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replication of sindbis virus. i. relative size and genetic content of 26 s and 49 s rna. 19724675142
replication of sindbis virus. ii. multiple forms of double-stranded rna isolated from infected cells. 19724675143
demonstration of an adenovirus-inhibitory factor in adenovirus-induced hamster tumor cells. 19724564527
[molecular biological characteristics of arbovirus macromolecules and their biosynthesis]. 19724566001
[behavior of microsomal mannosyl-transferases in cells carrying an arbovirus infection]. 19724622409
[monocatenary ribonucleic acids of an arbovirus of group a: sindbis virus]. 19724622410
comparisons of togaviruses: sindbis virus (group a) and kunjin virus (group b). 19724625020
[replication intermediaries in ribonucleic acid synthesis of group a togavirus]. 19724655816
elimination of repeated clot formation in mouse ascitic fluid containing arbovirus antibodies.repeated clot formation in mouse ascitic fluids containing antiviral antibody was eliminated by acid precipitation of the fibrinogen.19724672320
some characteristics of lower molecular weight arbovirus rna's. 19724636723
[polymyositis and virus]. 19724333473
effect of concanavalin a on cells infected with enveloped rna viruses. 19724334774
growth of newcastle disease and herpes virus and interferon production in a monkey-mouse hybrid line. 19724334778
inhibition of virus growth by ouabain: effect of ouabain on the growth of hvj in chick embryo cells.the effect of ouabain (g-strophanthin), a cardiac glycoside, on the growth of several enveloped viruses was examined. it was found that the growth of hvj (sendai virus) in chick embryo cells was markedly inhibited by the drug at a concentration as low as 5 x 10(-5)m. a virus-inhibitory concentration of ouabain did not cause morphological changes in uninfected cells, nor did it have the capacity to inactivate virus infectivity. ouabain interfered with the intracellular synthesis of viral macromol ...19724335518
general characteristics of enhanced plague formation by poliovirus in poxvirus-infected cells. 19724336518
inhibition of the multiplication of enveloped rna-viruses by glucosamine and 2-deoxy-d-glucose. 19724336520
evaluation of gentamicin for use in virology and tissue culture.data are presented comparing gentamicin to penicillin and streptomycin (pen-strep) in tissue culture medium with respect to a number of parameters associated with virology and tissue culture. unlike pen-strep, gentamicin was stable at ph 2 to 10 for 15 days at 37 c in tissue culture medium, and its activity was unaffected by the presence of serum. moreover, it was stable to autoclaving. twenty cell types replicated normally at the suggested concentration of 50 mug/ml, and all cells were unaffect ...19724336661
inhibition of cytomegalovirus by rifampin. 19724336860
production of crude human interferon with high specific activity. 19724338797
a simple interferon assay as an adjunct for determining the genus of origin of cell cultures. 19724346259
[detection of antibodies to a series of arboviruses of groups a, b and bunyamwera on the territory of the georgian ssr]. 19724260426
a case of sindbis virus infection in kuala lumpur. 19724268041
[antibodies against arboviruses in starlings (sturnus vulgaris l.) in austria]. 19724145101
age-dependent resistance to viral encephalitis: studies of infections due to sindbis virus in mice. 19724552644
arbovirus diseases. 19724562676
studies on arbovirus haemagglutinin: differential inhibition of haemagglutinin formation by 6-azauridine and uridine kinase-containing cell-free extract. 19724402254
protein-lipid interactions. 19724592575
unusual molecular size of rna from a long-rod mutant of vesicular stomatitis virus. 19724333570
correlation of messenger rna function with adenylate-rich segments in the genomes of single-stranded rna viruses.oligonucleotides enriched in adenylate residues have been demonstrated in the genomes of two positive-strand rna viruses, sindbis and columbia sk. such oligonucleotides were not found in the genome of vesicular stomatitis virus, a negative-strand virus. the adenylate-rich oligonucleotides from sindbis and columbia sk viruses appeared similar when analyzed by zonal sedimentation in sucrose-sodium dodecyl sulfate.19724338595
improved assays for a variety of interferons. 1. 19724341554
