Publications

TitleAbstractYear(sorted ascending)
Filter
PMID
Filter
cytochrome-producing anaerobic vibrio succinogenes, sp. n. 196113786398
electron-transport system of vibrio succinogenes. i. enzymes and cytochromes of electron-transport system. 196313964322
electron-transport system of vibrio succinogenes. ii. inhibition of electron transport by 2-heptyl-4-hydroxyquinoline n-oxide. 196313964323
studies on the acetylcholine-stimulated incorporation of radioactive inorganic orthophosphate into the phospholipid of brain particulate preparations. ii. subcellular distribution of enzymic activity. 19664288042
lysis of vibrio succinogenes by ethylenediamine-tetraacetic acid or lysozyme.wolin, m. j. (university of illinois, urbana). lysis of vibrio succinogenes by ethylenediaminetetraacetic acid or lysozyme. j. bacteriol. 91:1781-1786. 1966.-cell suspensions of vibrio succinogenes are lysed by ethylenediaminetetraacetic acid (edta) or lysozyme. lysis occurs at alkaline ph and is prevented by 0.15 m nacl or kcl or 0.3 m sucrose. the addition of 10(-3)m mg(++), 10(-3)m spermine, or 10(-2)m ca(++) prevents lysozyme lysis, and 10(-4)m spermine prevents edta lysis. edta lysis leads ...19664957020
solubilization and reconstitution of a particulate hydrogenase from vibrio succinogenes. 19664958911
[the modifications of the thymus in the course of experimental tuberculosis in the mouse]. 19684968741
[hemoglobin of the african newborn infant. results of an investigation in senegal]. 19684894442
pituitary and hypothalamic endocrine changes associated with reproductive development of holstein bulls. 19684908666
chemical constituents and hydrogenase binding in cell envelopes of vibrio succinogenes.the particulate hydrogenase of vibrio succinogenes is solubilized during treatment of cell envelopes at ph 11.0. alkali-solubilized enzyme requires sulfhydryl compounds for activity. at neutral ph, soluble enzyme is reincorporated into alkalitreated cell envelopes and no longer requires an additional activator. in the present study, cell envelopes prepared by lysing cells with ethylenediaminetetraacetic acid plus lysozyme (edta-lysozyme) were used to determine the chemical composition of cell en ...19694976463
hydrogenase measurement with photochemically reduced methyl viologen.methyl viologen was reduced photochemically in the presence of proflavine and ethylenediaminetetraacetic acid. the reduced methyl viologen was oxidized by hydrogenase from vibrio succinogenes. h(2) and oxidized methyl viologen were the products. hydrogenase activity was determined by spectrophotometric measurement of the disappearance of reduced methyl viologen at 600 nm. the extinction coefficient of reduced methyl viologen was determined and is 8.25 mm(-1) x cm(-1) at 600 nm. optimal condition ...19695781586
the patient history: an outline for collection. 1969249902
steroid diabetes in the guinea pig. studies on islet-cell ultrastructure and regeneration. 19704908764
characterization of the late steps of microbial heme synthesis: conversion of coproporphyrinogen to protoporphyrin.cell-free extracts of various cytochrome-containing, heterotrophic microorganisms were examined for ability to convert coproporphyrinogen to protoporphyrin. extracts of escherichia coli and pseudomonas denitrificans readily accumulated large amounts of protoporphyrin when assayed under aerobic conditions. however, protoporphyrin did not accumulate under either aerobic or anaerobic conditions of assay or in the presence of various supplements in extracts of the aerobe micrococcus lysodeikticus, t ...19714935319
relationship between phosphates and alkaline phosphatase of anabaena flos-aquae in continuous culture. 19715001948
[experiences with virostatic therapy of herpetic keratitis]. 19714324844
ontogeny of adrenal function in fetal and neonatal rhesus monkeys: in vitro corticosteroidogenesis. 19714325212
influence of prostaglandins on autonomic responses. 19714330893
coupling of glycosaminoglycans to agarose beads (sepharose 4b).1. heparin, heparan sulphate, chondroitin sulphate and dermatan sulphate were covalently attached to beads of agarose activated by cyanogen bromide. the bond is probably mediated by the amino group of a serine or peptide residue at the reducing end of the polysaccharide chain. 2. the uptake of glycosaminoglycan during the coupling procedure is about 0.9mg/ml of wet gel. however, direct analysis of washed and freeze-dried gels reveals that only about one-third of this amount is firmly attached to ...19714257093
ampicillin compared with penicillin and chloramphenicol combined in the treatment of bacterial meningitis. 19724149029
