Cell Culture and Electron Microscopy for Identifying Viruses in Diseases of Unknown Cause
Cynthia S. Goldsmith
, Thomas G. Ksiazek, Pierre E. Rollin, James A. Comer, William L. Nicholson, Teresa C.T. Peret, Dean D. Erdman, William J. Bellini, Brian H. Harcourt, Paul A. Rota, Julu Bhatnagar, Michael D. Bowen, Bobbie R. Erickson, Laura K. McMullan, Stuart T. Nichol, Wun-Ju Shieh, Christopher D. Paddock, and Sherif R. Zaki
Author affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (C.S. Goldsmith, P.E. Rollin, J.A. Comer, W.L. Nicholson, T.C.T. Peret, D.D. Erdman, W.J. Bellini, B.H. Harcourt, P.A. Rota, J. Bhatnagar, M.D. Bowen, B.R. Erickson, L.K. McMullan, S.T. Nichol, W.-J. Shieh, C.D. Paddock, S.R. Zaki); University of Texas Medical Branch, Galveston, Texas, USA (T.G. Ksiazek)
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Figure 1
Figure 1. . . A) Cell culture isolate of severe acute respiratory syndrome coronavirus, in which virions are seen in the cisternae of the budding compartment (arrow). Also present are an inclusion of viral nucleocapsids (arrowhead) and double-membrane vesicles (asterisk). Scale bar = 100 nm. B) Coronavirus particles in cytoplasmic vesicles that appear to migrate to the cell surface. Virions are seen lining the cell membrane (arrow), a characteristic feature of this virus. Scale bar = 500 nm. C) Large, pleomorphic, extracellular Nipah virus particles (arrow), in which the viral envelope encloses the nucleocapsids. Scale bar = 500 nm. D) Nipah virus nucleocapsids (arrow) aggregate in the cytoplasm and become tightly apposed to the cell membrane as the virus begins the process of budding. Scale bar = 100 nm.
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