variations in interferon production by lymphocytes from patients with chronic lymphatic leukaemia.in a group of patients with chronic lymphatic leukaemia leucocyte cultures showed a diminished capacity to synthesize interferon when compared with controls. the leucocyte culture with the lowest capacity to synthesize interferon came from the patients with the highest peripheral blood lymphocyte counts and vice versa. these results are presented as indirect evidence that t lymphocytes are more competent producers of interferon than b lymphocytes.19724343746
presence of poly (a) in the polyribosome-associated rna of sindbis-infected bhk cells. 19724505424
structural and immunologic characteristics of subviral components of sindbis, eastern equine and western equine encephalitis viruses. 19724212354
influence of pure virus infection on wound healing. 19724366234
arbovirus activity in israel. 19724404595
[use of sindbis virus as a means of checking complete elimination of unspecific inhibitors in the rubella hemagglutination inhibition test (author's transl)]. 19724377637
selective association of sindbis virion proteins with different membrane fractions of infected cells.plasma and smooth membranes obtained from chicken embryo cells infected with sindbis virus were solubilized and subjected to electrophoresis on acrylamide gels. the electrophoretic patterns showed that (i) the major proteins synthesized and associated with plasma membranes from infected cells are virion proteins and (ii) at 4 hr after infection virion proteins are not present at detectable levels in the smooth membranes of the cell.19724337164
enchanced plaque formation by sindbis and vaccinia viruses under methyl-cellulose overlay in the absence of carbon dioxide. 19724401076
biophysical characteristics of sindbis virion components. 19724401079
effects of actinomycin d and ultraviolet and ionizing radiation on pichinde virus.actinomycin d (0.05 mug/ml) suppresses the synthesis of ribosomal rna of baby hamster kidney (bhk21) cells. the production of infectious pichinde virus was enhanced in the presence of actinomycin d, although the production of virus particles was not substantially different from cultures inoculated in the absence of the drug. by prelabeling bhk21 cells with (3)h-uridine and then allowing the virus to replicate in the presence of actinomycin d, it was possible to show that ribosomal rna synthesize ...19734199107
viral infection and resistance in immunosuppressed host. 3. intracerebral challenge with sindbis virus in immunized or interferon inducer given mice. 19734405394
inhibition of murine leukemia virus replication by poly(vinyluracil) and poly(vinyladenine).poly(1-vinyluracil) and poly(9-vinyladenine), as well as the corresponding polynucleotides poly(uridylate) and poly(adenylate), inhibit acute murine leukemia virus infection in mouse-embryo cells, but they do not significantly inhibit the replication of sindbis and vesicular stomatitis viruses. the polymers were most effective as inhibitors when added during an early stage of virus replication. effects of vinyl polymers on the rna-dependent dna polymerase from the virions of murine leukemia viru ...19734123932
glycoproteins as components of cellular membranes. 19734122628
new isothiazole derivatives. ii. cytotoxicity and antiviral activity in tissue cultures. 19734361627
heterologous activity of monkey interferons. 19734355757
electron microscopic study of sindbis virus morphogenesis. 19734348164
role of incomplete viruses and interferon in persistent infection of mouse cells with sindbis virus. 19734358717
studies on antiviral activity of alpha-trihalogenomethylamines. 19734358719
[use of ultrasound for increasing the activity of arbovirus antigens in serological reactions in vitro]. 19734203622
[interaction of virus and lysosome (author's transl)]. 19734596204
replication of sindbis virus. 3. an electron microscopic study of virus maturation using the surface replica technique. 19734585892
analysis of sindbis virus and its soluble antigens in preparations concentrated by precipitation with polyethylene glycol or ammonium sulfate. 19734148115
