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. 2020 Sep 19;250:108853. doi: 10.1016/j.vetmic.2020.108853

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Fig. 1 — The PDCoV Shanghai strain cross-sepecises infection in vitro. (A) Phylogeny reconstructed using 32 PDCoV and 1 bird deltacoronavirus (HKU17-6124) genomes, or (B) the amino acid of 32 PDCoV S protein by the MEGA7 software with the neabor-jioning algorithm. Strains in red regions were from China. Strains in blue regions were from Thailand and Laos. (C) IFA identification of PDCoV with the PDCoV-N antibody in uninfected or infected cells, including porcine (LLC-PK1, PK-15, IPEC-J2, 3D4/21), chicken (DF-1) and human (HEK293 T) cell lines.