| bioaccumulation of persistent organic pollutants (pops) in fish species from lake koka, ethiopia: the influence of lipid content and trophic position. | the concentrations and bioaccumulation of persistent organic pollutants (pops) were determined in four fish species from lake koka, ethiopia, representing 2-3 levels in the food chain of the lake. dichlorodiphenyltrichloroethanes (ddts), endosulfans, polychlorinated biphenyls (pcbs) and chlorpyrifos were identified, with ddts as the most predominant pesticide, with concentration ranging from 0.05 to 72.53ngg(-1) wet weight (ww). all fish tissue samples collected from different species of the lak ... | 2011 | 21978619 |
| effects of oxytocin on semen release response in african catfish (clarias gariepinus). | in silurid fishes, semen collection is practically impossible, even after hormonal stimulation. instead, males are killed and testes macerated to obtain sperm. to understand the endocrine control of semen release in catfishes, we investigated the role of smooth muscle contractors in semen release and semen quality of african catfish (clarias gariepinus). in in vitro experiments, testis slices were incubated with oxytocin (1 and 10 iu), isotocin (2 and 20 ug), vasopressin (0.2 and 2 ug), epinephr ... | 2003 | 12600728 |
| effects of 17alpha-methyltestosterone on seminal vesicle development and semen release response in the african catfish, clarias gariepinus. | the effects of 17alpha-methyltestosterone on seminal vesicle development in the african catfish, clarias gariepinus, were investigated in an attempt to improve semen collection from this species. treatment of larvae with dietary 17alpha-methyltestosterone at 50 mg kg(-1) for days 12-33 or days 12-40 after hatching, or at 20 mg kg(-1) for days 12-26, 12-33, 12-40 or 12-47 after hatching inhibited the development of the seminal vesicle finger-like extensions in male catfish, but did not affect the ... | 2001 | 11690543 |
| physical constraints on body size in teleost embryos. | all members of the subphylum "vertebrata" display the characteristics of the vertebrate body plan. these characteristics become apparent during the phylotypic period, in which all vertebrate embryos have a similar body shape and internal organization. phylogenetic constraints probably limit the morphological variation during the phylotypic period. physical laws, however, also limit growth and morphogenesis in embryos. we investigated to what extent oxygen availability-as a physical constraint-mi ... | 2000 | 10772852 |
| toxicity of ozone to fish larvae and daphnia magna. | ozone can be used as an alternative to chlorination to control biofouling in cooling water systems. the possible negative environmental impact of a discharge of ozone-containing cooling water was investigated. the acute toxicity of dissolved ozone was determined for fish larvae of three species [cyprinus carpio (at 27 degrees c), leuciscus idus (at 27 degrees c) and clarias gariepinus (at 32 degrees c)] and to daphnia magna (at 21 and 27 degrees c). the results indicate that ozone is very harmfu ... | 1998 | 9756705 |
| production of fish chimeras from embryonic cells. | the efficiency of two cell-transplantation methods were compared for the production of embryonic cell derived fish chimeras. the classic microinjection technique (blastula stage donor cells are microinjected into blastula embryos) was compared to a novel aggregation method for fish developed by our group. this method utilises the ability of dechorionated fish embryos to aggregate. morula cells dissociated in ca2+, mg2+ free medium were aggregated to recipient embryos of different developmental s ... | 1997 | 9199704 |
| maturational gonadotropin from the african catfish, clarias gariepinus: purification, characterization, localization, and biological activity. | a gonadotropic hormone of the african catfish, clarias gariepinus, was was purified and chemically characterized. its biological activity was tested and its localization in the gonadotropic cells of the pituitary demonstrated. an ethanolic extract of 500 pituitaries of adult male and female african catfish was subjected to ion-exchange chromatography on de-52. the 31- to 38-kda fraction was further purified on sephadex g-75. on rphplc over an ods 120t column two major components appeared as sing ... | 1992 | 1426937 |
| introducing foreign genes into fish eggs with electroporated sperm as a carrier. | a new method has been developed for introduction of foreign genes into fish eggs. the procedure is based on the incubation of fish sperm cells suspended in dilute citrate solution with plasmid dna, followed by application of high-field-strength electrical pulses (electroporation) to increase dna binding., uptake, or both. tissue homogenates and genomic dna extracts of free swimming fry developed from eggs fertilized with treated sperm was tested to evaluate the efficiency of gene transfer. dot b ... | 2012 | 1308817 |
| investigations into the effects of concentration and duration of exposure to formalin and malachite green on the survival of the larvae and juveniles of the common carp cyprinus carpio l. and the sharptooth catfish clarias gariepinus (burchell). | prophylactic dip treatments using formalin and malachite green were applied to 4-day old larvae and 12- and 20-day old juveniles of the european common carp, cyprinus carpio and the african sharptooth catfish, clarias gariepinus. treatments consisted of 100 mg/l malachite green for exposure periods of 10, 30 or 90 s and 200 mg/l formalin, administered for 30, 60 or 90 min. larvae and juveniles of c. gariepinus could be treated with 100 mg/l malachite green for 10 s, or with 200 mg/l formalin for ... | 1991 | 1780124 |
| treatment of cyprinus carpio l. and clarias gariepinus (burchell) embryos with formalin and malachite green: effect of concentration and length of treatment on their survival. | malachite green and formalin were investigated as prophylactic dip treatments for developing embryos of cyprinus carpio and clarias gariepinus. based on the findings, recommendations are made on the respective concentrations to be used and exposure periods to be followed for both formalin and malachite green for both fish species. | 1991 | 1780123 |
| purification of gonadotropic hormone from the pituitary of the african catfish, clarias gariepinus (burchell), and the development of a homologous radioimmunoassay. | glycoprotein gonadotropic hormone (gth) was purified from 2000 pituitaries of male and female african catfish, clarias gariepinus. the first step was chromatography on concanavalin a-sepharose followed by filtration on ultrogel aca 54, chromatography on deae-cellulose, and filtration on ultrogel aca 54, respectively. finally, the purified fractions were analyzed by polyacrylamide gel electrophoresis. the gonadotropic activity in the different fractions was characterized using two tests: the radi ... | 1986 | 3536658 |
| the use of peptide markers of carp and herring allergens as an example of detection of sequenced and non-sequenced proteins. | the objective of this study is to identify fish protein markers for detecting multiple species based on a comparative proteomic approach that relies on fragments with identical sequences. the possibilities and challenges of the use of peptides obtained from carp (cyprinus carpio) and herring (clupea harengus) proteins are discussed. a bioinformatic analysis was followed by an lc-ms/ms experiment to identify markers predicting the presence of fish allergenic proteins. selected myosin peptides wer ... | 2016 | 27956857 |
