Toxoplasma gondii seroprevalence in ringed seals (Pusa hispida) from the Canadian Arctic
Toxoplasmosis is a significant public health threat for Inuit in the Canadian Arctic. This study aimed to investigate arctic seals as a possible food-borne source of infection. Blood samples collected from 828 seals in 7 Canadian Arctic communities from 1999 to 2006 were tested for Toxoplasma gondii...
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ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.837021 2024-09-15T17:51:04+00:00 Toxoplasma gondii seroprevalence in ringed seals (Pusa hispida) from the Canadian Arctic Simon, A Chambellant, M Ward, B J Simard, Martin Proulx, J F Levesque, B Bigras-Poulin, M Rousseau, A N Ogden, N H MEDIAN LATITUDE: 64.069663 * MEDIAN LONGITUDE: -103.946674 * SOUTH-BOUND LATITUDE: 56.517000 * WEST-BOUND LONGITUDE: -133.034000 * NORTH-BOUND LATITUDE: 71.971400 * EAST-BOUND LONGITUDE: -79.221000 * DATE/TIME START: 1999-01-01T00:00:00 * DATE/TIME END: 2006-01-01T00:00:00 2011 application/zip, 3 datasets https://doi.pangaea.de/10.1594/PANGAEA.837021 https://doi.org/10.1594/PANGAEA.837021 en eng PANGAEA https://doi.pangaea.de/10.1594/PANGAEA.837021 https://doi.org/10.1594/PANGAEA.837021 CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess Supplement to: Simon, A; Chambellant, M; Ward, B J; Simard, Martin; Proulx, J F; Levesque, B; Bigras-Poulin, M; Rousseau, A N; Ogden, N H (2011): Spatio-temporal variations and age effect on Toxoplasma gondii seroprevalence in seals from the Canadian Arctic. Parasitology, 138(11), 1362-1368, https://doi.org/10.1017/S0031182011001260 International Polar Year (2007-2008) IPY dataset publication series 2011 ftpangaea https://doi.org/10.1594/PANGAEA.83702110.1017/S0031182011001260 2024-07-24T02:31:21Z Toxoplasmosis is a significant public health threat for Inuit in the Canadian Arctic. This study aimed to investigate arctic seals as a possible food-borne source of infection. Blood samples collected from 828 seals in 7 Canadian Arctic communities from 1999 to 2006 were tested for Toxoplasma gondii antibodies using a direct agglutination test. Polymerase chain reaction (PCR) was used to detect T. gondii DNA in tissues of a subsample of seals. Associations between seal age, sex, species, diet, community and year of capture, and serological test results were investigated by logistic regression. Overall seroprevalence was 10.4% (86/828). All tissues tested were negative by PCR. In ringed seals, seroprevalence was significantly higher in juveniles than in adults (odds ratio = 2.44). Overall, seroprevalence varied amongst communities (P = 0.0119) and by capture year (P = 0.0001). Our study supports the hypothesis that consumption of raw seal meat is a significant source of infection for Inuit. This work raises many questions about the mechanism of transfer of this terrestrial parasite to the marine environment, the preponderance of infection in younger animals and the natural course of infection in seals. Further studies to address these questions are essential to fully understand the health risks for Inuit communities. Other/Unknown Material Arctic International Polar Year inuit IPY Pusa hispida PANGAEA - Data Publisher for Earth & Environmental Science ENVELOPE(-133.034000,-79.221000,71.971400,56.517000) |
institution |
Open Polar |
collection |
PANGAEA - Data Publisher for Earth & Environmental Science |
op_collection_id |
ftpangaea |
language |
English |
topic |
International Polar Year (2007-2008) IPY |
spellingShingle |
International Polar Year (2007-2008) IPY Simon, A Chambellant, M Ward, B J Simard, Martin Proulx, J F Levesque, B Bigras-Poulin, M Rousseau, A N Ogden, N H Toxoplasma gondii seroprevalence in ringed seals (Pusa hispida) from the Canadian Arctic |
