Maternal and embryonic trace element concentrations and stable isotope fractionation in the smalleye smooth-hound (Mustelus higmani)
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Digital do Instituto Evandro Chagas (Patuá) |
Texto Completo: | https://patua.iec.gov.br/handle/iec/4094 |
Resumo: | Here, we evaluate maternal offloading of 16 trace elements (Essential: Co, Cr, Cu, Fe, Mn, Ni, Se and Zn; Nonessential: Al, As, Ba, Cd, Hg, Pb, Tl and U) and determine mother-offspring isotopic fractionation of δ13C and δ15N in muscle and liver tissue of four pregnant Mustelus higmani and 18 associated embryos sampled from the Amazon Coast of Brazil. Embryo muscle tissue had significantly higher concentrations of most trace elements when compared to mothers, with the exception of Hg. Embryo liver accumulated more nonessential elements than muscle (n = 7 vs. 0, respectively), while the Se:Hg molar ratio was >1 in liver and muscle of both mothers and embryos. Livers of embryos were moderately enriched in δ13C and δ15N when compared to that of their mother. Negative correlations were observed between embryo body length and δ13C and trace elements concentrations. We conclude that mothers offload a large portion of all essential elements and Al, As and Pb to their young and that the isotopic fractionation of embryos reflects maternal diet and habitat occupied, with δ13C diluted with embryonic growth. We also show that muscle and liver accumulate trace elements at different rates relative to the body length of embryos. The Se:Hg molar ratio suggests that Se could play a protective role against Hg toxicity during early stages of M. higmani embryonic development. |
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Araújo, Juliana de SouzaAndrades, RyanLima, Marcelo de OliveiraHussey, Nigel EGiarrizzo, Tommaso2020-06-08T17:49:39Z2020-06-08T17:49:39Z2020ARAÚJO, Juliana de Souza et al. Maternal and embryonic trace element concentrations and stable isotope fractionation in the smalleye smooth-hound (Mustelus higmani). Chemosphere, v. 257, n. 127183, Oct. 2020.1879-1298https://patua.iec.gov.br/handle/iec/409410.1016/j.chemosphere.2020.127183Here, we evaluate maternal offloading of 16 trace elements (Essential: Co, Cr, Cu, Fe, Mn, Ni, Se and Zn; Nonessential: Al, As, Ba, Cd, Hg, Pb, Tl and U) and determine mother-offspring isotopic fractionation of δ13C and δ15N in muscle and liver tissue of four pregnant Mustelus higmani and 18 associated embryos sampled from the Amazon Coast of Brazil. Embryo muscle tissue had significantly higher concentrations of most trace elements when compared to mothers, with the exception of Hg. Embryo liver accumulated more nonessential elements than muscle (n = 7 vs. 0, respectively), while the Se:Hg molar ratio was >1 in liver and muscle of both mothers and embryos. Livers of embryos were moderately enriched in δ13C and δ15N when compared to that of their mother. Negative correlations were observed between embryo body length and δ13C and trace elements concentrations. We conclude that mothers offload a large portion of all essential elements and Al, As and Pb to their young and that the isotopic fractionation of embryos reflects maternal diet and habitat occupied, with δ13C diluted with embryonic growth. We also show that muscle and liver accumulate trace elements at different rates relative to the body length of embryos. The Se:Hg molar ratio suggests that Se could play a protective role against Hg toxicity during early stages of M. higmani embryonic development.Universidade Federal do Pará. Núcleo de Ecologia Aquática e Pesca da Amazônia. Belém, PA, Brazil.Universidade Federal do Pará. Núcleo de Ecologia Aquática e Pesca da Amazônia. Belém, PA, Brazil / Universidade Federal do Espírito Santo. Departamento de Oceanografia e Ecologia. Laboratório de Ictiologia. Vitória, ES, Brazil.Ministério da Saúde. Secretaria de Vigilância em Saúde. Instituto Evandro Chagas. Laboratório de Toxicologia. Ananindeua, PA, Brasil.University of Windsor. Integrative Biology. Windsor, Ontário, Canada.engElsevierMaternal and embryonic trace element concentrations and stable isotope fractionation in the smalleye smooth-hound (Mustelus higmani)info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleCação (Peixe) / anatomia & histologiaElasmobrânquiosOligoelementos / análiseDescarga MaternaRazão molar Se: HgIsótopos EstáveisVestígiosAmazonas (AM)info:eu-repo/semantics/embargoedAccessreponame:Repositório Digital do Instituto Evandro Chagas (Patuá)instname:Instituto Evandro Chagas (IEC)instacron:IECORIGINALMaternal and embryonic trace element concentrations and stable isotope fractionation in the smalleye smooth-hound (Mustelus higmani).pdfMaternal and embryonic trace element concentrations and stable isotope fractionation in the smalleye smooth-hound (Mustelus higmani).pdfapplication/pdf551083https://patua.iec.gov.br/bitstreams/2f40601c-d160-4447-b23a-79fb10a6c191/downloadc9a9c128e29cac82a5d7fdf3f4e6da73MD51TEXTMaternal and embryonic trace element concentrations and stable isotope fractionation in the smalleye smooth-hound (Mustelus higmani).pdf.txtMaternal and embryonic trace element concentrations and stable isotope fractionation in the smalleye smooth-hound (Mustelus higmani).pdf.txtExtracted texttext/plain2https://patua.iec.gov.br/bitstreams/d12b2692-aa06-4fd8-85a5-6757ae7da81b/downloade1c06d85ae7b8b032bef47e42e4c08f9MD55THUMBNAILMaternal and embryonic trace element concentrations and stable isotope fractionation in the smalleye smooth-hound (Mustelus higmani).pdf.jpgMaternal and embryonic trace element concentrations and stable isotope fractionation in the smalleye smooth-hound (Mustelus higmani).pdf.jpgGenerated Thumbnailimage/jpeg3095https://patua.iec.gov.br/bitstreams/109e8d25-c7b4-48c2-9b66-b5a9ae8c65de/download71859d578212107f7f8c49a4ce09d9eeMD56LICENSElicense.txtlicense.txttext/plain; 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dc.title.pt_BR.fl_str_mv |
