Diferencias en la ultraestructura espermática entre Mytilus chilensis y Mytilus galloprovincialis (Bivalvia, Mytilidae): ¿se puede utilizar como un carácter taxonómico?

Pablo A. Oyarzún, Jorge E. Toro, Orlando Garrido, Carolina Briones, Ricardo Guiñez

Resultado de la investigación: Article

11 Citas (Scopus)

Resumen

The sperm ultrastructure has been used to solve several systematic and phylogenetic problems in marine invertebrates. The sperm ultrastructure of the Chilean mussel Mytilus chilensis and Mytilus galloprovincialis corresponds to the ect-aquasperm type. Sperm from both taxa measured 55-60 μm between head (acrosome + nucleus), midpiece (only 5 mitochondria) and the flagellum which in its end piece has a smaller diameter tail. The differences between both taxa are clearly shown, in the structure of the acrosome and nucleus. Therefore, according to our results and those reported in the literature, we indicate that Chilean native mussel sperm is different from other species of the Mytilus complex (M. trossulus, M. galloprovincialis and M. edulis). These differences in sperm ultrastructure found in M. chilensis, are another trait that can be used to validate the taxonomic status of the species. Differences in sperm morphology are related with reproductive isolation, and probably will be useful to understand future data on speciation. Finally, we discussed the finding that Mytilus galloprovincialis sperm from Chile have an acrosome notoriously smaller than those reported for specimens from Europe and Africa, though they have a great similarity with specimens from Japan, as reported in the literature.

Idioma originalSpanish
Páginas (desde-hasta)172-179
Número de páginas8
PublicaciónLatin American Journal of Aquatic Research
Volumen42
N.º1
DOI
EstadoPublished - 1 ene 2014

Huella dactilar

Mytilidae
Mytilus galloprovincialis
ultrastructure
sperm
Bivalvia
spermatozoa
acrosome
mussels
Mytilus trossulus
Mytilus
reproductive isolation
mitochondrion
Mytilus edulis
Mytilus chilensis
flagellum
Chile
mitochondria
tail
invertebrate
invertebrates

ASJC Scopus subject areas

  • Oceanography
  • Aquatic Science

Citar esto

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title = "Diferencias en la ultraestructura esperm{\'a}tica entre Mytilus chilensis y Mytilus galloprovincialis (Bivalvia, Mytilidae): ¿se puede utilizar como un car{\'a}cter taxon{\'o}mico?",
abstract = "The sperm ultrastructure has been used to solve several systematic and phylogenetic problems in marine invertebrates. The sperm ultrastructure of the Chilean mussel Mytilus chilensis and Mytilus galloprovincialis corresponds to the ect-aquasperm type. Sperm from both taxa measured 55-60 μm between head (acrosome + nucleus), midpiece (only 5 mitochondria) and the flagellum which in its end piece has a smaller diameter tail. The differences between both taxa are clearly shown, in the structure of the acrosome and nucleus. Therefore, according to our results and those reported in the literature, we indicate that Chilean native mussel sperm is different from other species of the Mytilus complex (M. trossulus, M. galloprovincialis and M. edulis). These differences in sperm ultrastructure found in M. chilensis, are another trait that can be used to validate the taxonomic status of the species. Differences in sperm morphology are related with reproductive isolation, and probably will be useful to understand future data on speciation. Finally, we discussed the finding that Mytilus galloprovincialis sperm from Chile have an acrosome notoriously smaller than those reported for specimens from Europe and Africa, though they have a great similarity with specimens from Japan, as reported in the literature.",
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Diferencias en la ultraestructura espermática entre Mytilus chilensis y Mytilus galloprovincialis (Bivalvia, Mytilidae) : ¿se puede utilizar como un carácter taxonómico? / Oyarzún, Pablo A.; Toro, Jorge E.; Garrido, Orlando; Briones, Carolina; Guiñez, Ricardo.

En: Latin American Journal of Aquatic Research, Vol. 42, N.º 1, 01.01.2014, p. 172-179.

Resultado de la investigación: Article

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T1 - Diferencias en la ultraestructura espermática entre Mytilus chilensis y Mytilus galloprovincialis (Bivalvia, Mytilidae)

T2 - ¿se puede utilizar como un carácter taxonómico?

AU - Oyarzún, Pablo A.

AU - Toro, Jorge E.

AU - Garrido, Orlando

AU - Briones, Carolina

AU - Guiñez, Ricardo

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N2 - The sperm ultrastructure has been used to solve several systematic and phylogenetic problems in marine invertebrates. The sperm ultrastructure of the Chilean mussel Mytilus chilensis and Mytilus galloprovincialis corresponds to the ect-aquasperm type. Sperm from both taxa measured 55-60 μm between head (acrosome + nucleus), midpiece (only 5 mitochondria) and the flagellum which in its end piece has a smaller diameter tail. The differences between both taxa are clearly shown, in the structure of the acrosome and nucleus. Therefore, according to our results and those reported in the literature, we indicate that Chilean native mussel sperm is different from other species of the Mytilus complex (M. trossulus, M. galloprovincialis and M. edulis). These differences in sperm ultrastructure found in M. chilensis, are another trait that can be used to validate the taxonomic status of the species. Differences in sperm morphology are related with reproductive isolation, and probably will be useful to understand future data on speciation. Finally, we discussed the finding that Mytilus galloprovincialis sperm from Chile have an acrosome notoriously smaller than those reported for specimens from Europe and Africa, though they have a great similarity with specimens from Japan, as reported in the literature.

AB - The sperm ultrastructure has been used to solve several systematic and phylogenetic problems in marine invertebrates. The sperm ultrastructure of the Chilean mussel Mytilus chilensis and Mytilus galloprovincialis corresponds to the ect-aquasperm type. Sperm from both taxa measured 55-60 μm between head (acrosome + nucleus), midpiece (only 5 mitochondria) and the flagellum which in its end piece has a smaller diameter tail. The differences between both taxa are clearly shown, in the structure of the acrosome and nucleus. Therefore, according to our results and those reported in the literature, we indicate that Chilean native mussel sperm is different from other species of the Mytilus complex (M. trossulus, M. galloprovincialis and M. edulis). These differences in sperm ultrastructure found in M. chilensis, are another trait that can be used to validate the taxonomic status of the species. Differences in sperm morphology are related with reproductive isolation, and probably will be useful to understand future data on speciation. Finally, we discussed the finding that Mytilus galloprovincialis sperm from Chile have an acrosome notoriously smaller than those reported for specimens from Europe and Africa, though they have a great similarity with specimens from Japan, as reported in the literature.

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KW - Mytilus chilensis

KW - Mytilus galloprovincialis

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