Fig. 4From: First molecular identification and phylogenetic illustration of Sarcocystis species infection in Red Sea shortfin mako shark (Isurus oxyrinchus Rafinesque, 1810)Electrophoresis of PCR product of 18S rRNA gene showing bands detected at 600Â bp region belonged Sarcocyst spp. The figure shows the result of one representative sample. L, DNA ladder (1Â kb); Lanes 1, shark samples macroscopic cyst; P, Positive control; N, negative controlBack to article page