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Abstract:

Genetic variation encoded by 31-35 loci was estimated in four populations of subterranean rodent Ctenomys australis and in one population of C. porteousi. Estimates of observed heterozygosity per population ranged from 0.00 to 11.18%, and polymorphism from 0.00 to 45.00%. These results were compared with data from other subterranean and non-subterranean rodents in their bearing on different models for interpretation of genetic variability in subterranean rodents. The high variation in H and P values found in different species and populations of tuco-tucos suggest that in them, population structure is probably more important that environmental homogeneity in triggering genetic variation. In contrast to C. porteousi, Fis values suggested that there is no strong evidence for inbreeding within populations of C. australis. Fst values indicated a considerable genetic divergence among population samples in C. autralis. Estimates of genetic distance [D] values among the four populations of C. australis showed an average value of D = 0.0158, similar to those found between local populations of the same species in other organisms. © 1991.

Registro:

Documento: Artículo
Título:Genetic variability in the subterranean rodents Ctenomys australis and Ctenomys porteousi (Rodentia:Octodontidae)
Autor:Apfelbaum, L.I.; Massarini, A.I.; Daleffe, L.E.; Reig, O.A.
Filiación:GIBE, Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Pabellon 2, Ciudad Universitaria Nunez, 1428 Buenos Aires, Argentina
Palabras clave:allozymes; Ctenomys; genetic variability; local populations; subterranean rodents
Año:1991
Volumen:19
Número:6
Página de inicio:467
Página de fin:476
DOI: http://dx.doi.org/10.1016/0305-1978(91)90067-A
Título revista:Biochemical Systematics and Ecology
Título revista abreviado:Biochem. Syst. Ecol.
ISSN:03051978
CODEN:BSECB
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03051978_v19_n6_p467_Apfelbaum

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Citas:

---------- APA ----------
Apfelbaum, L.I., Massarini, A.I., Daleffe, L.E. & Reig, O.A. (1991) . Genetic variability in the subterranean rodents Ctenomys australis and Ctenomys porteousi (Rodentia:Octodontidae). Biochemical Systematics and Ecology, 19(6), 467-476.
http://dx.doi.org/10.1016/0305-1978(91)90067-A
---------- CHICAGO ----------
Apfelbaum, L.I., Massarini, A.I., Daleffe, L.E., Reig, O.A. "Genetic variability in the subterranean rodents Ctenomys australis and Ctenomys porteousi (Rodentia:Octodontidae)" . Biochemical Systematics and Ecology 19, no. 6 (1991) : 467-476.
http://dx.doi.org/10.1016/0305-1978(91)90067-A
---------- MLA ----------
Apfelbaum, L.I., Massarini, A.I., Daleffe, L.E., Reig, O.A. "Genetic variability in the subterranean rodents Ctenomys australis and Ctenomys porteousi (Rodentia:Octodontidae)" . Biochemical Systematics and Ecology, vol. 19, no. 6, 1991, pp. 467-476.
http://dx.doi.org/10.1016/0305-1978(91)90067-A
---------- VANCOUVER ----------
Apfelbaum, L.I., Massarini, A.I., Daleffe, L.E., Reig, O.A. Genetic variability in the subterranean rodents Ctenomys australis and Ctenomys porteousi (Rodentia:Octodontidae). Biochem. Syst. Ecol. 1991;19(6):467-476.
http://dx.doi.org/10.1016/0305-1978(91)90067-A