalus) in iskenderun bay, northern east mediterranean, turkey. 200616977519
cloning, expression and enantioselective hydrolytic catalysis of a microsomal epoxide hydrolase from a marine fish, mugil cephalus.the cdna of a marine fish microsomal epoxide hydrolase (meh) gene from mugil cephalus was cloned by rapid amplification of cdna ends (race) techniques. the homology model for the meh of m. cephalus showed a characteristic structure of alpha/beta-hydrolase-fold main domain with a lid domain over the active site. the characteristic catalytic triad, consisting of asp(238), his(444), and glu(417), was highly conserved. the cloned meh gene was expressed in escherichia coli and the recombinant meh exh ...200717151961
crustacean fish parasites from segara anakan lagoon, java, indonesia.the present study is the first investigation on ectoparasites of commercial important fish from segara anakan, a brackish water lagoon located at the southern coast of java, indonesia. eight economically important marine fish species (mugil cephalus, siganus javus, scatophagus argus, caranx sexfasciatus, lutjanus johnii, eleutheronema tetradactylum, johnius coitor, and epinephelus coioides) were examined for crustacean parasites. prevalence and intensity data for each parasite species are given, ...200717219222
the effect of long-term depuration on levels of oxidative stress biomarkers in mullets (mugil cephalus) chronically exposed to contaminants.the present study aimed to obtain additional data on the effect of long-term depuration on the levels of oxidative stress biomarkers, and to clarify the role of mullets for monitoring pollution in river douro estuary. mullets chronically exposed to a mixture of contaminants in douro estuary were captured in spring of 2001, 2002 and 2003. the activities of antioxidant enzymes catalase (cat), superoxide dismutase (sod) and glutathione peroxidase (gpx); and oxidative damages in lipids (lipid peroxi ...200717316785
monitoring of nuclear abnormalities in peripheral erythrocytes of three fish species from the goksu delta (turkey): genotoxic damage in relation to water pollution.goksu delta is a specially protected area in the mediterranean region of turkey. the delta is classified as a wetland of international importance according to the ramsar convention on wetlands of international importance. increases in population have recently taken place in this region due to heavy agricultural activities and discharges of anthropogenic wastes. in the present study, frequencies of erythrocytic nuclear abnormalities such as, micronuclei (mn) and nuclear buds (nb) were investigate ...200717380383
molecular phylogeny of grey mullets (teleostei: mugilidae) in greece: evidence from sequence analysis of mtdna segments.mitochondrial dna sequence analysis has been used to explore genetic differentiation and phylogenetic relationships among five species of the mugilidae family, mugil cephalus, chelon labrosus, liza aurata, liza ramada, and liza saliens. dna was isolated from samples originating from the messolongi lagoon in greece. three mtdna segments (12s rrna, 16s rrna, and co i) were pcr amplified and sequenced. sequencing analysis revealed that the greatest genetic differentiation was observed between m. ce ...200717588202
biosynthesis of (r)-phenyl-1,2-ethanediol from racemic styrene oxide by using bacterial and marine fish epoxide hydrolases.enantio-convergent hydrolysis of racemic styrene oxides was achieved to prepare enantiopure (r)-phenyl-1,2-ethanediol by using two recombinant epoxide hydrolases (ehs) of a bacterium, caulobacter crescentus, and a marine fish, mugil cephalus. the recombinant c. crescentus eh primarily attacked the benzylic carbon of (s)-styrene oxide, while the m. cephalus eh preferentially attacked the terminal carbon of (r)-styrene oxide, thus leading to the formation of (r)-phenyl-1,2-ethanediol as the main p ...200817665136
essential and toxic metals in nine fish species for human consumption from two coastal lagoons in the eastern gulf of california.with the aim of knowing concentrations of cd, cu, fe, mn, pb and zn; percentage of daily mineral intake (pmi) for essential elements and percentage of weekly intake (pwi) of toxic metals in commercial fish from 2 coastal lagoons in the eastern gulf of california, analyses were carried out in 9 species. highest values of cd were detected in the liver of the sharks sphyrna lewini and carcharhinus leucas, pb was mostly detected in the liver of s. lewini; cu and mn in the liver and gills of the mull ...200717680479
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
natural occurrence of metallothioneinlike proteins in liver tissues of four fish species from the northeast mediterranean sea.fish with different ecological needs were captured from the northeast mediterranean sea to determine metallothioneinlike proteins in their livers. heat-treated liver samples were run on a column packed with sephadex g-75 (sigma, germany) for subsequent determination of metals, sulfhydryl, and absorbance at 254 and 280 nm. liver cytosols of sparus auratus and mullus barbatus had three heat-stable protein peaks, whereas mugil cephalus and atherina hepsetus had two. the third protein peak, containi ...200717910363
