Publications

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demonstration of the outer surface of freeze-etched red blood cell membranes. 19704918217
[lytic antibodies in antibacterial sera. ii. lytic activity of antibodies of different immunochemical type]. 19714938664
a new type of pseudomonas aeruginosa isolated from choleraic stools--preliminary observations. 19715005611
bovine fetal response to anaplasma marginale. 19715089193
immune response to anaplasma marginale. 19715094703
transstadial (nymph-to-adult) infection of anaplasma marginale in dermacentor andersoni stiles. 19715160254
characterization of opsonins eluted from erythrocytes of cattle infected with anaplasma marginale. 19715567418
drug-induced neurologic disorders in childhood. 19714109860
release of adrenal catecholamines by angiotensin i. 19714328014
release of adrenal catecholamines by angiotensin i. 19714328014
[determination of the antigen of infectious canine hepatitis virus by the method of immunofluorescence]. 19724344940
[determination of the antigen of infectious canine hepatitis virus by the method of immunofluorescence]. 19724344940
inducible phosphoenolpyruvate-dependent hexose phosphotransferase activities in escherichia coli.1. a method is described for measuring the rate of phosphoenolpyruvate-dependent phosphotransferase activity for a variety of hexoses in toluene-treated suspensions of escherichia coli. 2. the specific activities of the phosphotransferases that catalyse the phosphorylation of hexoses are greatly affected by the carbon source for growth. 3. in all strains of e. coli tested, fructose phosphotransferase activity is induced by growth on fructose. 4. strains of e. coli differ greatly in the rate at w ...19724345358
locus of divalent cation inhibition of the bactericidal action of polymyxin b.the bactericidal effect of polymyxin b upon two pseudomonas aeruginosa strains and two escherichia coli strains was studied as a function of the concentration of the divalent cations ca(2+) and mg(2+). lipid spherules in aqueous suspension (liposomes) were prepared from the bacterial phospholipids and were examined for the release of trapped glucose induced by polymyxin b under similar conditions of divalent cation concentration. in contrast to the bacteria, which were protected markedly from th ...19724363788
morphological changes in cell cultures infected with plague mutants of chikungunya virus. 19724404102
deoxyribonucleic acid of anaplasma marginale.deoxyribonucleic acid from isolated marginal bodies and calf erythrocytes infected with anaplasma marginale is found to be double stranded and to contain 51 moles per cent guanine plus cytosine.19724109892
the chemistry of allergens. xxi. eight new antigens generated by successive pepsin hydrolyses of bovine -lactoglobulin. 19724114295
[antirhoin in the treatment of gastroenteritis in newborn calves]. 19724210733
a tissue culture method for anaplasma marginale. 19725023988
measurement of human meiotic chromosomes according to arm lengths and centromere position. 19725054224
anaplasma marginale: hemoglobin patterns in experimentally infected young calves. 19725057036
transmission of anaplasma marginale by the cattle tick boophilus microplus. 19724640755
cryogenic preservation of anaplasma marginale with dimethyl sulfoxide. 19724641213
combined treatment with a dithiosemicarbazone and oxytetracycline to eliminate anaplasma marginale infections in splenectomized calves. 19724648995
comparative response to premunization using attenuated anaplasma marginale virulent a. marginale and a. centrale in different age groups. 19724671458
preliminary studies on the transmission of anaplasma marginale by boophilus microplus. 19734689814
mechanical factors influencing the holding power of screws in compact bone. 19734729031
an automated method for continuous-flow analysis of radioactivity applicable to the study of collagen crosslinks. 19734737498
reactivity of the pituitary-thyroid system to exogenic thyroxine and propylthiouracil during the peri- and neonatal period in the rabbit. 19734771360
letter: application of carbon-13 in biosynthetic studies; ft-13c nuclear magnetic resonance spectra of dihydrolatumcidin. 19734792108
the cure and concomitant immunization of mice bearing ehrlich ascites tumors by treatment with an antibody--alkylating agent complex. 19734803217
