Metacercariae of Austrodiplostomum compactum (Trematoda, Diplostomidae) in non-native fish species in Brazil: a possible explanation for the high rate of parasitic infection
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1590/0001-3765202020180984 http://hdl.handle.net/11449/201163 |
Resumo: | Metacercariae of Diplostomidae are widely distributed in America and may cause diplostomiasis, an ocular disease in fishes. The aim of this study is to report the occurrence of metacercariae of Austrodiplostomum compactum in Plagioscion squamosissimus (non-native fish species) from Nova Avanhandava Reservoir, Tietê River, Brazil and an explanation for the high infection rates with this parasite in the Paraná River Basin is proposed. Eyes of 70 hosts were examined, the metacercariae were preserved and identified. The prevalence (P), mean intensity of infection (MII) ± standard deviation, mean abundance (MA) ± standard deviation, were calculated and a bibliographic review was performed. There was no difference in parasitism between male and female hosts. The values of P = 80%, MII = 21.55 ± 3.25 and MA = 17.24 ± 2.91 were high, as in most studies in areas where P. squamosissimus were introduced, while these values were low in areas of natural occurrence. This may be explained by the genetic susceptibility of the host to the parasite. The entire population of P. squamosissimus from the Upper Paraná has been founded by a few specimens, resulting in very low genetic variability. Consequently, the population may be highly susceptible to A. compactum. |
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Metacercariae of Austrodiplostomum compactum (Trematoda, Diplostomidae) in non-native fish species in Brazil: a possible explanation for the high rate of parasitic infectionMetacercariae of Diplostomidae are widely distributed in America and may cause diplostomiasis, an ocular disease in fishes. The aim of this study is to report the occurrence of metacercariae of Austrodiplostomum compactum in Plagioscion squamosissimus (non-native fish species) from Nova Avanhandava Reservoir, Tietê River, Brazil and an explanation for the high infection rates with this parasite in the Paraná River Basin is proposed. Eyes of 70 hosts were examined, the metacercariae were preserved and identified. The prevalence (P), mean intensity of infection (MII) ± standard deviation, mean abundance (MA) ± standard deviation, were calculated and a bibliographic review was performed. There was no difference in parasitism between male and female hosts. The values of P = 80%, MII = 21.55 ± 3.25 and MA = 17.24 ± 2.91 were high, as in most studies in areas where P. squamosissimus were introduced, while these values were low in areas of natural occurrence. This may be explained by the genetic susceptibility of the host to the parasite. The entire population of P. squamosissimus from the Upper Paraná has been founded by a few specimens, resulting in very low genetic variability. Consequently, the population may be highly susceptible to A. compactum.Universidade Estadual Paulista/UNESP, Departamento de Biologia e Zootecnia, Faculdade de Engenharia, Laboratório de Ecologia de Peixes, Campus de Ilha Solteira, Ilha Solteira, Rua Monção, 226, Zona Norte, 15385-000 Ilha Solteira, SP, BrazilPrograma de Pós-graduação em Ciências Biológicas/Zoologia, Universidade Estadual Paulista/UNESP, Instituto de Biociências, Rua Prof. Dr. Antônio Celso Wagner Zanin, Campus Botucatu, 250, Distrito de Rubião Junior, 18618-689 Botucatu,SP, BrazilUniversidade Estadual Paulista/UNESP, Departamento de Parasitologia, Instituto de Biociências, Rua Prof. Dr. Antônio Celso Wagner Zanin, 250, Campus Botucatu, Distrito de Rubião Junior, 18618-689 Botucatu, SP, BrazilUniversidade Estadual Paulista (Unesp)Ramos, Igor P.Pagliarini, Cibele D.Franceschini, LidianeSilva, Reinaldo J DA2020-12-12T02:25:38Z2020-12-12T02:25:38Z2020-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlee20180984application/pdfhttp://dx.doi.org/10.1590/0001-3765202020180984Anais da Academia Brasileira de Ciencias, v. 92, p. e20180984-.1678-2690http://hdl.handle.net/11449/20116310.1590/0001-3765202020180984S0001-376520200004007122-s2.0-85091055080S0001-37652020000400712.pdfScopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengAnais da Academia Brasileira de Cienciasinfo:eu-repo/semantics/openAccess2024-01-15T06:22:39Zoai:repositorio.unesp.br:11449/201163Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-01-15T06:22:39Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Metacercariae of Austrodiplostomum compactum (Trematoda, Diplostomidae) in non-native fish species in Brazil: a possible explanation for the high rate of parasitic infection |
