Publications
| Title | Abstract | Year Filter | PMID(sorted ascending) Filter |
|---|
| studies on the enzymatic reduction of c-nitroso compounds. i. distribution of c-nitrosoreductase activity in animal tissues and partial purification of the enzyme from porcine liver. | the subcellular distribution of nadh-p-nitrosophenol (p-nsp) reductase activity at ph 6.0 in porcine liver was studied by spectrophotometric assay. about two-thirds of the activity was found in the cytosol fraction and the ph optimum of this fraction was about 5.5. the activity at ph 5.8 of cytosol fractions from various tissues of rats, quails, frogs, carp, and scallops was also studied. all these fractions showed more or less nadh-p-nsp reductase activity but the activity of nadh-aldehyde redu ... | 1980 | 6774979 |
| a thermodynamic analysis of the binding of calcium and magnesium ions to parvalbumin. | microcalorimetry and equilibrium dialysis were used to determine the thermodynamic functions delta h0, delta g0 and delta s0 guiding the interaction of ca2+ and mg2+ with purified carp muscle isoparvalbumin of pi 4.25. the equilibrium dialysis studies indicate equal affinities of the two metal sites of parvalbumin for either ca2+ or mg2+ with equilibrium constants of kca = 2.7 x 10(9) m-1, and kmg = 9.5 x 10(4) m-1. binding of the two metal ions is fully competitive with no indication for cooper ... | 1980 | 6777163 |
| dna repeat lengths of erythrocyte chromatins differing in content of histones h1 and h5. | among the erythrocytes of chicken, trout, carp, and sucker, the relative proportion of the lysine-rich histone h5 varied from 20 to 0% of the total histones. following digestion of nuclear chromatin with micrococcal nuclease, each of them displayed a longer dna repeat length and greater repeat length heterogeneity than found in liver chromatin. fish erythrocytes possessed similar repeat lengths of 207-209 base pairs which was 10-12 base pairs shorter than in chicken erythrocyte chromatin and app ... | 1980 | 6777761 |
| purification and properties of glycine decarboxylase, a component of the glycine cleavage system, from rat liver mitochondria and immunochemical comparison of this enzyme from various sources. | glycine decarboxylase, tentatively called p-protein as a constituent of the glycine cleavage system, was purified to near homogeneity from rat liver mitochondria. the purified p-protein was a homodimer with a molecular weight of about 210,000, consisting of identical subunits with a molecular weight of 105,000. in the exchange reaction of the carboxyl carbon of glycine wih co2 catalyzed by the purified p-protein in the presence of h-protein, the ph optimum was 6.7, km for glycine was 6.6 mm, and ... | 1980 | 6778858 |
| maintenance of respiratory rhythm-generation by vascular perfusion with physiological saline in the isolated head of the carp. | 1) vascular perfusion of the isolated head of the carp was carried out with physiological saline. respiratory movement of the grill covers and respiratory discharges of cranial motor nerves were recorded in the preparation. 2) blood vascular vessels supply the brain were anatomically investigated. concentrations (electrolytes, o2, co2, and glucose) and perfusing pressure of the saline were determined by reference to the useful information already available in fish physiology. 3) the movement of ... | 1980 | 6780714 |
| the effect of methallibure (i.c.i., 33828) on the ovary of the carp, cyprinus carpio. | a study has been made on the effect of methallibure (i.c.i., 33828) on ;the ovary of carp. c. carpio. methallibure treatment may exert marked inhibitory influence on vitellogenesis in the fish and cause atresia of vitellogenic follicles, the oogonial proliferation is stepped up. the site and mode of action of methallibure is discussed. | 1980 | 6782840 |
| [organochlorine insecticide and polychlorinated biphenyl residues in some fish species]. | studies were carried out on 7 kinds of fish--black sea scad, aegian sardine, ocean mackerel, white hake, danube red-fin fish, carp and trout, from fish breeding-ponds, with a purpose of finding residual quantities of chloroganic compounds. the average values found for hexachlorcyclohexane, alpha and gamma, ddt and the metabolites, the dildrine and the polychlorinated biphenyls were considerably lower than those established by other authors about the same or similar kinds of fish: sigma ddr--0.15 ... | 1980 | 6791372 |
| reduction of polychlorinated biphenyl (pcb) concentrations in carp (cyprinus carpio) fillets through skin removal. | 1981 | 6793112 | |
| acid-base and electrolyte status in carp (cyprinus carpio) exposed to low environmental ph. | carp (cyprinus carpio) were exposed to environmental water ph (phw) step changes from 7.4 to 5.1, 5.1 to 4.0 and 4.0 to 3.5 ph, pco2, po2 and lactate in dorsal aortic blood, [na+], [k+] and [cl-] in dorsal aortic plasma, base loss, and ammonia excretion were determined as a function of time after each phw step change. at phw 5.1 the measured blood acid-base and electrolyte parameters remained essentially unchanged; the base loss, however, was increased by a factor of 2. when phw was lowered to 4 ... | 1981 | 6793684 |
| oxygen transport and acid-base balance in the blood of the sheatfish, silurus glanis. | oxygen binding and buffer properties of the blood of the sheatfish, silurus glanis, were investigated in vitro at 20 and 10 degrees c. the o2 binding curves were hyperbolic with p50 = 10.1 mm hg (20 degrees c, ph = 7.5) and 4.6 (10 degrees c, ph = 7.5). there was a very large bohr effect with an average delta log p 50/delta ph of - 1.14. at 20 degrees c this value tended to be higher than at 10 degrees c. as a consequence the apparent heat of oxygenation depended on ph. the mean value of delta h ... | 1981 | 6798660 |
| detection of a monoclonal human myeloma protein of igm and igg class by carp anti-idiotypic sera. | in the patient st. with a morbus waldenström macroglobulinemia a double paraproteinemia could be detected. besides the igm myeloma protein an igg myeloma protein was identified during the clinical course. a strong cross reactivity between the igm and the igg myeloma proteins was shown using anti-idiotypic antisera. this is an indirect indication for a common precursor cell clone of the igm- and igg-myeloma protein producing cells. the anti-idiotypic antisera were made in carp. the high specifici ... | 1981 | 6798794 |
| predictability of pcbs in carp harvested in saginaw bay, lake huron. | 1982 | 6807380 | |
