Contemporary evolution of immunity during range expansion of two invasive rodents in Senegal
Biological invasions provide unique opportunities for studying life history trait changes over contemporary time scales. As spatial spread may be related to changes in parasite communities, several hypotheses (such as the evolution of increased competitive ability (EICA) or EICA-refined hypotheses)...
Main Authors: | , , , , , , , , , , , , , , , |
---|---|
Format: | Text |
Language: | English |
Published: |
2017
|
Subjects: | |
Online Access: | http://www.documentation.ird.fr/hor/fdi:010070140 |
id |
ftird:oai:ird.fr:fdi:010070140 |
---|---|
record_format |
openpolar |
spelling |
ftird:oai:ird.fr:fdi:010070140 2023-05-15T18:05:25+02:00 Contemporary evolution of immunity during range expansion of two invasive rodents in Senegal Diagne, Christophe Gilot-Fromont, E. Cornet, S. Husse, L. Dalecky, Ambroise Bâ, K. Kane, M. Niang, Y. Diallo, M. Sow, A. Fossati, Odile Piry, S. Artige, E. Sembène, M. Brouat, Carine Charbonnel, N. SENEGAL 2017 http://www.documentation.ird.fr/hor/fdi:010070140 EN eng http://www.documentation.ird.fr/hor/fdi:010070140 oai:ird.fr:fdi:010070140 Diagne Christophe, Gilot-Fromont E., Cornet S., Husse L., Dalecky Ambroise, Bâ K., Kane M., Niang Y., Diallo M., Sow A., Fossati Odile, Piry S., Artige E., Sembène M., Brouat Carine, Charbonnel N. Contemporary evolution of immunity during range expansion of two invasive rodents in Senegal. Oikos, 2017, 126 (3), p. 435-446. text 2017 ftird 2020-08-21T06:50:44Z Biological invasions provide unique opportunities for studying life history trait changes over contemporary time scales. As spatial spread may be related to changes in parasite communities, several hypotheses (such as the evolution of increased competitive ability (EICA) or EICA-refined hypotheses) suggest immune changes in invasive species along invasion gradients. Although native hosts may be subject to similar changes in parasite selection pressures, their immune responses have been rarely investigated in invasion contexts. In this study, we evaluated immune variations for invasive house mice Mus musculus domesticus, invasive black rats Rattus rattus and native rodents Mastomys erythroleucus and Mastomys natalensis along well-characterised invasion gradients in Senegal. We focused on antibody-mediated (natural antibodies and complement) and inflammatory (haptoglobin) responses. One invasion route was considered for each invasive species, and environmental conditions were recorded. Natural-antibody mediated responses increased between sites of long-established invasion and recently invaded sites only in house mice. Both invasive species exhibited higher inflammatory responses at the invasion front than in sites of long-established invasion. The immune responses of native species did not change with the presence of invasive species. These patterns of immune variations do not support the EICA and EICA refined hypotheses, and they rather suggest a higher risk of exposure to parasites on the invasion front. Altogether, these results provide a first basis to further assess the role of immune changes in invasion success. Text Rattus rattus IRD (Institute de recherche pour le développement): Horizon |
institution |
Open Polar |
collection |
IRD (Institute de recherche pour le développement): Horizon |
op_collection_id |
ftird |
language |
English |
description |
Biological invasions provide unique opportunities for studying life history trait changes over contemporary time scales. As spatial spread may be related to changes in parasite communities, several hypotheses (such as the evolution of increased competitive ability (EICA) or EICA-refined hypotheses) suggest immune changes in invasive species along invasion gradients. Although native hosts may be subject to similar changes in parasite selection pressures, their immune responses have been rarely investigated in invasion contexts. In this study, we evaluated immune variations for invasive house mice Mus musculus domesticus, invasive black rats Rattus rattus and native rodents Mastomys erythroleucus and Mastomys natalensis along well-characterised invasion gradients in Senegal. We focused on antibody-mediated (natural antibodies and complement) and inflammatory (haptoglobin) responses. One invasion route was considered for each invasive species, and environmental conditions were recorded. Natural-antibody mediated responses increased between sites of long-established invasion and recently invaded sites only in house mice. Both invasive species exhibited higher inflammatory responses at the invasion front than in sites of long-established invasion. The immune responses of native species did not change with the presence of invasive species. These patterns of immune variations do not support the EICA and EICA refined hypotheses, and they rather suggest a higher risk of exposure to parasites on the invasion front. Altogether, these results provide a first basis to further assess the role of immune changes in invasion success. |
format |
Text |
author |
Diagne, Christophe Gilot-Fromont, E. Cornet, S. Husse, L. Dalecky, Ambroise Bâ, K. Kane, M. Niang, Y. Diallo, M. Sow, A. Fossati, Odile Piry, S. Artige, E. Sembène, M. Brouat, Carine Charbonnel, N. |
spellingShingle |
Diagne, Christophe Gilot-Fromont, E. Cornet, S. Husse, L. Dalecky, Ambroise Bâ, K. Kane, M. Niang, Y. Diallo, M. Sow, A. Fossati, Odile Piry, S. Artige, E. Sembène, M. Brouat, Carine Charbonnel, N. Contemporary evolution of immunity during range expansion of two invasive rodents in Senegal |
author_facet |
Diagne, Christophe Gilot-Fromont, E. Cornet, S. Husse, L. Dalecky, Ambroise Bâ, K. Kane, M. Niang, Y. Diallo, M. Sow, A. Fossati, Odile Piry, S. Artige, E. Sembène, M. Brouat, Carine Charbonnel, N. |
author_sort |
Diagne, Christophe |
title |
Contemporary evolution of immunity during range expansion of two invasive rodents in Senegal |
title_short |
Contemporary evolution of immunity during range expansion of two invasive rodents in Senegal |
title_full |
Contemporary evolution of immunity during range expansion of two invasive rodents in Senegal |
title_fullStr |
Contemporary evolution of immunity during range expansion of two invasive rodents in Senegal |
title_full_unstemmed |
Contemporary evolution of immunity during range expansion of two invasive rodents in Senegal |
title_sort |
contemporary evolution of immunity during range expansion of two invasive rodents in senegal |
publishDate |
2017 |
url |
http://www.documentation.ird.fr/hor/fdi:010070140 |
op_coverage |
SENEGAL |
genre |
Rattus rattus |
genre_facet |
Rattus rattus |
op_relation |
http://www.documentation.ird.fr/hor/fdi:010070140 oai:ird.fr:fdi:010070140 Diagne Christophe, Gilot-Fromont E., Cornet S., Husse L., Dalecky Ambroise, Bâ K., Kane M., Niang Y., Diallo M., Sow A., Fossati Odile, Piry S., Artige E., Sembène M., Brouat Carine, Charbonnel N. Contemporary evolution of immunity during range expansion of two invasive rodents in Senegal. Oikos, 2017, 126 (3), p. 435-446. |
_version_ |
1766176896916127744 |