| immunoreactive endothelin in plasma of nonmammalian vertebrates. | immunoreactive endothelin (ir-et) was estimated in plasma of nonmammalian vertebrates, using radioimmunoassay (ria) for endothelin-1 (et-1). blood samples were collected from unanesthetized animals. plasma et was determined by ria after extraction. plasma levels of ir-et were 0.7 +/- 0.2 pg/ml (n = 6) in the hagfish eptatretus burgeri, 4.3 +/- 0.9 pg/ml (n = 5) in the banded dogfish triakis scyllia, 3.6 +/- 0.8 pg/ml (n = 3) in the common japanese conger conger myriaster, 9.6 +/- 1.4 pg/ml (n = ... | 1991 | 1725396 |
| purification and molecular cloning of a dna adp-ribosylating protein, carp-1, from the edible clam meretrix lamarckii. | the cabbage butterflies pieris rapae and pieris brassicae have unique enzymes, named pierisin-1 and -2, respectively, that catalyze the adp-ribosylation of guanine residues of dna, which has been linked with induction of apoptosis and mutation in mammalian cell lines. in the present study, we identified adp-ribosylation activity targeting dna in six kinds of edible clam. similar to our observations with pierisin-1 and -2, crude extracts from the clams meretrix lamarckii, ruditapes philippinarum, ... | 2006 | 16945908 |
| the temporal pattern of interphase prolongation and nuclear activities during early embryogenesis in teleostei. | temporal relationship between the beginning of the increase of interphase duration, rna synthesis in the nuclei and morphogenetic function of nuclei have been studied using dimensionless criteria of development duration. experiments were performed in the trout (salmo trutta m.fario andsalmo irideus), the whitefish (coregonus lavaretus), the pike (esox lucius) and the carp (cyprinus caprio). in all these species interphase begins to lengthen approximately at the same developmental stages. the ons ... | 1970 | 28304550 |
| mechanism of deep-sea fish α-actin pressure tolerance investigated by molecular dynamics simulations. | the pressure tolerance of monomeric α-actin proteins from the deep-sea fish coryphaenoides armatus and c. yaquinae was compared to that of non-deep-sea fish c. acrolepis, carp, and rabbit/human/chicken actins using molecular dynamics simulations at 0.1 and 60 mpa. the amino acid sequences of actins are highly conserved across a variety of species. the actins from c. armatus and c. yaquinae have the specific substitutions q137k/v54a and q137k/l67p, respectively, relative to c. acrolepis, and are ... | 2014 | 24465747 |
| pierisins and carp-1: adp-ribosylation of dna by artcs in butterflies and shellfish. | the cabbage butterfly, pieris rapae, and related species possess a previously unknown adp-ribosylating toxin, guanine specific adp-ribosyltransferase. this enzyme toxin, known as pierisin, consists of enzymatic n-terminal domain and receptor-binding c-terminal domain, or typical ab-toxin structure. pierisin efficiently transfers an adp-ribosyl moiety to the n(2) position of the guanine base of dsdna. receptors for pierisin are suggested to be the neutral glycosphingolipids, globotriaosylceramide ... | 2015 | 25033755 |
| a cd46-like molecule functional in teleost fish represents an ancestral form of membrane-bound regulators of complement activation. | in the complement system, the regulators of complement activation (rca) play crucial roles in controlling excessive complement activation and in protecting host cell from misdirected attack of complement. several members of rca family have been cloned from cyclostome and bony fish species and classified into soluble and membrane-bound type as in mammalian rca factors. complement-regulatory functions have been described only for soluble rca of lamprey and barred sand bass; however, little is know ... | 2015 | 25452563 |
| sublethal effects of pulp and paper mill effluent on two commonly cultured carps: a sem- and eds-based hematological biomarker analysis. | blood being a vehicle for the transport of industrial pollutants in living system, fish hematology is considered as potent biomarker. in the present study, we investigated respective sublethal effects of pulp and paper mill effluents on hematology of two commonly cultured carps, cyprinus carpio and ctenopharyngodon idella, using optical, scanning electron microscopy and energy-dispersive x-ray spectroscopy. irrespective of species, results showed significant decrease in erythrocyte, hematocrit a ... | 2016 | 27378480 |
| molecular characterization and expression patterns of myogenin in compensatory growth of megalobrama amblycephala. | myogenin (myog) is a muscle-specific basic helix-loop-helix (bhlh) transcription factor that plays an essential role in regulating skeletal muscle development and growth. to investigate molecular characterization of myog and the effect of starvation/refeeding on the gene expression, we isolated the myog cdna sequence and analyzed the expression patterns using quantitative real-time polymerase chain reaction in megalobrama amblycephala. sequence analysis indicated that m. amblycephala myog shared ... | 2014 | 24440962 |
| fatal poisoning from eating carp (ctenopharyngodon idella). | | 2010 | 20089035 |
| a novel male-specific dna sequence in the common carp, cyprinus carpio. | in this study, we identified a sex-specific dna marker using randomly amplified polymorphic dna (rapd) fingerprinting in yellow river carps (cyprinus carpio from the yellow river). two hundred and twenty random primers were used in pooled dna samples and individual dna samples from male and female fish for rapd fingerprinting. when using the primer s2107, a novel sex-specific pcr product was identified in all male individuals. dna sequencing revealed that this 909 bp long dna fragment has a low ... | 2009 | 19401231 |
| direct and trophic contamination of the herbivorous carp ctenopharyngodon idella by inorganic mercury and methylmercury. | a comparative analysis of inorganic mercury (hg(ii)) and methylmercury (mmhg) bioaccumulation by the herbivorous fish ctenopharyngodon idella, via the direct and "direct+trophic" routes, was investigated experimentally. the direct contamination was based on fairly low exposure conditions (hg(ii), 300 ng small middle dotl(-1); mmhg, 30 ng small middle dotl(-1)), for 15 and 30 days. the trophic uptake was based on ingestion of macrophyte leaves (elodea densa), previously exposed for 87 days to sim ... | 2001 | 11534952 |
| the beta-actin gene of carp (ctenopharyngodon idella). | | 1989 | 2762162 |
| monooxygenase activity of fish liver in biomonitoring aquatic environment. | the hepatic biotransformation activity of four cultivated freshwater fish, amur carp (ctenopharyngodon idella), carp (cyprinus carpio), rainbow trout (salmo gairdneri) and tench (tinca tinca) were studied one day after catching the fish from ponds and a river in the south of gdr and in fish kept for two weeks in clean filtrated and deacidified water. aryl hydrocarbon hydroxylase, 7-ethoxycoumarin o-deethylase and 7-ethoxyresorufin o-deethylase activities fell to about 20% during the stay in clea ... | 1986 | 3492989 |
| isozymes in androgenetic and gynogenetic white amur, gynogenetic carp, and carp-amur hybrids. | gynogentic and androgenetic progeny appeared in crosses between white amur, ctenopharyngodon idella, and carp, cyprinus carpio. hemoglobin, plasma general proteins, and plasma isoenzymes were studied by electrophoresis to determine inheritance patterns. electrophoretic bands indicated that gynogenetic white amur had no paternal inheritance from carp and that adrogenetic white amur also were pure white amur. gynogeneiss in carp was confirmed by the absence of paternal inheritance. hemoglobins, ge ... | 2006 | 939912 |