requirement of succinate for the growth of vibrio succinogenes.vibrio succinogenes required relatively small amounts of succinate for growth when formate plus nitrate was supplied as the energy source. the requirement for succinate was not apparent when formate plus fumarate was the energy source because fumarate is reduced to succinate. l-asparagine, fumarate, and malate replaced succinate, and it appears likely that they do so by being converted to succinate. formate plus l-aspartate or l-asparagine served as energy sources for growth. the stoichiometry o ...19725058443
[gamma glutamyl carboxypeptidase from chicken pancreas]. 19725073874
relationship between antihistamine and antidepressant activity in hexahydroindenopyridines. 19724402485
the effect of lactation on the absorption of 203 pb and 47 ca in rats. 19724674564
preliminary data on the possible hypnogenic role of adenosine. 19734723335
repressor and rex product of coliphage lambda: lack of collaboration and joint controls. 19734725965
[determination of antibodies in hyperergic measles encephalitis]. 19734731035
a simplified digital method for predicting anesthetic uptake and distribution. 19734777734
distribution of tyrosine alpha-ketoglutarate transaminase activity in kupffer cell and whole liver fractions of rat liver. 19734149538
regulation of rat liver beta-hydroxy-beta-methylglutaryl-coa reductase activity by cholesterol. 19734202331
the chemical composition and ultrastructure of the cell wall of scenedesmus obliquus. ii. amino acids, proteins and antigens. 19734206341
glucose fermentation products in ruminococcus albus grown in continuous culture with vibrio succinogenes: changes caused by interspecies transfer of h 2 .the influence of a h(2)-utilizing organism, vibrio succinogenes, on the fermentation of limiting amounts of glucose by a carbohydrate-fermenting, h(2)-producing organism, ruminococcus albus, was studied in continuous cultures. growth of v. succinogenes depended on the production of h(2) from glucose by r. albus. v. succinogenes used the h(2) produced by r. albus to obtain energy for growth by reducing fumarate in the medium. fumarate was not metabolized by r. albus alone. the only products detec ...19734351387
ftc-insulin conjugates. i. preparation of fluorescein thiocarbamyl-insulin conjugates. 19734579445
[xenogeneic kidney transplantation in closely related species (fox-dog) (author's transl)]. 19734584964
[toxic properties of the blood serum of cattle leukemia]. 19734585668
transformation of bacillus subtilis in alpha-amylase productivity by deoxyribonucleic acid from b. subtilis var. amylosacchariticus.deoxyribonucleic acid (dna) of bacillus subtilis var. amylosacchariticus showed almost the same ability as b. subtilis marburg to induce transfer of several genetic markers in dna-mediated transformation. dna-dna hybridization data also showed an intimate relationship between the two strains. genetic elements involved in the production of extracellular alpha-amylase (ec 3.2.1.1.) in b. subtilis var. amylosacchariticus were studied by using dna-mediated transformation. two marburg derivatives, na ...19744215793
[leptotrichia buccalis--culture, biochemistry and antibiotics]. 19744154653
sensitization and centre-surround antagonism in necturus retina.1. the impulse discharge of ganglion cells and the proximal negative response were recorded with extracellular micro-electrodes in necturus retina and spatial influences of background illumination studied.2. when a steady background of constant illuminance was extended in diameter from 0.25 to 1 mm, the response to a small concentrically placed test flash was enhanced (sensitization).3. this sensitization was tonic, showed marked spatial summation, was also found by surrounding a central backgro ...19744822576
l-asparaginase production by the rumen anaerobe vibrio succinogenes.the rumen anaerobe vibrio succinogenes possesses a constitutive l-asparaginase. the amount of enzyme produced is affected by the compound supplied to the organism to generate the fumaric acid it requires as a terminal electron acceptor. when nitrate is provided as the terminal electron acceptor, the amount of enzyme produced is affected by the compound provided to satisfy the nutritional requirement of the organism for succinic acid. specific activities of up to 8.4 iu/mg of protein in cell-free ...19744855647
[development of the adrenal glands of the mouse. i. prenatal development (author's transl)]. 19744409165
[development of the adrenal glands of the mouse. i. prenatal development (author's transl)]. 19744409165
[proceedings: perinatal tumor induction using ethyl nitroso-urea: a contribution on the question of organotropism of alkylating resorptive careinogens in various mouse strains]. 19744460558
proceedings: the electron transport-coupled phosphorylation of the anaerobe vibrio succinogenes. 19744461538
