1921
Volume 36, Issue 2
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645

Abstract

Abstract

Five hundred thirty stocks of isolated from human and domestic and wild reservoir hosts, representing a wide geographic distribution of endemic foci of American cutaneous (ACL) and visceral leishmaniases (AVL) were characterized and identified at species and/or subspecies levels based on their reactivity to a cross-panel of specific monoclonal antibodies using a radioimmune binding assay. This study confirms and extends our preliminary results on the high specificity of some of these monoclonals for the , and complexes. This study also demonstrates the relative stability of these molecular markers and the general usefulness of the method for parasite identification.

Two hundred ninety-two of 420 isolates of ACL were classified as members of the complex. Two hundred twenty-seven were ; these showed the widest geographical distribution (Brazil: Amazonas, Bahia, Ceara, Espirito Santo, Goias, Minas Gerais, Para, Paraiba, Rio de Janeiro, and Sao Paulo; Honduras: Santa Barbara and Yoko; Peru: Ancash, Piura, and Ucayali; and Venezuela: Cojedes, Distrito Federal, Lara, Portuguesa, Vale Hondo, Yaracuy, and Zulia). Forty-one stocks were identified as (from North Brazil: Amazonas, Amapa, Para, and Rondonia). Twenty-one stocks were identified as (from Costa Rica: Alajuela, Guanacasten, Limon, Puntarenas, and San Jose; and Honduras: El Paraiso, and Olancho). Out of 128 isolates classified as members of the complex, 74 were differentiated as (from Bolivia; Brazil: Amazonas, Bahia, Ceara, Goias, Maranhao, Mato Grosso do Norte, and Para; Peru: Pasco Forest and Van Humboldt; and Venezuela: Carabobo, Guarico, and Merida). Forty-four stocks were identified as (from Venezuela: Lara). Six stocks were (from Belize; and Mexico: Michoacan and Quintana Roo, Yucatan). One hundred ten isolates from AVL were identified as (from Brazil: Bahia, Ceara, Maranhao, Minas Gerais, Mato Grosso do Sul, Piaui, Rio de Janeiro, and Sergipe; and Honduras: Valle).

The implications of these results with respect to both the clinical and epidemiological data (including the detection of seven unusual characterized stocks) are discussed.

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/content/journals/10.4269/ajtmh.1987.36.270
1987-03-01
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  • Accepted : 02 Sep 1986

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