Genetic variability in the subterranean rodents Ctenomys australis and Ctenomys porteousi (Rodentia:Octodontidae)

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...

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Autor principal: Apfelbaum, L.I
Otros Autores: Massarini, A.I, Daleffe, L.E, Reig, O.A
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: 1991
Acceso en línea:Registro en Scopus
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100 1 |a Apfelbaum, L.I. 
245 1 0 |a Genetic variability in the subterranean rodents Ctenomys australis and Ctenomys porteousi (Rodentia:Octodontidae) 
260 |c 1991 
270 1 0 |m Reig, O.A.; GIBE, Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Pabellon 2, Ciudad Universitaria Nunez, 1428 Buenos Aires, Argentina 
506 |2 openaire  |e Política editorial 
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504 |a Ortells, Biologia Evolutiva del genero Ctenomys (1990) Doctorate thesis, , University of Buenos Aires, (unpublished) 
504 |a Massarini, Barros, Ortells, Reig, (1991) Genetica, 83, p. 131 
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520 3 |a 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.  |l eng 
536 |a Detalles de la financiación: Universidad de Buenos Aires, 130 
536 |a Detalles de la financiación: Consejo Nacional de Investigaciones Científicas y Técnicas, PID No. 3085300-85 
536 |a Detalles de la financiación: Acknowledgements--Wee speciallyt hank O. A. Scaglia for his valuablet echnicalc ollaborationC. . Bush, C. Quintana, S. Blaustein,S . M. Giannoni and M. I. Lohfeldt are acknowledgedf or their help in the field. J. L. Patton, E. Hasson, E. Lessa, M. A. Barros, M. Ortells and J. Vilardi contributedw ith valuables uggestionsa nd critical examinationo f the manuscript. Financial support was made available by CONICET Grant PID No. 3085300-85, Universidad de Buenos Aires Grant Exp. No. 130, and Organizationo f American States Grant "Biosistem~ticdae Roedores Muroideos y Caviomorfos",a ll of them given to O. A. Reig. 
593 |a GIBE, Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Pabellon 2, Ciudad Universitaria Nunez, 1428 Buenos Aires, Argentina 
690 1 0 |a ALLOZYMES 
690 1 0 |a CTENOMYS 
690 1 0 |a GENETIC VARIABILITY 
690 1 0 |a LOCAL POPULATIONS 
690 1 0 |a SUBTERRANEAN RODENTS 
700 1 |a Massarini, A.I. 
700 1 |a Daleffe, L.E. 
700 1 |a Reig, O.A. 
773 0 |d 1991  |g v. 19  |h pp. 467-476  |k n. 6  |p Biochem. Syst. Ecol.  |x 03051978  |w (AR-BaUEN)CENRE-813  |t Biochemical Systematics and Ecology 
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856 4 0 |u https://doi.org/10.1016/0305-1978(91)90067-A  |y DOI 
856 4 0 |u https://hdl.handle.net/20.500.12110/paper_03051978_v19_n6_p467_Apfelbaum  |y Handle 
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