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spherules and ibv.infectious bronchitis virus (ibv) is an economically important virus infecting chickens, causing large losses to the poultry industry globally. while vaccines are available, there is a requirement for novel vaccine strategies due to high strain variation and poor cross-protection. this requires a more detailed understanding of virus-host cell interactions to identify candidates for targeted virus attenuation. one key area of research in the positive sense rna virus field, due to its central role ...025482229
development and characterization of neutralizing monoclonal antibodies against the s1 subunit protein of qx-like avian infectious bronchitis virus strain sczy3.infectious bronchitis (ib) is a highly contagious disease in chickens caused by infectious bronchitis virus (ibv). the present study was carried out with the aim to develop anti-spike 1 (s1) subunit monoclonal antibodies (mabs) that could react with ibv strains of different genotypes. the high antigenicity region of s1 gene of an qx-like ibv strain sczy3 was amplified and ligated into the prokaryotic expression vector pet-32a(+), and the recombinant his-s1 fusion proteins were expressed and puri ...025723279
demonstration of an interference phenomenon associated with infectious bronchitis virus (ibv) of chickens. 194916561757
demonstration of an interference phenomenon associated with infectious bronchitis virus of chickens. 194918151933
pathology of the chicken embryo infected with infectious bronchitis virus. 195015425747
studies on the diagnosis of newcastle disease and infectious bronchitis. iv. the use of the serum neutralization test in the diagnosis of infectious bronchitis. 195114812846
infectious bronchitis and newcastle disease. 195114821863
newcastle disease and infectious bronchitis neutralizing antibody indexes of normal chicken serum. 195114829765
infectious bronchitis. 195114829767
the persistence of infectious bronchitis virus in eggs and tracheal exudates of infected chickens. 195114849148
interference between influenza virus and infectious bronchitis virus of chickens. 195214938312
electron microscope studies of four strains of infectious bronchitis virus. 195212976644
transmission of the avian infectious bronchitis virus to the cynomolgus monkey. 195413200090
stability of avian infectious bronchitis virus at 56 c. 195613277330
propagation of infectious bronchitis virus in tissue culture. 195613364746
symposium on immunization against infectious bronchitis virus. iii. infectious bronchitis control in chickens. 195713416121
symposium on immunization against infectious bronchitis virus. i. some basic properties of infectious bronchitis virus. 195713444588
antigenic differences among isolates of avian infectious bronchitis virus. 195813559632
influence of age and congenital immunity upon immunization with an avian infectious bronchitis vaccine. 195813563894
hemagglutination by trypsin-modified infectious bronchitis virus. 195913811911
differentiation of quail bronchitis virus and infectious bronchitis virus by heat stability. 196013724630
a study of infectious bronchitis virus before and after resin treatment for separation from a cell-attachment-and-growth factor. 196313932582
infectious bronchitis virus interference with growth of newcastle disease virus. i. study of interference in chicken embryos. 19634966225
serologic differences between the beaudette and massachusetts strains of infectious bronchitis virus. 19634966446
the structure of infectious bronchitis virus. 196414194135
direct and indirect complement-fixation tests for infectious bronchitis virus. 196414266877
some studies of infectious bronchitis virus in cell culture. 196514253989
[method of growth in the chick embryo of the massachusetts and connecticut types of avian infectious bronchitis virus]. 19654955842
[study in the chick embryo of the phenomenon of interference between the massachusetts and connecticut types of infectious bronchitis virus]. 19654956371
[the infectious bronchitis virus in chickens and methods of diagnosis of the disease]. 19654959998
lack of correlation between infectivity, serologic response and challenge results in immunization with an avian infectious bronchitis vaccine. 196514299027
genetic differences among chicken embryos in response to inoculation with an isolate of infectious bronchitis virus. 19664960463
avian infectious bronchitis--virus distribution in tissues of chicks. 19664960464