studies on homologous and heterologous antibody responses to infections with anaplasma marginale and a. centrale using the indirect fluorescent antibody and capillary tube agglutination tests. 19734582010
gram-staining characteristics of anaplasma marginale. 19734120967
a comparison of clindamycin and penicillin v in the treatment of oral infections. 19744151774
a role for nicotinic receptors in the regulation of the adenylate cyclase of adrenal medulla. 19744152316
adenosine triphosphatase activity associated with bovine erythrocyte membranes during infection with anaplasma marginale. 19744276083
the effect of complement and other cell wall reagents on tetracycline and streptomycin resistance in pseudomonas aeruginosa. 19744213813
spectral sensitivity of the short wavelength mechanism in the squirrel monkey visual system. 19744215218
alkaline phosphatase activity associated with the nuclear pore in normal and neoplastic salivary gland tissue. 19744443554
[influence of x-rays on electrolyte sliding and heart muscle metabolism. iv. radiation-induced changes in the concentration of various high-energy phosphate compounds]. 19744450228
the fine structure of intra-erythrocytic stages of theileria gorgonis and a strain of anaplasma marginale isolated from wildebeest (connochaetes taurinus). 19744473851
[proceedings: position of cisterna cerebellomedullaris in chickens and administration of chemical substances]. 19744478516
the flank approach to feline ovariohysterectomy (an alternate technique). 19744493822
culture of anaplasma marginale in lymph node cells. 19744534775
effect of 5-hydroxytryptophan (5-htp) on plasma prolactin levels in man. 19744544920
[effect of adrenaline and angiotensin on the blood pressure of thyroidectomized rats]. 19744368111
effect of amendments on the microbial utilization of oil applied to soil.replicate field plots comprising a control, plus oil, plus oil and bacteria, plus oil and fertilizer (urea-phosphate; 27:27:0), and plus oil, bacteria, and fertilizer were monitored over a 308-day period for changes in bacterial and mold numbers. changes in the chemical composition of the oil applied to the plots was followed by using chromatographic techniques. application of fertilizer resulted in a stimulation of bacterial numbers and in the rate of utilization of n-alkane components of the s ...19744589125
in vitro uptake of 14c-labeled amino acids by preparations of partially purified anaplasma marginale bodies.studies on the incorporation of three (14)c-labeled amino acids into preparations of partially purified anaplasma marginale were conducted. relatively high levels of uptake of radioactive isoleucine, glycine, and methionine were detected in both trichloroacetic acid-soluble and -insoluble fractions of these preparations, indicating that the parasite is capable of protein synthesis outside its erythrocytic environment. when erythrocytes (red blood cells) from infected calves were incubated with [ ...19744822866
an electron microscope study of diagnostic antigens prepared from anaplasma marginale. 19744838997
immunity in bovine anaplasmosis after elimination of anaplasma marginale infections with imidocarb. 19744842856
the effects of injecting anti-erythrocyte serum into calves infected with anaplasma marginale. 19744843105
trna gene clusters in escherichia coli dna. 1975127650
morphology, surface markers, and in vitro responses of a human leukemic t cell. 1975127678
electron transport chain from glycerol 3-phosphate to nitrate in escherichia coli.it is known that in escherichia coli two dehydrogenases of the flavoprotein kind can participate in the transfer of hydrogens from sn-glycerol 3-phosphate (g3p) to nitrate and that possession of either enzyme is sufficient to permit anaerobic growth on glycerol as carbon source and nitrate as hydrogen acceptor. results from this study show that under such a growth condition a protein with light-absorption characteristics of cytochrome b1 is induced. if g3p, nitrate, and adenosine diphosphate are ...1975127786
flaujeac trait. deficiency of human plasma kininogen.flaujeac trait plasma resembled hageman trait or fletcher trait, in that the intrinsic coagulation pathway, plasma fibinolytic pathway, kinin-forming system, permeability factor of dilution (pf/dil) phenomenon were abnormal. the defect in each assay was reconstituted by afactor separable from hageman factor or fletcher factor. this substance was an alpha-globulin with an approximate mol wt of 170,000. flaujeac plasma did not release a kinin upon incubation with kallikrein and was deficient in to ...1975127805
