Publications

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investigations of the attenuation induced in foot-and-mouth disease virus by a chemical mutagen. 19724336962
the aerosol stability of a strain of foot-and-mouth disease virus and the effects on stability of precipitation with ammonium sulphate, methanol or polyethylene glycol. 19724337216
the influence of relative humidity on the aerosol stability of different strains of foot-and-mouth disease virus suspended in saliva. 19724337217
the growth of foot-and-mouth disease virus in organ cultures of bovine tissues. 19724337542
passive hemagglutination-inhibition test for typing foot-and-mouth disease virus.in addition to currently used serological tests for the occurrence of foot-and-mouth disease virus (fmdv), a specific "passive" hemagglutination-inhibition (hai) test has been developed as a supplement. serial twofold dilutions of antiserum (0.05 ml) were mixed with 0.05 ml of a constant concentration of fmdv. after incubating for 30 min at 37 c, agglutinating antibodies were determined by adding 0.1 ml of 2.5% virus-sensitized erythrocytes. the minimum concentration of antiserum required to agg ...19724333898
heterogeneity of foot-and-mouth disease virus: further studies on plaque formation by two plaque-size variants.plaque production by a small-plaque (sp) and large-plaque (lp) variant of foot-and-mouth disease virus, type a, strain 119 (fmdv, a119), was influenced by a number of environmental factors. the sp variant produced plaques on cells of the ib-rs-2 cell line from swine kidney and to a lesser degree on primary cultures of swine kidney cells, but plaque formation was inhibited on primary cultures of bovine kidney (bk) cells unless diethylaminoethyl (deae) dextran was added to agar overlays. when deae ...19724334291
viscosity-density gradient for purification of foot-and-mouth disease virus. 19724335020
comparative complement-fixation studies with subtype strains of foot-and-mouth disease virus.a comparison was made between a macrotechnique in tubes and a microtechnique in plastic plates for complement-fixation tests, using strains of three subtypes of the asia 1 type of foot-and-mouth disease (fmd) virus. the results obtained with these techniques were found to be comparable and delineated the antigenic relationships of the three strains employed. the microtechnique was considered to be both economical with reagents and capable of similar accuracy and reproducibility to that of the st ...19724335339
a model for foot-and-mouth disease virus. 19724338333
hybridization studies with subtypes and mutants of foot-and-mouth disease virus type o. 19724338334
system for an early identification of foot-and-mouth disease virus strains. 19724339107
[field observations concerning airborne transmission of foot-and-mouth disease virus]. 19724339496
three variants of foot-and-mouth disease virus type o: cell culture characteristics and antigenic differences. 19724340052
three variants of foot-and-mouth disease virus type o: agar gel diffusion reactions. 19724340053
three variants of foot-and-mouth disease virus type o: exposure of cattle. 19724340054
tilting rack for cell cultures during replication of foot-and-mouth disease virus. 19724340057
mono- and divalent cationic parameters of foot-and-mouth disease virus replicase. 19724340565
chemical and physical properties of foot-and-mouth disease virus: a comparison with maus elberfeld virus. 19724341052
the effects of spraying on the amounts of airborne foot-and-mouth disease virus present in loose-boxes.the air of loose-boxes which had previously held pigs infected with foot-and-mouth disease was sampled for virus after various procedures. removal of infected pigs led to a 12- to 16-fold reduction in the amount of virus after 5 min. and a 400-fold reduction after 60 min. after heavy spraying (1.2 mm. of water in 5 min.) the amount of virus was reduced 500-fold compared to 30-fold after light spraying (0.20 mm. of water in 5 min.). the partition of infectivity associated with particle size was m ...19724342000
susceptibility of primary cell cultures to foot-and-mouth disease virus: effect of eagle's nonessential amino acids. 19724342333
screening of sera for antibodies to foot-and-mouth disease viral antigens by radial immunodiffusion.radial immunodiffusion procedures have been developed for testing bovine sera for the presence of antibody activity against three foot-and-mouth disease virus types and a virus infection-associated antigen. reactions with virus antigens were obtained as early as 4 days after infection, and the virus type causing the response was identified. the procedure had the advantages of great sensitivity for the detection of antibody and the ease with which antibodies to a variety of antigens could be dete ...19724344090
stabilizing the immunizing antigen of foot-and-mouth disease virus by fixation with formaldehyde. 19724344146
[presence of an rna dependent dna polymerase enzyme in the foot-and-mouth disease virus]. 19724344208
[effects of gamma radiation on the infectivity, antigenicity and immunogenicity of the foot-and-mouth disease virus]. 19724345590
infection of some species of african wild life with foot-and-mouth disease virus. 19724346158
activity of some actinomycetes and high plants against foot and mouth disease virus. 19724346472
the effects of various protecting agents on the inactivation of foot-and-mouth disease virus in aerosols and during freeze-drying. 19724346651
the differentiation of foot-and-mouth disease virus subtypes by means of the passive immuno-hemolysis test. 19724346674