title |
Metacercariae of Austrodiplostomum compactum (Trematoda, Diplostomidae) in non-native fish species in Brazil: a possible explanation for the high rate of parasitic infection |
spellingShingle |
Metacercariae of Austrodiplostomum compactum (Trematoda, Diplostomidae) in non-native fish species in Brazil: a possible explanation for the high rate of parasitic infection Ramos, Igor P. |
title_short |
Metacercariae of Austrodiplostomum compactum (Trematoda, Diplostomidae) in non-native fish species in Brazil: a possible explanation for the high rate of parasitic infection |
title_full |
Metacercariae of Austrodiplostomum compactum (Trematoda, Diplostomidae) in non-native fish species in Brazil: a possible explanation for the high rate of parasitic infection |
title_fullStr |
Metacercariae of Austrodiplostomum compactum (Trematoda, Diplostomidae) in non-native fish species in Brazil: a possible explanation for the high rate of parasitic infection |
title_full_unstemmed |
Metacercariae of Austrodiplostomum compactum (Trematoda, Diplostomidae) in non-native fish species in Brazil: a possible explanation for the high rate of parasitic infection |
title_sort |
Metacercariae of Austrodiplostomum compactum (Trematoda, Diplostomidae) in non-native fish species in Brazil: a possible explanation for the high rate of parasitic infection |
author |
Ramos, Igor P. |
author_facet |
Ramos, Igor P. Pagliarini, Cibele D. Franceschini, Lidiane Silva, Reinaldo J DA |
author_role |
author |
author2 |
Pagliarini, Cibele D. Franceschini, Lidiane Silva, Reinaldo J DA |
author2_role |
author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) |
dc.contributor.author.fl_str_mv |
Ramos, Igor P. Pagliarini, Cibele D. Franceschini, Lidiane Silva, Reinaldo J DA |
description |
Metacercariae of Diplostomidae are widely distributed in America and may cause diplostomiasis, an ocular disease in fishes. The aim of this study is to report the occurrence of metacercariae of Austrodiplostomum compactum in Plagioscion squamosissimus (non-native fish species) from Nova Avanhandava Reservoir, Tietê River, Brazil and an explanation for the high infection rates with this parasite in the Paraná River Basin is proposed. Eyes of 70 hosts were examined, the metacercariae were preserved and identified. The prevalence (P), mean intensity of infection (MII) ± standard deviation, mean abundance (MA) ± standard deviation, were calculated and a bibliographic review was performed. There was no difference in parasitism between male and female hosts. The values of P = 80%, MII = 21.55 ± 3.25 and MA = 17.24 ± 2.91 were high, as in most studies in areas where P. squamosissimus were introduced, while these values were low in areas of natural occurrence. This may be explained by the genetic susceptibility of the host to the parasite. The entire population of P. squamosissimus from the Upper Paraná has been founded by a few specimens, resulting in very low genetic variability. Consequently, the population may be highly susceptible to A. compactum. |
publishDate |
2020 |
dc.date.none.fl_str_mv |
2020-12-12T02:25:38Z 2020-12-12T02:25:38Z 2020-01-01 |
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.uri.fl_str_mv |
http://dx.doi.org/10.1590/0001-3765202020180984 Anais da Academia Brasileira de Ciencias, v. 92, p. e20180984-. 1678-2690 http://hdl.handle.net/11449/201163 10.1590/0001-3765202020180984 S0001-37652020000400712 2-s2.0-85091055080 S0001-37652020000400712.pdf |
url |
http://dx.doi.org/10.1590/0001-3765202020180984 http://hdl.handle.net/11449/201163 |
identifier_str_mv |
Anais da Academia Brasileira de Ciencias, v. 92, p. e20180984-. 1678-2690 10.1590/0001-3765202020180984 S0001-37652020000400712 2-s2.0-85091055080 S0001-37652020000400712.pdf |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Anais da Academia Brasileira de Ciencias |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
e20180984 application/pdf |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
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1799965626154876928 |