the mechanism of trapping of immune complexes in experimental antigen-induced arthritis.the role of acute inflammation and of specific antibody in the retention of antigen in joint collagenous tissues of immunized rabbits was examined. the role of the acute synovitis occurring immediately after ia antigen injection in the retention of immune complexes was investigated by the concomitant ia injection of trace amounts of 1258-bsa and mono-sodium urate crystals and by the production of an acute arthus reaction using an unrelated antigen in doubly immunized rabbits. in neither case was ...1975128111
the nature of the protein moieties of cartilage proteoglycans of pig and ox.proteoglycans extracted with 4m-guanidinium chloride from pig laryngeal cartilage and bovine nasal septum were purified by density-gradient centrifugation in cscl under 'associative' followed by 'dissociative' conditions [hascall & sajdera (1969) j. biol. chem. 244, 2384-2396]. proteoglycans were then digested exhaustively with testicular hyaluronidase, which removed about 80% of the chondroitin sulphate. the hyaluronidase was purified until no proteolytic activity was detectable under the condi ...1975128355
immunologic aspects of 1, 2-dimethylhydrazine-induced colon tumors in rats.investigation of immunologic aspects of colon tumors induced in rats by 1,2-dimethylhydrazine demonstrated that: 1) an antigen in an extract of colon tumors was not detected in the normal colon. it was related to antigens in rat fetuses and did not cross-react immunologically with carcinoembryonic antigen. 2) mucinous adenocarcinomas of the colon were significantly associated spatially with lymphoid follicles.1975165314
the influence of diazepam on the dosage of muscel-relaxants during anaesthesia.the literature on anaesthesiological studies performed to investigate a possible sparing effect of diazepam on the dosage of muscle-relaxants during anaesthesia is reviewed. despite some conflicting results it can be concluded that diazepam exerts such an effect, thus allowing between 8 and 30% of the amounts of muscle-relaxants, depending on the type of anesthesia used, to be spared. this conclusion is also supported by the results of pharmacological studies in animals, using the head drop meth ...1975165742
[persistence of latex-agglutination inhibiting and neutralizing antibodies against enterovirus in the healthy population (author's transl)].sera of 122 persons were examined by the neutralization and latex-agglutination inhibition tests for antibodies against polio type i, coxsackie virus type a 9 and b 4, as well as echo virus type 9. with increasing age there was a titre difference between latex-agglutination inhibiting and neutralizing antibodies, due to the earlier fall in the former. these antibodies, contrary to neutralizing ones, were in the lower titre region. the results confirmed the usefulness of the latex-agglutination i ...1975169112
steroid production by the isolated rabbit ovarian follicle.graafian follicles from new zealand white rabbits were incubated at 37 degrees c for various periods of time with air as the gas phase. media were changed every 15 min and stored at -15 degrees c until analysed for progestins, 17 beta-hydroxyandrogens and oestrogens using established radioimmunoassay procedures. at fixed times after the start of the incubations, media containing various test substances were added with subsequent replacement by medium alone. addition of 5 mug lh/ml for 1 sec caus ...1975173845
malignant transformation-linked imbalance: decreased xanthine oxidase activity in hepatomas.xanthine oxidase was decreased 2- to 10-fold in all examined rat hepatomas irrespective of the malignancy; growth rate and degrees of histological differentiation of the neoplasms. the affinity to substrate (km=6-8 mum) and the ph optimum (8.0) of the liver and hepatoma enzymes were the same. the reprogramming of gene expression, as manifested in the decreased activity of this key purine metabolizing enzyme, appears to be specific to neoplastic transformation. since glutamine prpp amidotransfera ...1975179860