foot-and-mouth disease virus: selection by homogenized calf kidney adsorption and cell culture passage.foot-and-mouth disease virus was passaged 20 times by alternately adsorbing the virus with homogenized calf kidney and propagating the adsorption-resistant fraction of virus in cell cultures. passage of the virus was accompanied by a marked decrease in pathogenicity for 35-day-old mice and a reduction in its ability to adsorb to homogenized kidney from such mice. adsorption by homogenized calf kidney and infant mouse kidney also decreased with passage, but pathogenicity for cattle and infant mic ...19724348077
the inactivation of foot-and-mouth disease virus by ethylenimine and propylenimine. 19724356372
structure-function relationships in foot-and-mouth disease virus. 19724369223
chromosome deletion and cell susceptibility to the foot-and-mouth disease virus (fmdv). 19724377651
a simple quantitative microtest for determination of the complement fixing activity of foot-and-mouth disease virus. 19724401070
[activity of italian trivalent oac i-70 vaccine in relation to 3 foot-and-mouth disease viruses, argentine o1, a24, a26, c3 viruses and uruguayan o1, a24, c2 viruses]. 19724659820
[hand, foot and mouth disease--virus isolation in cell culture and the application of fluorescent antibody technic to diagnosis]. 19714947192
[studies of hand, foot and mouth disease. virus isolation in an epidemic in nobeoka city in 1970]. 19714999999
[change in resistance of mice against a viral infection by pretreatment with cyclophosphamide. infection of growing mice with foot-and mouth disease virus]. 19715549668
further studies on the adsorption characteristics of foot-and-mouth disease virus residual to adsorption with homogenized calf kidney. 19714335926
ribosomal factors effecting the stimulation of cell-free protein synthesis in the prescence of foot-and-mouth disease virus ribonucleic acid. 19714334521
[ontogenesis of foot-and-mouth disease virus (electron microscopic study)]. 19714334669
[foot-and-mouth disease virus in the cells of a hog kidney subculture]. 19714334670
[improving the typification of foot-and-mouth disease virus]. 19714334671
[antigenic properties of some strains of foot-and-mouth disease virus]. 19714334672
[carbohydrate metabolism in cells infected with foot-and-mouth disease virus]. 19714334673
[typing of the foot-and-mouth disease virus]. 19714334988
[influence of temperature on complement fixation activity of the foot-and-mouth disease virus]. 19714336298
[identification of types and variants of foot-and-mouth disease virus]. 19714325011
[foot and mouth disease virus in ultrathin sections]. 19714325012
[the effect of temperature during passage on the properties of attenuated foot and mouth disease virus]. 19714325013
[interference and sensitivity of virulent and attenuated foot-and-mouth disease virus to interferon]. 19714325014
[purification of cultured foot-and-mouth disease virus]. 19714325015
factors affecting susceptibility of primary cultures of bovine kidney cells to infection with foot-and-mouth disease virus. 19714325246
foot-and-mouth disease virus in cattle and pigs: use of polyethylene glycol or dextran for purifying 19s gamma-m immunoglobulin from sera. 19714325971
[change in the resistance of mice to virus infection (foot-and-mouth-disease virus) after pretreatment with urethane]. 19714326010
the growth and persistence of foot-and-mouth disease virus in the bovine mammary gland.in animals exposed to foot-and-mouth disease virus by indirect contact, virus was recovered from the blood, milk, pharynx, vagina and rectum for variable periods of time before clinical disease was apparent. virus instilled into the mammary gland multiplied rapidly and virus concentrations greater than 10(7) p.f.u./ml. were recorded within 8-32 hr., depending on the virus strain and dose inoculated. virus multiplication was accompanied by clinical signs of mastitis but the classical signs of foo ...19714326249
presence and inactivation of foot-and-mouth disease virus in animal faeces. 19714326537
two-plaque-size variants of foot-and-mouth disease virus differing in neutralization by guinea-pig antisera. 19714326865
[identification of foot-and-mouth disease virus types]. 19714327831
[identification of foot-and-mouth disease virus types]. 19714327832
[serologic and immunologic studies of the subtypes of foot-and-mouth disease virus. influence of booster vaccination]. 19714327833
immune response to foot-and-mouth disease virus. 19714328704
number and molecular weights of foot-and-mouth disease virus capsid proteins and the effects of maleylation.evidence was obtained by gel electrophoresis that foot-and-mouth disease virus (fmdv) type a(12) protein migrates mainly in a zone corresponding to polypeptide(s) approximately 25,000 daltons in molecular weight. additional minor components were observed, four with molecular weights ranging from 10,000 to 22,500 daltons and one with a molecular weight of 37,500 daltons. the minor components comprised about 10% of the total protein and were present in variable amounts. the 75s empty capsids conta ...19714329399
growth of the ib-rs-2 pig kidney cell line in suspension culture and its susceptibility to foot-and-mouth disease virus.the adaptation of the pig kidney cell line ib-rs-2, clone 60, to growth in suspension culture is described. when fully adapted, an approximate threefold increase in viable cells was obtained within 72 hr from initial cell concentrations of 5 x 10(5) per ml in culture volumes up to 1,500 ml. the monolayer cells (99th passage level) used to initiate the suspension cultures and the fully adapted suspension cells were shown to have an aneuploid chromosome karyotype, whereas earlier monolayer culture ...19714329431
