Sperm ultrastructure in three different families of weakly electric fishes (Teleostei: Gymnotiformes)

Detalhes bibliográficos
Autor(a) principal: Giora,Júlia
Data de Publicação: 2011
Outros Autores: Burns,John R.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Neotropical ichthyology (Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252011000400019
Resumo: This study presents details of sperm ultrastructure for Gymnotus aff. carapo (Gymnotidae), Eigenmannia trilineata (Sternopygidae), and three Brachyhypopomus species (B. draco, B. bombilla, and B. gauderio - Hypopomidae) from southern Brazil. Differences were found among the representatives of the different families. For example, nuclear rotation was present in E. trilineata and in the Brachyhypopomus species, but absent in Gymnotus aff. carapo, and the presence of flagellar fins was only observed in E. trilineata. Some intraspecific variations could also be noticed among the Brachyhypopomus species analyzed. Most of the characters found in the spermatozoa of the species studied herein are shared with species of Gymnotiformes previously analyzed.
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spelling Sperm ultrastructure in three different families of weakly electric fishes (Teleostei: Gymnotiformes)GymnotidaeHypopomidaeSpermatozoaSternopygidaeThis study presents details of sperm ultrastructure for Gymnotus aff. carapo (Gymnotidae), Eigenmannia trilineata (Sternopygidae), and three Brachyhypopomus species (B. draco, B. bombilla, and B. gauderio - Hypopomidae) from southern Brazil. Differences were found among the representatives of the different families. For example, nuclear rotation was present in E. trilineata and in the Brachyhypopomus species, but absent in Gymnotus aff. carapo, and the presence of flagellar fins was only observed in E. trilineata. Some intraspecific variations could also be noticed among the Brachyhypopomus species analyzed. Most of the characters found in the spermatozoa of the species studied herein are shared with species of Gymnotiformes previously analyzed.Sociedade Brasileira de Ictiologia2011-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252011000400019Neotropical Ichthyology v.9 n.4 2011reponame:Neotropical ichthyology (Online)instname:Sociedade Brasileira de Ictiologia (SBI)instacron:SBI10.1590/S1679-62252011005000047info:eu-repo/semantics/openAccessGiora,JúliaBurns,John R.eng2012-01-17T00:00:00Zoai:scielo:S1679-62252011000400019Revistahttp://www.ufrgs.br/ni/https://old.scielo.br/oai/scielo-oai.php||neoichth@nupelia.uem.br1982-02241679-6225opendoar:2012-01-17T00:00Neotropical ichthyology (Online) - Sociedade Brasileira de Ictiologia (SBI)false
dc.title.none.fl_str_mv Sperm ultrastructure in three different families of weakly electric fishes (Teleostei: Gymnotiformes)
title Sperm ultrastructure in three different families of weakly electric fishes (Teleostei: Gymnotiformes)
spellingShingle Sperm ultrastructure in three different families of weakly electric fishes (Teleostei: Gymnotiformes)
Giora,Júlia
Gymnotidae
Hypopomidae
Spermatozoa
Sternopygidae
title_short Sperm ultrastructure in three different families of weakly electric fishes (Teleostei: Gymnotiformes)
title_full Sperm ultrastructure in three different families of weakly electric fishes (Teleostei: Gymnotiformes)
title_fullStr Sperm ultrastructure in three different families of weakly electric fishes (Teleostei: Gymnotiformes)
title_full_unstemmed Sperm ultrastructure in three different families of weakly electric fishes (Teleostei: Gymnotiformes)
title_sort Sperm ultrastructure in three different families of weakly electric fishes (Teleostei: Gymnotiformes)
author Giora,Júlia
author_facet Giora,Júlia
Burns,John R.
author_role author
author2 Burns,John R.
author2_role author
dc.contributor.author.fl_str_mv Giora,Júlia
Burns,John R.
dc.subject.por.fl_str_mv Gymnotidae
Hypopomidae
Spermatozoa
Sternopygidae
topic Gymnotidae
Hypopomidae
Spermatozoa
Sternopygidae
description This study presents details of sperm ultrastructure for Gymnotus aff. carapo (Gymnotidae), Eigenmannia trilineata (Sternopygidae), and three Brachyhypopomus species (B. draco, B. bombilla, and B. gauderio - Hypopomidae) from southern Brazil. Differences were found among the representatives of the different families. For example, nuclear rotation was present in E. trilineata and in the Brachyhypopomus species, but absent in Gymnotus aff. carapo, and the presence of flagellar fins was only observed in E. trilineata. Some intraspecific variations could also be noticed among the Brachyhypopomus species analyzed. Most of the characters found in the spermatozoa of the species studied herein are shared with species of Gymnotiformes previously analyzed.
publishDate 2011
dc.date.none.fl_str_mv 2011-01-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252011000400019
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252011000400019
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/S1679-62252011005000047
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv Sociedade Brasileira de Ictiologia
publisher.none.fl_str_mv Sociedade Brasileira de Ictiologia
dc.source.none.fl_str_mv Neotropical Ichthyology v.9 n.4 2011
reponame:Neotropical ichthyology (Online)
instname:Sociedade Brasileira de Ictiologia (SBI)
instacron:SBI
instname_str Sociedade Brasileira de Ictiologia (SBI)
instacron_str SBI
institution SBI
reponame_str Neotropical ichthyology (Online)
collection Neotropical ichthyology (Online)
repository.name.fl_str_mv Neotropical ichthyology (Online) - Sociedade Brasileira de Ictiologia (SBI)
repository.mail.fl_str_mv ||neoichth@nupelia.uem.br
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