exit of anaplasma marginale from bovine red blood cells.incubation of anaplasma marginale-infected bovine red blood cells in a flow culture system resulted in a decrease of observable marginal bodies. the decrease was twice the degree of hemolysis, indicating that marginal bodies may leave red blood cells without concomitant lysis of the host cell.1975237446
propagation of anaplasma marginale in bovine lymph node cell culture.anaplasma marginale was propagated in cell cultures derived from bovine lymph node (ln). treatment of host cells with diethylaminoethyl dextran (deae-d) before inoculation and centrifugation of inoculum onto the monolayers resulted in significant numerical increases of a marginale. the direct fluorescent antibody technique (fat) was used for detection of the organism in culture. the rat was combined with the standard microscopic count procedure to obtain numerical estimates of the organism in ce ...19751094867
babesia bigemina, babesia argentina, and anaplasma marginale: coinfectious immunity in bovines. 19751123013
study of an attenuated anaplasma marginale vaccine in mexico natural challenge of immunity in an enzootic area.an evaluation was made of the protection induced by an attenuated anaplasma marginale vaccine in young purebred cattle against the challenge exposure of naturally transmitted anaplasmosis in enzootic areas of mexico. the cattle, which were raised in isolation units free of arthropods, consisted of 10 brown swiss calves (1 to 13 months of age) and 8 holstein calves (5 to 7 months of age). they were paired by breed, age, and body weight, and allotted to 2 equal groups. calves in 1 group were vacci ...19751137209
absence of anaplasma marginale infection in american bison raised in an anaplasmosis endemic area.blood was collected at slaughter from 132 adult american bison (bison bison) raised in an anaplasmosis endemic area where the vector dermacentor andersoni (equals venustus) is indigenous. hematologic studies revealed no indication of clinical anaplasmosis. card agglutination and complement-fixation tests on all bison serums were negative. eleven anaplasmosis-susceptible calves each inoculated with 204 ml of blood pooled from 12 bison did not develop anaplasmosis. results of this study indicate a ...19751152178
comparative morphology of genital cones of genus ancylostoma dubini, 1843.male worms of ancylostoma braziliense, a. ceylanicum, a. kusimaense, a. malayanum, a. duodenale, a. caninum, a. tubaeforme, agriostomum vryburgi and cyclodontostomum purvisi have the external appendages beside the anogenital aperture. these anogenital structures are morphologically similar and are assumed to be homologous among the species with three pairs of teeth or more. in hookworms with two pairs of teeth, the anogenital structures are complex. anogenital features can be used as a taxonomic ...19751166351
[reproducibility of copper sulfate emesis by oral administration in dogs].twelve dogs were administered oral threshold doses of copper sulfate every week. in 66 out of 85 cases, dogs vomited. one dog vomited in 1st and 2nd tests, but did not respond in the other 6 tests. excluding this one, the reproducibility was 82%. the following method is thus proposed for application in evaluating an antiemetic for oral copper sulfate. small dogs, weighing 7-14 kg, are to be kept in a constant condition during the quarantine and tests and given the emetic once a week. the thresho ...19751169192
incorporation of ortho[32p]phosphate into phosphatidylcholines and phosphatidylethanolamines in rat skeletal muscle.1. the specific radioactivities of individual molecular species of muscle phosphatidylcholine and phosphatidylethanolamine have been measured by a combination of argentation thin-layer chromatography and countercurrent distribution. 2. the specific radioactivities of individual molecular species of muscle phosphoglycerides have been determined 3 h after intraperitoneal injection of ortho[32 p] phosphate. under these conditions the specific radioactivities of the species present in rat muscle wer ...19751182189
