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Volume 26, Number 9—September 2020
Research

Isolation, Sequence, Infectivity, and Replication Kinetics of Severe Acute Respiratory Syndrome Coronavirus 2

Arinjay Banerjee, Jalees A. Nasir1, Patrick Budylowski1, Lily Yip, Patryk Aftanas, Natasha Christie, Ayoob Ghalami, Kaushal Baid, Amogelang R. Raphenya, Jeremy A. Hirota, Matthew S. Miller, Allison J. McGeer, Mario Ostrowski, Robert A. Kozak1, Andrew G. McArthur, Karen MossmanComments to Author , and Samira Mubareka
Author affiliations: McMaster University, Hamilton, Ontario, Canada (A. Banerjee, J.A. Nasir, K. Baid, A.R. Raphenya, J.A. Hirota, M.S. Miller, A.G. McArthur, K. Mossman); University of Toronto, Toronto, Ontario, Canada (P. Budylowski, N. Christie, A. Ghalami, A.J. McGeer, M. Ostrowski, R.A. Kozak, S. Mubareka); Sunnybrook Research Institute, Toronto (L. Yip, P. Aftanas, R.A. Kozak, S. Mubareka); Mount Sinai Hospital, Toronto (A.J. McGeer)

Main Article

Figure 4

Electron micrographs of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)–infecting cells. To detect coronavirus-like particles in experimentally infected human structural and immune cells, we infected a range of cells with SARS-CoV-2 at a multiplicity of infection of 0.01 for 48 h. The cells were fixed, processed, and imaged by using a transmission electron microscope (10 fields/cell type). A representative image of each cell type is shown. Virus-like particles are indicated by red a

Figure 4. Electron micrographs of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)–infecting cells. To detect coronavirus-like particles in experimentally infected human structural and immune cells, we infected a range of cells with SARS-CoV-2 at a multiplicity of infection of 0.01 for 48 h. The cells were fixed, processed, and imaged by using a transmission electron microscope (10 fields/cell type). A representative image of each cell type is shown. Virus-like particles are indicated by red arrows. A) Vero E6 cells. B) Calu-3 cells. C) CD4+ PBMCs. D) CD8+ PBMCs. E) CD19+ PBMCs. F) Monocytes from PBMCs. G) Other cells from PBMCs (CD4–, CD8–, CD19– cell populations). H) THP-1 monocyte. I) THP-1-derived macrophage. J) THP-1-derived dendritic cell. PBMC, peripheral blood mononuclear cell. Scale bars indicate 200 nm.

Main Article

1These authors contributed equally to this article.

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