according to the manufacturer's instructions in-
cluding treatment with DNase. This cDNA was used as template for PCR
amplification with appropriate primers: F-TAGGACCCCACTGCTACTCA
CAA, R-TGCCGTCCGTCCACTGACC specific to the PsaD 5′ and 3′ UTR cov-
ering the full PsaD–ble cassette sequence.