morphologic alterations of anaplasma marginale in calves after treatment with oxytetracycline.the morphologic features of anaplasma marginale were determined after treatment of infected calves with oxytetracycline. by light microscopy, anaplasma bodies in erythrocytes of treated calves were enlarged and vacuolated, small and dense, or comma shaped. several degenerated forms of anaplasma bodies were observed by electron microscopy. there was a blending of the 2 membranes surrounding initial bodies, aggregation of nucleoprotein at the periphery of the subunit, and vacuolation. a 2nd form o ...19751190584
ultrastructure of anaplasma marginale after freeze-fracture.stained thin sections and freeze-fractured replicas of anaplasma marginale-infected bovine erythrocytes were examined by electron microscopy. freeze-fracture replication not only verified basic anaplasma ultrastructure, but also allowed visualization of structures not previously reported. because of the partial 3-dimensional views obtained with freeze-fracture replication, a new structure that appears as a protruding tip was discernible. also, the surface of anaplasma's limiting membrane was les ...19751190593
effect of five daily intravenous treatments with oxytetracycline hydrochloride on the carrier status of bovine anaplasmosis.intravenous administration of oxytetracycline hydrochloride at the rate of 22 mg/kg daily for 5 days was effective in rendering parasite-free 11 adult cattle that were naturally infected anaplasma marginale carriers. the treatment did not cause any noticeable distress or side effect. through 12 posttreatment months, the efficacy of the treatment procedure was evaluated by serologic tests and subinoculation of blood into susceptible splenectomized calves. results of the rapid card agglutination t ...19751194114
multiple forms of monoamine oxidase in rabbit platelets. 19751196003
susceptibility of boran cattle to experimental infections with anaplasma marginale and babesia bigemina. 19751217278
the role of wild mammals in the epidemiology of bovine theilerioses in east africa.the theileriidae of east african wild mammals are reviewed. three species of wild bovidae were captured in east africa. they were africa cape buffalo (syncerus caffer), blue wildebeest (connochaetes taurinus) and eland (taurotragus oryx), and all were found to be naturally infected with theileria species. these animals were studied to determine the transmissibility and pathogenicity of their theilerial infections to cattle. adult rhipicephalus appendiculatus ticks, which had engorged as nymphs o ...1975803580
isolation of a bovine theileria.dual infections of anaplasma marginale and a theileria, resembling theileria mutans, occurred in splenectomized calves inoculated with pooled blood samples from eastern texas cattle. theileria was obtained in pure form by treating dually infected cattle with selectively eliminated anaplasma. these theileria infections were responsible for mild, transient reductions in packed red blood cell volume (pcv).1975804831
blood parasites of some wild bovidae in botswana.blood smears from a total of 282 wild bovidae from ngamiland, botswana were examined for the presence of blood parasites. the following species were sampled: 190 african buffalo, 23 impala, 10 blue wildebeest, 18 tsessebe, 1 eland, 13 lechwe, 16 kudu and 11 sable antelope. in addition, blood from 36 of the above antelope and from a further 48 buffalo was inoculated into rodents to test for the presence of trypanosomes. an anaplasm morphologically indistinguishable from anaplasma marginale theile ...1975813170
[increase in the immune response in old mice with immunologic insufficiency]. 19751081214
dynamic cisternography in normal dogs and in human beings.cisternography and ventriculography were performed in five normal anesthetized dogs to study the dynamics of tracer dispersal. indium 111-diethylenetriaminepentaacetic acid was injected into lateral ventricles, cisterna magna, thoracic subarachnoid space, and lumbar sac. the patterns of dispersal from each injection site support a nonflow dispersal mechanism with a tendency toward ultimate equilibrium distribution throughout the cerebrospinal fluid. quantitative data in humans complement observa ...19761082560
effects of temperature and time on the infectivity of cryogenically preserved samples of anaplasma marginale- infected erythrocytes.the effects of temperature (25 c) and time (2, 4, 6, 8, 12, 24, 48, 72, 96 hours and 5, 13, and 19 days) were determined on thawed samples of anaplasma marginale-infected erythrocytes cryogenically preserved with dimethyl sulfoxide and frozen in liquid nitrogen. inoculation into splenectomized calves indicated that infectivity was not destroyed by either time or temperature from 2 to 72 hours, but was destroyed at 96 hours. the incubation periods of the disease in inoculated splenectomized calve ...1976937810
