Sperm storage in coral snakes: a spermatozoa ultrastructural approach (Serpentes: Elapidae)

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dc.contributorLab. Biologia Estruturalpt_BR
dc.contributorLEEV - Laboratório de Ecologia e Evoluçãopt_BR
dc.contributor.authorCoeti, Rafaela Zanipt_BR
dc.contributor.authorAntoniazzi, Marta Mariapt_BR
dc.contributor.authorSánchez, Raúlpt_BR
dc.contributor.authorAlmeida-Santos, Selma Mariapt_BR
dc.date.accessioned2021-03-16T14:07:45Z-
dc.date.available2021-03-16T14:07:45Z-
dc.date.issued2021pt_BR
dc.identifier.citationCoeti RZ, Antoniazzi MM, Sánchez R, Almeida-Santos SM. Sperm storage in coral snakes: a spermatozoa ultrastructural approach (Serpentes: Elapidae). Zool. Anz.. 2021 Jan;290:49-57. doi:10.1016/j.jcz.2020.11.005.pt_BR
dc.identifier.urihttps://repositorio.butantan.gov.br/handle/butantan/3623-
dc.description.abstractReproduction in snakes employs a wide range of mechanisms such as long-term sperm storage, mating aggregations and male–male combat. These varied mechanisms can be better understood when combined with the study of the ultrastructural morphological variability of spermatozoa. Within the coral snakes, genus Micrurus, there are differences in the reproductive strategies adopted between monads (BRM) and triads (BRT); the aim of this work was to relate these two strategies to morphological differences among spermatozoa within different species. The semen of six Micrurus was collected using a non-invasive technique, fixed and processed for scanning and transmission electron microscopy. Micrurus spermatozoa have the same ultrastructure as those of other snake species, comprising the head, divided into acrosome, nucleus and neck; the midpiece; and the two parts of the tail, the principal piece and the end piece. Micrurus corallinus and Micrurus surinamensis presented evident multilaminar membranes occurring along all the pieces, while Micrurus frontalis and Micrurus altirostris showed cytoplasmic droplets occurring mainly in the midpiece. The differences found in spermatozoa morphology may be related with sperm storage in these four coral snakes, since the development of multilaminar membranes in the midpiece and the maintenance of cytoplasmic droplets in the mature sperm are both features related to extra energy provision for the spermatozoa while stored.pt_BR
dc.description.sponsorshipFundação Ezequiel Dias (FUNED)pt_BR
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)pt_BR
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)pt_BR
dc.format.extent49-57pt_BR
dc.language.isoEnglishpt_BR
dc.relation.ispartofZoologischer Anzeigerpt_BR
dc.titleSperm storage in coral snakes: a spermatozoa ultrastructural approach (Serpentes: Elapidae)pt_BR
dc.typeArticlept_BR
dc.identifier.doi10.1016/j.jcz.2020.11.005pt_BR
dc.identifier.urlhttps://doi.org/10.1016/j.jcz.2020.11.005pt_BR
dc.contributor.externalUniversidade de São Paulo (USP)pt_BR
dc.contributor.externalUniversidad de La Fronterapt_BR
dc.identifier.citationissue290pt_BR
dc.subject.keywordSnake spermatozoonpt_BR
dc.subject.keywordSperm ultrastructurept_BR
dc.subject.keywordMultilaminar membranespt_BR
dc.subject.keywordCytoplasmic dropletspt_BR
dc.subject.keywordSperm storagept_BR
dc.relation.ispartofabbreviatedZool Anzpt_BR
dc.identifier.citationabntv. 290, p. 49-57, jan. 2021pt_BR
dc.identifier.citationvancouver2021 Jan;290:49-57pt_BR
dc.contributor.butantanAntoniazzi, Marta Maria|:Pesquisador:Docente Permanente PPGTOX|:Lab. Biologia Estrutural|:Autor de correspondênciapt_BR
dc.contributor.butantanAlmeida-Santos, Selma Maria|:Pesquisador|:LEEV - Laboratório de Ecologia e Evolução|:Autor de correspondênciapt_BR
dc.sponsorship.butantanFundação Ezequiel Dias (FUNED)¦¦pt_BR
dc.sponsorship.butantanCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)¦¦001pt_BR
dc.sponsorship.butantanConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)¦¦310357/2018-7pt_BR
dc.sponsorship.butantanConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)¦¦309589/2017-7pt_BR
dc.identifier.bvsccBR78.1pt_BR
dc.identifier.bvsdbIBProdpt_BR
dc.description.dbindexedYespt_BR
item.openairetypeArticle-
item.fulltextCom Texto completo-
item.grantfulltextembargo_29990101-
item.languageiso639-1English-
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