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Complex ecological interactions across a focus of cutaneous leishmaniasis in Eastern Colombia: novel description of Leishmania species, hosts and phlebotomine fauna.


ABSTRACT: This study aimed to analyse the patterns of diversity, blood sources and Leishmania species of phlebotomines in a focus of cutaneous leishmaniasis in Arboledas, Eastern Colombia. In total, 1729 phlebotomines were captured in two localities (62.3% Siravita and 37.7% Cinera) and five environments of Norte de Santander. We identified 18 species of phlebotomines: Pintomyia ovallesi (29.8%), Psychodopygus davisi (20.3%), Pi. spinicrassa (18.5%) and Lutzomyia gomezi (15.8%) showed the highest abundance. Species diversities were compared between Cinera (15.00) and Siravita (20.00) and among five microenvironments: forest remnants (19.49), coffee plantations (12.5), grassland (12.99), cane plantations (11.66) and citrus plantations (12.22). Leishmania DNA was detected in 5.8% (80/1380) of females, corresponding mainly to Pi. ovallesi (22/80; 27.2%), Lu. gomezi (17/80; 21.3%) and Pi. spinicrassa (11/80; 13.8%). Leishmania species were 63.1% L. braziliensis, 18.5% L. panamensis, 13.2% L. infantum and 6.1% L. amazonensis. The most frequent feeding sources were Homo sapiens (50%), Bos taurus (13.8%) and Canis lupus familiaris (10.3%). This focus of cutaneous leishmaniasis has a high diversity of Leishmania-carrying phlebotomines that feed on domestic animals. The transmission of leishmaniasis to human hosts was mainly associated with Lu. gomezi, Pi. ovallesi and L. braziliensis.

SUBMITTER: Sandoval-Ramirez CM 

PROVIDER: S-EPMC7428272 | biostudies-literature | 2020 Jul

REPOSITORIES: biostudies-literature

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Complex ecological interactions across a focus of cutaneous leishmaniasis in Eastern Colombia: novel description of <i>Leishmania</i> species, hosts and phlebotomine fauna.

Sandoval-Ramírez Claudia M CM   Hernández Carolina C   Teherán Aníbal A AA   Gutierrez-Marin Reinaldo R   Martínez-Vega Ruth A RA   Morales Duvan D   Hoyos-Lopez Richard R   Araque-Mogollón Astrid A   Ramírez Juan David JD  

Royal Society open science 20200708 7


This study aimed to analyse the patterns of diversity, blood sources and <i>Leishmania</i> species of phlebotomines in a focus of cutaneous leishmaniasis in Arboledas, Eastern Colombia. In total, 1729 phlebotomines were captured in two localities (62.3% Siravita and 37.7% Cinera) and five environments of Norte de Santander. We identified 18 species of phlebotomines: <i>Pintomyia ovallesi</i> (29.8%), <i>Psychodopygus davisi</i> (20.3%), <i>Pi. spinicrassa</i> (18.5%) and <i>Lutzomyia gomezi</i>  ...[more]

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