| ultrastructure and molecular phylogenetics of a new isolate of pleistophora pagri sp. nov. (microsporidia, pleistophoridae) from pagrus pagrus in egypt. | the spore morphology and molecular systematic of a new microsporidian which was isolated from the common sea bream pagrus pagrus (f: sparidae linnaeus, 1758) from the red sea, egypt have been studied. fifty-six out of 300 (18.7%) of this fish were infected with microsporidian parasites. the infection was appeared as whitish, ellipsoid, round, or elongated nodules embedded in the epithelial lining of the peritoneum and also in the intestinal epithelium. light microscopic study revealed that nodul ... | 2012 | 22773009 |