| [triploidy in hybrids of carp with other representatives of the cyprinidae family]. | as a result of remote hybridization of carp (cyprinus carpio l.) with the representatives of certain other subfamilies of cyprinidae a few viable f1 hybrids were obtained for the first time. these hybrids proved to be allotriploids. in the cross cyprinus carpio l. female x hemiculter eigenmanni (jord. et metz.) male the rate of survival of this year's brood was 0,5% of the fertilized eggs and 3n=128; whereas in the cross cyprinus carpio l. male x ctenopharyngodon idella (val.) female the rate of ... | 1975 | 1218729 |
| [a case of cryptobia (trypanoplasma) infection in the blood of ctenopharyngodon idella val. bred in the carp farm ponds]. | | 1967 | 5625436 |
| cloning, characterization and expression of estrogen receptor beta in the male half-smooth tongue sole, cynoglossus semilaevis. | a full-length sequence encoding the estrogen receptor beta was isolated from half-smooth tongue sole, cynoglossus semilaevis (hstserβ) using reverse transcription-polymerase chain reaction (rt-pcr) and rapid amplification of cdna ends procedures. the hstserβ cdna clone was found to contain 1,791 nucleotides including an open reading frame that encodes 578 amino acids. the deduced hstserβ protein consisted of six nuclear receptor-characteristic domains. based on a phylogenetic analysis, the hstse ... | 2013 | 23053612 |
| performances of the hybrid between cyca nucleocytplasmic hybrid fish and scattered mirror carp in different culture environments. | to improve the performance of growth traits and survival in common carp, cyca nucleocytoplasmic hybrid fish (c) was used as parental fish for hybridization with russian scattered mirror carp (r). performances in morphological characters, growth traits and survival rate were compared among the purebreds (cc &rr) and crossbreds (rc &cr) at different time period in solitary and communal rearing system, respectively. the results demonstrated that both rc and cr crossbreds inherited the grey skin col ... | 2017 | 28402331 |
| role of bacillus licheniformis vs16-derived biosurfactant in mediating immune responses in carp rohu and its application to the food industry. | multifarious applications of bacillus licheniformis vs16-derived biosurfactant were explored. labeo rohita fingerlings were injected intraperitoneally with 0.1 ml of phosphate-buffered saline (pbs) containing purified biosurfactant at 0 (control), 55 (s55), 110 (s110), 220 (s220), or 330 (s330) μg ml(-1) concentrations. various immunological parameters and the expression of immune-related genes were measured at 7, 14, and 21 days post-administration (dpa). at 21 dpa, fish were challenged with ae ... | 2017 | 28400765 |
| acute toxication of deltamethrin results in activation of inos, 8-ohdg and up-regulation of caspase 3, inos gene expression in common carp (cyprinus carpio l.). | deltamethrin is a widely used synthetic pyrethroid pesticide that protects agricultural yields, including crops, fruits, and vegetables from insect-pests. it is known that deltamethrin toxication leads to metabolic disorders and has detrimental effects on the brain and liver in different organisms. however, the harmful effects of deltamethrin toxication on aquatic animals remain unclear. in the present study, we aimed to evaluate the adverse effects of deltamethrin toxication by performing a his ... | 2017 | 28399480 |
| carbamylated albumin is one of the target antigens of anti-carbamylated protein antibodies. | anti-carbamylated protein (anti-carp) antibodies are detected in ra patients. fetal calf serum is used as an antigen source in anti-carp elisa, and the precise target antigens have not been found. we aimed to identify the target antigens of anti-carp antibodies. | 2017 | 28398552 |
| bioaccumulation of some heavy metals: analysis and comparison of cyprinus carpio and labeo rohita from sardaryab, khyber pakhtunkhwa. | we examined and compared heavy metals bioaccumulation in cyprinus carpio and labeo rohita netted from sardaryab, a tributary of river kabul. by using atomic absorption spectrometry we assessed different organs including livers, gills, and muscles. metals studied were chromium, iron, zinc, lead, and copper. livers of both species showed higher concentrations of metals while muscles showed the least amount. chromium and iron were the highly concentrated metals in the gills and livers of both speci ... | 2017 | 28396869 |
| [confluent and reticulated papillomatosis subsiding spontaneously after delivery: report of one case]. | gougerot and carteaud confluent and reticulated papillomatosis (carp) is an uncommon dermatosis characterized by hyperpigmented scaly macules or papillomatous papules coalescing into confluent patches or plaques centrally with a reticular pattern peripherally. we report a 28-year-old woman presenting at 16 weeks of gestation with an itchy rash that was biopsied and turned out to be consistent with carp. options for treatment were discussed but the woman refused to take any systemic therapy and u ... | 2016 | 28394969 |
| assessment of anti-carp antibodies, disease activity and quality of life in rheumatoid arthritis patients on conventional and biological disease-modifying antirheumatic drugs. | good biomarkers are important to guide decisions in the clinical management of rheumatoid arthritis (ra). ra patients harbor antibodies directed against carbamylated proteins which may predict joint damage. this study investigated whether antibodies against carbamylated proteins (anti-carp) may serve as surrogate prognostic markers. | 2017 | 28386136 |
| structural integrity and viability of fredericella sultana statoblasts infected with tetracapsuloides bryosalmonae (myxozoa) under diverse treatment conditions. | fredericella sultana is an invertebrate host of tetracapsuloides bryosalmonae, the causative agent of proliferative kidney disease in salmonids. the bryozoan produces seed-like statoblasts to facilitate its persistence during unfavourable conditions. statoblasts from infected bryozoans can harbor t. bryosalmonae and give rise to infected bryozoan colonies when conditions improve. we aimed in the present study to evaluate the integrity and viability of t. bryosalmonae-infected statoblasts after a ... | 2017 | 28381233 |
| intake of carp meat from two aquaculture production systems aimed at secondary prevention of ischemic heart disease - a follow-up study. | our previous study showed that a diet enriched with 400 g of carp per week improved plasma lipids in subjects after aortocoronary bypass (cabg). the aim of the present study is to determine whether the different carp farming systems have an impact on the effects of carp meat in secondary cardiovascular prevention. we examined 3 groups of patients after cabg over a 4-week period of spa treatment (108 persons, 73 males, 35 females, age over 60 years). we found no differences in baseline values of ... | 2017 | 28379038 |
| type i interferon gene response is increased in early and established rheumatoid arthritis and correlates with autoantibody production. | rheumatoid arthritis (ra) is an inflammatory debilitating disease that affects the joints in the early and productive phases of an individual's life. several cytokines have been linked to the disease pathogenesis and are known to contribute to the inflammatory state characteristic of ra. the participation of type i interferon (ifn) in the pathogenesis of the disease has been already described as well as the identity of the genes that are regulated by this molecule, which are collectively known a ... | 2017 | 28373872 |