differential susceptibility to amphotericin b of 3t3 cells transformed by sv40 or polyoma. 1975169082
comparative antihypertensive effects and tissue distribution of beta adrenergic blocking drugs.the precise mechanism of the antihypertensive action of beta adrenergic blocking drugs is not known. both peripheral and central sites of action have been proposed. the comparative antihypertensive actions and tissue distribution of propranolol, pindolol and sotalol were investigated in both normotensive sprague-dawley and spontaneously hypertensive rats. from recordings of concurrent changes in blood pressure and heart rate it was observed that oral or subcutaneous administrations of both propr ...19751151751
femoral percutaneous catheterization in infants and small children for cerebral angiography.an improved technique of selective cerebral angiography for infants and small chicken is described. the needle is inserted approximately 45 degrees to the skin in order to avoid subintimal placement of the tip. after good backflow is established, the guidewire is advanced to a position in the descending aorta. a no. 3 polyethylene catheter and 21-gauge scalp vein needle were most successful.19751153751
osteomyelitis in infants and children. a review of 163 cases.one hundred sixty-three cases of osteomyelitis in infants and children were seen at our hospital during the past 15 years. there were twice as many boys as girls. staphylococcus aureus was the major etiologic agent, being identified in 61% of the cases. gram-negative bacteria were responsible for only 14 cases (9%). the femur, the tibia, or the humerus were affected in 103 of the 152 patients with single bone involvement. ostoemyelitis of more than one bone was seen in 11 cases (7%). associated ...19751190158
the effect of iodine deficiency on thyroid function in the infant rat.we have studied rats born to severely iodine-deficient mothers and subsequently maintained on a low-iodine diet (lid) from birth to 41 days. they were compared with controls born to mothers fed a high-iodine diet (hid). lid babies from birth on had large goiters, high thyroid labeled mit/dit ratios and radioiodine uptakes, high plasma tsh and low plasma t4 in comparison to hid controls. thyroid labeled t3/t4 ratios were low in all babies at birth but were higher in the lid than hid babies from d ...19751196133
synchronization of the fission yeast schizosaccharomyces pombe using heat shocks. 19751196141
the intercellular content of the three transcobalamins at various stages of normal and leukaemic myleoid cell development.a study of the three serum transcobalamins (tc) in myeloproliferative disorders and acute leukaemia has suggested a granulocyte origin for the three binders; the later stages of this cell line might be releasing 'tc i' and 'tc iii' while 'tc ii' which is increased in sera from patients with acute myelogenous leukaemia, probably originates at least in part from myeloblasts. the intracellular content of each tc has been studied in normal and leukaemic bone marrow cells after separation on a discon ...19751201243
improved growth media for vibrio succinogenes.five new culture media for vibrio succinogenes are described. of these, a medium composed of 0.4% yeast extract, 100 mm ammonium formate, 120 mm sodium fumarate, and 0.05% sodium thioglycolate, ph 7.3, supports the best growth.1975234152
binding of digitoxin to human serum proteins: influence of ph on the binding of digitoxin to human albumin. 1975238355
clinical isolates of anaerobic gram-negative rods with a formate-fumarate energy metabolism: bacteroides corrodens, vibrio succionogenes, and unidentified strains.strains of anaerobic, gram-negative bacteria, isolated from human clinical specimens and from studies of human normal flora, that have energy metabolism similar to vibrio succinogenes are described. included are four human isolates of v. succinogenes, five similar strains of motile straight rods, three strains of bacteroides corrodens, and two unidentified strains. all strains studied grew poorly in usual anaerobic broth media but produced good turbidity in overnight broth cultures in media cont ...1976770499
hydrogen-dependent organisms from the human gingival crevice resembling vibrio succinogenes.twenty-eight strains of microaerophilic, motile, slightly curved gram-negative rods isolated from the gingival crevice of patients with gingivitis were studied. they seemed similar to vibrio sputorum, though eleven strains differed in minor characters from bergey's description under the new name campylobacter sputorum, subspecies sputorum. the oral strains studied appeared to be closely related to several species of the genus campylobacter and to vibrio succinogenes. the oral strains were able t ...1976821391