| levels of co2 in arterial blood of carp under carbon dioxide anesthesia. | the application of carbon dioxide anesthesia to fish has been studied in order to find a method of transport of live fish. in the continuation of this study, the levels of arterial pao2, paco2 and ph were examined in carp anesthetized with carbon dioxide. in the initial stage of the anesthesia, both pao2 and paco2 increased. in the following stage, paco2 gradually decreased. an increase or decrease in pao2 seems to depend on the levels of paco2 during anesthesia. on the other hand, ecg (electroc ... | 1982 | 6808097 |
| pcbs and other xenobiotics in raw and cooked carp. | 1982 | 6809082 | |
| synthesis of diene prostaglandins in freshwater fish. | biosynthesis of pgd2, pge2 and pgf2 alpha in four species of freshwater fish, tilapia mossambica, cyprinus carpio, heteropneustes fossilis and clarius batrachus was studied. both arachidonic acid and pgh2 were used as substrates. when pgh2 replaced arachidonic acid in the enzymic reaction, there was a 3- to 4-fold increase in pge2 synthesis, but no such increase in the synthesis of pgf2 alpha and pgd2 was observed. | 1982 | 6817004 |
| presence of antigen sensitized leukocytes in carp (cyprinus carpio l) following bath immunization against flexibacter columnaris. | bath immunization of carp (cyprinus carpio l) resulted in protection of fish at natural challenge. stimulation of leukocytes derived from thymus, spleen, anterior kidney and mid-kidney of fish immunized with flexibacter columnaris bacterin revealed the presence of antigen sensitized cells in all lymphoid tissues except the anterior kidney. after 28 days a response was obtained in thymus and spleen leukocyte cultures. | 1982 | 6817508 |
| a new type of mitochondrial monoamine oxidase distinct from type-a and type-b. | the characteristics of mitochondrial monoamine oxidase (mao) in carp liver were studied with mao inhibitors and substrates. this enzyme was thermolabile, but was stabilized in the presence of bovine serum albumin. with clorgyline and deprenyl, single-sigmoidal curves for inhibition of the activity towards tyramine or 5-hydroxytryptamine were obtained; the sensitivities to the two inhibitors were identical. the activity towards beta-phenylethylamine was not completely inhibited by clorgyline or d ... | 1983 | 6823208 |
| primary structure of hemoglobin from trout (salmo irideus) amino acid sequence of the beta chain of trout hb i. | the amino acid sequence of the beta chain of trout hb i is presented; it adds to the previously reported sequence of the alpha chain (bossa et al. (1978) biochim. biophys. acta 536, 298-305), thus completing the primary structure of the hemoglobin component of trout's blood devoid of heterotropic phenomena. comparison of beta chain from trout hb i with the corresponding sequences from human and carp shows differences of 46.6% and 34.7%, respectively; the sequence (almost completed) of the beta c ... | 1983 | 6824687 |
| ethambutol changes the color coding of carp retinal ganglion cells reversibly. | the influence of ethambutol on retinal function was studied by recording ganglion cell responses in isolated carp retinas superfused with a ringer solution containing different concentrations of ethambutol (0 mg/liter, 10 mg/liter, 20 mg/liter, 30 mg/liter). the results indicate that ethambutol reversibly affects color opponency, without changing the sensitivity of the underlying receptor processes. the amacrine and bipolar cells are the most likely candidates to be affected by ethambutol. | 1983 | 6826308 |
| morphologic changes in teleost primary and secondary retinal cells following brief exposure to light. | light adaptive morphologic changes in the teleost retina, such as movements of rods, cones, and epithelial pigment and spinule formation on horizontal cell terminals, are normally associated with continual exposure to light. depending on a variety of factors these processes are generally completed within 30-60 min. in this report we show that a brief exposure to light (1-2 min) preceded and followed by darkness is sufficient to elicit these changes in four species of teleost; the trout (salmo ga ... | 1983 | 6826311 |
| management, nutrition and housing of farmed fish. | to obtain optimum production in fish farming the oxygen level, ph and temperature of the water are important as well as proper feeding. various systems ranging from extensive to intensive are used for holding fish. in the uk salmonid fish are farmed most commonly. the different methods used for farming carp, turbot, eels and shellfish as well as trout and salmon are described. | 1983 | 6829155 |
| tegmental neurons controlling medullary respiratory centre activity in the carp. | the dorsal mesencephalic tegmentum of the carp was explored for respiratory rhythmic neurons. the properties of two types of neurons which could be distinguished on the grounds of their firing pattern and their behaviour during paralysis and electrical stimulation were analysed. one group is involved in the control of a special type of respiration called bout-respiration and besides influences the frequency of the respiratory rhythm. the other group can modulate the output of the motor neurons o ... | 1983 | 6836201 |
| vertebrate skin type i collagen: comparison of bony fishes with lamprey and calf. | 1. characterization of type i collagen alpha chains, alpha 1 and alpha 2, in the skin tissues of carp and common mackerel revealed a marked interspecies difference in cnbr-peptide maps of the alpha 2 chains, suggesting the hypervariability during evolution of the alpha 2 chains relative to the alpha 1 chains. 2. when compared with calf type i collagen, lower vertebrate type i collagens derived from these bony fishes as well as from lamprey were found to exhibit a higher degree of structural simi ... | 1983 | 6839718 |
| regional difference in density of monoamine-accumulating cells of carp and catfish retinas. | by means of a histofluorescence technique, a comparative study was conducted on the regional density of dopaminergic (da) and indoleamine-accumulating (ia) cells in carp (cyprinus carpio) and catfish (ictalurus punctatus) retinas. in order to enhance detection of fluorescent cells, noradrenaline (na; 5.0 micrograms) or a mixture of na (2.5 micrograms) and 5,6-dihydroxytryptamine (5,6-dht; 2.5 micrograms) was intravitreally injected into the eyes 2-3 hr before enucleation. da and ia cells were co ... | 1983 | 6842627 |
