Physiology Department MSM

Leitch, G.J. Scanlon, M., Shaw, A.and Visvesvara, G.S. Modification of the cytoskeleton in Encephalitozoon-infected cells. J. Euk. Microbiol. 46:36S-37S, 1999.

Leitch, G.J. and He, Q. Reactive nitrogen and reactive oxygen species ameliorate experimental cryptosporidiosis in the neonatal BALB/c mouse model. Infect. Immun. 67:5885-5891, 1999.

Moura, H., Sodre, F.C., Bornay-Llinares, F.J., Leitch, G.J., Navin, T., Wahlquist, S., Bryan, R. and Visvesvara, G.S. Detection by an immunofluorescence test of Encephalitozoon spores in routinely formalin-fixed stool samples stored at room temperature. J. Clin. Microbiol. 37:2317-2322, 1999.

Visvesvara, G.S., Leitch, G.J. and Pieniazek, N.J. Encephalitozoon cuniculi: Light and electron microscopic evidence for di-, tetra-, and octosporous sporogony and a note on the molecular phylogeny of Encephalitozoonidae. J. Euk. Microbiol. 46:110-115, 1999.

Del Aguila, Croppo, G.P., Moura, H., Da Silva, A.J., Leitch, G.J., Moss, D.M., Wallace, S., Slemenda, S.B., Pieniazek, N.J. and Visvesvara, G.S. Ultrastructure, immunofluorescence, western blot, and PCR analysis of eight isolates of Encephalitozoon (Septata) intestinalis established in culture from sputum and urine samples and duodenal aspirates of five patients with AIDS. J. Clin. Microbiol. 36:1201-1208, 1998.

Croppo, G.P., Visvesvara, G.S., Leitch, G.J., Wallace, S. and Schwartz, D.A. Identification of the microsporidian Encephalitozoon hellem using immunoglobulin G monoclonal antibodies. Arch Pathol. Lab. Med. 122:182-186, 1998.

Croppo, G.P., Visvesvara, G.S., Leitch, G.J., Wallace, S. and De Grotte, M.A. Western blot and immunofluorescence analysis of a human isolate of Encephalitozoon cuniculi established in culture from the urine of a patient with AIDS. J. Parasitol. 83:66‑69, 1997.

Leitch, G.J., Scanlon, M., Shaw, A., Visvesvara, G.S. and Wallace S. Use of a fluorescent probe to assess the activities of candidate agents against intracellular forms of Encephalitozoon microsporidia. Antimicrob. Agents Chemotherap. 41:337‑344, 1997.

Visvesvara, G.S., Leitch, G.J., Wallace, S., Seaba, C., Erdman, D. and Ewing, E.P. Adenovirus masquerading as microsporidia. J. Parasitol. 82:316‑319, 1996.

He, Q., Leitch, G.J., Visvesvara, G.S. and Wallace, S. Effects of nifedipine, metronidazole, and nitric oxide donors on spore germination and cell culture infection of the microsporidia Encephalitozoonhellem and Encephalitozoon intestinalis. Antimicrob. Agents Chemotherap. 40:179‑185, 1996.

Schwartz, D.A., Sobottka, I., Leitch, G.J., Cali, A. and Visvesvara, G.S. Pathology of microsporidiosis. Emerging parasitic infections in patients with acquired immunodeficiency syndrome. Arch. Pathol. Lab. Med. 120:173‑188, 1996.

Visvesvara, G.S., DaSilva, A.J., Croppo, G.P., Pieniazek, N.J., Leitch, G.J., Ferguson, D., DeMoura, H., Wallace, S., Slemenda, S.B., Tyrrell, I., Moore, D.F., Meador, J.: In vitro culture and serologic and molecular identification of Septata intestinalis isolated from urine of a patient with AIDS. J. Clin Microbiol. 33:930‑936, 1995.

Leitch, G.J., Scanlon, M., Visvesvara, G.S. and Wallace, S. Calcium and hydrogen ion concentration in the parasitophorous vacuoles of epithelial cells infected with the microsporidian Encephalitozoon hellem. J. Euk. Microbiol. 42:445‑451, 1995.

Visvesvara, G.S., Leitch, G.J., Pieniazek, N.J., DeSilva, A.J., Wallace, S., Slemenda, S.B., Weber, R., Schwartz, D.A., Gorelkin, L., Wilcox, C.M. and Bryan, R.T. Short‑term in vitro culture and molecular analysis of the microsporidian Enterocytozoon bieneusi. J. Euk. Microbiol. 42:506‑510, 1995.

De Groot, M.A., Visvesvara, G.S., Wilson, M.L., Pieniazek, N.J., Slomeda, S.B., da Silva, A.J., Leitch, G.J., Bryan, R.T. and Reeves, R. Polymerase chain reaction and culture confirmation of disseminated Encephalitozoon cuniculi in a patient with AIDS: Successful therapy with albendazole. J. Infect. Dis. 171:1375‑1378, 1995.