Ultrastructural changes in avian Chlamydia psittaci serovar A-, B-, and D-infected Buffalo Green Monkey cells.

Infection and Immunity
Daisy VanrompayF Haesebrouck

Abstract

In order to find an explanation for the observed differences in levels of pathogenicity in turkeys of Chlamydia psittaci 84/55 (avian serovar A), 89/1326 (avian serovar B), 92/1293 (avian serovar D), and the Texas Turkey strain (avian serovar D) (P.B. Wyrick, J. Choong, S.T. Knight, D. Goyeau, E.S. Stuart, and A.B. MacDonald, Immunol. Infect. Dis. 4:131-141, 1994), the reproductive cycles of organisms of the four strains were studied in Buffalo Green Monkey cells by transmission electron microscopy, immunoelectron microscopy, and flow cytometry. Organisms of strains most pathogenic in turkeys, namely, the serovar A strain and the 92/1293 serovar D strain, (i) replicated faster, since at 50 h postinoculation significantly larger inclusions with more numerous infectious organisms were observed than with the less pathogenic strains; (ii) were often found devoid of inclusion membranes scattered throughout the cytoplasms; and (iii) induced severe degenerative changes in Buffalo Green Monkey cells. By immunoelectron microscopy and flow cytometry, chlamydial antigens could not be detected in the plasma membranes of infected host cells. However, the presence of chlamydial antigens in inclusion membranes was demonstrated by immunoelectr...Continue Reading

References

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Citations

Jul 11, 2007·Veterinary Research·Delphine Sylvie Anne BeeckmanDaisy C G Vanrompay
Sep 8, 1998·FEMS Microbiology Reviews·C Escalante-OchoaF Haesebrouck
Jul 20, 2000·Journal of Veterinary Medicine. B, Infectious Diseases and Veterinary Public Health·C Escalante-OchoaF Haesebrouck
Feb 16, 2008·Veterinary Research·Delphine Sylvie Anne BeeckmanDaisy C G Vanrompay
Nov 9, 2012·Critical Reviews in Microbiology·Delphine S BeeckmanDaisy Vanrompay
Oct 28, 2019·Frontiers in Microbiology·Arlieke GitselsDaisy Vanrompay
Sep 25, 1999·Infection and Immunity·C Escalante-OchoaF Haesebrouck
Mar 13, 2010·Developmental and Comparative Immunology·Delphine Sylvie Anne BeeckmanDaisy C G Vanrompay

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