survival of anaplasma marginale in aedes albopictus cells.bovine red blood cells infected with anaplasma marginale were introduced into cell line cultures from the mosquito aedes albopictus. the cultured mosquito cells phagocytized both infected and uninfected red blood cells. the parasite remained viable, as determined by calf inoculations, for 21 days.1976949127
serological comparison of australian and south american strains of babesia argentina and anaplasma marginale. 1976955774
cutaneous hypersensitivity and isoantibody production in cattle injected with live or inactivated anaplasma marginale in bovine and ovine erythrocytes.delayed cutaneous hypersensitivity and the production of isoagglutinins against normal bovine erythrocytes were measured in cattle inoculated with erythrocytic preparations containing live or inactivated anaplasma marginale. the effect of blood group substances versus parasitic components on induction of delayed cutaneous hypersensitivity and isoimmunity was examined by using test antigens derived from normal and parasitized erythrocytes, virulent a marginale in bovine erythrocytes, and attenuat ...1976962206
immunization against anaplasmosis and babesiosis: part i. evaluation of immunization using minimum infective doses under laboratory conditions.a method of immunization against anaplasmosis and babesiosis using minimum infective doses was developed under laboratory conditions. stabilates of anaplasma marginale stored at -60 degrees c were found infective when diluted 10-fold to 10(-3). stabilates of babesia argentina and babesia bigemina stored under the same conditions were infective when diluted 10-fold to 10(-1). intact calves inoculated with the above dilutions of stabilates developed moderate parasitemias and recovered from infecti ...19761006801
preliminary observations on the use of the capillary flocculation test for the diagnosis of heartwater (cowdria ruminantium infection).a capillary flocculation test was developed to diagnose heartwater disease of ruminants. antigen was prepared from the brains of cattle and goats highly infected with cowdria ruminantium. sera were obtained from experimentally infected ruminants which either recovered naturally or with the aid of oxytetracycline treatment. antibodies were first detected one to two weeks after clinical recovery or after treatment, and persisted for periods varying between one and four weeks. control sera collecte ...19761030824
failure of anaplasma marginale theiler to survive natural winter conditions on a dermacentor andersoni = (venustus) infested range. 19761078097
survey of anaplasmosis in elk of the clearwater national forest (idaho).samples of blood from 27 free-roaming elk (cervus canadensis canadensis) from the clearwater national forest in north central idaho were tested by the rapid card agglutination test and complement-fixation test for the presence of antibodies against anaplasma marginale. the serum card test and complement-fixation test gave incomplete and false-positive reactions; the plasma card test did not give any reactions. anaplasma bodies or other blood parasites were not observed in stained smears of elk b ...19761275349
cross reactivity between anaplasma marginale and two plasmodium species as demonstrated by passive hemagglutination.two types of antigens were prepared from each of 3 partially purified preparations of anaplasma marginale, plasmodium lophurae, and p berghei. hemagglutination tests were conducted with homologous serums to detect antigenic relationships between these organisms. serums were also absorbed with both homologous and heterologous antigen preparations. cross reactivity between these organisms was observed.1976779540
evaluation of the indirect fluorescent antibody test for detecting trypanosoma vivax in south american cattle.the indirect fluorescent antibody test (ifat) as used in africa for detecting bovine trypanosomiasis was adapted for use in south america and evaluated. antigen consisted of trypanosoma vivax laden bovine blood fixed in a 60 : 40 : : acetone : methanol solution. the test detected initial titres of 1 : 50 and 1 : 100 at an average of 13.1 and 15.9 days post parasitaemia (pp). maximum titres as high as 1 : 400 developed in eight calves at an average of 23.4 days pp. in another calf, 109 days pp we ...1976781765
