Fig. 3

The retrieve of VHH mRNA and the DNA after each round of nested PCR. Lane M DNA marker; lane 1 the PCR products in the second nested PCR; lane 2 the PCR products in the first nest PCR; lane 3 the extracted mRNAs from the leukocytes
The retrieve of VHH mRNA and the DNA after each round of nested PCR. Lane M DNA marker; lane 1 the PCR products in the second nested PCR; lane 2 the PCR products in the first nest PCR; lane 3 the extracted mRNAs from the leukocytes