| dynamic rheological, microstructural and physicochemical properties of blend fish protein recovered from kilka (clupeonella cultriventris) and silver carp (hypophthalmichthys molitrix) by the ph-shift process or washing-based technology. | this study aimed to evaluate how blending ph-shift produced protein isolates from gutted kilka (clupeonella cultriventris) and silver carp (hypophthalmichthys molitrix) affected dynamic rheological and chemical properties of the proteins as well as microstructural and physico-mechanical properties of produced gels. studied variables were protein solubilization ph (acid vs. alkaline) and blending step (before or after protein precipitation). comparisons were made with conventionally washed minces ... | 2017 | 28372233 |
| characterisation of acid-soluble and pepsin-solubilised collagen from frog (rana nigromaculata) skin. | as the first vertebrates connecting water and land, frogs must have evolved certain specialisations. to find the difference among the collagens from amphibian, fish and mammal animals, acid-soluble collagen (asc) and pepsin-solubilised collagen (psc) from frog skin were isolated and characterised. the yield of psc (19.59%, dry weight) was higher than that of asc (1.83%, dry weight). the hydroxyproline-to-protein ratio of frog skin was 8.37%, which was higher than that of carp skin asc (7.83%) bu ... | 2017 | 28363646 |
| quantitative analysis of glutathione and cysteine s-conjugates of microcystin-lr in the liver, kidney and muscle of common carp (cyprinus carpio) in lake taihu. | tissue distribution of microcystin (mc)-lr-gsh, mc-lr-cys and mc-lr of omnivorous fish in lake taihu was investigated. mc-lr and mc-lr-cys were detected in liver, kidney and muscle. the concentration of mc-lr in liver and kidney was 0.052 μg g(-1) dw and 0.067 μg g(-1) dw, respectively. mc-lr-cys appeared to be an important metabolite with average contents of 1.104 μg g(-1) dw and 0.724 μg g(-1) dw in liver and kidney, and the mc-lr-cys/mc-lr ratio in liver and kidney reaching as high as 21.4 an ... | 2017 | 28362311 |
| the microrna repertoire of tibetan naked carp gymnocypris przewalskii: a case study in schizothoracinae fish on the tibetan plateau. | tibetan naked carp gymnocypris przewalskii is an ideal model system to study highland adaptation of fish, because it evolved specific genetic and phenotypic characteristics to adapt to chronic cold and alkaline environments in lake qinghai. micrornas (mirnas) are small noncoding rnas that regulating gene expression post-transcriptionally in a wide range of biological processes. in this study, we focus on the role of mirnas in adaptation of g. przewalskii to extreme conditions in lake qinghai. we ... | 2017 | 28358922 |
| studying the genetics of resistance to cyhv-3 disease using introgression from feral to cultured common carp strains. | sustainability and further development of aquaculture production are constantly challenged by outbreaks of fish diseases, which are difficult to prevent or control. developing fish strains that are genetically resistant to a disease is a cost-effective and a sustainable solution to address this challenge. to do so, heritable genetic variation in disease resistance should be identified and combined together with other desirable production traits. aquaculture of common carp has suffered substantia ... | 2017 | 28344591 |
| the metabolic response in fish to mildly elevated water temperature relates to species-dependent muscular concentrations of imidazole compounds and free amino acids. | fish species show distinct differences in their muscular concentrations of imidazoles and free amino acids (faa). this study was conducted to investigate whether metabolic response to mildly elevated water temperature (mewt) relates to species-dependent muscular concentrations of imidazoles and faa. thirteen carp and 17 nile tilapia, housed one per aquarium, were randomly assigned to either acclimation (25°c) or mewt (30°c) for 14 days. main muscular concentrations were histidine (his; p<0.001) ... | 2017 | 28343576 |
| different expression patterns of sperm motility-related genes in testis of diploid and tetraploid cyprinid fish1. | sperm motility is an important standard to measure the fertility of male. in our previous study, we found that the diploid spermatozoa from allotetraploid hybrid (4nat) had longer durations of rapid and slow progressive motility than haploid spermatozoa from common carp (coc). in this study, to explore sperm motility-related molecular mechanisms, we compared the testis tissues transcriptomes from two years old male coc and 4nat. the rna-seq data revealed that 2985 genes were differentially expre ... | 2017 | 28340181 |
| description of three new species of the genus myxobolus infecting carp fishes of india. | myxobolus bütschli, 1882 (myxozoa, myxosporea, bivalvulida, myxobolidae) is an important parasitic protozoan of freshwater fishes reported from almost all over the world. the severity of infection may lead to mortality of the host fish. the present paper deals with the description of three new species of myxobolus bütschli, 1882, myxobolus sonarpurensis sp. nov., myxobolus elongatum sp. nov. and myxobolus petalum sp. nov. from a freshwater minor carp labeo bata (hamilton, 1822) and major carp la ... | 2017 | 28316405 |
| molecular characterization of myxoboluscatmrigalae (myxosporea: myxobolidae) infecting the gill lamellae of carp cirrhinusmrigala (hamilton). | the present study attempted sequencing the 18s rrna gene of myxoboluscatmrigalae infecting the gill lamellae of carp, cirrhinusmrigala and compared its genetic homology and phylogenetic characteristics with 18s rrna genes of other myxobolus spp. the infected fish had up to 3 small, creamy white plasmodia per gill filament with 30-50 spores each. the spore size was 17.90 ± 0.70 × 7.40 ± 0.40 μm. the sporoplasm contained two large nuclei of size 0.57 ± 0.09 μm and no iodinophilous vacuole. the dna ... | 2017 | 28316389 |
| physico-chemical characteristics and fibril-forming capacity of carp swim bladder collagens and exploration of their potential bioactive peptides by in silico approaches. | this study explores the sustainable valorization of carp swim bladder by-products. the high-value molecule collagens were successfully extracted from carp swim bladder with a yield of ∼60% (dry weight basis) and characterized by sodium dodecyl sulfate polyacrylamide gel electrophoresis, uv-spectrum and fourier transform infrared spectroscopy. the extracted collagens showed the fibril-forming ability and high denaturation temperature (38-39°c). furthermore, the extracted collagens subjected to pr ... | 2017 | 28315441 |
| modulatory role of l-carnitine against microcystin-lr-induced immunotoxicity and oxidative stress in common carp. | microcystin-lr (mclr), one of the most popular microcystins (mcs) found in many field water bodies around the world, poses great health risks to animals and humans. in the present study, healthy common carp (initial weight 24.8 ± 2.3 g) were randomly assigned to five groups. group i was fed on normal diet as control. group ii was maintained on normal diet and received mclr intraperitoneal injection (150 μg kg(-1) bw). common carp in groups iii, iv, and v were daily pretreated with l-carnitine (l ... | 2017 | 28315160 |
| analysis of common carp cyprinus carpio sperm motility and lipid composition using different in vitro temperatures. | in fish, sperm quality is frequently associated with sperm motility variables. the response of sperm motility to different temperatures varies among species and plasma membrane lipid composition may contribute to variations in findings in previous research. in the present study, sperm motility and lipid composition were analysed between motile or immotile carp cyprinus carpio sperm at different in vitro temperatures (4, 14 and 24°c). the duration of the period over which sperm motility is sustai ... | 2017 | 28302333 |