effects of polyadenylic acids on functions of murine rna tumor viruses.single-stranded polyribonucleotides, which competitively inhibit murine rna tumor virus reverse transcriptase in vitro, were tested as inhibitors of various virus functions in cell culture. the compounds had two concentration-dependent effects. at high concentrations (100 mug/ml), both poly(adenylic acid) [poly(a)] and poly(2'-o-methyladenylic acid) [poly(am)] inhibited the uptake of radioactively labeled leukemia virus by swiss mouse embryo cells, but neither had a similar effect on sindbis vir ...19734128377
interferon induction by, and antiviral effect of poly (ri)--poly (rc) in experimental viral infection. 19734150030
[survey with human sera from west cameroon (author's transl)]. 19734150072
evidence for circulation of sindbis virus and other arboviruses by using sentinel animals in western slovakia. 19734152182
[changes in the properties of sindbis virus during passage experiments in "drosophila" (author's transl)]. 19734214134
[african zoonoses caused by viruses]. 19734346544
sindbis virus maturation. 19734121292
field studies on the feeding habits of mosquitoes in the highveld region of south africa. 19734151015
[inhibition of multiplication of rna-containing viruses in tissue culture by combined use of an interferon inducer and ribonuclease]. 19734359363
viral interference with exoerythrocytic forms of malaria (plasmodium gallinaceum) in ovo. 19734353044
interference mediated by a variant of sindbis virus. ii. actinomycin d-sensitive interference in the absence of interferon. 19734353045
the cell surface membrane: biochemical aspects and biophysical probes. 19734354315
isolation and characterization of virus-resistant mouse embryo fibroblasts. 19734355331
immunochemical studies of sindbis virus variants. 19734197817
persistent infection of mouse cells with sindbis virus: role of virulence of strains, auto-interfering particles and interferon. 19734356681
inhibition of hog cholera virus by acriflavine. a property shared with bovine virus diarrhoea virus. brief report. 19734356773
characterisation of the 3'-terminus of sindbis virion rna. 19734357110
a novel substituted guanidine with high activity in vitro against rhinoviruses. 19734357165
the effect of frog virus 3 on the biological activity of various rna viruses. 19734357374
isolation of sindbis virus from the reed warbler (acrocephalus scirpaceus) in slovakia. 19734148218
influence of incubation temperaure on interferon mechanism in cells of testudo graeca kidney. 19734148898
[study of chronic forms of arbovirus infections in birds. 1. experiments with west nile, sindbis, bhandja and sicilian mosquito fever viruses]. 19734204261
viral infection and resistance in immunosuppressed host. iv. abolition of potentiated togavirus a infection by a resistance inducer of the double-stranded rna type. failure of an exogenous interferon preparation. 19734148213
morphological variants of sindbis virus obtained from infected mosquito tissue culture cells.tissue-cultured aedes albopictus cells infected with morphologically homogeneous sindbis virus were found to produce progeny virions which could be divided into three classes based on size. the thickness of the envelope was constant on all three sizes of progeny virions suggesting that the variability in size rested with the viral nucleocapsid. it is suggested that the three classes of virions have icosahedral nucleocapsids composed of common subunits organized in decreasing triangulation number ...19734128381
antigenic components of group a arbovirus virions.three group a arboviruses, sindbis (sin), western (wee) and eastern equine encephalitis (eee), were selectively degraded with a nonionic detergent to yield a core particle and a soluble envelope component. antigenic analysis by using radioimmune precipitation techniques revealed marked antigenic similarity among the core particles of the three viruses. the soluble envelope component exhibited antigenic specificity similar to that of intact virions. a close relationship between sin and wee envelo ...19734128825
age-dependent resistance of mice to sindbis virus infection: reticuloendothelial role. 19734762950
a survey for antibodies to arboviruses in domestic fowls in queensland. 19734777213
identification of polysomal rna in bhk cells infected by sindbis virus.polysomes were prepared from sindbis virus-infected bhk cells. the major species of rna in these polysomes was identified as 26s rna (interjacent rna) by (i) disrupting the polysomes with edta; (ii) treating the infected cells with puromycin; and (iii) isolating polysomes from cells infected with a temperature-sensitive mutant that does not form nucleocapsids. small amounts of 42s rna and 33s rna were also found in polysomes.19734633684
