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. 2001 Mar;75(6):2771–2775. doi: 10.1128/JVI.75.6.2771-2775.2001

TABLE 5.

Copy number, expression, and transmission of the various PERV groups

PERV group Copy no. range Expression in:
Porcine kidney tissue PK15 cells 293 cellsa 293/PERV- PK15a
β1 8–16
β2 4–8
β3 16–32
β4 2–4 +
γ1 32–64 + + +
γ2 16–32 +
γ3 4–8
γ4 4–8
γ5 2–4
a

Human embryonic kidney cells uninfected (293 cells) and infected with PERV released from PK15 cells.