ability of insulin to increase calcium binding by adipocyte plasma membranes.calcium specifically binds to adipocyte plasma membranes, demonstrating two classes of binding sites having affinity constants of 4.5 x 10(4) m-1 and 2.0 x 10(3) m-1. insulin (100 microunits/ml) added directly to the isolated plasma membranes caused no alteration in calcium binding, whereas incubation of the adipocytes with 100 microunits/ml of insulin resulted in a 2.50 +/- 1.6% increase in calcium binding to the subsequently isolated plasma membranes. the increase in calcium binding produced b ...19761064022
attenuated, streptomycin-dependent salmonella typhi oral vaccine: potential deleterious effects of lyophilization.four studies were done with streptomycin-dependent salmonella typhi as an oral, attenuated vaccine. studies 1 and 3 employed freshly harvested vaccine, whereas studies 2 and 4 involved lyophilized vaccine. five to eight doses (3 x 10(10)-10(11) organisms/dose) were given; oral streptomycin (1.0 g) was administered concomitantly in studies 2 and 3, with only two of the doses of vaccine in study 1, and was not given in study 4. no adverse reactions were encountered in 179 vaccinated men, and 94% o ...19761262709
[methods of studying the electrical activity of the stomach and duodenum]. 19761272972
water-soluble specific growth hormone binding sites from cultured human lymphocytes: preparation and partial characterization.cultured human lymphocytes (im-9 cell line) have specific binding sites or receptors for human growth hormone (hgh). under appropriate conditions, this specific binding material is spontaneously released into the incubation medium and is solubilized without the use of detergents. this water-soluble preparation binds [125i]iodo-hgh with the same specifictiy as receptors on the intact cell. unlabeled hgh, but not porcine growth hormone or insulin, competes with labeled hgh for binding to the solub ...1976179794
purification and characterization of l-asparaginase with anti-lymphoma activity from vibrio succinogenes.homogeneols l-asparaginase with anti-lymphoma activity was prepared from vibrio succinogenes, an anaerobic bacterium from the bovine rumen. an overall yield of pure l-asparaginase of 40 to 45% and a specific activity of 200 +/- 2 iu per mg of protein was obtained. the pure enzyme can be stored at -20 degrees for at least 3 months with no loss of activity. the isoelectric point of the l-asparaginase is 8.74. no carbohydrate, phosphorus, tryptophan, disulfide, or sulfhydryl groups were detected. t ...197611211
the covalently bound flavin of vibrio succinogenes succinate dehydrogenase. 197714028
[sympathetic vascular tonus in beta blockade]. 1977207039
the production of a lymphocyte inhibitory factor (lyif) by bursal and thymic lymphocytes.in this study the migration and migration inhibition of different lymphoid cell populations from immunized and control birds were evaluated. bursal, thymic, and splenic cells migrated in a capillary tube with thymic cells forming the characteristic cone of cells within 4 hours of culture. both thymic and bursal cell populations from birds sensitized by mycobacterium tuberculosis produced a lymphocyte inhibitory factor (lyif) when stimulated by specific antigen in vitro. the ability of bursal cel ...1977303455
mechanism of sensitivity of cultured pancreatic carcinoma to asparaginase.the effects of e. coli l-asparaginase on cultured human pancreatic carcinoma (mia paca-2) have been studied. the enzyme (1 u/ml) inhibited growth and protein synthesis in both mia paca-2 and panc-1, another pancreatic carcinoma cell line, but had little or no effect on human breast carcinoma or melanoma cells. the inhibition of protein synthesis by e. coli l-asparaginase was largely reversed by l-glutamine but not by l-asparagine. the growth of both mia paca-2 and panc-1 showed absolute dependen ...1978363626
effect of medium composition on the growth and asparaginase production of vibrio succinogenes.asparaginase synthesis by vibrio succinogenes is induced by ammonium ions. synthesis occurs throughout exponential phase, and in early stationary phase asparaginase accounts for about 5% of the total soluble protein. the organism grows best when fumarate is provided as the terminal electron acceptor of the formate-oxidizing cytochrome system. yeast extract or enzyme-hydrolyzed proteins are effective nutrient sources. in an ammonium formate-sodium fumarate medium, where maximum growth and asparag ...1978697359
[study of the diffusion of water absorbed on proteins by the esr methods using a new magnetic field impulse gradient program].modification of the program of impulse gradient removing anomalous suppression of the echo at small time intervals between gradient impulses is presented. the results are given of measuring the diffusion of water adsorbed on bovine serum albumin. an efficient diffusion coefficient for 20 degrees c is evaluated as 2.4.10(-6) cm2 sec at the activation energy in the temperature range 5 divided by 40 degrees c for 0.42 g h2o/g of protein and 20 divided by 50 degrees c for 0.22 g h2o/g of protein equ ...1978212113