detection of foot-and-mouth disease virus antibodies. ii. use of fractionated bovine antisera for improving the specificity of a "passive" hemagglutination test.because 7s immunoglobulin (ig) g antibodies of low type specificity were present in mixtures with highly specific 19s igm antibodies, many bovine antisera to foot-and-mouth disease virus (fmdv) type a(12), strain 119 cross-reacted with type o of fmdv and to some degree with type c in the passive hemagglutination (ha) test. after 19s igm antibodies were separated by density gradient centrifugation or precipitated with 4% (w/v) polyethylene glycol, the antigen could be determined with "block" ha t ...19714329433
foot-and-mouth disease virus carrier state in cells cultured from tissues of convalescent cattle. 19714329436
adsorption characteristics of foot-and-mouth disease virus selected by adsorption with homogenized calf kidney. 19714329439
diethylaminoethyl-dextran requirement for poly i:c-induced interferon effective against foot-and-mouth disease virus in vitro. 19714329635
methods for increasing the susceptibility of primary cultures of porcine kidney cells to infection with foot-and-mouth disease virus. 19714329641
[physical chemical measurement of 140s particles of the foot-and-mouth disease virus]. 19714329751
genetic characteristics of clones from individual cells multiply-infected with different strains of foot-and-mouth disease virus. 19714330350
polynucleotide sequence homologies among the rnas of foot-and-mouth disease virus types a, c and o. 19714331812
relationship of the antigenic structure of foot-and-mouth disease virus to the process of infection. 19714331815
transfer of foot-and-mouth disease virus in the nose of man from infected to non-infected animals. 19714332392
detection and properties of a genomic masked viral particle consisting of foot-and-mouth disease virus nucleic acid in bovine enterovirus protein capsid. 19714332967
[isolation of foot-and-mouth disease virus from bovine semen]. 19714333355
[method of identifying strains of foot-and-mouth disease virus]. 19714333883
[interaction of the foot-and-mouth disease virus with cells]. 19714333885
[structure of the foot-and-mouth disease virus. 1. the buildup of the protein capsule]. 19714104057
further evidence for multiple proteins in the foot-and-mouth disease virus particle. 19714108674
on the architecture of foot-and-mouth disease virus. 19714114966
mouse resistance against foot-and-mouth disease virus induced by injections of pyran.mouse resistance to foot-and-mouth disease virus (fmdv) was induced by intraperitoneal injections of pyran copolymer. a biphasic pattern of protection occurred with greatest resistance 4 and 48 hr after injection of this polyanion. viremia was not detectable in pretreated mice challenge-exposed with fmdv. incubation of virus with pyran did not alter viral infectivity in mice or tissue culture. serum interferon was demonstrated 1 and 2 days after pyran administration.197116557961
electron microscopy of the rna of foot-and-mouth disease virus. 19704192488
immunofluorescent detection of foot-and-mouth disease virus in the esophageal-pharyngeal fluids of inoculated cattle. 19704194347
[ph inactivation of the foot-and-mouth disease virus]. 19704325728
[the effect of deae-dextran on the infectiousness of ribonucleic acid preparations of foot-and-mouth disease virus in various host systems]. 19704325729
temperature-dependent interferon-sensitivity of foot-and-mouth disease virus. 19704322840
effects of temperature on viral rna synthesis and rna polymerase activity in a foot-and-mouth disease virus system. 19704322848
foot-and-mouth disease virus: rapid assay using the fluorescent antibody technique. 19704322849
[identification of the types of foot-and-mouth disease virus]. 19704323105
[identification of the types of foot-and-mouth disease virus]. 19704323109
[identification of the types of foot-and-mouth disease virus. nong-saraï (thailand)]. 19704323110
pathogenicity in mice of foot-and-mouth disease virus selected by adsorption with calf kidney. 19704323284
[structure and properties of foot-and-mouth disease virus (review)]. 19704323894
[antigenic properties of type c foot-and-mouth disease virus]. 19704323896
[peculiarities of a cold variant of foot-and-mouth disease virus (type o)]. 19704324049
properties of temperature-sensitive mutants of the kenya 3/57 strain of foot-and-mouth disease virus. 19704314409
[activated sepharose as immunoadsorbent in the foot-and-mouth disease virus system]. 19704315447
some properties of carrier strains of foot-and-mouth disease virus. 19704315628
the effect of diethylaminoethyl dextran and agar overlay ph on plaque formation by two plaque-size variants of foot-and-mouth disease virus.the effect of diethylaminoethyl (deae) dextran and agar overlay medium ph on a small-plaque (sp) and large-plaque (lp) foot-and-mouth disease virus (fmdv), type a, strain 119 (a119) was studied. the sp virus was inhibited under normal agar overlay but the addition of 100, 1,000 and 2,000 microg deae dextran/ml of agar overlay permitted plaque development. by using untreated and deae dextran-treated agar overlay medium, plaque formation by the sp virus was enhanced when the ph of agar medium was ...19704315769
interferons of foot-and-mouth disease virus: a new assay for interferon. 19704315825
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