| postprandial metabolic changes in larval and juvenile carp (cyprinus carpio). | ammonia-nitrogen excretion and oxygen consumption rates after a meal were followed in carp larvae and juveniles of different sizes, starting from early exogenous feeding and until they had reached about 1 g of body weight. there was an immediate rise in the nitrogen excretion rate after feeding; the amplitude and duration of this increase were affected by body weight (bw) and the amount of nitrogen consumed (ni) and could be described by the equation: 37.61 bw-0.311 ni0.802. endogenous nitrogen ... | 1983 | 6844717 |
| respiratory responses to stimulation of branchial vagus nerve ganglia of a teleost fish. | the effects of electrical stimulation of epibranchial vagus ganglia upon respiration of the carp were investigated. single shocks evoked fast twitch responses in a number of respiratory muscles with latencies around 18 msec to the beginning and 30-35 msec to the peak of activity. shocks given during abduction decreased the respiratory cycle duration by shortening abduction and accelerating adduction. stimuli given throughout most of adduction also shortened the respiratory cycle, accelerating th ... | 1983 | 6844758 |
| [growth and feed consumption of carp (cyprinus carpio l.) with different protein and energy supply. 1. experimental design, ration composition, digestibility]. | 1983 | 6845893 | |
| [growth and feed consumption of carp (cyprinus carpio l.) with different protein and energy supply. 2. weight gain, feed conversion, protein and energy consumption]. | 1983 | 6845894 | |
| synaptic organization of the indoleamine-accumulating neurons in the cyprinid retina. | the distribution and synaptic connections of the indoleamine-accumulating neurons in the retinae of the goldfish and carp were studied by means of fluorescence and electron microscopy. the indoleamine-accumulating neurons were visualized after intravitreal injection and uptake of the indoleamine 5,6-dihydroxytryptamine. this labeling procedure produced a characteristic yellow fluorescence of the indoleamine-accumulating neurons and also characteristic ultrastructural changes in these cells. to a ... | 1983 | 6850750 |
| magnetic and spectral properties of carp carbonmonoxyhemoglobin. competitive effects of chloride ions and inositol hexakisphosphate. | we have extended our studies on the magnetic properties of carp carbonmonoxyhemoglobin and the dependence of these properties upon solution variables. using an improved version of the superconducting magnetometer, we have found that the magnetic susceptibility of carp carbonmonoxyhemoglobin is sensitive to both inositol hexakisphosphate and chloride ion. the dependence upon chloride ion concentration is complex. at relatively low concentrations this anion reverses the effect of inositol hexakisp ... | 1983 | 6852007 |
| quaternary structure and spin equilibria in ferric hemoglobins. a room temperature study. | the effective magnetic moments for a number of human and carp methemoglobin derivatives were determined in solution at room temperature. the data permit us to confirm the dependence of the spin-state equilibrium of azide methemoglobin on the quarternary state of the hemoglobin and to demonstrate a similar dependence for both human and carp aquomethemoglobin. in addition, the ph dependence of the effective magnetic moment and the soret spectrum of carp azidemethemoglobin are compared. | 1983 | 6852055 |
| ionic mechanisms underlying the responses of off-center bipolar cells in the carp retina. i. studies on responses evoked by light. | off-center bipolar cells show hyperpolarizing responses to spot illumination in the receptive field center and depolarization responses to an annulus in the surround. to understand the ionic mechanisms underlying these responses, we examined the current-voltage relationship of these bipolar cells, input resistance changes during their light-evoked responses, and the reversal potentials of these responses. off-center bipolar cells generally showed inward rectification when they were hyperpolarize ... | 1983 | 6854267 |
| ionic mechanisms underlying the responses of off-center bipolar cells in the carp retina. ii. studies on responses evoked by transretinal current stimulation. | transretinal current pulses flowing from the receptor side to the vitreous side of the retina cause transient release of transmitter from the photoreceptor terminals, and in off-center bipolar cells they evoke transient depolarizations with a brief (less than 1 ms) synaptic delay. since it is known that the presence of na+ in the external medium is not essential for this type of transmitter release, we used this procedure to examine the role of [na+]o in the generation of light-evoked responses ... | 1983 | 6854268 |
| immunocytochemical identification of the prolactin-secreting cells in the teleost pituitary with an antiserum to chum salmon prolactin. | an antiserum raised to highly purified chum salmon (oncorhynchus keta) prolactin (sprl) was used to identify prolactin-producing cells in the adenohypophysis of 15 species of teleosts by the immunocytochemical peroxidase-antiperoxidase method. in the chum salmon, the only pituitary cells that reacted with sprl antibody were the prl cells organized as follicular structures in the rostral pars distalis. when the antiserum was absorbed with sprl, on the other hand, no immunoreactive cell was observ ... | 1983 | 6862175 |
| [studies on metabolism of mercury compounds in mouse, rat and carp--with special reference to biological half lives and distribution of mercury compounds in whole body and in individual organs]. | 1983 | 6865087 | |
| [effect of calcium binding on the quenching time of self-fluorescence of ca-binding proteins]. | lifetimes of phenylalanine, tyrosine and tryptophan self-fluorescence of three ca2+-binding proteins (parvalbumins pi 4.47 and 3.95 and bovine alpha-lactalbumin) in the ca2+-saturated state and without ca2+ were measured on a device functioning in a channel of synchrotron radiation of the lebedev physical institute electron accelerator c-60 with a single photon counting system. the decay curve of phenylalanine fluorescence of ca2+-saturated parvalbumin pi 4.47 is two-exponential, which results f ... | 1983 | 6871261 |
| new aspects on the 'rodlet cell' in teleosts. | the enigmatic rodlet cells, hitherto interpreted mainly as unidentified parasitic stages ('rhabdospora thélohani') or as a sort of secretory cell, have been studied with electron microscopical and histochemical methods in three teleost species (cyprinus carpio l., tinca tinca l., salmo gairdneri rich.). the typical inclusions, the rodlets, consist of a dense core and a less dense cortex, with a coarse flocculent outer zone. the latter shows a positive reaction for neutral polysaccharides respect ... | 1983 | 6876223 |
