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PML multimerizes and is de-SUMOylated in response to different pore-forming toxins and to Listeria infection. (A and B) Immunoblot analysis under reducing (+DTT) or nonreducing (-DTT) conditions, using anti-PML and anti-actin antibodies, of whole-cell lysates from CHO-PML cells treated for 20 min with different pore-forming toxins (A) or infected for 5 h with wild-type or Δhly Listeria (B).
