Propagation of Infectious Bovine Rhinotracheitis Virus in Monkey Kidney Tissue Culture Cells

Nature ◽  
1963 ◽  
Vol 200 (4904) ◽  
pp. 386-387 ◽  
Author(s):  
HASSAN ROUHANDEH
Virology ◽  
1962 ◽  
Vol 16 (3) ◽  
pp. 325-333 ◽  
Author(s):  
Heather Donald Mayor ◽  
Liane E. Jordan

Author(s):  
S.S. Breese ◽  
J.H. Graves

The formation of crystalline arrays of foot-and-mouth disease virus (FMDV) particles in swine kidney tissue culture cells has been examined in greater detail following the initial report of strain A119 in pig kidney cell line cultures, PK15. In the present experiments, FMDV strains recently isolated from field outbreaks in Argentina (A1, O2 and C3 CANEFA) were inoculated into primary swine kidney tissue cultures and samples at suitable intervals for embedding, sectioning and electron microscopy.The three strains of FMDV were stored at -20°C as the sixth bovine kidney tissue culture passage of original tongue tissue suspension. Immediately prior to use, they were inoculated into bovine kidney cultures and 1 ml of infected cell suspension was used in each swine kidney prescription bottle. After l/2 hr incubation at 37°C, 5 to 10 ml of maintenance medium was added and the bottles stored at 37°C. At intervals of 90 min, 3, 4, 5 and 6 hr after inoculation, bottles were processed for electron microscopy. Fluids were removed and the cells gently scraped from the glass into a few ml of Sorenson’s buffer at pH 7.2. Fixation was in 1% glutaraldehyde followed by 2% osmium tetroxide, dehydration, and embedment in epon. Sections were examined in an RCA-EMU-3-G microscope.


Author(s):  
A. M. Watrach

During a study of the development of infectious laryngotracheitis (LT) virus in tissue culture cells, unusual tubular formations were found in the cytoplasm of a small proportion of the affected cells. It is the purpose of this report to describe the morphologic characteristics of the tubules and to discuss their possible association with the development of virus.The source and maintenance of the strain of LT virus have been described. Prior to this study, the virus was passed several times in chicken embryo kidney (CEK) tissue culture cells.


Author(s):  
Heide Schatten ◽  
Neidhard Paweletz ◽  
Ron Balczon

To study the role of sulfhydryl group formation during cell cycle progression, mammalian tissue culture cells (PTK2) were exposed to 100¼M 2-mercaptoethanol for 2 to 6 h during their exponential phase of growth. The effects of 2-mercaptoethanol on centrosomes, chromosomes, microtubules, membranes and intermediate filaments were analyzed by transmission electron microscopy (TEM) and by immunofluorescence microscopy (IFM) methods using a human autoimmune antibody directed against centrosomes (SPJ), and a mouse monoclonal antibody directed against tubulin (E7). Chromosomes were affected most by this treatment: premature chromosome condensation was detected in interphase nuclei, and the structure in mitotic chromosomes was altered compared to control cells. This would support previous findings in dividing sea urchin cells in which chromosomes are arrested at metaphase while the centrosome splitting cycle continues. It might also support findings that certairt-sulfhydryl-blocking agents block cyclin destruction. The organization of the microtubule network was scattered probably due to a looser organization of centrosomal material at the interphase centers and at the mitotic poles.


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