a comparative study of single and multiple respiratory infections in the chicken: multiple infections (with mycoplasma gallisepticum, newcastle disease virus, and infectious bronchitis virus). 19664961637
immunofluorescence of avian infectious bronchitis virus in primary chicken embryo kidney, liver, lung, and fibroblast cell cultures. 19664966187
[research on the sensitivity of various small birds to avian infectious bronchitis virus]. 19666012003
adaptation of the massachusetts strain of infectious bronchitis virus to turkey embryos. 19676067604
immunity following aerosol exposure to high-embryo-passage avian infectious bronchitis virus. 19676069470
electron microscopy of infectious bronchitis virus. 19676070456
response of chickens inoculated with infectious bronchitis virus to temperature and humidity environments. 19674961988
thermal stability of infectious bronchitis virus in the presence of salt solutions. 19674962422
synergism between avian infectious bronchitis virus and haemophilus gallinarum. 19674962423
infectious bronchitis virus interference with newcastle disease virus in monolayers of chicken kidney cells. 19674964019
titration of avian infectious bronchitis virus in the tissues of experimentally infected chickens. 19674966928
[infectious bronchitis of chickens. iv. characterization of new field strain of ib virus (ibv-10)]. 19675594731
[serological study of the spread in italy of different types of the virus of avian infectious bronchitis]. 19675596592
morphogenesis of avian infectious bronchitis virus and a related human virus (strain 229e).avian infectious bronchitis virus (ibv) and strain 229e, a virus recently recovered from patients with colds, have been shown to possess a similar distinctive morphology in negatively stained preparations. an electron microscopic study of the morphogenesis of ibv in the chorioallantoic membrane and of strain 229e in wi-38 cells was performed. in infected cells, round electron-dense particles 82 mmu in diameter were observed to form by a process of budding from membranes of the endoplasmic reticu ...19675630226
intracellular development of infectious bronchitis virus. 19674167907
growth in suckling-mouse brain of "ibv-like" viruses from patients with upper respiratory tract disease. 19674298953
avian infectious bronchitis. 19676068045
infectious bronchitis in laying fowls. 19684378174
the morphological and biological effects of various antisera on avian infectious bronchitis virus. 19685692879
an interference type of serological test for infectious bronchitis virus using newcastle disease virus. 19685699787
replication and cytopathogenicity of avian infectious bronchitis virus in chicken embryo kidney cells. 19685729633
neutralization of infectious bronchitis virus by human sera. 19685748864
the pathogenicity of an infectious bronchitis virus for laying hens, with observations on pathogenesis. 19685750632
antigenic characterization of infectious bronchitis virus. 19684967045
morphogenosis of avian infectious bronchitis virus in chicken embryo fibroblasts. 19684974938
neurtralising antibodies for avian infectious bronchitis virus in queensland poultry flocks. 19684966718
isolation from man of "avian infectious bronchitis virus-like" viruses (coronaviruses) similar to 229e virus, with some epidemiological observations. 19694976345
neutralizing antibody complex of infectious bronchitis virus. 19695773320
studies on avian infectious bronchitis virus. i. distribution and survival of the virus in tissues of affected chickens and studies on the carrier status. 19695806095
studies on avian infectious bronchitis virus. 2. incidence of the virus in broiler and layer flocks, by isolation and serological methods. 19695806096
the effect of unilateral ureteral ligation on mortality in chickens experimentally infected with nephrosis-inducing infectious bronchitis virus. 19695815412
[comparative studies on the pathogenicity, histo-pathogenesis and immunizing ability of two attenuated strains of avian infectious bronchitis virus]. 19695815857
serologic and immunologic properties of a recent isolate of infectious bronchitis virus. 19695816048
[differentiation of field strains of avian bronchitis virus (ibv)]. 19695817689
titration of infectious bronchitis virus in tracheas of susceptible and immune chickens. 19695818062
avian infectious bronchitis: the protection afforded by an inactivated virus vaccine. 19695388980
effects of avian infectious bronchitis virus (ibv) on tracheal organ cultures. 19695391213
mixed infection with infectious bronchitis virus and mycoplasma gallisepticum in a chicken flock. 19695392003