| encountering a bait is necessary but insufficient to explain individual variability in vulnerability to angling in two freshwater benthivorous fish in the wild. | fish personality traits, such as swimming activity, or personality related emergent behavioural properties, such as the degree of space use shown by an individual fish, should affect encounter rates between individual fish and fishing gear. increased encounters should in turn drive vulnerability to capture by passively operated gears. however, empirical evidence documenting a relationship between activity-based behaviours and vulnerability to capture by passive fishing gear in the wild is limite ... | 2017 | 28301558 |
| pharmacokinetics of a novel anagrelide extended-release formulation in healthy subjects: food intake and comparison with a reference product. | anagrelide is an established therapy for essential thrombocythemia. common adverse effects have been linked to peak plasma concentrations of anagrelide and its 3oh metabolite. our study was performed to investigate the pharmacokinetics (pk) of a novel anagrelide extended-release (aer) formulation and its active metabolites. thirty healthy volunteers were randomized to receive either 2 mg aer (under fasting and fed conditions) or 2 mg commercially available reference product (carp) in an open-lab ... | 2017 | 28301098 |
| chilled and post-thaw storage of sperm in different goldfish types. | the effective storage time of sperm after stripping (for 48 hr in 6-hr intervals) and after thawing (for 6 hr in 2-hr intervals) in black moor, oranda and calico goldfish types was investigated. variations in sperm density were also measured in all lines. the efficiency of a sperm cryopreservation method formerly developed for common carp was recorded in all three goldfish lines. motility parameters ((pmot, %), curvilinear velocity (vcl, μm/s) and straightness (str, %)) of black moor sperm did n ... | 2017 | 28295662 |
| structure, composition, mechanics and growth of spines of the dorsal fin of blue tilapia oreochromis aureus and common carp cyprinus carpio. | the structural, compositional and mechanical properties of the spines of the dorsal fin in mature anosteocytic blue tilapia oreochromis aureus and osteocytic common carp cyprinus carpio are described, as well as their temporal growth pattern and regenerative capacities. the three-dimensional architecture of both spines, from macro to sub-micron levels, is shown to be axially oriented and therefore highly anisotropic and the spines of both species are able to regenerate after partial amputation. | 2017 | 28295281 |
| purification of cone outer segment for proteomic analysis on its membrane proteins in carp retina. | rods and cones are both photoreceptors in the retina, but they are different in many aspects including the light response characteristics and, for example, cell morphology and metabolism. these differences would be caused by differences in proteins expressed in rods and cones. to understand the molecular bases of these differences between rods and cones, one of the ways is to compare proteins expressed in rods and cones, and to find those expressed specifically or dominantly. in the present stud ... | 2017 | 28291804 |
| identification of carbamylated alpha 1 anti-trypsin (a1at) as an antigenic target of anti-carp antibodies in patients with rheumatoid arthritis. | in 2011 a novel autoantibody system, anti-carbamylated protein (anti-carp) antibodies, was described in rheumatoid arthritis (ra) patients. anti-carp antibody positivity associates with a more severe disease course, is observed years before disease onset, and may predict the development of ra in arthralgia patients. although many clinical observations have been carried out, information on the antigenic targets of anti-carp antibodies is limited. most studies on anti-carp antibodies utilize an el ... | 2017 | 28291659 |
| erratum: allometric analysis of a morphological anti-predator trait in geographic populations of japanese crucian carp. | | 2017 | 28290534 |
| estrogenic effects in feral male common carp (cyprinus carpio) from laguna de bay, philippines. | this study was conducted to measure 17β-estradiol (e2) levels in laguna de bay, philippines and to examine feral male common carp for evidence of exposure to estrogenic pollutants. analysis of water samples revealed e2 concentrations of 630 and 550 ng/l from the east and west bay of the lake, respectively. plasma vitellogenin (vtg) in captured fish ranged from 506 to 4083 ng/ml. in comparison to the reference and west bay groups, fish from the east bay had higher plasma vtg concentrations and re ... | 2017 | 28289806 |
| anti-inflammatory and hepatoprotective effects of glycyrrhetinic acid on ccl4-induced damage in precision-cut liver slices from jian carp (cyprinus carpio var. jian) through inhibition of the nf-kɓ pathway. | in order to evaluate the antioxidant and anti-inflammatory effects of glycyrrhetinic acid (ga) on carbon tetrachloride (ccl4)-induced damage in precision-cut liver slices (pcls) from jian carp (cyprinus carpio. jian), an acute liver damage model was established in this study. the viability of pcls, levels of anti-oxidases in liver homogenates, expression of inflammation-related genes including nuclear factor-κb (nf-κb)/c-rel, inducible nitric oxide synthase (inos), interleukin-1β (il-1β), interl ... | 2017 | 28288912 |
| beyond citrullination: other post-translational protein modifications in rheumatoid arthritis. | the presence of autoantibodies is one of the hallmarks of rheumatoid arthritis (ra). in the past few decades, rheumatoid factors (autoantibodies that recognize the fc-tail of immunoglobulins) as well as anti-citrullinated protein antibodies (acpas) have been studied intensively. acpas recognize post-translationally modified proteins in which the amino acid arginine has been converted into a citrulline. more recently, other autoantibody systems recognizing post-translationally modified proteins h ... | 2017 | 28275265 |
| effect of cinnamon essential oil on bacterial diversity and shelf-life in vacuum-packaged common carp (cyprinus carpio) during refrigerated storage. | the present study investigated the effect of cinnamon essential oil on the quality of vacuum-packaged common carp (cyprinus carpio) fillets stored at 4±1°c in terms of sensory scores, physicochemical characteristics (total volatile basic nitrogen (tvb-n), biogenic amines, and color), and presence of spoilage microbiota. a total of 290,753 bacterial sequences and 162 different genera belonging to 14 phyla were observed by a high-throughput sequencing technique targeting the v3-v4 region of 16s rd ... | 2016 | 28271852 |
| the anti-photoaging effect of antioxidant collagen peptides from silver carp (hypophthalmichthys molitrix) skin is preferable to tea polyphenols and casein peptides. | applying antioxidants to attenuate skin photoaging has received great attention. in this study, antioxidant collagen peptides (acps) with different activities were prepared using different proteases, called high (hcp), medium (mcp) and low antioxidant collagen peptides (lcp). the effects of acps, tea polyphenols (tp) and casein peptides (cp) on the photoaged skin of mice were evaluated and compared. ingestion of acps significantly alleviated uv-induced abnormal alterations of skin components and ... | 2017 | 28266664 |
| the effect of collagen hydrolysates from silver carp (hypophthalmichthys molitrix) skin on uv-induced photoaging in mice: molecular weight affects skin repair. | the use of collagen hydrolysates (chs) as a nutraceutical agent in skin aging has gained increasing attention. here, the effects of various doses and molecular weights of ch from silver carp skin on photoaging in mice were investigated. the ingestion of ch at 50, 100 and 200 mg per kg body weight led to a dose-dependent increase in the hydroxyproline, hyaluronic acid and moisture contents of the skin, but it had no significant effect on the mice body weight, or on the spleen or thymus index. fur ... | 2017 | 28266663 |
