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Natural Leishmania (Viannia) spp. infections in phlebotomine sand flies (Diptera: Psychodidae) from the Brazilian Amazon region reveal new putative transmission cycles of American cutaneous leishmaniasis
by
de Souza, Adelson Alcimar Almeida
, Barata, Iorlando da Rocha
, Lainson, Ralph
, Shaw, Jeffrey
, Ishikawa, Edna Aoba Yassui
, Lima, José Aprígio Nunes
, dos Santos, Thiago Vasconcelos
, Jennings, Yara Lúcia Lins
, Silva, Maria das Graças Soares
, Silveira, Fernando Tobias
in
Amazon region
/ Animals
/ Brazil
/ Cutaneous leishmaniasis
/ Disease control
/ Disease transmission
/ Ecosystems
/ Electrophoresis
/ Etiology
/ Female
/ Flies
/ Infections
/ Insect Vectors - classification
/ Insect Vectors - parasitology
/ Isoenzymes
/ Leishmania
/ Leishmania (Viannia) spp
/ Leishmania - classification
/ Leishmania - isolation & purification
/ Leishmania - physiology
/ Light traps
/ Lutzomyia
/ Male
/ Monoclonal antibodies
/ Natural infections
/ Parasites
/ Parasitic diseases
/ Pará State
/ Phlebotomine sand flies
/ Psychodidae
/ Psychodidae - classification
/ Psychodidae - parasitology
/ Vector-borne diseases
/ Vectors
2016
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Natural Leishmania (Viannia) spp. infections in phlebotomine sand flies (Diptera: Psychodidae) from the Brazilian Amazon region reveal new putative transmission cycles of American cutaneous leishmaniasis
by
de Souza, Adelson Alcimar Almeida
, Barata, Iorlando da Rocha
, Lainson, Ralph
, Shaw, Jeffrey
, Ishikawa, Edna Aoba Yassui
, Lima, José Aprígio Nunes
, dos Santos, Thiago Vasconcelos
, Jennings, Yara Lúcia Lins
, Silva, Maria das Graças Soares
, Silveira, Fernando Tobias
in
Amazon region
/ Animals
/ Brazil
/ Cutaneous leishmaniasis
/ Disease control
/ Disease transmission
/ Ecosystems
/ Electrophoresis
/ Etiology
/ Female
/ Flies
/ Infections
/ Insect Vectors - classification
/ Insect Vectors - parasitology
/ Isoenzymes
/ Leishmania
/ Leishmania (Viannia) spp
/ Leishmania - classification
/ Leishmania - isolation & purification
/ Leishmania - physiology
/ Light traps
/ Lutzomyia
/ Male
/ Monoclonal antibodies
/ Natural infections
/ Parasites
/ Parasitic diseases
/ Pará State
/ Phlebotomine sand flies
/ Psychodidae
/ Psychodidae - classification
/ Psychodidae - parasitology
/ Vector-borne diseases
/ Vectors
2016
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Natural Leishmania (Viannia) spp. infections in phlebotomine sand flies (Diptera: Psychodidae) from the Brazilian Amazon region reveal new putative transmission cycles of American cutaneous leishmaniasis
by
de Souza, Adelson Alcimar Almeida
, Barata, Iorlando da Rocha
, Lainson, Ralph
, Shaw, Jeffrey
, Ishikawa, Edna Aoba Yassui
, Lima, José Aprígio Nunes
, dos Santos, Thiago Vasconcelos
, Jennings, Yara Lúcia Lins
, Silva, Maria das Graças Soares
, Silveira, Fernando Tobias
in
Amazon region
/ Animals
/ Brazil
/ Cutaneous leishmaniasis
/ Disease control
/ Disease transmission
/ Ecosystems
/ Electrophoresis
/ Etiology
/ Female
/ Flies
/ Infections
/ Insect Vectors - classification
/ Insect Vectors - parasitology
/ Isoenzymes
/ Leishmania
/ Leishmania (Viannia) spp
/ Leishmania - classification
/ Leishmania - isolation & purification
/ Leishmania - physiology
/ Light traps
/ Lutzomyia
/ Male
/ Monoclonal antibodies
/ Natural infections
/ Parasites
/ Parasitic diseases
/ Pará State
/ Phlebotomine sand flies
/ Psychodidae
/ Psychodidae - classification
/ Psychodidae - parasitology
/ Vector-borne diseases
/ Vectors
2016
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Natural Leishmania (Viannia) spp. infections in phlebotomine sand flies (Diptera: Psychodidae) from the Brazilian Amazon region reveal new putative transmission cycles of American cutaneous leishmaniasis
Journal Article
Natural Leishmania (Viannia) spp. infections in phlebotomine sand flies (Diptera: Psychodidae) from the Brazilian Amazon region reveal new putative transmission cycles of American cutaneous leishmaniasis
2016
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Overview
In Amazonian Brazil the etiological agents of American cutaneous leishmaniasis (ACL) belong to at least seven Leishmania species but little is known about the putative phlebotomine sand fly vectors in different biomes. In 2002–2003 a survey of the phlebotomine fauna was undertaken in the “Floresta Nacional do Tapajós”, Belterra municipality, in the lower Amazon region, western Pará State, Brazil, where we recently confirmed the presence of a putative hybrid parasite, L. (V.) guyanensis × L. (V.) shawi shawi. Sand flies were collected from Centers for Disease Control (CDC) light traps, Shannon traps and by aspiration on tree bases. Females were dissected and attempts to isolate any flagellate infections were made by inoculating homogenized midguts into Difco B45 medium. Isolates were characterized by monoclonal antibodies and isoenzyme electrophoresis. A total of 9,704 sand flies, belonging to 68 species or subspecies, were collected. Infections were found in the following sand flies: L. (V.) naiffi with Psychodopygus hirsutus hirsutus (1) and Ps. davisi (2); and L. (V.) shawi shawi with Nyssomyia whitmani (3) and Lutzomyia gomezi (1). These results provide strong evidence of new putative transmission cycles for L. (V.) naiffi and L. (V.) s. shawi.
En Amazonie brésilienne les agents étiologiques de la leishmaniose cutanée américaine (LCA) appartiennent à au moins sept espèces de Leishmania, mais on connaît mal les phlébotomes vecteurs dans les différents biomes. En 2002 et 2003 une enquête sur la faune des phlébotomes a été entreprise dans la « Floresta Nacional do Tapajós », commune de Belterra, dans la région inférieure de l’Amazonie, ouest de l’État du Pará, au Brésil, où nous avons récemment confirmé la présence d’un parasite hybride putatif, L. (V.) guyanensis × L. (V.) shawi shawi. Les phlébotomes ont été recueillis dans des pièges lumineux CDC, des pièges Shannon et par aspiration sur la base des arbres. Les femelles ont été disséquées et on a tenté d’isoler les infections par des flagellés en inoculant des mésogastres homogénéisés dans un milieu Difco B45. Les isolats ont été caractérisés par des anticorps monoclonaux et l’électrophorèse des isoenzymes. Un total de 9704 phlébotomes, appartenant à 68 espèces ou sous-espèces, ont été collectés. Des infections ont été trouvées dans les phlébotomes suivants : L. (V.) naiffi avec Psychodopygus hirsutus hirsutus (1) et Ps. davisi (2); L. (V.) shawi shawi avec Nyssomyia whitmani (3) et Lutzomyia gomezi (1). Ces résultats fournissent des preuves solides de nouveaux cycles putatifs de transmission pour L. (V.) naiffi et L. (V.) s. shawi.
Publisher
EDP Sciences
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