Lutzomyia longipalpis (Diptera: Psychodidae) Argentina-Bolivia border: new report and genetic diversity

American visceral leishmaniasis (AVL) has two main scenarios of transmission as follows: scattered cases in rural areas and urban outbreaks. Urban AVL is in active dispersion from the northeastern border of Argentina-Paraguay-Brazil to the South. The presence of Lutzomyia longipalpis was initially r...

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Main Authors: María Gabriela Quintana, Angélica Pech-May, Ana Denise Fuenzalida, José Manuel Direni Mancini, Paola Andrea Barroso, Zaida Estela Yadón, Mario Zaidenberg, Oscar Daniel Salomón
Format: Article
Language:English
Published: Fundação Oswaldo Cruz (FIOCRUZ)
Series:Memorias do Instituto Oswaldo Cruz
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0074-02762019000100418&lng=en&tlng=en
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author María Gabriela Quintana
Angélica Pech-May
Ana Denise Fuenzalida
José Manuel Direni Mancini
Paola Andrea Barroso
Zaida Estela Yadón
Mario Zaidenberg
Oscar Daniel Salomón
author_facet María Gabriela Quintana
Angélica Pech-May
Ana Denise Fuenzalida
José Manuel Direni Mancini
Paola Andrea Barroso
Zaida Estela Yadón
Mario Zaidenberg
Oscar Daniel Salomón
author_sort María Gabriela Quintana
collection DOAJ
description American visceral leishmaniasis (AVL) has two main scenarios of transmission as follows: scattered cases in rural areas and urban outbreaks. Urban AVL is in active dispersion from the northeastern border of Argentina-Paraguay-Brazil to the South. The presence of Lutzomyia longipalpis was initially reported in urban environments in the northwestern border of the country. The presence of Lu. longipalpis, environmental variables associated with its distribution, and its genetic diversity were assessed in Salvador Mazza, Argentina, on the border with Bolivia. The genetic analysis showed high haplotype diversity, low nucleotide diversity, and low nucleotide polymorphism index. We discuss the hypothesis of an expanding urban population with introgressive hybridisation of older haplogroups found in their path in natural forest or rural environments, acquiring a new adaptability to urban environments, and the possibility of changes in vector capacity.
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spelling doaj.art-fd5a7896c59b41e991923b783649880e2023-08-02T09:10:45ZengFundação Oswaldo Cruz (FIOCRUZ)Memorias do Instituto Oswaldo Cruz1678-806011410.1590/0074-02760190184S0074-02762019000100418Lutzomyia longipalpis (Diptera: Psychodidae) Argentina-Bolivia border: new report and genetic diversityMaría Gabriela QuintanaAngélica Pech-MayAna Denise FuenzalidaJosé Manuel Direni ManciniPaola Andrea BarrosoZaida Estela YadónMario ZaidenbergOscar Daniel SalomónAmerican visceral leishmaniasis (AVL) has two main scenarios of transmission as follows: scattered cases in rural areas and urban outbreaks. Urban AVL is in active dispersion from the northeastern border of Argentina-Paraguay-Brazil to the South. The presence of Lutzomyia longipalpis was initially reported in urban environments in the northwestern border of the country. The presence of Lu. longipalpis, environmental variables associated with its distribution, and its genetic diversity were assessed in Salvador Mazza, Argentina, on the border with Bolivia. The genetic analysis showed high haplotype diversity, low nucleotide diversity, and low nucleotide polymorphism index. We discuss the hypothesis of an expanding urban population with introgressive hybridisation of older haplogroups found in their path in natural forest or rural environments, acquiring a new adaptability to urban environments, and the possibility of changes in vector capacity.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0074-02762019000100418&lng=en&tlng=envisceral leishmaniasisspatial distributionSalta
spellingShingle María Gabriela Quintana
Angélica Pech-May
Ana Denise Fuenzalida
José Manuel Direni Mancini
Paola Andrea Barroso
Zaida Estela Yadón
Mario Zaidenberg
Oscar Daniel Salomón
Lutzomyia longipalpis (Diptera: Psychodidae) Argentina-Bolivia border: new report and genetic diversity
Memorias do Instituto Oswaldo Cruz
visceral leishmaniasis
spatial distribution
Salta
title Lutzomyia longipalpis (Diptera: Psychodidae) Argentina-Bolivia border: new report and genetic diversity
title_full Lutzomyia longipalpis (Diptera: Psychodidae) Argentina-Bolivia border: new report and genetic diversity
title_fullStr Lutzomyia longipalpis (Diptera: Psychodidae) Argentina-Bolivia border: new report and genetic diversity
title_full_unstemmed Lutzomyia longipalpis (Diptera: Psychodidae) Argentina-Bolivia border: new report and genetic diversity
title_short Lutzomyia longipalpis (Diptera: Psychodidae) Argentina-Bolivia border: new report and genetic diversity
title_sort lutzomyia longipalpis diptera psychodidae argentina bolivia border new report and genetic diversity
topic visceral leishmaniasis
spatial distribution
Salta
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0074-02762019000100418&lng=en&tlng=en
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