Fig. 4.

Effect of polyadenylation on in vitro replication mediated by WYMV NIb. 3 U indicates 3′ UTR of WYMV RNA1 (GenBank: AF067124) , 3 U•15A and 3 U•30A indicate 3′ UTR of WYMV RNA1 (GenBank: AF067124) with 15 adenylates or 30 adenylates, 3′ indicates 3′ terminal 192 nt fragment of WYMV RNA2 (GenBank: AF041041), 3′•15A and 3′•30A indicate 3′ terminal 192 nt fragment of WYMV RNA2 (GenBank: AF041041) with 15 adenylates or 30 adenylates