Alignment of miR-29a-5p with positions 1188-1209 of the Sp-10-7-54-13 sequence and all PCV2 available sequences in the EMBL database. A representative of each sequence is included in the alignment. The number of isolates with the same sequence is shown. The derived amino acid (aa position 173) from nucleotide change at position 1202 is indicated. aU has been replaced by T to facilitate the understanding of the figure. bNo viral sequence was found in the database with this sequence.