[observations and research on the immunizing effectiveness of an inactivated vaccine against avian infectious bronchitis]. 19695406594
some characteristics of hemagglutination of certain strains of "ibv-like" virus. 19694310341
intracellular avian infectious bronchitis virus: detection by fluorescent antibody techniques in nonavian kidney cell cultures. 19694897893
differentiation of avian infectious bronchitis virus serotypes by immunofluorescence. 19694902777
the nephrosis-nephritis syndrome in chickens caused by a holte strain of infectious bronchitis virus. 196917421918
the control of avian infectious bronchitis/nephrosis in australia. 19695814107
differentiation and detection of infectious bronchitis virus subtypes by immunofluorescence. 19704907606
avian infectious bronchitis. 19704922142
[detection of the virus of avian infectious bronchitis by the fluorescent antibody technic]. 19704927882
chemical pathology of nephrosis induced by an infectious bronchitis virus. 19705434441
viral susceptibility range of the fathead minnow (pimephales promelas) poikilothermic cell line.the viral susceptibility range of a poikilothermic cell line derived from the fathead minnow (pimephales promelas) (fhm) to infection by a number of homoiothermic viruses representing most of the presently recognized viral groups and a member of the psittacosis-lymphogranuloma-trachoma group of agents was studied. all infectious agents, except poliovirus types 1 and 3, infectious bursal agent, and an avian infectious bronchitis virus (ibv) strain, readily multiplied in the fhm cell culture syste ...19705461163
studies on australian infectious bronchitis virus. iv. apparent farm-to-farm airborne transmission of infectious bronchitis virus. 19705461570
large-quantity production of chicken embryo tracheal organ cultures and use in virus and mycoplasma studies.chicken tracheal organ cultures were made from embryos which were 19 to 20 days old. transversely cut rings of trachea were placed in screw-capped tissue-culture tubes with eagle's-n-2-hydroxyethylpiperazine-n'-2-ethanesulfonic acid (hepes) medium and incubated in roller drums. the method had advantages over other organ culture systems in that these cultures were prepared in numbers similar to conventional tissue cultures, ciliary activity was quickly and accurately evaluated, and contamination ...19705463183
reference collection of strains of avian infectious bronchitis virus. 19705463723
[absence of cross immunity due respectively to connecticut and massachusetts strains of fowl infectious bronchitis virus]. 19705466589
response of chicken vaccinated with live infectious bronchitis virus vaccine to killed newcastle disease vaccine. 19705471578
an electron-microscope study of the trachea of the fowl infected with avian infectious bronchitis virus. 19705505021
[action of benzydamine on chickens infected by intranasal administration of avian infectious bronchitis virus. (preliminary note)]. 19705517452
avian infectious bronchitis in hong kong. 19705530632
purification and further characterization of an "ibv-like" virus (coronavirus). 19704991400
a soluble antigen of infectious bronchitis virus. 19704992074
antibody-neutralized avian infectious bronchitis virus in chicken embryo kidney cells: entry and degradation. 19704992536
direct complement fixation test with avian infectious bronchitis virus in chicken.the direct complement fixation test was performed to follow the antibody response in chickens infected with avian infectious bronchitis virus. concentrated allantoic fluid (4 units) was used as an antigen and allowed to react with serially diluted antiserum in the presence of two complete units of guinea-pig complement for 3 hr. at 4 degrees c. and (1/2) hr. at 37 degrees c. before the addition of sensitized cells. serum was unheated and used either fresh or within one month of storage at -30 de ...19705270203
recovery of infectious bronchitis virus from eggs and chicks produced by experimentally inoculated hens. 19715091661
the site of replication of infectious bronchitis virus in the oviduct of experimentally infected hens. 19715098189
characteristics of an isolate of infectious bronchitis virus from chickens in florida. 19715104155
characterization of a new infectious bronchitis virus isolate. ii. some chemical and physical properties of clark 333. 19715107294
isolation of infectious bronchitis virus from newborn chicks and dead-in-shell embryos. 19715168509
isolation and characteristics of avian nephrosis-inducing infectious bronchitis virus (coronavirus). 19715169458
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