The invasion and growth ofBabesia bovis in tick tissue culture

1979 ◽  
Vol 35 (6) ◽  
pp. 752-753 ◽  
Author(s):  
U. K. M. Bhat ◽  
D. F. Mahoney ◽  
I. G. Wright
Keyword(s):  

Author(s):  
M.G.R. Varma ◽  
Miss W. Wallers
Keyword(s):  


1965 ◽  
Vol 51 (4) ◽  
pp. 686 ◽  
Author(s):  
Conrad E. Yunker ◽  
Jack Cory
Keyword(s):  


1969 ◽  
Vol 15 (8) ◽  
pp. 1431-1436 ◽  
Author(s):  
J. Rehacek ◽  
H.W. Brzostowski


Author(s):  
J. Řeháček
Keyword(s):  


Author(s):  
Adrian F. van Dellen

The morphologic pathologist may require information on the ultrastructure of a non-specific lesion seen under the light microscope before he can make a specific determination. Such lesions, when caused by infectious disease agents, may be sparsely distributed in any organ system. Tissue culture systems, too, may only have widely dispersed foci suitable for ultrastructural study. In these situations, when only a few, small foci in large tissue areas are useful for electron microscopy, it is advantageous to employ a methodology which rapidly selects a single tissue focus that is expected to yield beneficial ultrastructural data from amongst the surrounding tissue. This is in essence what "LIFTING" accomplishes. We have developed LIFTING to a high degree of accuracy and repeatability utilizing the Microlift (Fig 1), and have successfully applied it to tissue culture monolayers, histologic paraffin sections, and tissue blocks with large surface areas that had been initially fixed for either light or electron microscopy.



Author(s):  
L. Z. de Tkaczevski ◽  
E. de Harven ◽  
C. Friend

Despite extensive studies, the correlation between the morphology and pathogenicity of murine leukemia viruses (MLV) has not yet been clarified. The virus particles found in the plasma of leukemic mice belong to 2 distinct groups, 1 or 2% of them being enveloped A particles and the vast majority being of type C. It is generally believed that these 2 types of particles represent different phases in the development of the same virus. Particles of type A have been thought to be an earlier form of type C particles. One of the tissue culture lines established from Friend leukemia solid tumors has provided the material for the present study. The supernatant fluid of the line designated C-1A contains an almost pure population of A particles as illustrated in Figure 1. The ratio is, therefore, the reverse of what is unvariably observed in the plasma of leukemic mice where C particles predominate.



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