resonance raman spectroscopy of chlorophyll-protein complexes.resonance raman spectra of chlorophyll a (chl a) and of chl b were selectively obtained, at low temperature, from chlorophyll-protein complexes prepared from green and blue-green algae and from higher plants. antenna chl a in the chl a-p700-protein complexes (cp i) and in the light-harvesting chl a/b-protein complexes (cp ii gives resonance raman spectra extremely close in all their features to those previously obtained from intact cells and chloroplasts. in particular, the same multiplicity of ...1978110567
electron transport phosphorylation coupled to fumarate reduction by h2- and mg2+-dependent adenosine triphosphatase activity in extracts of the rumen anaerobe vibrio succinogenes.vibrio succinogenes, an anaerobic bacterium, obtains its energy for growth from h2 or formate oxidation coupled to the reduction of fumarate to succinate. membrane preparations have been obtained from this organism that catalyze the synthesis of atp during h2 oxidation coupled to fumarate reduction. esterification of orthophosphate is dependent on electron transfer, as evidenced by the requirement for both h2 and fumarate. phosphorylation is also dependent on adp and is destroyed by boiling the ...1978149114
controlled-test evaluation of fenbendazole against natural infections of lungworms in calves. 1978150090
modification of yeast phosphofructokinase by trypsin and subtilisin in the presence of effectors.yeast phosphofructokinase was subjected to limited proteolysis by trypsin in the presence of different effectors. it could be demonstrated that the substrates mgatp and fructose-6-phosphate are able to protect the enzyme from inactivation by trypsin. other effectors like amp, adp, phosphoenolpyruvate, citrate and ammonium ions exhibit only negligible effects. during the first step of degradation consisting in the conversion of the subunits from mr 120,000 to 90,000 no significant effects of the ...1978154818
fibrinogen turnover in pregnant rabbits during the first and last thirds of gestation.although thrombin-mediated fibrinogen derivatives have been observed in normal pregnancy, an increased turnover of fibrinogen has been suspected but has not yet been demonstrated. fibrinogen turnover was studied in 14 pregnant and 10 nonpregnant female rabbits by use of purified rabbit 125i-labeled fibrinogen. in the last third of gestation the half life of fibrinogen was shortened by 45% and the fractional catabolic rate increased by 44% in comparison to the values for the first third of gestat ...197899036
congeners of dom: effect of distribution of the evaluation of pharmacologic data. 1978101880
the safety of rapeseed oil. 1978101916
a new sequence-specific endonuclease from anabaena cylindrica. 1978103749
evidence for peptidoglycan-associated protein(s) in neisseria gonorrhoeae. 197827176
in vitro transformation of mouse bone marrow cells by the polycythemic strain of friend leukemia virus.strains of friend leukemia virus (flv) that are associated with polycythemia contain the defective spleen focus-forming virus (sffv). to determine whether the transforming ability of flv was affected by the presence of this second agent, dba/2j mouse bone marrow cells were infected in vitro. criteria for transformation were the establishment of permanent lines, growth on semisolid agarose, and the production of tumors at the site of inoculation in syngeneic hosts. two lines of immature hematopoi ...197986991
pattern of milk flow in breast-fed infants.122 six-day-old infants were test-weighed during breast feeding. cross-sectional data collection avoided repeated interruptions of individual feeds. milk flow conformed to a definite pattern: a mean of 50% of the feed from each breast was taken in the first two minutes of sucking and a mean of 80-90% was taken by four minutes. the second half of a ten-minute feed from either breast was almost non-nutritive. preliminary studies suggest that the pattern is the same after one month of lactation.197987962
studies on histamine release induced by compound 48/80 and peptide 401 [proceedings]. 197988890
detection of antilymphocyte antibody with two-color method in systemic lupus erythematosus and its heterogeneous specificities against human t-cell subsets.the two-color method originally described by van rood et al. (van rood, j. j., a. van leeuwen, and j. s. ploen. 1976. simultaneous detection of two cell populations by two-color fluorescence and application to the recognition of b-cell determinants. nature (lond.). 262: 795-797) for the typing of homologous leukocytic antibodies, d-region was used for the detection of antilymphocyte antibody (ala) in systemic lupus erythematosus. in this method, surface immunoglobulin-bearing cells were identifi ...197991623
