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MULTILOCUS ENZYME ELECTROPHORESIS AND CYTOCHROME B GENE SEQUENCING–BASED IDENTIFICATION OF LEISHMANIA ISOLATES FROM DIFFERENT FOCI OF CUTANEOUS LEISHMANIASIS IN PAKISTAN

JORGE D. MARCODepartment of Parasitology, Kochi Medical School, Kochi University, Kochi, Japan; Instituto de Patología Experimental, Facultad de Ciencias de la Salud, Universidad Nacional de Salta/Consejo Nacional de Investigaciones Científicas y Técnicas, Salta, Argentina; Department of Dermatology and Incharge Leprosy Unit, Chandka Medical College/Hospital Larkana, Sindh, Pakistan; Department of Veterinary Hygiene, Faculty of Agriculture, Yamaguchi University, Yamaguchi, Japan; Department of Dermatology, Faculty of Medicine, University of the Ryukyus, Okinawa, Japan; Laboratory of Parasitology, Department of Disease Control, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan

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ABDUL M. BHUTTODepartment of Parasitology, Kochi Medical School, Kochi University, Kochi, Japan; Instituto de Patología Experimental, Facultad de Ciencias de la Salud, Universidad Nacional de Salta/Consejo Nacional de Investigaciones Científicas y Técnicas, Salta, Argentina; Department of Dermatology and Incharge Leprosy Unit, Chandka Medical College/Hospital Larkana, Sindh, Pakistan; Department of Veterinary Hygiene, Faculty of Agriculture, Yamaguchi University, Yamaguchi, Japan; Department of Dermatology, Faculty of Medicine, University of the Ryukyus, Okinawa, Japan; Laboratory of Parasitology, Department of Disease Control, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan

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FAROOQ R. SOOMRODepartment of Parasitology, Kochi Medical School, Kochi University, Kochi, Japan; Instituto de Patología Experimental, Facultad de Ciencias de la Salud, Universidad Nacional de Salta/Consejo Nacional de Investigaciones Científicas y Técnicas, Salta, Argentina; Department of Dermatology and Incharge Leprosy Unit, Chandka Medical College/Hospital Larkana, Sindh, Pakistan; Department of Veterinary Hygiene, Faculty of Agriculture, Yamaguchi University, Yamaguchi, Japan; Department of Dermatology, Faculty of Medicine, University of the Ryukyus, Okinawa, Japan; Laboratory of Parasitology, Department of Disease Control, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan

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JAVED H. BALOCHDepartment of Parasitology, Kochi Medical School, Kochi University, Kochi, Japan; Instituto de Patología Experimental, Facultad de Ciencias de la Salud, Universidad Nacional de Salta/Consejo Nacional de Investigaciones Científicas y Técnicas, Salta, Argentina; Department of Dermatology and Incharge Leprosy Unit, Chandka Medical College/Hospital Larkana, Sindh, Pakistan; Department of Veterinary Hygiene, Faculty of Agriculture, Yamaguchi University, Yamaguchi, Japan; Department of Dermatology, Faculty of Medicine, University of the Ryukyus, Okinawa, Japan; Laboratory of Parasitology, Department of Disease Control, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan

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PAOLA A. BARROSODepartment of Parasitology, Kochi Medical School, Kochi University, Kochi, Japan; Instituto de Patología Experimental, Facultad de Ciencias de la Salud, Universidad Nacional de Salta/Consejo Nacional de Investigaciones Científicas y Técnicas, Salta, Argentina; Department of Dermatology and Incharge Leprosy Unit, Chandka Medical College/Hospital Larkana, Sindh, Pakistan; Department of Veterinary Hygiene, Faculty of Agriculture, Yamaguchi University, Yamaguchi, Japan; Department of Dermatology, Faculty of Medicine, University of the Ryukyus, Okinawa, Japan; Laboratory of Parasitology, Department of Disease Control, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan

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HIROTOMO KATODepartment of Parasitology, Kochi Medical School, Kochi University, Kochi, Japan; Instituto de Patología Experimental, Facultad de Ciencias de la Salud, Universidad Nacional de Salta/Consejo Nacional de Investigaciones Científicas y Técnicas, Salta, Argentina; Department of Dermatology and Incharge Leprosy Unit, Chandka Medical College/Hospital Larkana, Sindh, Pakistan; Department of Veterinary Hygiene, Faculty of Agriculture, Yamaguchi University, Yamaguchi, Japan; Department of Dermatology, Faculty of Medicine, University of the Ryukyus, Okinawa, Japan; Laboratory of Parasitology, Department of Disease Control, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan

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HIROSHI UEZATODepartment of Parasitology, Kochi Medical School, Kochi University, Kochi, Japan; Instituto de Patología Experimental, Facultad de Ciencias de la Salud, Universidad Nacional de Salta/Consejo Nacional de Investigaciones Científicas y Técnicas, Salta, Argentina; Department of Dermatology and Incharge Leprosy Unit, Chandka Medical College/Hospital Larkana, Sindh, Pakistan; Department of Veterinary Hygiene, Faculty of Agriculture, Yamaguchi University, Yamaguchi, Japan; Department of Dermatology, Faculty of Medicine, University of the Ryukyus, Okinawa, Japan; Laboratory of Parasitology, Department of Disease Control, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan

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KEN KATAKURADepartment of Parasitology, Kochi Medical School, Kochi University, Kochi, Japan; Instituto de Patología Experimental, Facultad de Ciencias de la Salud, Universidad Nacional de Salta/Consejo Nacional de Investigaciones Científicas y Técnicas, Salta, Argentina; Department of Dermatology and Incharge Leprosy Unit, Chandka Medical College/Hospital Larkana, Sindh, Pakistan; Department of Veterinary Hygiene, Faculty of Agriculture, Yamaguchi University, Yamaguchi, Japan; Department of Dermatology, Faculty of Medicine, University of the Ryukyus, Okinawa, Japan; Laboratory of Parasitology, Department of Disease Control, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan

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MASATAKA KORENAGADepartment of Parasitology, Kochi Medical School, Kochi University, Kochi, Japan; Instituto de Patología Experimental, Facultad de Ciencias de la Salud, Universidad Nacional de Salta/Consejo Nacional de Investigaciones Científicas y Técnicas, Salta, Argentina; Department of Dermatology and Incharge Leprosy Unit, Chandka Medical College/Hospital Larkana, Sindh, Pakistan; Department of Veterinary Hygiene, Faculty of Agriculture, Yamaguchi University, Yamaguchi, Japan; Department of Dermatology, Faculty of Medicine, University of the Ryukyus, Okinawa, Japan; Laboratory of Parasitology, Department of Disease Control, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan

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SHIGEO NONAKADepartment of Parasitology, Kochi Medical School, Kochi University, Kochi, Japan; Instituto de Patología Experimental, Facultad de Ciencias de la Salud, Universidad Nacional de Salta/Consejo Nacional de Investigaciones Científicas y Técnicas, Salta, Argentina; Department of Dermatology and Incharge Leprosy Unit, Chandka Medical College/Hospital Larkana, Sindh, Pakistan; Department of Veterinary Hygiene, Faculty of Agriculture, Yamaguchi University, Yamaguchi, Japan; Department of Dermatology, Faculty of Medicine, University of the Ryukyus, Okinawa, Japan; Laboratory of Parasitology, Department of Disease Control, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan

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YOSHIHISA HASHIGUCHIDepartment of Parasitology, Kochi Medical School, Kochi University, Kochi, Japan; Instituto de Patología Experimental, Facultad de Ciencias de la Salud, Universidad Nacional de Salta/Consejo Nacional de Investigaciones Científicas y Técnicas, Salta, Argentina; Department of Dermatology and Incharge Leprosy Unit, Chandka Medical College/Hospital Larkana, Sindh, Pakistan; Department of Veterinary Hygiene, Faculty of Agriculture, Yamaguchi University, Yamaguchi, Japan; Department of Dermatology, Faculty of Medicine, University of the Ryukyus, Okinawa, Japan; Laboratory of Parasitology, Department of Disease Control, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan

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Seventeen Leishmania stocks isolated from cutaneous lesions of Pakistani patients were studied by multilocus enzyme electrophoresis and by polymerase chain reaction amplification and sequencing of the cytochrome b (Cyt b) gene. Eleven stocks that expressed nine zymodemes were assigned to L. (Leishmania) major. All of them were isolated from patients in the lowlands of Larkana district and Sibi city in Sindh and Balochistan provinces, respectively. The remaining six, distributed in two zymodemes (five and one), isolated from the highland of Quetta city, Balochistan, were identified as L. (L.) tropica. The same result at species level was obtained by the Cyt b sequencing for all the stocks examined. No clear-cut association between the clinical features (wet or dry type lesions) and the Leishmania species involved was found. Leishmania (L.) major was highly polymorphic compared with L. (L.) tropica. This difference may be explained by the fact that humans may act as a sole reservoir of L. (L.) tropica in anthroponotic cycles; however, many wild mammals can be reservoirs of L. (L.) major in zoonotic cycles.

Author Notes

Reprint requests: Jorge D. Marco, Department of Parasitology, Kochi Medical School, Kochi University, Kohasu, Oko, Nankoku, Kochi 783-8505, Japan. E-mail: marcojd@med.kochi-ms.ac.jp.
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