microassay of cylic nucleotides in vessel wall. i. cyclic amp. 1976186301
preparation and properties of 3-halopyridine--adenine dinucleotides, nad+ analogues and model compounds.the preparation of model compounds 1-(2',6'-dichlorobenzyl)-3-halogenopyridinium and the study of their properties were achieved. their chemical reduction to the corresponding 1,4-dihydropyridines is proved by spectroscopic analysis. 3-iodopyridine--adenine dinucleotide was prepared by enzymic transglycosidation while the 3-chloro, 3-bromo and 3-iodo pyridine--adenine dinucleotides were synthesized from 3-amino-pyridine--adenine dinucleotide. the 3-halogenopyridine--adenine dinucleotides were pr ...1976179812
inhibitory effects of mersalyl and of antibodies directed against smooth-muscle myosin on a calcium adenosine triphosphatase of the plasma membrane from mouse liver cells. 1976130830
changes in serum concentration of phagocytosis-stimulating factor in experimentally induced bovine anaplasmosis: preliminary findings.to determine whether correlation exists between serum concentration of phagocytosis-stimulating factor (psf) and in vivo phagocytic activity, 2 splenectomized steers were inoculated with anaplasma marginale, and their serum psf concentrations were monitored. at the time of the anemic crisis, serum psf concentrations were elevated five to tenfold.197658572
the modified card agglutination test: an accurate tool for detecting anaplasmosis in columbian black-tailed deer.inoculation of susceptible calves confirmed that the modified card agglutination test accurately detected the anaplasmosis infection status of each of 35 columbian black-tailed deer (odocoileus hemionus columbianus). anaplasma marginale, and specific antibodies, were demonstrated only in calves which received blood from deer that were positive by the card test. the modified card agglutination testing of deer serum was performed in the manner recommended for testing cattle serum with bovine-origi ...197616498890
the relative biological effectiveness of pions in the acute response of human skin. 197796068
structural studies and physical maps for the herpes simplex virus genome. 1977193820
[study of cytoplasmic rna in tissues of the rat, regenerating liver and in liver of rats with hepatoma pc-1].cytoplasmic rna of the rat regenerating liver and liver of rats with hepatoma pc-1 is separated into five fractions on the column of kieselgur with methylated albumin (mak). studies in the nucleotide composition showed that certain fractions of cytoplasm rna are ribosomal and messenger rna. the highest amount of radioactive precursor is incorporated into messenger rna of the rat regenerating liver and liver of the rats with hepatoma pc-1 which is eluated from the column by 0.2% solution of sodiu ...1977201068
social organization and food resources availability in primates: a socio-bioenergetic analysis of diet and disease hypotheses.data obtained during a field study of two species of nonhuman primates (alouatta villosa and ateles geoffroyi) living in the tikal national park in guatemala are used to suggest an answer to the question: to what extent is the existence of a particular form of social organization (group size, structure, and composition) an indication of the amount of energy in the form of food resources available to animals in a particular habitat? seven researchers working in teams spent 2,318 hours in the fiel ...1977403771
studies on theileriidae (sporozoa) in tanzania. viii. experiments with african buffalo (syncerus caffer).it has been found that african buffalo may remain infective carriers of theileria parva lawrencei for at least 5 years. this infection is now known to exist in buffalo in 3 sites in northern tanzania. it was shown that buffalo can be infected with haematoxenus veliferus and theileria mutans of cattle and retransmission of these parasites from buffalo to cattle was successful. the species of haematoxemus reported in wild buffalo in central and east africa is likely to be h. veliferus, while the p ...1977410128
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