| evolution of low molecular weight immunoglobulins--iii. the immunoglobulin of chicken bile--not an iga. | studies on comparison of antigenic relationships between the immunoglobulin of chicken bile--the so-called chicken iga--and human, porcine, as well as murine iga were performed by a series of double-antibody and solid-phase ria systems using h chain-specific anti-chicken biliary ig sera and alpha chain-specific anti-human iga sera produced in rabbits and in carp. it was not possible to demonstrate a significant immunological cross-reactivity of the ig of chicken bile to the ig's of iga class. be ... | 1983 | 6877244 |
| [morphohistochemical studies of the carp intestines in bothriocephaliasis]. | morphohistochemical study of host-parasite relationships after the infection of carp with bothriocephalus opsariichthydis was conducted. it has been found out that the whole parasite's strobile comes into close contact with tissues of the mucous membrane of the carp's gut. the destruction of the gut's wall results from its digestion or lysis that is confirmed by high activity of acid phosphatase. together with epithelium of the mucous membrane of the gut exodermis of the helminth takes an active ... | 1983 | 6877860 |
| effect of acclimation temperature on oxygen transport in the blood of the carp, cyprinus carpio. | the temperature dependence of the o2 equilibrium in whole blood was measured in carp acclimated for more than 3 weeks at 10 degrees c or 20 degrees c water temperature. o2 combining curves were obtained for the same samples at 10 degrees c or 20 degrees c using blood from the 10 degrees c or 20 degrees c acclimated fish (group a) or only at the acclimation temperature (group b). whereas in group b the p50 was about the same at both temperatures, in group a p50 was higher at 20 degrees c than at ... | 1983 | 6878907 |
| sunburn lesions in koi carp. | 1983 | 6879972 | |
| connections between photoreceptors and horseradish peroxidase-injected bipolar cells in the carp retina. | we describe two physiologically and morphologically distinct types of on-center bipolar cell in the carp retina. these cells can be distinguished from one another in the following respects: (1) "type i" cells respond to moderate light intensities with a transient depolarization followed by a plateau, while the response of "type ii" cells is approximately rectangular in shape; (2) latency of type ii cell responses is shorter than that of type i cell responses; (3) mean diameter of type ii cell de ... | 1983 | 6880034 |
| double color-opponent receptive fields of carp bipolar cells. | bipolar cells with double color-opponent receptive fields were found in the carp retina. they were classified into two types depending on their response polarity. in the receptive field center, type i cells showed hyperpolarization to a long wavelength spot (r-) and depolarization to a short wavelength spot (g+), while in the surround they showed r+, g- responses. type ii cells showed responses of opposite polarities to those of type i cells, namely r + g- in the center, and r - g+ in the surrou ... | 1983 | 6880036 |
| discrete nonlinear reduction model for horizontal cell response in the carp retina. | in this paper we present a new model for the spatial behavior of the external horizontal cells in the carp retina which elucidates more precisely the mechanisms of their intercellular connections. the area and intensity effects of a brief light stimulus on the l-type response were recorded and analysed. we discovered clear nonlinearities in the behavior of the response which could not be explained by the simple summative model presently accepted. proposed here is a new model, the spatial reducti ... | 1983 | 6880039 |
| 5-hydroxytryptamine: its facilitative action on [3h]dopamine release from the retina. | 5-hydroxytryptamine (5-ht) at 5 x 10(-4) m caused a two-fold increase in [3h]dopamine (da) release from retinal particulate fractions of the carp (cyprinus carpio). the 5-ht action was dose- and ca2+-dependent. the three 5-ht agonists examined (5-methoxytryptamine, 5-methoxy-n,n-dimethyltryptamine and tryptamine) were more effective than 5-ht on [3h]da release. 5,6-dihydroxytryptamine was the strongest competitor among drugs tested for [3h ]da uptake, but did not evoke any significant release of ... | 1983 | 6880041 |
| the biotransformation of three 14c-labelled phenolic compounds in twelve species of freshwater fish. | 1. the urinary and biliary excretion of 14c-labelled m-cresol, 1-naphthol and o-chlorophenol were investigated in 12 species of freshwater fish (bitterling, rhodeus sericeus amarus; bream, abramis brama; crucian carp, carassius carassius; goldfish, carassius auratus; gudgeon, gobio gobio; guppy, poecilia reticulata; minnow, phoximus phoximus; perch, perca fluviatilis; roach, rutilus rutilus; rudd, scardinius erythropthalmus; three-spined stickleback, gasterosteus aculeatus; tench, tinca tinca) w ... | 1983 | 6880238 |
| characterization of the active site, substrate specificity and kinetic properties of acetyl-coa:arylamine n-acetyltransferase from pigeon liver. | it could be demonstrated that a sulfhydryl group is involved in the catalysis of acetyl-coa:arylamine n-acetyltransferase from pigeon liver (ec 2.3.1.5). from ping-pong kinetics it was concluded that there is a covalent acetyl-enzyme intermediate. the respective intermediate could be isolated and chemically characterized as a cysteinyl thioester. electrophoretically homogeneous acetyl-coa:acylamine n-acetyltransferase from pigeon liver was able to acetylate a broad variety of aromatic and alipha ... | 1983 | 6882770 |
| molecular mechanisms of odor sensing. vi. some biochemical characteristics of a possible receptor for amino acids from the olfactory epithelium of the skate dasyatis pastinaca and carp cyprinus carpio. | the 25 000 x g pellet of skate and carp olfactory tissue was found to contain structures with high affinity for amino acids (kd approximately 10(-10) m). results from competition experiments suggest that a multiplicity of types of olfactory binding sites exists in the skate and carp. some parameters of a possible receptor for amino acids were evaluated. the isoelectric point of these sites solubilized with triton x-100 was 5.35 and the molecular weight was about 120 000-150 000. | 1983 | 6882801 |
