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(Referência obtida automaticamente do Web of Science, por meio da informação sobre o financiamento pela FAPESP e o número do processo correspondente, incluída na publicação pelos autores.)

Morphological Changes in the Seminal Receptacle During Ovarian Development in the Speckled Swimming Crab Arenaeus cribrarius

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Autor(es):
Zara, Fernando Jose [1, 2] ; Raggi Pereira, Gerson Rodrigues [3] ; Sant'anna, Bruno Sampaio [4]
Número total de Autores: 3
Afiliação do(s) autor(es):
[1] Univ Estadual Paulista, Aquaculture Ctr CAUNESP, Dept Biol Aplicada, UNESP, FCAV, Invertebrate Morphol Lab, BR-14884900 Sao Paulo - Brazil
[2] Inst Avancado Estudos Mar, IEAMar UNESP, BR-14884900 Sao Paulo - Brazil
[3] Univ Estadual Paulista, UNESP, BR-11330900 Sao Paulo - Brazil
[4] Univ Fed Amazonas UFAM, Inst Ciencias Exatas & Tecnol, BR-69103128 Itacoatiara, Amazonas - Brazil
Número total de Afiliações: 4
Tipo de documento: Artigo Científico
Fonte: BIOLOGICAL BULLETIN; v. 227, n. 1, p. 19-32, AUG 1 2014.
Citações Web of Science: 16
Resumo

To understand sperm plug dissolution and spermatophore dehiscence in Portunidae, histological and ultrastructural changes in the seminal receptacle (SR) of Arenaeus cribrarius were investigated during ovarian development. In juvenile females the SR was filled with acid polysaccharides and the dorsal epithelium was stratified. Mated females with rudimentary ovaries showed a large SR filled by a glycoprotein sperm plug. This plug was present until the developing-ovary stage, when spermatophore dehiscence and intense holocrine secretions in the dorsal dense layer occurred. The plug was absent after the intermediate stage, and the SR became flaccid. The secretion produced moved the spermatophores into the ventral region. The modified dorsal epithelium in the transition between the dorsal and ventral regions released acid polysaccharides, which were found among the sperm, by exocytosis. The morphological changes of the SR in A. cribrarius, including the presence of the sperm plug, followed the macroscopic pattern observed in other members of Portunidae, such as blue crabs. However, in this species dissolution of the sperm plug was synchronized with ovarian development and occurred simultaneously with spermatophore dehiscence, showing the evolutionary relationship of the seminal receptacle and the female reproductive system to the storage of spermatophores and spermatozoa. (AU)

Processo FAPESP: 05/04707-5 - Histologia e ultrassonografia do desenvolvimento das gônadas de Brachyura (Crustacea)
Beneficiário:Fernando Jose Zara
Linha de fomento: Auxílio à Pesquisa - Apoio a Jovens Pesquisadores
Processo FAPESP: 09/18383-8 - Histologia e ultraestrutura da espermateca de Arenaeus cribrarius e Charybdis hellerii (Brachyura: Portunidae): alterações morfológicas ao longo do ciclo ovariano
Beneficiário:Gerson Rodrigues Raggi Pereira
Linha de fomento: Bolsas no Brasil - Iniciação Científica
Processo FAPESP: 10/50188-8 - Crustáceos decápodes: multidisciplinaridade na caracterização da biodiversidade marinha do estado de São Paulo (taxonomia, espermiotaxonomia, biologia molecular e dinâmica populacional) (Biodiversidade Marinha)
Beneficiário:Fernando Luis Medina Mantelatto
Linha de fomento: Auxílio à Pesquisa - Programa BIOTA - Temático