studies on l-asparaginase enzyme of actinomycetes isolated from estuarine fishes.actinomycetes were isolated from different organs viz. skin, gills and gut contents of three species of fishes viz. mugil cephalus (linnaeus, 1758), chanos chanos (forskal, 1775) and etroplus suratensis (bloch, 1780) using three different media from the vellar estuary, situated along the southeast coast of india. among the three fishes, m. cephalus harboured highest number of actinomycetes population in all the three body parts examined followed by c. chanos and e. suratensis. out of the three b ...200717929767
aphanomyces invadans and ulcerative mycosis in estuarine and freshwater fish in florida.in the spring of 1998, the florida fish and wildlife research institute received numerous reports of lesioned or ulcerated fish primarily from the st. lucie estuary on the southeast coast of florida, an area known since the late 1970s for lesions of the ulcerative mycosis (um) type. from these and archived reports, as well as others received from different areas of florida, we documented that diseased specimens had randomly distributed skin ulcers (usually reddened or hemorrhagic) with raised ir ...200718236628
pathogenicity studies with the fungi aphanomyces invadans, achlya bisexualis, and phialemonium dimorphosporum: induction of skin ulcers in striped mullet.based on isolations from naturally infected fish in florida, we investigated the role of the fungi aphanomyces invadans, achlya bisexualis, and phialemonium dimorphosporum in the etiology of ulcerative mycosis (um) in striped mullet mugil cephalus. we injected healthy striped mullet subcutaneously with secondary zoospores of four oomycete isolates: two concentrations (50 and 115 zoospores/ml) of sjr (an endemic isolate of aphanomyces invadans in american shad alosa sapidissima from the st. johns ...200718236631
partial purification and anti-leukemic activity of l-asparaginase enzyme of the actinomycete strain la-29 isolated from the estuarine fish, mugil cephalus (linn.).the actinomycete strain la-29 isolated from the gut contents of the fish, mugil cephalus of the vellar estuary showed excellent l-asparaginase activity the enzyme was purified 18-fold and the final recovery of protein was 1.9%, which exhibited an activity of 13.57 iu/mg protein. the partially purified l-asparaginase inhibited the growth of leukemia cells in male wistar rats. average survival period of the rats was more in an optimum enzyme dose of 100 units and the survival period was less when ...200718380089
host-induced phenotypic differences in egyptian heterophyes heterophyes (digenea: heterophyidae).a comparative morphometric study identified host-related variations in heterophyes heterophyes. in one study, variations in adult h. heterophyes obtained from different definitive hosts were examined. significant differences were in size and dimensions of body organs of adults collected from dogs, cats and albino-rats experimentally infected with encysted metacercariae (emc) from mullet (mugil cephalus). hypotheses on the sources of host-dependent variations were interpreted in terms of adaptati ...200718383783
involvement of enterobacter cloacae in the mortality of the fish, mugil cephalus.to identify the causative agent of the mortality in the fish, mugil cephalus, in muttukadu lagoon.200818422941
preliminary observations on infection of brackish and fresh water fish by heterophyid encysted metacercariae in egypt.the infection status with heterophyids in the second intermediate host fish obtained from brackish and fresh water resources in dakahlia governorate, northern egypt was investigated. encysted metacercariae (emc) in the fish species mugil cephalus, mugil capito, mugil auratus, tilapia nilotica, and tilapia zilli from brackish water and t. nilotica and t. zilli from fresh water were isolated by artificial digestion method and identified by microscopic examination. morphometric analysis of emc isol ...200818537032
prevalence of zoonotic metacercariae in two species of grouper, epinephelus coioides and epinephelus bleekeri, and flathead mullet, mugil cephalus, in vietnam.fishborne zoonotic metacercariae have not been reported from brackish water and marine fish from vietnam waters although these parasites are common in the country's freshwater fish. both wild-caught and cultured grouper (epinephelus coioides and epinephelus bleekeri), and mullet (mugil cephalus) from brackish and marine waters located in khanh hoa province in central coastal vietnam were examined, and found positive for zoonotic trematode metacercariae. from grouper, heterophyopsis continua and ...200818552542
chemical composition of greek avgotaracho prepared from mullet (mugil cephalus): nutritional and health benefits.crude composition, lipid composition, and tocopherols, ascorbic acid, cholesterol, phytosterols, and squalene content together with fatty acids and antiplatelet activities of total, neutral, and polar lipids of avgotaracho (wax-covered, dried, and salted mugil cephalus roe) were studied and compared with those of similar products. wax and steryl esters accounted for 63.7% of roe lipids followed by phosphatidylcholine (pc), which comprised 20.3%. wax esters were rich in saturated fatty alcohols, ...200818576655