| bioaccumulation of 95mtc in fish and snails. | concentration factors for technetium recommended in radiological assessment models for freshwater biota are default values based on the behavior of iodine in the environment. in this study a small experimental freshwater pond was spiked with 95mtc to obtain data for calculating concentration factors for fish and snails. a model using the pond data was developed to calculate steady-state body burdens for freshwater biota. the concentration factors based on the calculated body burden for carp (cap ... | 1982 | 6896045 |
| non-immunological recognition and killing of xenogeneic cells by macrophages. iii. destruction of fish cells by murine macrophages. | non-immune non-activated murine peritoneal macrophage killed in vitro fish (cyprinus carpio) pha-induced lymphoblasts. addition of pha and wga to effector-target cell cultures did not potentiate the killing. this killing (xenolysis) was expressed by non-elicited and thioglycollate-elicited macrophages as well as by macrophages depleted of lymphocytes. it is suggested that mammalian macrophages have a xenolytic potential towards phylogenetically distant species which is analogous to the capacity ... | 1982 | 6897047 |
| variability of the magnetic moment of carbon monoxide hemoglobin from carp. | deionized carp carbon monoxide hemoglobin in distilled water or in bis(2-hydroxyethyl)imino-tris(hydroxymethyl)methane or tris buffer exhibits a slight but significant paramagnetism. this is most clearly demonstrated by the decrease in this paramagnetism that is caused by the addition of inositol hexaphosphate to this protein in the former buffer at ph 6.3-6.4. no such effect is seen when inositol hexaphosphate is added to carp cyanomethemoglobin, demonstrating that the change observed with carb ... | 1980 | 6929497 |
| histochemical evidence for granulosa steroids in follicle maturation in the african catfish, clarias lazera. | the effects of carp pituitary suspension (cps) and 11-desoxycorticosterone-acetate (doca) on 3 beta-hydroxysteroid dehydrogenase (3 beta-hsd) and glucose-6-phosphate dehydrogenase (g6pd) activity in the ovary of clarias lazera are described. strong 3 beta-hsd and g6pd activities are localized in the stroma, of both control and treated fish. a single cps injection stimulates 3 beta-hsd activity in the granulosa of postvitellogenic, maturing and post-ovulatory follicles, but doca has no such effec ... | 1980 | 6932258 |
| synthesis of capped and uncapped methylated oligonucleotides by the virion transcriptase of spring viremia of carp virus, a rhabdovirus. | capped and uncapped methylated oligonucleotides, five and six nucleotides in length, were synthesized in vitro in spring viremia of carp virus transcription reaction mixtures containing atp + ctp, atp + ctp + gtp, or atp + ctp + utp, but not in any other combinations of two or three ribonucleoside triphosphates. the oligonucleotides that have been characterized are consistent with the structures: m7gpppampnpcpnpn, gpppampnpcpnpn, pppampnpcpnpn, and ppampnpcpnpn--i.e., similar to those of the ter ... | 1981 | 6946423 |
| calcium-dependent interaction of s100b, troponin c, and calmodulin with an immobilized phenothiazine. | we have purified the brain-specific protein s100b by affinity-based adsorption chromatography on phenothiazine-sepharose conjugates and studied the interaction of this and other calcium-modulated proteins with the immobilized antipsychotic drug. bovine brain calmodulin, rabbit skeletal muscle troponin c, and bovine brain s100b bind to phenothiazine-sepharose in a calcium-dependent manner. these three proteins competitively inhibit the calcium-dependent binding of 125i-labeled chicken gizzard cal ... | 1981 | 6947252 |
| 5-hydroxytryptamine stimulates [3h]dopamine release from the fish retina. | serotonin (5-hydroxytryptamine, 5-ht; 0.5 micro m and above) stimulated the release of [3h]dopamine ([3h]da) from particulate fractions of the carp (cyprinus carpio) retina. the 5-ht effect was dose- and ca2+-dependent, and was structurally specific. a similar response was not elicited by the other indoles (5,6-dihydroxytryptamine, 5,7-dihydroxytryptamine, 5-hydroxytryptophan, or 5-hydroxyindoleacetic acid) examined. an increase in [3h]da release was elicited by addition of 5-ht agonists (5-meth ... | 1982 | 6953163 |
| [morphodifferentiation of the pharyngeal teeth of the carp, cyprinus carpio linne]. | 1982 | 6957065 | |
| responses of msh and prolactin cells to 5-hydroxytryptophan (5-htp) in amphibians and teleosts. | injection of 5-hydroxytryptophan (5-htp), a precursor of serotonin, induces dispersion of melanin in the amphibians, pleurodeles waltlii (urodela) and xenopus laevis (anura), in the goldfish, carassius auratus, and in the carp, cyprinus carpio. it is accompanied by a dispersion of erythrophore pigments. in the pituitaries of pleurodeles and goldfish, a stimulation of msh cells, characterized by a significant nuclear hypertrophy, is also observed; in carassius, msh cells may become degranulated. ... | 1980 | 6967354 |
| [development of the adrenergic innervation of the atrioventricular valves of certain vertebrates]. | adrenergic innervation of the atrioventricular valves in the carp cyprinus carpo, frog rana temporaria, tortoise emys orbicularis, hens and albino rats has been investigated by histochemical glyoxylic technique. it was shown that the adrenergic innervation of cardiac valves becomes more intense and more complex during progressive evolution of cardio-vascular activity. adrenergic nerves realize the connection between annullus fibrosus, valve, chordal tendineal and papillary muscles. chromaffin ce ... | 1980 | 6967660 |
| partial monosomy of the long arm of chromosome 11 in a severely affected child. | a white female infant affected with deletion of the terminal end of the long arm of chromosome 11 (11q-) is presented. the clinical features--including trigonocephaly, epicanthal folds, coloboma of iris, prominent occiput, dysplastic ears, carp-shaped mouth, micrognathia, pectus excavalum single umbilical artery, anorectal malformation, dysplastic fifth fingers, hypoplastic nails, simian creases, hydronephrotic multicystic kidney, neutropenia, thrombocytopenia, and congenital heart anomalies--ar ... | 1981 | 6971620 |
| the haemolytic plaque assay in carp (cyprinus carpio). | a haemolytic plaque assay for the enumeration of antibody forming cells in the carp (cyprinus carpio) is described. serum of bream (abramis brama) turned out to be a more reliable complement source than allogeneic carp serum. the addition of 3--5% bream serum to a mixture of immune lymphoid carp cells and xenogeneic erythrocytes gave optimal results. higher amounts of bream complement inhibited plaque formation. plaque formation was also suppressed when inactive or heat-inactivated bream or carp ... | 1980 | 6987315 |