Maternal and embryonic trace element concentrations and stable isotope fractionation in the smalleye smooth-hound (Mustelus higmani) |
title |
Maternal and embryonic trace element concentrations and stable isotope fractionation in the smalleye smooth-hound (Mustelus higmani) |
spellingShingle |
Maternal and embryonic trace element concentrations and stable isotope fractionation in the smalleye smooth-hound (Mustelus higmani) Araújo, Juliana de Souza Cação (Peixe) / anatomia & histologia Elasmobrânquios Oligoelementos / análise Descarga Materna Razão molar Se: Hg Isótopos Estáveis Vestígios Amazonas (AM) |
title_short |
Maternal and embryonic trace element concentrations and stable isotope fractionation in the smalleye smooth-hound (Mustelus higmani) |
title_full |
Maternal and embryonic trace element concentrations and stable isotope fractionation in the smalleye smooth-hound (Mustelus higmani) |
title_fullStr |
Maternal and embryonic trace element concentrations and stable isotope fractionation in the smalleye smooth-hound (Mustelus higmani) |
title_full_unstemmed |
Maternal and embryonic trace element concentrations and stable isotope fractionation in the smalleye smooth-hound (Mustelus higmani) |
title_sort |
Maternal and embryonic trace element concentrations and stable isotope fractionation in the smalleye smooth-hound (Mustelus higmani) |
author |
Araújo, Juliana de Souza |
author_facet |
Araújo, Juliana de Souza Andrades, Ryan Lima, Marcelo de Oliveira Hussey, Nigel E Giarrizzo, Tommaso |
author_role |
author |
author2 |
Andrades, Ryan Lima, Marcelo de Oliveira Hussey, Nigel E Giarrizzo, Tommaso |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Araújo, Juliana de Souza Andrades, Ryan Lima, Marcelo de Oliveira Hussey, Nigel E Giarrizzo, Tommaso |
dc.subject.decsPrimary.pt_BR.fl_str_mv |
Cação (Peixe) / anatomia & histologia Elasmobrânquios Oligoelementos / análise Descarga Materna Razão molar Se: Hg Isótopos Estáveis Vestígios Amazonas (AM) |
topic |
Cação (Peixe) / anatomia & histologia Elasmobrânquios Oligoelementos / análise Descarga Materna Razão molar Se: Hg Isótopos Estáveis Vestígios Amazonas (AM) |
description |
Here, we evaluate maternal offloading of 16 trace elements (Essential: Co, Cr, Cu, Fe, Mn, Ni, Se and Zn; Nonessential: Al, As, Ba, Cd, Hg, Pb, Tl and U) and determine mother-offspring isotopic fractionation of δ13C and δ15N in muscle and liver tissue of four pregnant Mustelus higmani and 18 associated embryos sampled from the Amazon Coast of Brazil. Embryo muscle tissue had significantly higher concentrations of most trace elements when compared to mothers, with the exception of Hg. Embryo liver accumulated more nonessential elements than muscle (n = 7 vs. 0, respectively), while the Se:Hg molar ratio was >1 in liver and muscle of both mothers and embryos. Livers of embryos were moderately enriched in δ13C and δ15N when compared to that of their mother. Negative correlations were observed between embryo body length and δ13C and trace elements concentrations. We conclude that mothers offload a large portion of all essential elements and Al, As and Pb to their young and that the isotopic fractionation of embryos reflects maternal diet and habitat occupied, with δ13C diluted with embryonic growth. We also show that muscle and liver accumulate trace elements at different rates relative to the body length of embryos. The Se:Hg molar ratio suggests that Se could play a protective role against Hg toxicity during early stages of M. higmani embryonic development. |
publishDate |
2020 |
dc.date.accessioned.fl_str_mv |
2020-06-08T17:49:39Z |
dc.date.available.fl_str_mv |
2020-06-08T17:49:39Z |
dc.date.issued.fl_str_mv |
2020 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.citation.fl_str_mv |
ARAÚJO, Juliana de Souza et al. Maternal and embryonic trace element concentrations and stable isotope fractionation in the smalleye smooth-hound (Mustelus higmani). Chemosphere, v. 257, n. 127183, Oct. 2020. |
dc.identifier.uri.fl_str_mv |
https://patua.iec.gov.br/handle/iec/4094 |
dc.identifier.issn.-.fl_str_mv |
1879-1298 |
dc.identifier.doi.-.fl_str_mv |
10.1016/j.chemosphere.2020.127183 |
identifier_str_mv |
ARAÚJO, Juliana de Souza et al. Maternal and embryonic trace element concentrations and stable isotope fractionation in the smalleye smooth-hound (Mustelus higmani). Chemosphere, v. 257, n. 127183, Oct. 2020. 1879-1298 10.1016/j.chemosphere.2020.127183 |
url |
https://patua.iec.gov.br/handle/iec/4094 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/embargoedAccess |
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embargoedAccess |
dc.publisher.none.fl_str_mv |
Elsevier |
publisher.none.fl_str_mv |
Elsevier |
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reponame:Repositório Digital do Instituto Evandro Chagas (Patuá) instname:Instituto Evandro Chagas (IEC) instacron:IEC |
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IEC |
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IEC |
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Repositório Digital do Instituto Evandro Chagas (Patuá) |
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