studies on antioxidant status in mugil cephalus in response to heavy metal pollution at ennore estuary.estuaries, the important component of natural environment are under pressure nowadays due to pollution from different sources like industries, agricultural fields etc. ennore estuary one of the highly polluted estuary situated in chennai, tamilnadu, india, due to heavy industrialization surrounding this site poses serious threat to its inhabitants. the present paper focuses on studying the response of the fish mugil cephalus with reference to its antioxidants during their exposure to metals like ...200918629443
variation in fatty acid composition among nine forage species from a southeastern us estuarine and nearshore coastal ecosystem.the fatty acid (fa) composition of nine potentially important forage species was determined (n = 330): red drum (sciaenops ocellatus), spot (leiostomus xanthurus), spotted seatrout (cynoscion nebulosus), striped mullet (mugil cephalus), pinfish (lagodon rhomboides), atlantic croaker (micropogonias undulatus), star drum (stellifer lanceolatus), striped anchovy (anchoa hepsetus), and brief squid (lolliguncula brevis). samples were collected from estuarine and nearshore coastal waters around charle ...200818665465
identification and description of bucephalus minimus (digenea: bucephalidae) life cycle in portugal: morphological, histopathological, and molecular data.the cercaria of bucephalus minimus infects the digestive gland and gonads of its first intermediate host, the edible cockle, cerastoderma edule. light microscopy (lm) and scanning electron microscopy (sem) of the cercaria showed a tail formed by a central stem, with 2 long contractile arms presenting distinct morphological surfaces. the encysted metacercaria naturally infected the flathead grey mullet, mugil cephalus. the cysts found in the heart, liver, and spleen were shown to be identical by ...200918710298
liver oxidative stress of the grey mullet mugil cephalus presents seasonal variations in ennore estuary.the objective of this study was to determine the liver oxidative stress status of grey mullets living in heavy-metal-rich polluted ennore estuary compared with unpolluted kovalam estuary. fish were collected from both estuaries during the monsoon and summer seasons from october 2004 to september 2006. fish liver homogenate (n = 20 per group) was prepared for evaluating oxidative stress parameters. fish living in the polluted estuary had significantly higher lipid oxidation products, conjugated d ...200818853043
chemical characterization and dna tracking of sardinian botargo by mugil cephalus from different geographical origins.the chemical composition of the sardinian botargo by mugil cephalus from different geographical origins was investigated. fat ( approximately 20%), proteins ( approximately 50%), moisture ( approximately 22%), and salt ( approximately 7%) were measured in ground (g) and whole (w) commercial products. among the nutritional compounds, omega-3 fatty acids were approximately 8%, squalene was approximately 15 mg/100 g, vitamin e was approximately 8.5 mg/kg, and cholesterol was approximately 300 mg/10 ...200818942834
impact of season on liver mitochondrial oxidative stress and the expression of hsp70 in grey mullets from contaminated estuary.heat shock proteins (hsps) are the ubiquitous feature of cells in which these proteins cope with stress induced denaturation of other proteins. hsp70 is found to play a primary role in cellular defense under stress condition. in the present investigation, the seasonal impact on environmental stress induced mitochondrial hsp70 (mthsp70) expression in the liver mitochondria was examined in grey mullets, mugil cephalus living in the ennore estuary (polluted site) was compared with the kovalam estua ...200919030988
accumulation and distribution of copper and zinc in both water and some vital tissues of two fish species (tilapia zillii and mugil cephalus) of lake qarun, fayoum province, egypt.this study was carried out on lake qarun, fayoum province, egypt throughout four seasons, spring 2004 to winter 2005. the concentration of zn in water as well as in fish organs was always higher than cu. correlations between concentration of heavy metals in water and fish organs were elucidated. the concentrations of heavy metals in fish samples indicated that tilapia zillii were higher than those of mugil cephalus, which is attributed to their feeding behavior. it was found that these metals ha ...200719070169
chaetomugilins, new selectively cytotoxic metabolites, produced by a marine fish-derived chaetomium species.chaetomugilins a-f have been isolated from a strain of chaetomium globosum originally isolated from the marine fish mugil cephalus, and their absolute stereostructures have been elucidated on the basis of spectroscopic analyses, including 1d and 2d nmr techniques, some chemical transformations and an x-ray analysis. these compounds exhibited significant growth inhibition against cultured p388 cells and hl-60 cells. in addition, chaetomugilins a, c and f showed selective cytotoxic activities agai ...200819168975
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