the murine kupffer cell. i. characterization of the cell serving accessory function in antigen-specific t cell proliferation.murine kupffer cells, the tissue macrophages of the liver, were isolated by collagenase digestion, differential sedimentation over metrizamide, and glass adherence. the resultant cell population was more than 86% phagocytic, and 95% of cells stained positively for alpha-naphthyl butyrate esterase activity. the cells also had cell surface receptors for complement (c) and the fc portion of igg. in addition, a large proportion of kupffer cells was shown to bear ia antigens: about half of the cells ...197991637
the specificity of human autoantibodies that react with both cell nuclei and plasma membranes: the nuclear antigen is present on core mononucleosomes.we have examined the nature of the nuclear antigen recognized by certain natural human antibodies that react specifically with both cell nuclei and plasma membranes from many species. partial purification of these antibodies, called x-ana, is achieved by binding to and rapid elution from the surface of viable human leukocytes. chicken erythrocyte chromatin was solubilized by digestion with staphylococcal nuclease and fractionated into a 0.15 m nacl soluble fraction that consisted of core mononuc ...197991640
purification of human plasma alpha 2 macroglobulin and alpha 1 proteinase inhibitor using zinc chelate chromatography. 197992900
characterization of various horse thyroid forms of cyclic-nucleotide phosphodiesterase [proceedings]. 197992956
a technique for estimating total spine numbers on golgi-impregnated dendrites.the functional significance of dendritic spines and their morphological sensitivity to a wide spectrum of experimental manipulations and pathological states have led to a number of studies in which counts of dendritic spine number have been carried out. these studies have, for the most part, involved the enumeration of only those spines which protrude from the opaque shafts of golgi-impregnated dendrites into the clear zones flanking the dendrite. such counts, limited to only those spines which ...197993115
comparison of antigen-specific i-region-associated cell interaction factors.two basic types of factors reacting with anti-i region (anti-ia) antisera are compared, those derived from macrophage-like antigen presenting cells and others derived from t-lymphocytes, of either the suppressor or helper type. despite the common property of reacting with anti-ia antisera, the two sets of factors differ by many criteria. macrophages, upon culture with antigen, release complexes of ia antigen and a fragment of the original immunogen. this material is only produced by responder ma ...197993870
hereditary alpha 2-macroglobulin deficiency.on screening of a normal material 1 man was found (age 37) who on repeated determinations had a low alpha 2m, namely 25 % with electroimmuno assay according to laurell. investigation of the family revealed that the mother (age 69) and one daughter (age 5) had low values too. all other coagulation and fibrinolytic components were normal. they had no signs of increased fibrinolysis and normal levels of alpha 2-antiplasmin, alpha 1-antitrypsin and antithrombin iii. liver function tests were normal. ...197994459
a biochemical comparison of development of various facial bones in neonatal rats. 197994540
the effect of dextran on the incidence of thrombosis in microvenous nakayama ring pin anastomoses. including further studies on the histopathology of nakayama anastomoses.anastomoses of the posterior facial veins in the rabbits neck (diameter appr. 1.5-2.0 mm) were performed under the operating microscope, using the nakayama ring pin stapler. immediately before the operation the animals received clinical dextran (mw 70000) or physiological saline intravenously in a double-blind randomized pattern. the total incidence of partial or complete thrombosis in this experiment was low (around 10%). no difference between the two groups were detected. all anastomoses were ...197994697
the effect of glutaurine on the development of amphibian larvae with inhibited rna and protein synthesis.1. glutaurine (gamma-l-glutamyl-taurine) isolated from bovine parathyroid and later synthetized retards the metamorphosis of rana arvalis. 2. from day 13 of treatment glutaurine moderates the metamorphosis inhibiting effect of antibiotics acting at the transcription and translation level.197994855
