Seasonal dynamics, geographical range size, hosts, genetic diversity and phylogeography of Amblyomma sculptum in Argentina
The aim of this work was to generate knowledge on ecological aspects of Amblyomma sculptum in Argentina, such as seasonal dynamics, geographical range size, hosts, genetic diversity and phylogeography. Adult and immature A. sculptum ticks were collected in different localities of Argentina to know the geographical range size and hosts. The genetic diversity of this tick was studied through analyses of 16S rDNA sequences. To describe the seasonal dynamics, free-living ticks were monthly collected from October 2013 to October 2015. A. sculptum shows a marked ecological preference for Chaco Húmedo eco-region and “Albardones” forest of the great rivers in the wetlands in the Chaco Biogeographical Province, and for Selvas Pedemontanas and Selva Montana in the Yungas Biogeographical Province. This species has low host specificity, and it has large wild and domestic mammals as principal hosts to both immature and adult stages. Amblyomma sculptum is characterized by a one-year life cycle. Larvae peak in early winter, nymphs peaked during mid-spring, and adults during late summer and mid-summer. The genetic divergence was low and the total genetic variability was attributable to differences among populations. This fact could be associated to stochastics process linked to micro-habitat variations that could produce a partial restriction to gene flow among populations. The geographic regions do not contribute much to explain the A. sculptum population genetic structure, with an ancestral haplotype present in most populations, which gives rise to the rest of the haplotypes denoting a rapid population expansion.
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Format: | info:ar-repo/semantics/artículo biblioteca |
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2018-04
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Subjects: | Amblyomma, Parásitos, Huéspedes, Estacionalidad, Divergencia Genética, Parasites, Hosts, Seasonality, Genetic Divergence, Amblyomma sculptum, Argentina, |
Online Access: | https://www.sciencedirect.com/science/article/pii/S1877959X17305435 http://hdl.handle.net/20.500.12123/2514 https://doi.org/10.1016/j.ttbdis.2018.04.009 |
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oai:localhost:20.500.12123-25142024-05-28T13:10:03Z Seasonal dynamics, geographical range size, hosts, genetic diversity and phylogeography of Amblyomma sculptum in Argentina Tarragona, Evelina Luisa Sebastian, Patrick Stephan Saracho Bottero, Maria Noelia Martinez, Emilia Irina Debárbora, Valeria Natalia Mangold, Atilio Jose Guglielmone, Alberto Nava, Santiago Amblyomma Parásitos Huéspedes Estacionalidad Divergencia Genética Parasites Hosts Seasonality Genetic Divergence Amblyomma sculptum Argentina The aim of this work was to generate knowledge on ecological aspects of Amblyomma sculptum in Argentina, such as seasonal dynamics, geographical range size, hosts, genetic diversity and phylogeography. Adult and immature A. sculptum ticks were collected in different localities of Argentina to know the geographical range size and hosts. The genetic diversity of this tick was studied through analyses of 16S rDNA sequences. To describe the seasonal dynamics, free-living ticks were monthly collected from October 2013 to October 2015. A. sculptum shows a marked ecological preference for Chaco Húmedo eco-region and “Albardones” forest of the great rivers in the wetlands in the Chaco Biogeographical Province, and for Selvas Pedemontanas and Selva Montana in the Yungas Biogeographical Province. This species has low host specificity, and it has large wild and domestic mammals as principal hosts to both immature and adult stages. Amblyomma sculptum is characterized by a one-year life cycle. Larvae peak in early winter, nymphs peaked during mid-spring, and adults during late summer and mid-summer. The genetic divergence was low and the total genetic variability was attributable to differences among populations. This fact could be associated to stochastics process linked to micro-habitat variations that could produce a partial restriction to gene flow among populations. The geographic regions do not contribute much to explain the A. sculptum population genetic structure, with an ancestral haplotype present in most populations, which gives rise to the rest of the haplotypes denoting a rapid population expansion. EEA Rafaela Fil: Tarragona, Evelina Luisa. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe; Argentina Fil: Sebastian, Patrick S. University of Hohenheim. Parasitology Unit; Alemania Fil: Saracho Bottero, Maria Noelia. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Martinez, Emilia I. Universidad Nacional del Nordeste. Facultad de Ciencias Veterinarias; Argentina Fil: Debarbora, Valeria Natalia. Universidad Nacional del Nordeste. Facultad de Ciencias Exactas y Naturales y Agrimensura. Laboratorio Biología de los Parásitos; Argentina Fil: Mangold, Atilio Jose. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Guglielmone, Alberto. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Nava, Santiago. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina 2018-05-30T12:53:25Z 2018-05-30T12:53:25Z 2018-04 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/acceptedVersion https://www.sciencedirect.com/science/article/pii/S1877959X17305435 http://hdl.handle.net/20.500.12123/2514 1877-959X 1877-9603 https://doi.org/10.1016/j.ttbdis.2018.04.009 eng info:eu-repo/semantics/embargoedAccess application/pdf Ticks and Tick-borne Diseases Available online 27 April 2018 |