| suppressive immunoregulatory effects of three antidepressants via inhibition of the nuclear factor-κb activation assessed using primary macrophages of carp (cyprinus carpio). | antidepressants, having been applied for the treatment of major depressive disorder and other conditions for decades, are among the most commonly detected human pharmaceuticals in the aquatic environment. this study evaluated the immunotoxicity of acute exposure to environmentally relevant concentrations of amitriptyline, fluoxetine and mianserin using an in vitro primary macrophage model isolated from red common carp (cyprinus carpio), and also explored their potential mechanisms of action. a p ... | 2017 | 28263824 |
| effects of therapeutic formalin bath on selected indices in fish. | the aim of this study is to assess the effects of a treatment bath in a formalin solution on fish, focusing on haematological, biochemical and histopathological profiles. | 2016 | 28263533 |
| acute toxicity effect of cypermethrin on common carp (cyprinus carpio). | the present study aimed to assess the acute effect of cypermethrin on common carp (cyprinus carpio). evaluation of toxicity effects of cypermethrin on carp was performed on based assessment of hematological profile, antioxidant and oxidative biomarkers and histopathology. | 2016 | 28263532 |
| development of a common carp (cyprinus carpio) pregnane x receptor (cpxr) transactivation reporter assay and its activation by azole fungicides and pharmaceutical chemicals. | in mammals, the pregnane x receptor (pxr) is a transcription factor with a key role in regulating expression of several genes involved in drug biotransformation. pxr is present in fish and some genes known to be under its control can be up-regulated by mammalian pxr ligands. despite this, direct involvement of pxr in drug biotransformation in fish has yet to be established. here, the full length pxr sequence was cloned from carp (cyprinus carpio) and used in a luciferase reporter assay to elucid ... | 2017 | 28259787 |
| genomic and transcriptomic approaches to study immunology in cyprinids: what is next? | accelerated by the introduction of next-generation sequencing (ngs), a number of genomes of cyprinid fish species have been drafted, leading to a highly valuable collective resource of comparative genome information on cyprinids (cyprinidae). in addition, ngs-based transcriptome analyses of different developmental stages, organs, or cell types, increasingly contribute to the understanding of complex physiological processes, including immune responses. cyprinids are a highly interesting family be ... | 2017 | 28257855 |
| zebra fish lacking adaptive immunity acquire an antiviral alert state characterized by upregulated gene expression of apoptosis, multigene families, and interferon-related genes. | to investigate fish innate immunity, we have conducted organ and cell immune-related transcriptomic as well as immunohistologic analysis in mutant zebra fish (danio rerio) lacking adaptive immunity (rag1(-/-)) at different developmental stages (egg, larvae, and adult), before and after infection with spring viremia carp virus (svcv). the results revealed that, compared to immunocompetent zebra fish (rag1(+/+) ), rag1(-/-) acquired increased resistance to svcv with age, correlating with elevated ... | 2017 | 28243233 |
| nutritional and digestive properties of protein isolates extracted from the muscle of the common carp using ph-shift processing. | this study details the nutritional and digestive properties of protein isolates that are extracted from carp (cyprinus carpio l.) muscle using ph shifting methods. alkaline (alpi) and acid (acpi) protein isolates exhibit higher protein yields (87.6%, 76.3%, respectively). in addition to the high recovery of myofibrillar protein, a portion of the water-soluble proteins is also recovered. the moisture contents of acpi and alpi are 85.5% and 88.5%, respectively, and the crude protein contents of th ... | 2017 | 28239212 |
| first record of myxozoan parasites from fresh water fishes of jammu and kashmir and their pathogenecity. | the present study was aimed to isolate myxozoan parasites infecting the native carp schizothorax esocinus (heckel) and pond reared carp labeo rohita (ham.) collected from fresh water ecosystems of jammu and kashmir from july 2013 to june 2014. various organs such as eyes, gills, scales, fins, intestines, visceral organs and pericardial cavity of as many as 100 live specimens were examined. results revealed that 14% of the examined l. rohita were infected with myxobolus rocatlae (ham.) and 6% of ... | 2017 | 28232055 |
| diversification of hox gene clusters in osteoglossomorph fish in comparison to other teleosts and the spotted gar outgroup. | an ancient genome duplication (tgd or 3r) occurred in teleost fish after divergence from the lineage leading to gar. this genome duplication is shared by the three extant teleost lineages: osteoglossomorpha (bony-tongues), elopomorpha (eels and tarpons), and clupeocephala (a large clade including salmon, carp, medaka, zebrafish, cichlids, pufferfish, stickleback, and ∼26,000 other species). after tgd, different clupeocephalan species retained different gene duplicates; this is seen clearly in ho ... | 2017 | 28229564 |
| experimental infections of different carp strains with the carp edema virus (cev) give insights into the infection biology of the virus and indicate possible solutions to problems caused by koi sleepy disease (ksd) in carp aquaculture. | outbreaks of koi sleepy disease (ksd) caused by carp edema virus (cev) may seriously affect populations of farmed common carp, one of the most important fish species for global food production. the present study shows further evidence for the involvement of cev in outbreaks of ksd among carp and koi populations: in a series of infection experiments, cev from two different genogroups could be transmitted to several strains of naïve common carp via cohabitation with fish infected with cev. in reci ... | 2017 | 28222784 |
| tracing the biotransformation of pcbs and pbdes in common carp (cyprinus carpio) using compound-specific and enantiomer-specific stable carbon isotope analysis. | compound-specific and enantiomer-specific carbon isotope composition was investigated in terms of biotransformation of polychlorinated biphenyls (pcbs) and polybrominated diphenyl ethers (pbdes) as well as atropisomers of chiral pcb congeners in fish by exposing common carp (cyprinus carpio) to certain pcb and pbde congeners. the calculated carbon isotope enrichment factors (εc) for pcb 8, 18, and 45 were -1.99, -1.84, and -1.70‰, respectively, providing evidence of the metabolism of these conge ... | 2017 | 28208015 |
| gold nanoprobe-enabled three-dimensional ozone imaging by optical coherence tomography. | ozone (o3) would be harmful to human skin for its strong oxidizing property, especially when stratum corneum or corneal epithelium is wounded. imaging the penetration and distribution of ozone at depth is beneficial for studying the influence of ozone on skin or eyes. here, we introduced a facile method for three-dimensional (3d) imaging of the penetration of o3 into the anterior chamber of an isolated crucian carp eye by using optical coherence tomography (oct) combined with gold triangular nan ... | 2017 | 28192946 |