topic_facet |
International Polar Year (2007-2008) IPY |
description |
Toxoplasmosis is a significant public health threat for Inuit in the Canadian Arctic. This study aimed to investigate arctic seals as a possible food-borne source of infection. Blood samples collected from 828 seals in 7 Canadian Arctic communities from 1999 to 2006 were tested for Toxoplasma gondii antibodies using a direct agglutination test. Polymerase chain reaction (PCR) was used to detect T. gondii DNA in tissues of a subsample of seals. Associations between seal age, sex, species, diet, community and year of capture, and serological test results were investigated by logistic regression. Overall seroprevalence was 10.4% (86/828). All tissues tested were negative by PCR. In ringed seals, seroprevalence was significantly higher in juveniles than in adults (odds ratio = 2.44). Overall, seroprevalence varied amongst communities (P = 0.0119) and by capture year (P = 0.0001). Our study supports the hypothesis that consumption of raw seal meat is a significant source of infection for Inuit. This work raises many questions about the mechanism of transfer of this terrestrial parasite to the marine environment, the preponderance of infection in younger animals and the natural course of infection in seals. Further studies to address these questions are essential to fully understand the health risks for Inuit communities. |
format |
Other/Unknown Material |
author |
Simon, A Chambellant, M Ward, B J Simard, Martin Proulx, J F Levesque, B Bigras-Poulin, M Rousseau, A N Ogden, N H |
author_facet |
Simon, A Chambellant, M Ward, B J Simard, Martin Proulx, J F Levesque, B Bigras-Poulin, M Rousseau, A N Ogden, N H |
author_sort |
Simon, A |
title |
Toxoplasma gondii seroprevalence in ringed seals (Pusa hispida) from the Canadian Arctic |
title_short |
Toxoplasma gondii seroprevalence in ringed seals (Pusa hispida) from the Canadian Arctic |
title_full |
Toxoplasma gondii seroprevalence in ringed seals (Pusa hispida) from the Canadian Arctic |
title_fullStr |
Toxoplasma gondii seroprevalence in ringed seals (Pusa hispida) from the Canadian Arctic |
title_full_unstemmed |
Toxoplasma gondii seroprevalence in ringed seals (Pusa hispida) from the Canadian Arctic |
title_sort |
toxoplasma gondii seroprevalence in ringed seals (pusa hispida) from the canadian arctic |
publisher |
PANGAEA |
publishDate |
2011 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.837021 https://doi.org/10.1594/PANGAEA.837021 |
op_coverage |
MEDIAN LATITUDE: 64.069663 * MEDIAN LONGITUDE: -103.946674 * SOUTH-BOUND LATITUDE: 56.517000 * WEST-BOUND LONGITUDE: -133.034000 * NORTH-BOUND LATITUDE: 71.971400 * EAST-BOUND LONGITUDE: -79.221000 * DATE/TIME START: 1999-01-01T00:00:00 * DATE/TIME END: 2006-01-01T00:00:00 |
long_lat |
ENVELOPE(-133.034000,-79.221000,71.971400,56.517000) |
genre |
Arctic International Polar Year inuit IPY Pusa hispida |
genre_facet |
Arctic International Polar Year inuit IPY Pusa hispida |
op_source |
Supplement to: Simon, A; Chambellant, M; Ward, B J; Simard, Martin; Proulx, J F; Levesque, B; Bigras-Poulin, M; Rousseau, A N; Ogden, N H (2011): Spatio-temporal variations and age effect on Toxoplasma gondii seroprevalence in seals from the Canadian Arctic. Parasitology, 138(11), 1362-1368, https://doi.org/10.1017/S0031182011001260 |
op_relation |
https://doi.pangaea.de/10.1594/PANGAEA.837021 https://doi.org/10.1594/PANGAEA.837021 |
op_rights |
CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1594/PANGAEA.83702110.1017/S0031182011001260 |
_version_ |
1810292879926493184 |