Electron Microscopy Studies of Four Strains of Chronic Respiratory Agent

Reagan, Reginald L.; Day, William C.; Brueckner, A. L.

doi:10.3382/ps.0320960

Cited by 9 publications

(9 citation statements)

References 3 publications

(1 reference statement)

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“…Figure 2 is of an erythrocyte containing several X-bodies at some distance from the cell and Figure 3 ence of several bodies on the erythrocyte and at a distance from the erythrocyte. These X-bodies are morphologically similar to those found by Reagan et al (1953) in a previous study made with allantoic material. The virus-like filaments found in the egg material were not demonstrated in this erythrocyte study.…”

Section: Resultssupporting

confidence: 71%

“…The X-bodies in the 12-day bleeding are morphologically similar to those found by Reagan et al (1953) in an electron study of chronic respiratory disease infected egg material.…”

Section: Resultsmentioning

confidence: 62%

“…Electron micrographs of 4 chronic respiratory disease strains were presented by Reagan et al (1953) and demonstrated virus-like filaments measuring in width between 50-60 mn. in 3 of the strains.…”

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confidence: 99%

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Electron Microscopy of Erythrocytes from Chickens Affected with Chronic Respiratory Disease

et al. 1955

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Section: Resultssupporting

confidence: 71%

“…The X-bodies in the 12-day bleeding are morphologically similar to those found by Reagan et al (1953) in an electron study of chronic respiratory disease infected egg material.…”

Section: Resultsmentioning

confidence: 62%

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Electron Microscopy of Erythrocytes from Chickens Affected with Chronic Respiratory Disease

et al. 1955

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“…The gross morphology of Mycoplasma strains isolated from poultry was studied with the aid of an electron microscope by Reagan, Brueckner, and Delaplane (1951), Reagan, Day, and Brueckner (1953), White, Wallace, and Alberts (1954), Morton et al (1954), Morowitz et al (1962), and Shifrine, Pangborn, and Adler (1962). The ultrastructure of AI.…”

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confidence: 99%

GROSS MORPHOLOGY AND ULTRASTRUCTURE OF MYCOPLASMA GALLISEPTICUM

1964

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“…Early electron microscopic studies on members of the Mycoplasmatales (Reagan et al, 1951(Reagan et al, , 1953 In an electron microscopic study Dmochowski £t al. (1964) using the negative staining and thin-sectioning techniques were able to demonstrate Mycoplasma associated with human leu kemia.…”

Section: Ultrastructure Of Mycoplasmamentioning

confidence: 99%

Characterization of a causative agent of virus pneumonia of pigs (VPP)

Maré

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Signature was redacted for privacy.Signature was redacted for privacy.Signature was redacted for privacy. il TABLE OF CONTENTS Page SUMMARY 211 LITERATURE CITED 214 ACKNOWLEDGMENTS 228 susceptible pigs with material filtered through Gradocal mem branes of 0,8fj. APD, but not with 0,^6jx APD membrane fil trates, Macroscopic pneumonic lesions were present on the twelfth day postinoculation. Tney failed to propagate the infectious agent in the allantoic cavity or on the chorio allantoic membrane of embryonated hen's eggs, and they could not infect mice or ferrets with the agent. They recognized that their disease resembled the chronic pneumonia described by Fullar (1948, 1949a, 1949b) in Australia, and called tne disease by the name suggested by him, namely "Infectious Pneumonia of Pigs." The emphasis in this review will be on the attempts at propagation and characterization of the causative agent of virus pneumonia of pigs since excellent reviews by Betts (1953), Hjârre (1957), L'Ecuyer et al. (196I), L'Ecuyer (1962) and Young (1964a, 1964b) adequately cover the historical, geo graphic and economic aspects of the disease. L'Ecuyer (1962), in a very comprehensive review of the literature pertaining to pneumonia in swine, discussed the emergence of virus pneumonia of pigs as a recognizable entity, differing from swine influenza on clinical, pathological and etiological basis. He also presented a detailed discussion of the role of a number of bacterial species and Mycoplasma hyorhinls as primary or secondary pathogens in swine pneumonia.

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Electron Microscopy Studies of Four Strains of Chronic Respiratory Agent

Cited by 9 publications

References 3 publications

Electron Microscopy of Erythrocytes from Chickens Affected with Chronic Respiratory Disease

Electron Microscopy of Erythrocytes from Chickens Affected with Chronic Respiratory Disease

GROSS MORPHOLOGY AND ULTRASTRUCTURE OF MYCOPLASMA GALLISEPTICUM

Characterization of a causative agent of virus pneumonia of pigs (VPP)

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