| [examination of some strains of the aeromonas hydrophila-punctata-group isolated from carp by resistance tests (author's transl)]. | 1980 | 6993174 | |
| cloning of carp preproinsulin cdna in the bacterial plasmid pbr322. | the successful cloning of recombinants between cdna from fractionated poly(a)+-rna of brockmann bodies of the carp and the plasmid pbr322 in escherichia coli chi 1776 is reported. one of the recombinant clones has been identified as a preproinsulin-cdna recombinant by the hybrid-arrest translation assay. recombination was at the psti site of pbr322; reconstitution of this site was by 3'-tailing of the vector with dgn. the transformants were screened by in situ hybridization with kinase-labeled p ... | 1980 | 6993287 |
| biosynthesis of proinsulin of carp (cyprinus carpio) and characterization and cloning of mrna. | 1980 | 6994550 | |
| the immune system of cyprinid fish. kinetics and temperature dependence of antibody-producing cells in carp (cyprinus carpio). | after immunization of carp with sheep red blood cells, the spleen accounts for only 5% of the total number of plaque-forming cells (pfc). in addition, thymus, peripheral blood and heart contained low numbers of pfc (< 0.5, 1 and 0.5%, respectively). pronephros and mesonephros were the major antibody-forming organs (53 and 40% of total pfc, respectively). the temperature dependence of the antibody-forming cell response in spleen, pronephros and mesonephros as studied in animals kept at 12-24 degr ... | 1980 | 7000695 |
| [recent developments in the concept of essential fatty acids in fish]. | in fish, essential acids belong to the n-3 series. in trout, carp and salmon a dietary supply of 0.7 to 1% linolenate allows to prevent any symptoms of deficiency and ensures a normal growth. this is not the case for see fish such as daurade and turbot, where a supply of a similar proportion of n-3 high polyunsaturated fatty acids (hpufa) appears to be necessary. however, recent experiments show that this requirement for hpufa is not specific, since they can be replaced by linolenate in the turb ... | 1980 | 7001983 |
| studies on mechanism of action of luteinizing releasing hormone (lh-rh) in ovulation of fish--intracellular distribution of lh-rh-a in pituitary gonadotrophs as revealed by electron-microscopic autoradiography. | the results of competitive bending experiment and the electron-microscopic autoradiographic studies show that the peptide hormone, lh-rh-a (a nonapeptide), could be internalized into the gonadotrophs of the pituitary gland of the mud-carp (cirrhrinus molitorella). it is demonstrated that the labeled peptide, 125i-lh-rh-a, is internalized not only into the cytoplasm, but also into the nucleus, apparently via the nuclear pores. it is, therefore, suggested that the peptide hormone might act directl ... | 1981 | 7020078 |
| regulation of insulin biosynthesis in carp islets (cyprinus carpio). | the biosynthesis of proinsulin was measured by the incorporation of radiolabelled leucine and phenylalanine into carp islet protein. even in the absence of glucose or amino acids in the medium the share of proinsulin in the total protein biosynthesis amounted to 40% of the total incorporated [3h]-leucine during 2 h of incubation. glucose increased the rate of total protein biosynthesis in carp islets by approximately 20%, but no preferential increase of proinsulin synthesis occurred in the prese ... | 1981 | 7020309 |
| the ramification pattern of amacrine cells within the inner plexiform layer of the carp retina. | the morphology of amacrine cells in the retina of the carp is described using the golgi technique. the ramification pattern of these cells was analyzed in flat-mounts of retinas, based on these observations classification into five groups was made. cells possessing one principal process leaving the soma were subdivided into starburst a-neurons and radiate neurons. cells having two or more principal processes were subdivided into starburst b-neutrons and spindle-shaped soma neurons. small, diffus ... | 1981 | 7028273 |
| carp insulin: amino acid sequence, biological activity and structural properties. | the amino acid sequence of insulin of carp (cyprinus carpio) has been determined and correlated with its biological activity in a fat-cell test and its structural properties as measured by circular dichroism and sedimentation analysis. the amino acid sequence of carp insulin displays some unusual features: the b chain is longer at the n terminus by two residues as compared with mammalian insulins and there are substitutions of the charged residues, found in most insulins at positions b21 and b22 ... | 1982 | 7037403 |
| enzymatic reduction of oxidized alpha-1-proteinase inhibitor restores biological activity. | the major serum inhibitor of proteolytic activity, alpha-1-proteinase inhibitor (alpha-1-pi), (or alpha-1-antitrypsin) can be readily inactivated by oxidation [carp, h. & janoff, a. (1978) am. rev. resp. dis. 118, 617-621]. this inactivation appears to be due to the oxidation of a critical methionine(s) in alpha-1-pi that is required for the inhibition of elastase activity. an enzyme from escherichia coli that reduces methionine sulfoxide residues in protein [brot, n., weissbach, l., werth, j. & ... | 1981 | 7038679 |
| the immune system of cyprinid fish. oxytetracycline and the regulation of humoral immunity in carp (cyprinus carpio). | the antibiotic oxytetracycline (oxytc) was administered either by mixing with food or by intraperitoneal injections. on oxytc treated animals decreased serum immunoglobulin levels were found. the primary anti-sheep red blood cells (srbc) response was measured by enumerating plaque forming cells (pfc). it was observed that the pfc response was depressed by 80-95% in oxytc treated animals. when an anti-srbc serum was injected together with srbc the immunosuppressive effect of oxytc was absent. a s ... | 1981 | 7046213 |
| regulation of the biosynthesis of insulin in isolated brockmann bodies of the carp (cyprinus carpio). | 1982 | 7049828 | |
| optimization and kinetics of in vitro stimulation of carp (cyprinus carpio l.) leukocytes. | the optimization of a leukocyte stimulation microassay with carp (cyprinus carpio l.) leukocytes is described. leukocytes were isolated from the thymus, anterior kidney, spleen, mid-kidney and peripheral blood. leukocyte cultures were stimulated with pha-p, lps (escherichia coli 055: b5) pwm, cona and ppd from mycobacterium fortuitum. the optimum incubation temperature for leukocyte cultures differed 3.5 days for leukocyte cultures derived from lymphoid organs and 4.5 days for peripheral blood l ... | 1982 | 7051523 |
