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Description of Leishmania equatorensis sp. n. (Kinetoplastida: Trypanosomatidae), a new parasite infecting arboreal mammals in Ecuador

Abstract

Characterization is given of a new parasite, Leishmania equatoriensis sp.n. wich was isolated from the viscera of a sloth (Choloepus hoffmanni) and a squirrel (Sciurus granatensis), captured in humid tropical forest onthe Pacific Coast of Ecuador. Data based on biological and molecular criteria, as well as numerical zymotaxonomical analysis, indicate that this parasite is a new species of the L. brasiliensis complex. L. equatoriensis is cleary distinguishable form all other known species within this complex, using the following molecular criteria: reactivity patterns with specific monoclonal antibodies, isoenzyme electrophoresis, and restriction-endonuclease fragment patterns of kinetoplast DNA (k-DNA).

Leishmania equatorensis sp. n.; Protozoa; Kinetoplastida; Trypanosomatidae; mammalian reservoirs; molecular characterization; monoclonal antibodies; isoenzyme electrophoresis; kinetoplast DNA analysis


ABSTRACT

Description of Leishmania equatorensis sp. n. (Kinetoplastida: Trypanosomatidae), a new parasite infecting arboreal mammals in Ecuador

Gabriel Grimaldi Júnior1

Richard D. Kreutzer2

Yoshihisa Hashiguchi3

Eduardo A. Gomez4

Tatsuyuki Mimory5

Robert B. Tesh6

Instituto Oswaldo Cruz, Departamento de Imunologia, Rio de Janeiro, Brasil

Youngstown State University, Department of Biology, Youngstown, USA

Kochi Medical School, Department of Parasitology, Nankoku, Japan

Instituto Nacional de Higiene y Medicina tropical, Departamento de Parasitologia, Guayaquil, Ecuador

Kumamoto University School of Medicine, Department of Parasitic Diseases, Kumamoto, Japan

Yale University School of Medicine, Department of Epidemiology and Public Health, New Haven, USA

Characterization is given of a new parasite, Leishmania equatoriensis sp.n. wich was isolated from the viscera of a sloth (Choloepus hoffmanni) and a squirrel (Sciurus granatensis), captured in humid tropical forest onthe Pacific Coast of Ecuador. Data based on biological and molecular criteria, as well as numerical zymotaxonomical analysis, indicate that this parasite is a new species of the L. brasiliensis complex. L. equatoriensis is cleary distinguishable form all other known species within this complex, using the following molecular criteria: reactivity patterns with specific monoclonal antibodies, isoenzyme electrophoresis, and restriction-endonuclease fragment patterns of kinetoplast DNA (k-DNA).

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Publication Dates

  • Publication in this collection
    04 June 2009
  • Date of issue
    June 1992
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