Temporal and spatial variation of inversion polymorphism in two natural populations of Drosophila buzzatii

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The inversion polymorphism of the cactophilic fly Drosophila buzzatii was studied in two natural populations. We assessed the temporal changes and microspatial population structure. We observed a significant increase in the frequency of arrangement 2J at the expense of 2ST in both populations. These...

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Autores principales: Fernández Iriarte, P.J., Levy, E., Devincenzi, D., Rodríguez, C., Fanara, J.J., Hasson, E.
Formato: Artículo publishedVersion
Lenguaje:Inglés
Publicado: 1999
Materias:
animal tissue
article
chromosome inversion
Drosophila
environment
genetic drift
genetic heterogeneity
genetic polymorphism
genetic variability
nonhuman
population genetics
Animals
Environment
Inversion, Chromosome
Karyotyping
Models, Genetic
Models, Statistical
Polymorphism, Genetic
Variation (Genetics)
Animalia
Drosophila buzzatii
Opuntia
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_00180661_v131_n2_p93_FernandezIriarte
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paperaa:paper_00180661_v131_n2_p93_FernandezIriarte
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spelling paperaa:paper_00180661_v131_n2_p93_FernandezIriarte2023-06-12T16:42:02Z Temporal and spatial variation of inversion polymorphism in two natural populations of Drosophila buzzatii Hereditas 1999;131(2):93-99 Fernández Iriarte, P.J. Levy, E. Devincenzi, D. Rodríguez, C. Fanara, J.J. Hasson, E. animal tissue article chromosome inversion Drosophila environment genetic drift genetic heterogeneity genetic polymorphism genetic variability nonhuman population genetics Animals Drosophila Environment Inversion, Chromosome Karyotyping Models, Genetic Models, Statistical Polymorphism, Genetic Variation (Genetics) Animalia Drosophila buzzatii Opuntia The inversion polymorphism of the cactophilic fly Drosophila buzzatii was studied in two natural populations. We assessed the temporal changes and microspatial population structure. We observed a significant increase in the frequency of arrangement 2J at the expense of 2ST in both populations. These gene arrangements appear to affect the life-history of flies differently. Environmental heterogeneity explains the karyotype coexistence in nature. The analysis of population structure showed that differentiation of inversion frequencies among individual breeding sites, the rotting clacodes of Opuntia vulgaris, was highly significant. The karyotypic frequencies did not depart significantly from Hardy-Weinberg expectations, neither in individual rots nor in the total population. These results suggest that the observed population structure can be easily accounted by random genetic drift. Fil:Fernández Iriarte, P.J. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Levy, E. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Rodríguez, C. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Fanara, J.J. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Hasson, E. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 1999 info:eu-repo/semantics/article info:ar-repo/semantics/artículo info:eu-repo/semantics/publishedVersion application/pdf eng info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_00180661_v131_n2_p93_FernandezIriarte
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
language Inglés
orig_language_str_mv eng
topic animal tissue
article
chromosome inversion
Drosophila
environment
genetic drift
genetic heterogeneity
genetic polymorphism
genetic variability
nonhuman
population genetics
Animals
Drosophila
Environment
Inversion, Chromosome
Karyotyping
Models, Genetic
Models, Statistical
Polymorphism, Genetic
Variation (Genetics)
Animalia
Drosophila buzzatii
Opuntia
spellingShingle animal tissue
article
chromosome inversion
Drosophila
environment
genetic drift
genetic heterogeneity
genetic polymorphism
genetic variability
nonhuman
population genetics
Animals
Drosophila
Environment
Inversion, Chromosome
Karyotyping
Models, Genetic
Models, Statistical
Polymorphism, Genetic
Variation (Genetics)
Animalia
Drosophila buzzatii
Opuntia
Fernández Iriarte, P.J.
Levy, E.
Devincenzi, D.
Rodríguez, C.
Fanara, J.J.
Hasson, E.
Temporal and spatial variation of inversion polymorphism in two natural populations of Drosophila buzzatii
topic_facet animal tissue
article
chromosome inversion
Drosophila
environment
genetic drift
genetic heterogeneity
genetic polymorphism
genetic variability
nonhuman
population genetics
Animals
Drosophila
Environment
Inversion, Chromosome
Karyotyping
Models, Genetic
Models, Statistical
Polymorphism, Genetic
Variation (Genetics)
Animalia
Drosophila buzzatii
Opuntia
description The inversion polymorphism of the cactophilic fly Drosophila buzzatii was studied in two natural populations. We assessed the temporal changes and microspatial population structure. We observed a significant increase in the frequency of arrangement 2J at the expense of 2ST in both populations. These gene arrangements appear to affect the life-history of flies differently. Environmental heterogeneity explains the karyotype coexistence in nature. The analysis of population structure showed that differentiation of inversion frequencies among individual breeding sites, the rotting clacodes of Opuntia vulgaris, was highly significant. The karyotypic frequencies did not depart significantly from Hardy-Weinberg expectations, neither in individual rots nor in the total population. These results suggest that the observed population structure can be easily accounted by random genetic drift.
format Artículo
Artículo
publishedVersion
author Fernández Iriarte, P.J.
Levy, E.
Devincenzi, D.
Rodríguez, C.
Fanara, J.J.
Hasson, E.
author_facet Fernández Iriarte, P.J.
Levy, E.
Devincenzi, D.
Rodríguez, C.
Fanara, J.J.
Hasson, E.
author_sort Fernández Iriarte, P.J.
title Temporal and spatial variation of inversion polymorphism in two natural populations of Drosophila buzzatii
title_short Temporal and spatial variation of inversion polymorphism in two natural populations of Drosophila buzzatii
title_full Temporal and spatial variation of inversion polymorphism in two natural populations of Drosophila buzzatii
title_fullStr Temporal and spatial variation of inversion polymorphism in two natural populations of Drosophila buzzatii
title_full_unstemmed Temporal and spatial variation of inversion polymorphism in two natural populations of Drosophila buzzatii
title_sort temporal and spatial variation of inversion polymorphism in two natural populations of drosophila buzzatii
publishDate 1999
url http://hdl.handle.net/20.500.12110/paper_00180661_v131_n2_p93_FernandezIriarte
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