| inhibition of cysteine proteinase activity by z-phe-phe-diazomethane and of aspartic proteinase activity by pepstatin in different organs from some animals and isolated cells from rat liver. | two methods have been developed to discriminate simultaneously between the main part of cysteine proteinase activity (cathepsin l) and all aspartic proteinase activity (mainly cathepsin d) in rat organs, using z-phe-phe-chn2 which at 5 mumol/l completely inhibits cathepsin l from rat liver and, on the other hand, pepstatin which at 0.5 mumol/l completely inhibits cathepsin d. substrates are double-labeled cytosol proteins from rat liver at ph 3.0 or azocasein in 3 mol/l urea at ph 5.0. several o ... | 1982 | 7051705 |
| synthesis of vitellogenin and its uptake by the ovary in the catfish, heteropneustes fossilis (bloch) in response to carp gonadotropin and its subunits. | 1982 | 7060940 | |
| different modes of membrane interactions of the signal sequence of carp preproinsulin and of the insertion sequence of rabbit cytochrome b5. | the signal segment of the secretory protein carp preproinsulin is shown to be bound by a protein receptor present in the rough endoplasmic reticulum membrane. the receptor does not bind the insertion segment of the integral membrane protein cytochrome b5. on the other hand, the insertion sequence, in contrast to the signal sequence, is dissolved into the lipid bilayer of natural and artificial membranes. hydrophobicity or length per se of the two types of peptides cannot be responsible for their ... | 1982 | 7067693 |
| lateral spread of s-potential components in the carp retina. | 1982 | 7067747 | |
| physiological and morphological identification of two types of on-center bipolar cells in the carp retina. | two types of on-center bipolar cells, rod- and cone-dominant bipolars have been identified in the dark-adapted retina of the carp by means of intracellular recordings and lucifer-yellow dye injection. they differ physiologically and morphologically in the following respects: 1) responses of rod-dominant cells to bright lights are characterized by a transient depolarization followed by a smaller sustained depolarization, while those of cone-dominant cells are approximately rectangular; 2) the con ... | 1982 | 7076890 |
| toxic effects of chromic sulphate on the common carp, cyprinus carpio. | the effects of chromic sulphate, which is commonly used in the tanning of leather, on the common carp, cyprinus carpio and the bighead, aristichthys nobilis, were studied. c. carpio was found to be more susceptible than a. nobilis to chromic sulphate at the lowest concentration tested (100 mg/l) whereas results obtained at other concentration were similar for both species. damage to the gills, liver and intestine was observed by histopathological examination. a wide range of chemicals is used in ... | 1982 | 7080089 |
| capillarisation, oxygen diffusion distances and mitochondrial content of carp muscles following acclimation to summer and winter temperatures. | many species of fish show a partial or complete thermal compensation of metabolic rate on acclimation from summer to winter temperatures. in the present study crucian carp (carassius carassius l.) were acclimated for two months to either 2 degrees c or 28 degrees c and the effects of temperature acclimation on mitochondrial content and capillary supply to myotomal muscles determined. mitochondria occupy 31.4% and 14.7% of slow fibre volume in 2 degrees c- and 28 degrees c-acclimated fish, respec ... | 1982 | 7083305 |
| resonance raman studies of the quaternary structural change in carp deoxy hemoglobin. | 1982 | 7084471 | |
| isozyme expression in f1 hybrids between carp and goldfish. | interspecific genetic differences in malate dehydrogenase (mdh), lactate dehydrogenase (ldh), superoxide dismutase (sod), and esterase (est) isozymes in carp (cyprinus carpio) and goldfish (carassius auratus) were used to examine the allelic expressions in the hybrid between these species. a unique liver sod and muscle ldh phenotype unambiguously identifies all presumed hybrid individuals. there was no evidence of f2 or backcross phenotypes in hybrid individuals. liver mdh and est phenotypes in ... | 1982 | 7092795 |
| [protein and energy requirements of growing carp (cyprinus carpio l.). ii. effect of additional fat in rations of various protein and carbohydrate content on growth and body composition]. | 1982 | 7102121 | |
| demonstration of inositol hexaphosphate induced changes in structure at ligand binding sites in carp hemoglobin carbonyl. | 1982 | 7103982 | |
| temperature dependence of the deformability of carp (cyprinus carpio) red blood cells. | 1982 | 7106253 | |
| characterization and distribution of neutral and acidic mucins in the alimentary canal of an indian freshwater major carp, catla catla (hamilton) by histochemical methods. | the distribution and chemical nature of acid and neutral mucins in the various regions of the alimentary canal of catla catla (ham.) have been studied. both acid (sulfated and non-sulfated) and neutral mucins have been found to occur as a mosaic of complex substances in the different mucous cell types (secretory and non-secretory--both mature and immature) in the various regions of the alimentary canal (buccopharynx, oesophagus, intestine, and rectum). acid mucin (both sulfated and non-sulfated) ... | 1982 | 7106537 |
| oxygenation and deoxygenation kinetics of red cells in isolated lamellae of fish gills. | 1. the kinetics of oxygen transfer across the water-blood barrier in fish gills were studied by measuring oxygenation and deoxygenation of single red blood cells contained within isolated secondary lamellae using a microphotometric technique. 2. recordings of the overall time courses show that both oxygenation and deoxygenation are more rapid in the carp than in the eel. in both species the half-time for deoxygenation is about five times slower than for oxygenation. 3. it is shown that the resis ... | 1982 | 7108432 |
| nmr studies on parvalbumin phylogeny and ionic interactions. | the inspection of several muscular parvalbumins from different species by two nmr methods (113cd resonance and 1h relaxation measurements) allows two classes of parvalbumins to be distinguished according to their ion-binding properties. this result is in agreement with the phylogenetic classification of parvalbumins in two series, alpha and beta, which was established on the basis of the primary structures of these proteins. all parvalbumins are characterized by the presence of two primary catio ... | 1982 | 7110122 |