| molecular characterization of a fish-specific toll-like receptor 22 (tlr22) gene from common carp (cyprinus carpio l.): evolutionary relationship and induced expression upon immune stimulants. | in the host innate immune system, various pattern recognition receptors (prrs) recognize conserved pathogens-associated molecular patterns (pamps), and represent an efficient first line of defense against invading pathogens. tlr22 is one of the fish-specific toll-like receptors (tlrs), identified in a variety of fish species. in this study, we report the cloning and identification of a tlr22 cdna from the gills of common carp (cyprinus carpio l.). the full-length cctlr22 cdna was 3301 bp long, i ... | 2017 | 28192255 |
| national estimation of seafood consumption in mexico: implications for exposure to methylmercury and polyunsaturated fatty acids. | seafood is a good source of omega-3 polyunsaturated fatty acids (ω3-pufa) but also contains the toxic contaminant methylmercury (mehg). national estimates of exposure to both compounds through seafood intake in mexico are not known. the objective of the current study was to describe national seafood consumption habits and to estimate seafood-based exposure to ω3-pufas and mehg. | 2017 | 28183054 |
| the role of microorganisms in the degradation of adenosine triphosphate (atp) in chill-stored common carp (cyprinus carpio) fillets. | biochemical and microbial changes after harvest strongly affect the final quality and shelf life of fish and fish products. in this study, the role of microbes in the degradation of adenosine triphosphate (atp), and the origin of adenosine monophosphate deaminase (ampd) and acid phosphatase (acp) in common carp fillets during different stages of chilled storage (at 4°c) were investigated. the content of atp, adp, amp, imp, hxr, and hx, the activity of ampd and acp, and the total count of viable, ... | 2017 | 28159278 |
| physicochemical process, crustacean, and microcystis biomass changes in situ enclosure after introduction of silver carp at meiliang bay, lake taihu. | in order to control cyanobacteria blooms with silver carp in lake taihu, an in situ experiment was carried out by stocking silver carp at a biomass of 35, 70, and 150 g m(-3) and no carp control in waterproof enclosures. physicochemical water parameters and biomass of plankton were measured in enclosures to evaluate the suitable stocking density of silver carp for relieving internal nutrients and constraining cyanobacteria growth in lake taihu. it is found that the 35 g m(-3) silver carp group a ... | 2017 | 28154770 |
| myxobolus taibaiensis sp. n. (myxozoa: myxosporea) infecting the intestinal wall of common carp cyprinus carpio linnaeus in china. | myxobolus taibaiensis sp. n. was found in the inner intestinal wall of common carp, cyprinus carpio linnaeus, during the investigation of fish parasite fauna in lake taibai, located in the middle reach of the yangtze river, china. the whitish ellipsoidal plasmodia, up to 2.9 mm long and 1.7 mm wide, developed in the circular muscle layer of the intestinal wall and produced significant compression into adjacent tissues, but no significant inflammatory responses were observed against this infectio ... | 2017 | 28148906 |
| growth comparison of israeli carp (cyprinus carpio) to different breeding combination. | the purpose of this study was to investigate the improvement of growth in israeli carp (cyprinus carpio), and the cross experiment was carried out with two strains of israeli carp. four combinations of israeli carp from jeonbuk fisheries farm and songpu mirror carp from heilong jiang, china (kk; jeonbuk ♀ × jeonbuk ♂, kc; jeonbuk ♀ × china ♂, cc; china ♀ × china ♂ and ck; china ♀ × jeonbuk ♂) were developed and reared. body length, body weight and condition factor were determined at 20, 40, 60 a ... | 2016 | 28144632 |
| alterations in microrna expression in the tissues of silver carp (hypophthalmichthys molitrix) following microcystin-lr exposure. | in the field of toxicology, the relationship between micrornas (mirnas) and microcystin-lr (mc-lr) toxicity in fish is still poorly understood. in the present study, we used quantitative real-time pcr (qpcr) to examine the expression of 7 mirnas (let-7b, mir-21, mir-122, mir-27b, mir-148, mir-125a, and mir-143) that play regulatory roles in biological processes such as signal transduction, apoptosis, cell cycle, and fatty acid metabolism. expression patterns were assessed in the liver, spleen, a ... | 2017 | 28131796 |
| preventive and reparative effects of isoleucine against copper-induced oxidative damage in primary fish enterocytes. | the present study aimed to assess the possible preventive and reparative effects of isoleucine (ile) against copper (cu)-induced oxidative stress in fish enterocytes in vitro. in experiment 1, enterocytes were preincubated with increasing concentrations of ile (0, 50, 120, 190, 260, and 330 mg l(-1)) for 72 h followed by exposure to 6 mg l(-1) cu for 24 h. in experiment 2, the enterocytes were pretreated with 6 mg l(-1) cu for 24 h and then treated with 0-330 mg l(-1) ile for 72 h to investigate ... | 2017 | 28130733 |
| allergenicity of bony and cartilaginous fish - molecular and immunological properties. | allergy to bony fish is common and probably increasing world-wide. the major heat-stable pan-fish allergen, parvalbumin (pv), has been identified and characterized for numerous fish species. in contrast, there are very few reports of allergic reactions to cartilaginous fish despite widespread consumption. the molecular basis for this seemingly low clinical cross-reactivity between these two fish groups has not been elucidated. pv consists of two distinct protein lineages, α and β. the α-lineage ... | 2017 | 28117510 |
| identification, expression pattern and functional characterization of as-kip2 in diapause embryo restarting process of artemia sinica. | proper control of the cellular processes requires a variety of regulatory proteins that are involved in the cell cycle, proliferation and apoptosis. cyclin-dependent kinase inhibitor (cki) negatively regulates transcription and arrests the cell cycle in g1 phase. kip2 is a member of cki family, which could inhibit proliferation by tight-binding with several cyclin-cdk complexes. during the embryonic development of the brine shrimp, artemia sinica, kip2 plays a key role in the cell cycle regulati ... | 2017 | 28115244 |
| hepatoprotective and antioxidant effects of dietary glycyrrhiza polysaccharide against tcdd-induced hepatic injury and rt-pcr quantification of ahr2, arnt2, cyp1a mrna in jian carp (cyprinus carpio var. jian). | to evaluate the protective effects of glycyrrhiza polysaccharide (gps) against 2,3,7,8-tetrachlorodibenzo-p-dioxin (tcdd)-induced hepatotoxicity in jian carp, the fish were fed diets containing gps at doses of 0.1, 0.5 and 1.0g/kg for 60days before an intraperitoneal injection of 0.6μg/kg tcdd at a volume of 0.05ml/10g body weight. at 72hr post-injection, blood and liver samples were taken for biochemical analysis and the fish liver samples were used for the preparation of pathological slices. t ... | 2017 | 28115129 |
| dietary exposure to toxic and essential trace elements by consumption of wild and farmed carp (cyprinus carpio) and caspian kutum (rutilus frisii kutum) in iran. | this study was conducted to determine and compare the concentrations of mercury (hg), cadmium (cd), arsenic (as), lead (pb), nickel (ni), iron (fe), zinc (zn), copper (cu), manganese (mn), cobalt (co), and selenium (se) in the muscle of wild and farmed carp (cyprinus carpio) and wild and farmed caspian kutum (rutilus frisii kutum) collected from south-western caspian sea areas of iran between december 2014 and march 2015. in addition, risk assessment of consumers to exposure to metals through fi ... | 2017 | 28110010 |
