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Abstract:

The spectacled porpoise (Phocoena dioptrica, Lahille, 1912) is one of the cetacean species about which least is known. Most information on the biology and ecology of this species has been obtained from stranded specimens and sightings at sea. In this study, analysis of 380. bp fragment of mitochondrial DNA (mtDNA) control region sequences (N=50) was performed to provide a preliminary assessment of the genetic variation in spectacled porpoise specimens found stranded or by caught on the coast of Tierra del Fuego, Argentina. Results showed high levels of mtDNA diversity, as expected in large size and stable populations, and similar to other species of porpoises. The star-like shape phylogeny of haplotypes indicates a recent population expansion. This is the first report on the genetic variation of this species. Other lines of evidence (microsatellite loci, single-nucleotide polymorphism (SNPs)) are needed to improve our knowledge on the molecular biology of the spectacled porpoise. © 2012 Deutsche Gesellschaft für Säugetierkunde.

Registro:

Documento: Artículo
Título:First mitochondrial DNA analysis of the spectacled porpoise (Phocoena dioptrica) from Tierra del Fuego, Argentina
Autor:Pimper, L.E.; Goodall, R.N.P.; Remis, M.I.
Filiación:Museo Acatushún de Aves y Mamíferos Marinos Australes (AMMA), Sarmiento 44 (9410), Ushuaia, Tierra del Fuego, Argentina
Laboratorio de Genética de la Estructura Poblacional, Depto. de Ecología, Genética y Evolución, Facultad de Ciencias Exactas y Naturales (FCEN), Universidad de Buenos Aires, Buenos Aires, Argentina
Centro Austral de Investigaciones Científicas (CADIC), Bernardo Houssay 200 (9410), Ushuaia, Tierra del Fuego, Argentina
Palabras clave:Argentina; MtDNA variation; Phocoena dioptrica; Spectacled porpoise; Tierra del Fuego; genetic marker; mitochondrial DNA; molecular analysis; new record; phylogeny; porpoise; Argentina; Tierra del Fuego [(PRV) Argentina]; Australophocaena dioptrica; Cetacea; Phocoena dioptrica; Phocoenidae
Año:2012
Volumen:77
Número:6
Página de inicio:459
Página de fin:462
DOI: http://dx.doi.org/10.1016/j.mambio.2012.02.002
Título revista:Mammalian Biology
Título revista abreviado:Mamm. Biol.
ISSN:16165047
CODEN:MBAIC
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_16165047_v77_n6_p459_Pimper

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Citas:

---------- APA ----------
Pimper, L.E., Goodall, R.N.P. & Remis, M.I. (2012) . First mitochondrial DNA analysis of the spectacled porpoise (Phocoena dioptrica) from Tierra del Fuego, Argentina. Mammalian Biology, 77(6), 459-462.
http://dx.doi.org/10.1016/j.mambio.2012.02.002
---------- CHICAGO ----------
Pimper, L.E., Goodall, R.N.P., Remis, M.I. "First mitochondrial DNA analysis of the spectacled porpoise (Phocoena dioptrica) from Tierra del Fuego, Argentina" . Mammalian Biology 77, no. 6 (2012) : 459-462.
http://dx.doi.org/10.1016/j.mambio.2012.02.002
---------- MLA ----------
Pimper, L.E., Goodall, R.N.P., Remis, M.I. "First mitochondrial DNA analysis of the spectacled porpoise (Phocoena dioptrica) from Tierra del Fuego, Argentina" . Mammalian Biology, vol. 77, no. 6, 2012, pp. 459-462.
http://dx.doi.org/10.1016/j.mambio.2012.02.002
---------- VANCOUVER ----------
Pimper, L.E., Goodall, R.N.P., Remis, M.I. First mitochondrial DNA analysis of the spectacled porpoise (Phocoena dioptrica) from Tierra del Fuego, Argentina. Mamm. Biol. 2012;77(6):459-462.
http://dx.doi.org/10.1016/j.mambio.2012.02.002