Geographic patterns of inversion polymorphism in the second chromosome of the cactophilic drosophila buzzatii from Northeastern Argentina
The inversion polymorphisms of the cactophilic Drosophila buzzatti Patterson and Wheeler (Diptera: Drosophilidae) were studied in new areas of its distribution in Argentina. A total of thirty-eight natural populations, including 29 from previous studies, were analyzed using multiple regression analy...
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2010
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| Acceso en línea: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15362442_v10_n_p_Soto http://hdl.handle.net/20.500.12110/paper_15362442_v10_n_p_Soto |
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paper:paper_15362442_v10_n_p_Soto2023-06-08T16:20:13Z Geographic patterns of inversion polymorphism in the second chromosome of the cactophilic drosophila buzzatii from Northeastern Argentina Soto, Ignacio M. Soto, Eduardo M. Carreira, Valeria Paula Hurtado, Juan Pablo Fanara, Juan Jose Hasson, Esteban Ruben cactus clines geographic variation natural selection Opuntia Cactaceae Diptera Drosophila buzzatii Drosophilidae Opuntia adaptation altitude animal Argentina article chromosome analysis chromosome inversion climate Drosophila genetic selection genetics geography physiology regression analysis Adaptation, Biological Altitude Animals Argentina Chromosome Inversion Climate Cytogenetic Analysis Drosophila Geography Regression Analysis Selection, Genetic The inversion polymorphisms of the cactophilic Drosophila buzzatti Patterson and Wheeler (Diptera: Drosophilidae) were studied in new areas of its distribution in Argentina. A total of thirty-eight natural populations, including 29 from previous studies, were analyzed using multiple regression analyses. The results showed that about 23% of total variation was accounted for by a multiple regression model in which only altitude contributed significantly to population variation, despite the fact that latitude and longitude were also included in the model. Also, inversion frequencies exhibited significant associations with mean annual temperature, precipitation, and atmospheric pressure. In addition, expected heterozygosity exhibited a negative association with temperature and precipitation and a positive association with atmospheric pressure. The close similarity of the patterns detected in this larger dataset to previous reports is an indication of the stability of the clines. Also, the concurrence of the clines detected in Argentina with those reported for colonizing populations of Australia suggests the involvement of natural selection as the main mechanism shaping inversion frequencies in D. buzzatii. Fil:Soto, I.M. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Soto, E.M. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Carreira, V.P. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Hurtado, J. 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. 2010 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15362442_v10_n_p_Soto http://hdl.handle.net/20.500.12110/paper_15362442_v10_n_p_Soto |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-134 |
| collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
cactus clines geographic variation natural selection Opuntia Cactaceae Diptera Drosophila buzzatii Drosophilidae Opuntia adaptation altitude animal Argentina article chromosome analysis chromosome inversion climate Drosophila genetic selection genetics geography physiology regression analysis Adaptation, Biological Altitude Animals Argentina Chromosome Inversion Climate Cytogenetic Analysis Drosophila Geography Regression Analysis Selection, Genetic |
| spellingShingle |
cactus clines geographic variation natural selection Opuntia Cactaceae Diptera Drosophila buzzatii Drosophilidae Opuntia adaptation altitude animal Argentina article chromosome analysis chromosome inversion climate Drosophila genetic selection genetics geography physiology regression analysis Adaptation, Biological Altitude Animals Argentina Chromosome Inversion Climate Cytogenetic Analysis Drosophila Geography Regression Analysis Selection, Genetic Soto, Ignacio M. Soto, Eduardo M. Carreira, Valeria Paula Hurtado, Juan Pablo Fanara, Juan Jose Hasson, Esteban Ruben Geographic patterns of inversion polymorphism in the second chromosome of the cactophilic drosophila buzzatii from Northeastern Argentina |
| topic_facet |
cactus clines geographic variation natural selection Opuntia Cactaceae Diptera Drosophila buzzatii Drosophilidae Opuntia adaptation altitude animal Argentina article chromosome analysis chromosome inversion climate Drosophila genetic selection genetics geography physiology regression analysis Adaptation, Biological Altitude Animals Argentina Chromosome Inversion Climate Cytogenetic Analysis Drosophila Geography Regression Analysis Selection, Genetic |
| description |
The inversion polymorphisms of the cactophilic Drosophila buzzatti Patterson and Wheeler (Diptera: Drosophilidae) were studied in new areas of its distribution in Argentina. A total of thirty-eight natural populations, including 29 from previous studies, were analyzed using multiple regression analyses. The results showed that about 23% of total variation was accounted for by a multiple regression model in which only altitude contributed significantly to population variation, despite the fact that latitude and longitude were also included in the model. Also, inversion frequencies exhibited significant associations with mean annual temperature, precipitation, and atmospheric pressure. In addition, expected heterozygosity exhibited a negative association with temperature and precipitation and a positive association with atmospheric pressure. The close similarity of the patterns detected in this larger dataset to previous reports is an indication of the stability of the clines. Also, the concurrence of the clines detected in Argentina with those reported for colonizing populations of Australia suggests the involvement of natural selection as the main mechanism shaping inversion frequencies in D. buzzatii. |
| author |
Soto, Ignacio M. Soto, Eduardo M. Carreira, Valeria Paula Hurtado, Juan Pablo Fanara, Juan Jose Hasson, Esteban Ruben |
| author_facet |
Soto, Ignacio M. Soto, Eduardo M. Carreira, Valeria Paula Hurtado, Juan Pablo Fanara, Juan Jose Hasson, Esteban Ruben |
| author_sort |
Soto, Ignacio M. |
| title |
Geographic patterns of inversion polymorphism in the second chromosome of the cactophilic drosophila buzzatii from Northeastern Argentina |
| title_short |
Geographic patterns of inversion polymorphism in the second chromosome of the cactophilic drosophila buzzatii from Northeastern Argentina |
| title_full |
Geographic patterns of inversion polymorphism in the second chromosome of the cactophilic drosophila buzzatii from Northeastern Argentina |
| title_fullStr |
Geographic patterns of inversion polymorphism in the second chromosome of the cactophilic drosophila buzzatii from Northeastern Argentina |
| title_full_unstemmed |
Geographic patterns of inversion polymorphism in the second chromosome of the cactophilic drosophila buzzatii from Northeastern Argentina |
| title_sort |
geographic patterns of inversion polymorphism in the second chromosome of the cactophilic drosophila buzzatii from northeastern argentina |
| publishDate |
2010 |
| url |
https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15362442_v10_n_p_Soto http://hdl.handle.net/20.500.12110/paper_15362442_v10_n_p_Soto |
| work_keys_str_mv |
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