Fig. 3From: Lethal infection caused by Tetratrichomonas gallinarum in black swans (Cygnus atratus)Partial sequence amplification based on 18S rRNA gene and ITS1–5.8S rRNA-ITS2 gene. Lane 1–5, PCR products of18S rRNA gene. Lane 7–11, PCR products of ITS1–5.8S rRNA-ITS2 gene. Lane 6 and 12 were negative control. M, markerBack to article page