major and modified nucleosides in trna hydrolysates by high-performance liquid chromatography.we describe a high-performance liquid chromatographic analytical method that can be readily placed in operation, and which is particularly well suited to scientists investigating trna structure, biosynthesis, and function, and for the determination of major and modified nucleosides of trna. the method is characterized by the following features: (1) sensitivity at the nanogram level; (2) high chromatographic resolution and selectivity; (3) direct measurement of nucleosides with accuracy and preci ...197994916
contribution to the knowledge of histophysiological characteristics of the pineal gland of ewes during pregnancy. 197995051
domains and the hinge region of an immunoglobulin heavy chain are encoded in separate dna segments.a 6.8-kilobase dna fragment containing the sequence coding for the constant region of the mouse immunoglobulin gamma1 heavy chain was cloned from total cellular dna. electron microscopic and nucleotide sequencing studies showed that the three protein domains and the hinge region are encoded in separate dna segments.1979106304
penicillin-resistant gonorrhea. 1979106997
interpretation of serum and red cell folate results. a comparison of microbiological and radioisotopic methods.serum folate and red blood cell folate levels were measured in 167 patients using a microbiological method (lactobacillus casei) and a commercial 125i radioassay kit. the results of the two methods were compared and related to the clinical findings to see which method more truly reflected the physiological folate status of the patient. there was a good linear correlation between the methods for both serum folate and red cell folate over the whole range encountered and the mean results obtained w ...1979107505
restricted posterior parietal lesions in the rhesus monkey and performance on visuospatial tasks.monkeys with lesions restricted to the inferior parietal lobule or the banks and depths of the superior temporal sulcus were tested on a route-following task. these areas are considered on neuroanatomical grounds to be homologous to parts of the human posterior parietal cortex, where lesions produce profound spatial disorientation. the operated monkeys were impaired on the route task, thus confirming at the behavioural level the anatomical predictions of comparability between parietal cortex in ...1979103604
[microbiological quality of frozen vegetable foods. ii. indicator microorganisms]. 1979122280
characterization of the cyclic 3',5'-nucleotide phosphodiesterase actitivty associated with synaptosomal plasma membranes and synaptic junctions.some characteristics of the cyclic 3',5'-nucleotide phosphodiesterase (phosphodiesterase) activity associated with the synaptosomal plasma membrane (synaptic membrane) and the synaptic junction fractions of rat brain are reported. kinetic analysis revealed that only one type of phosphodiesterase activity, with a km of 2.10 19(-4) m for cyclic amp, is associated with both fractions. the specific activities of the phosphodiesterase in synaptic membranes and synaptic junctions have been estimated a ...1979222347
primary structure of yeast proteinase b inhibitor 2.the complete amino acid sequence of yeast proteinase b inhibitor 2 (ib2) was determined to be h3n+-thr-lys-asn-phe-ile-val-thr-leu-lys-lys-asn-thr-pro-asp-val-glu-ala-lys-lys-phe-leu-asp-ser-val-his-his-ala-gly-gly-ser-ile-leu-his-glu-phe-asp-ile-ile-lys-gly-tyr-thr-ile-lys-val-pro-asp-val-leu-his-leu-asn-lys-leu-lys-glu-lys-his-asn-asp-val-ile-glu-asn-val-glu-asp-lys-glu-val-his-thr-asn-coo-. elucidation of the primary structure was enabled by automated edman degradation and cooh-terminal hydro ...1979387783
the formate dehydrogenase involved in electron transport from formate to fumarate in vibrio succinogenes.1. the formate dehydrogenase of vibrio succinogenes, which is involved in electron transport with fumarate as terminal acceptor, was solubilized with triton x-100 and purified some 200-fold by means of chromatography on hydroxyapatite, sucrose-density-gradient centrifugation and chromatography on deae-sephadex. gel filtration failed to increase the specific acitivity of the enzyme while gel electrophoresis in the presence of dodecylsulfate revealed that 73% of the protein of the preparation cons ...1979428397
a rapid purification procedure for l-asparaginase from vibrio succinogenes.a simple procedure has been developed for the purification of l-asparaginase from vibrio succinogenes. only two steps of ion-exchange chromatography are required. a higher yield and higher specific activity are obtained than previously reported.1979471939
comparison of plasma, erythrocyte and brain lithium concentrations in the guinea-pig and rat [proceedings]. 1979497586
Displaying items 1 - 100 of 819