| radioactive deoxyglucose uptake into forelimb muscles in task performing monkeys. | incorporation of [14c]2-deoxy-d-glucose (2-dg) into forelimb muscles of task-performing monkeys was studied. extensor muscles of used forelimbs showed a significant increase in 2-dg uptake; they were ext.dig.2nd and 3rd, ext.dig.com., ext.carp.rad. and ext.carp.uln. on the other hand, flexor muscles in the used forelimb did not show such a significant increase in 2-dg uptake. muscles of non-used limbs, flexors or extensors, did not show a significant 2-dg uptake. | 1982 | 7110627 |
| toxic effects of animal manures and sewage sludge as supplementary feeds for the common carp. cyprinus carpio. | activated sludge, chicken manure and pig manure were tested for their toxic effects as supplementary feeds for the common carp, cyprinus carpio. the acute toxicity test showed that animal manures were more toxic than activated sludge (e.g., 96-h lc50 values for pig manure and chicken manure were 0.55% and 0.29%, respectively, while no effective value was revealed for activated sludge). this may be due to the inadequate processing of the manures which resulted in the release of harmful substances ... | 1982 | 7112604 |
| postprandial level of free amino acids in fish brain. | 1. free amino acids were examined in common carp (cyprinus carpio l.) brain 3, 6, 24 and 72 hr after a meal. 2. in common carp brain glutamic acid (409.6 +/- 37.6 mg/100 g dry matter), threonine (232.8 +/- 24.6) and histidine (191.3 +/- 70.1) were the most abundant free amino acids. 3. the ratios between the brain and the whole blood concentrations (b/w) expressed as the amounts of moles per tissue water were examined. 4. glutamic acid, histidine, threonine, alanine, methionine, serine and glyci ... | 1982 | 7128116 |
| neuronal addition and retinal expansion during growth of the crucian carp eye. | using standard paraffin technique the addition of new cells in crucian carp retinas was examined. between eye diameters 4.4 and 10.0 mm the number of ganglion cells increases from 103,000 to 205,000, inl cells from 1.5 to 3 million, comes from 250,000 to 900,000, and rods from 2 to 9 million. concomitantly retinal area increases fivefold and the cell densities decrease by 37% for the cones, 57% for the inl cells, and 58% for the ganglion cells, while the rod density remains stable. in relation t ... | 1982 | 7130456 |
| dendritic tree structure and dendritic hypertrophy during growth of the crucian carp eye. | the areas of the ganglion cell dendritic trees were determined in golgi-stained, flatmounted retinas of crucian carp ranging in age from one summer to 7 years. the dendritic trees of small ganglion cells (s-gc), forming the majority of retinal ganglion cells, add new branches as the retina grows. the increase in dendritic tree area exactly compensates for the decrease in ganglion cell density during growth of the eye so that the number of dendritic trees covering a particular point remains const ... | 1982 | 7130457 |
| [familial observation of partial trisomy 6, and probable partial monosomy 18q by parental translocation]. | partial trisomy 6q (6q23 leads to qter), resulting from a non-balanced translocation 6/18, was detected in a child and his paternal uncle. features of note in the uncle included micrognathia, scoliosis and mild mental retardation. the child presented a moderate hypertelorism, a flat nose bridge, carp-shaped mouth and minimal cutaneous syndactyly of the 2nd-3rd toes. these clinical signs have also been mentioned in the few cases of partial trisomy 6q described in the literature. in addition, our ... | 1982 | 7130955 |
| studies on hemoglobin intermediates. a new method for studying the reaction of hb4(co)3 with co in human, carp, rabbit and opossum hemoglobin. | 1982 | 7131556 | |
| [synaptic mechanisms of spike train generation by midbrain tectum and olfactory bulb neurons in the carp]. | 1982 | 7144979 | |
| [sarcolemmic membrane of various species: data on its enzymatic characterization and chemical composition]. | a sarcolemmal enriched fraction, f1, was obtained from the skeletal muscle of rabbit (oryctolagus cuniculus l.), hamster (mesocricetus auratus wateth.), chicken (gallus gallus l.), frog (rana ridibunda seoane), young carp (carassius carassius l.) and the marine crab (carcinus maenas l.). in this fraction, 5'-nucleotidase and na+ + k+-atpase (as membrane markers) showed higher specific activities than in the three other fractions separated after centrifugation in a discontinuous sucrose gradient; ... | 1982 | 7146587 |
| comparative studies on the sensitivity of different fish species to metal pollution. | the effects of 10 ppm cuso4, zncl2 on the blood glucose level and serum ldh, got, gpt activities of three fish species (carp, silver carp, european wels) were measured. cuso4 increased the blood glucose level, ldh, got and gpt activities in the three species in the following order: silver carp greater than carp greater than european wels. zncl2 did not alter the same levels. our results showed that cuso4, and presumably several anthropogenic agents, damaged the different fish species specificall ... | 1982 | 7148260 |
| detection and localization of alkaline and acid phosphatases in the digestive system of the adult catla catla (hamilton), an indian freshwater major carp by histochemical methods. | the localization and distribution of alkaline phosphatase (alpase) and acid phosphatase (acpase) in the various regions of the alimentary canal viz., buccopharynx, oesophagus, intestine, rectum and hepatopancreas of adult catla catla have been studied by employing various histochemical techniques. alpase activity was recorded in the various regions of the alimentary canal in the present study although its intensity of localization and distribution varies greatly. the highest alpase activity was ... | 1982 | 7152228 |
| sphaerospora renicola n.sp., a myxosporean from carp kidney, and its pathogenicity. | sphaerospora renicola n.sp. is a common parasite of carp in czechoslovakia. its life cycle involves intracellular stages in the epithelial cells of renal tubuli and trophozoite stages proliferating in the tubular lumen, transforming ultimately into pansporoblasts, each having one pansporoblast nucleus and producing two spores. the spores are almost globular with an average size of 7.3 x 7.2 microns, with polar capsules of equal size, and may have two slightly protruding tubercles on their shell ... | 1982 | 7157939 |