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Amblyomma Parásitos Huéspedes Estacionalidad Divergencia Genética Parasites Hosts Seasonality Genetic Divergence Amblyomma sculptum Argentina Amblyomma Parásitos Huéspedes Estacionalidad Divergencia Genética Parasites Hosts Seasonality Genetic Divergence Amblyomma sculptum Argentina |
spellingShingle |
Amblyomma Parásitos Huéspedes Estacionalidad Divergencia Genética Parasites Hosts Seasonality Genetic Divergence Amblyomma sculptum Argentina Amblyomma Parásitos Huéspedes Estacionalidad Divergencia Genética Parasites Hosts Seasonality Genetic Divergence Amblyomma sculptum Argentina Tarragona, Evelina Luisa Sebastian, Patrick Stephan Saracho Bottero, Maria Noelia Martinez, Emilia Irina Debárbora, Valeria Natalia Mangold, Atilio Jose Guglielmone, Alberto Nava, Santiago Seasonal dynamics, geographical range size, hosts, genetic diversity and phylogeography of Amblyomma sculptum in Argentina |
description |
The aim of this work was to generate knowledge on ecological aspects of Amblyomma sculptum in Argentina, such as seasonal dynamics, geographical range size, hosts, genetic diversity and phylogeography. Adult and immature A. sculptum ticks were collected in different localities of Argentina to know the geographical range size and hosts. The genetic diversity of this tick was studied through analyses of 16S rDNA sequences. To describe the seasonal dynamics, free-living ticks were monthly collected from October 2013 to October 2015. A. sculptum shows a marked ecological preference for Chaco Húmedo eco-region and “Albardones” forest of the great rivers in the wetlands in the Chaco Biogeographical Province, and for Selvas Pedemontanas and Selva Montana in the Yungas Biogeographical Province. This species has low host specificity, and it has large wild and domestic mammals as principal hosts to both immature and adult stages. Amblyomma sculptum is characterized by a one-year life cycle. Larvae peak in early winter, nymphs peaked during mid-spring, and adults during late summer and mid-summer. The genetic divergence was low and the total genetic variability was attributable to differences among populations. This fact could be associated to stochastics process linked to micro-habitat variations that could produce a partial restriction to gene flow among populations. The geographic regions do not contribute much to explain the A. sculptum population genetic structure, with an ancestral haplotype present in most populations, which gives rise to the rest of the haplotypes denoting a rapid population expansion. |
format |
info:ar-repo/semantics/artículo |
topic_facet |
Amblyomma Parásitos Huéspedes Estacionalidad Divergencia Genética Parasites Hosts Seasonality Genetic Divergence Amblyomma sculptum Argentina |
author |
Tarragona, Evelina Luisa Sebastian, Patrick Stephan Saracho Bottero, Maria Noelia Martinez, Emilia Irina Debárbora, Valeria Natalia Mangold, Atilio Jose Guglielmone, Alberto Nava, Santiago |
author_facet |
Tarragona, Evelina Luisa Sebastian, Patrick Stephan Saracho Bottero, Maria Noelia Martinez, Emilia Irina Debárbora, Valeria Natalia Mangold, Atilio Jose Guglielmone, Alberto Nava, Santiago |
author_sort |
Tarragona, Evelina Luisa |
title |
Seasonal dynamics, geographical range size, hosts, genetic diversity and phylogeography of Amblyomma sculptum in Argentina |
title_short |
Seasonal dynamics, geographical range size, hosts, genetic diversity and phylogeography of Amblyomma sculptum in Argentina |
title_full |
Seasonal dynamics, geographical range size, hosts, genetic diversity and phylogeography of Amblyomma sculptum in Argentina |
title_fullStr |
Seasonal dynamics, geographical range size, hosts, genetic diversity and phylogeography of Amblyomma sculptum in Argentina |
title_full_unstemmed |
Seasonal dynamics, geographical range size, hosts, genetic diversity and phylogeography of Amblyomma sculptum in Argentina |
title_sort |
seasonal dynamics, geographical range size, hosts, genetic diversity and phylogeography of amblyomma sculptum in argentina |
publishDate |
2018-04 |
url |
https://www.sciencedirect.com/science/article/pii/S1877959X17305435 http://hdl.handle.net/20.500.12123/2514 https://doi.org/10.1016/j.ttbdis.2018.04.009 |
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