Fig. 1From: A novel strategy to attenuate porcine reproductive and respiratory syndrome virus by inhibiting viral replication in the target pulmonary alveolar macrophages via hematopoietic-specific miR-142The strategy for the construction of full-length cDNA clones. The numbers refer to nucleotide positions within the genome of JXwn06. Capital letters (A, B) represent two fragments of the JXwn06 genome according to the unique restriction enzyme cleavage sites in viral cDNABack to article page