induction of an interferon-like substance in persistently infected aedes albopictus cells. 19734735533
[the effect of nucleases on the reproduction of rna- and dna-containing viruses]. 19734363590
virological and immunofluorescent studies on the multiplication of sindbis virus in l cells. 19734583661
immunofluorescent staining study of the salivary glands of mosquitoes infected with group a arboviruses. 19734590688
cellular immune response to viral infection: in vitro studies of lymphocytes from mice infected with sindbis virus. 19734543313
studies of interferon production in aedes albopictus mosquito cells. 19734683227
[comparative study of the thermal inactivation of the hemagglutinating and infectious activity of the venezuelan equine encephalomyelitis virus]. 19734705385
response in measles antibodies of the guinea-pig treated with interferon inductors. 19734709856
on the receptor of influenza viruses. 1. artificial receptor for influenza virus. 19734358675
arbovirus infections of sentinel cattle in australia and new guinea. 19734378391
japanese quail embryo cells as a host of group a arboviruses. 19734541936
biosynthesis of the sindbis virus carbohydrates.the sequence in which sugars are added to the sindbis virus glycoproteins was studied. infected cells contain three glycosylated virus-specific proteins: the two virion glycoproteins and the immediate precursor to the smaller virion glycoprotein. larger sindbis-specific proteins are not glycosylated. the cell-associated forms of both of the virion glycoproteins contain glucosamine, mannose, galactose, and fucose. the glycosylated precursor contains only glucosamine, mannose, and some galactose. ...19734796898
agglutination of sindbis virus and of cells infected with sindbis virus by plant lectins.we have examined the agglutination of sindbis virus and of chick and hamster cells infected with sindbis virus by two of the plant lectins, concanavalin a and ricinus communis agglutinin. both lectins agglutinate the virus by binding to the polysaccharide chains of the envelope glycoproteins. both chick and hamster cells exhibit increased agglutination by the lectins after infection by sindbis virus. in the case of chick cells infected with sindbis virus, this increase in agglutinability occurs ...19734735591
protein synthesis directed by an rna temperature-sensitive mutant of sindbis virus.the structural proteins of wild-type sindbis virus were shown to arise by posttranslational cleavage of larger precursors. the proteins synthesized in wildtype infection were compared with those specified by ts-11, a temperature-sensitive mutant unable to synthesize viral rna at the restrictive temperature. abnormally large, virus-specific proteins were found in the mutant-infected cells after the shift from 28 c to 41.5 c. these large polypeptides were presumably precursors which were cleaved t ...19734734648
a serological survey for viral antibodies in wild ducks. 19734736770
relation between ionic coupling and morphology of established cells in culture. 19734798836
homologous viral interference in aedes albopictus cultures chronically infected with sindbis virus.complete homologous interference is demonstrated in cultures of aedes albopictus cells chronically infected with sindbis virus. the interference occurred before there was any detectable rna synthesis by the superinfecting virus.19734735592
defective-interfering particles of sindbis virus. i. isolation and some chemical and biological properties. 19734735935
[the biophysical characteristics of viral structures in chronic sindbis infection]. 19734799466
enzymatic iodination of sindbis virus proteins.sindbis virus was iodinated by using the enzyme lactoperoxidase, an iodination technique which labels only surface proteins. by this technique, the two viral glycoproteins are labeled, and the internal viral protein is not. the two glycoproteins are iodinated to strikingly different extents. this difference in susceptibility to iodination apparently is due to the position or conformation of the glycoproteins in the envelope spikes of the virion and not to differing contents of tyrosine, the amin ...19734736110
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