| interspecific variation and plasticity in hemoglobin nitrite reductase activity and its correlation with oxygen affinity in vertebrates. | deoxygenated hemoglobin (hb) is a nitrite reductase that reduces naturally occurring nitrite to nitric oxide (no), supplying physiological relevant no under hypoxic conditions. the nitrite reductase activity is modulated by the allosteric equilibrium between the r and t structures of hb that also determines oxygen affinity. in the present study we investigated nitrite reductase activity and o2 affinity in hbs from ten different vertebrate species under identical conditions to disclose interspeci ... | 2017 | 28109837 |
| validation of daily increment deposition and early growth of mud carp cirrhinus molitorella. | in this study, laboratory reared cirrhinus molitorella from hatching through to the juvenile stage were used to validate daily increment deposition. lapilli were suitable for ageing c. molitorella. the slope of the linear relationships between increment counts and age was not significantly different from 1 (n = 258, p > 0·05), indicating that growth increments are deposited daily. the first increment following the first-feeding check formed 3 days post hatch (dph). one hundred and twenty-three j ... | 2017 | 28105739 |
| cyto-genotoxicity and oxidative stress in common carp (cyprinus carpio) exposed to a mixture of ibuprofen and diclofenac. | thirty million people worldwide consume each day nonsteroidal anti-inflammatory drugs (nsaids), a heterogeneous group of pharmaceuticals used for its analgesic, antipyretic, and anti-inflammatory properties. recent studies report high nsaid concentrations in wastewater treatment plant effluents, in surface, ground, and drinking water, and in sediments. nsaids are also known to induce toxicity on aquatic organisms. however, toxicity in natural ecosystems is not usually the result of exposure to a ... | 2017 | 28101901 |
| a comparative study on antioxidant system in fish hepatopancreas and intestine affected by choline deficiency: different change patterns of varied antioxidant enzyme genes and nrf2 signaling factors. | the liver and intestine are susceptible to the oxidative damage which could result in several diseases. choline deficiency induced oxidative damage in rat liver cells. thus, this study aimed to investigate the potential molecular mechanisms responsible for choline deficiency-induced oxidative damage. juvenile jian carp were fed diets differing in choline content [165 (deficient group), 310, 607, 896, 1167 and 1820 mg/kg diet] respectively for 65 days. oxidative damage, antioxidant enzyme activit ... | 2017 | 28099509 |
| zinc as a signal to stimulate red blood cell formation in fish. | the common carp can tolerate extremely low oxygen levels. these fish store zinc in a specific zinc-binding protein presented in digestive tract tissues, and under low oxygen, the stored zinc is released and used as a signal to stimulate erythropoiesis (red blood cell formation). to determine whether the environmental supply of zinc to other fish species can serve as a signal to induce erythropoiesis as in the common carp, head kidney cells of four different fish species were cultured with supple ... | 2017 | 28085070 |
| cyanobacteria and cyanotoxins in fishponds and their effects on fish tissue. | cyanobacteria can produce toxic metabolites known as cyanotoxins. common and frequently investigated cyanotoxins include microcystins (mcs), nodularin (nod) and saxitoxins (stxs). during the summer of 2011 extensive cyanobacterial growth was found in several fishponds in serbia. sampling of the water and fish (common carp, cyprinus carpio) was performed. water samples from 13 fishponds were found to contain saxitoxin, microcystin, and/or nodularin. lc-ms/ms showed that mc-rr was present in sampl ... | 2016 | 28073548 |
| cryopreservation of carp (cyprinus carpio l.) sperm: impact of seeding and freezing rates on post-thaw outputs. | in the present study, we examined various freezing protocols, effects of controlled seeding, and changes in cooling rate and determined the endpoint (temperature at which sample could be plugged into liquid nitrogen (ln) without visible effect on survival rate after thawing) to reveal the relative importance of each different stage of cooling on freezing success during cryobanking of carp sperm. sperm samples from different individual carp males were frozen in 0.5 ml straws by conventional freez ... | 2017 | 28072924 |
| sublethal effect assessment of a low-power and dual-frequency anti-cyanobacterial ultrasound device on the common carp (cyprinus carpio): a field study. | the use of ultrasonication for cyanobacterial control in freshwater bodies has become increasingly popular during the last decades despite controversial efficiency on large scale application. apart from that, little information is currently available regarding ultrasound toxicity potential towards non-target species. this work was designed to address this issue in the common carp using a low-power (7-9 w output) and dual-frequency (23 and 46 khz) anti-cyanobacterial ultrasound device. results sh ... | 2017 | 28039630 |
| genome-wide association study for muscle fat content and abdominal fat traits in common carp (cyprinus carpio). | muscle fat content is an important phenotypic trait in fish, as it affects the nutritional, technical and sensory qualities of flesh. to identify loci and candidate genes associated with muscle fat content and abdominal fat traits, we performed a genome-wide association study (gwas) using the common carp 250 k snp assay in a common carp f2 resource population. a total of 18 loci surpassing the genome-wide suggestive significance level were detected for 4 traits: fat content in dorsal muscle (mfd ... | 2016 | 28030623 |
| gut content microbiota of introduced bigheaded carps (hypophthalmichthys spp.) inhabiting the largest shallow lake in central europe. | studying the microbiota in the alimentary tract of bigheaded carps (hypophthalmichthys spp.) gained special interest recently, as these types of investigations on non-native fish species may lead to a better understanding of their ecological role and feeding habits in an invaded habitat. for microbiological examinations, bigheaded carp gut contents and water column samples from lake balaton (hungary) were collected from spring to autumn in 2013. denaturing gradient gel electrophoresis (dgge) and ... | 2017 | 28024525 |
| population structure and genetic diversity of indian major carp, labeo rohita (hamilton, 1822) from three phylo-geographically isolated riverine ecosystems of india as revealed by mtdna cytochrome b region sequences. | the population structure and genetic diversity of rohu (labeo rohita hamilton, 1822) was studied by analysis of the partial sequences of mitochondrial dna cytochrome b region. we examined 133 samples collected from six locations in three geographically isolated rivers of india. analysis of 11 haplotypes showed low haplotype diversity (0.00150), nucleotide diversity (π) (0.02884) and low heterogeneity value (0.00374). analysis of molecular variance (amova) revealed the genetic diversity of l. roh ... | 2016 | 28024428 |
| accumulation of mercury in the tissues of the great cormorant (phalacrocorax carbo) from common carp. | the aim of this work is to assess mercury content in the great cormorant in the třeboň region pond systems (czech republic) in terms of its potential to accumulate mercury from common carp. selected tissues samples were taken from 51 cormorants and 30 common carp. in the food chain the cormorant was found to have the potential to accumulate mercury, where the muscle total mercury was roughly 35 times higher compared to the total mercury content in the carp muscle as its food. a statistically sig ... | 2017 | 28004136 |