The insect cells UFL-Ag-286 [43 (link)] were grown at 27 °C in GRACE’s medium (Invitrogen, Carlsbad, CA, USA) containing 10% v/v fetal bovine serum (FBS; GBO, Kremsmünster, Austria) and supplied with antibiotics and antimycotics (Invitrogen). Initial stocks of AgMNPV-2D [44 (link),45 (link)] were multiplied in Anticarsia gemmatalis (third instar larvae) by per os infection using OBs, and by the exposition of monolayers of UFL-Ag-286 cells with BVs in plastic tissue culture flasks. The virus stocks used in all experiments were tittered by plaque assay [46 (link)] in UFL-Ag-286 cells and maintained as culture supernatants.
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