Allozyme genetic distances and evolutionary relationships in species of akodontine rodents (Cricetidae: Sigmodontinae)
Allozyme genetic distances were estimated for ten species of akodontine rodents, as compared with the Oryzomyini Oligoryzomys longicaudatus, which was used as an outgroup to assess plesiomorphic character‐states. Twenty‐six loci were analysed. Distribution patterns of allele frequencies were determi...
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1989
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| Acceso en línea: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00244066_v38_n3_p257_Apfelbaum http://hdl.handle.net/20.500.12110/paper_00244066_v38_n3_p257_Apfelbaum |
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paper:paper_00244066_v38_n3_p257_Apfelbaum2023-06-08T14:52:15Z Allozyme genetic distances and evolutionary relationships in species of akodontine rodents (Cricetidae: Sigmodontinae) Akodontini allozymes electrophoresis evolutionary relationships genetic distances molecular clock Allozyme genetic distances were estimated for ten species of akodontine rodents, as compared with the Oryzomyini Oligoryzomys longicaudatus, which was used as an outgroup to assess plesiomorphic character‐states. Twenty‐six loci were analysed. Distribution patterns of allele frequencies were determined by both phenetic (UPGMA) and cladistic (PAUP') techniques. Allozyme analysis confirmed monophyly for the Akodontini, and among them, the distinctiveness of the genus Oxymycterus. Genetic divergence among the eight species of Akodon was small compared to most known species of rodents. Phenrtic and phylogenetic analysis between Bolonys obscurus and species of Akodon was m agreement with previous chromosomal work but in disagreement with the indications of morphology. The general lack of allozymic differentiation among members of the Akodontini suggests that in this group molecular divergence is unrelated to speciation. Molecular clock estimation calibrated by fossils showed that generic divergence within Akodontini started at least in the late Miocene and that divergence of Akodintini from Orizomyini occurred within the Miocene. Copyright © 1989, Wiley Blackwell. All rights reserved 1989 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00244066_v38_n3_p257_Apfelbaum http://hdl.handle.net/20.500.12110/paper_00244066_v38_n3_p257_Apfelbaum |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-134 |
| collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
Akodontini allozymes electrophoresis evolutionary relationships genetic distances molecular clock |
| spellingShingle |
Akodontini allozymes electrophoresis evolutionary relationships genetic distances molecular clock Allozyme genetic distances and evolutionary relationships in species of akodontine rodents (Cricetidae: Sigmodontinae) |
| topic_facet |
Akodontini allozymes electrophoresis evolutionary relationships genetic distances molecular clock |
| description |
Allozyme genetic distances were estimated for ten species of akodontine rodents, as compared with the Oryzomyini Oligoryzomys longicaudatus, which was used as an outgroup to assess plesiomorphic character‐states. Twenty‐six loci were analysed. Distribution patterns of allele frequencies were determined by both phenetic (UPGMA) and cladistic (PAUP') techniques. Allozyme analysis confirmed monophyly for the Akodontini, and among them, the distinctiveness of the genus Oxymycterus. Genetic divergence among the eight species of Akodon was small compared to most known species of rodents. Phenrtic and phylogenetic analysis between Bolonys obscurus and species of Akodon was m agreement with previous chromosomal work but in disagreement with the indications of morphology. The general lack of allozymic differentiation among members of the Akodontini suggests that in this group molecular divergence is unrelated to speciation. Molecular clock estimation calibrated by fossils showed that generic divergence within Akodontini started at least in the late Miocene and that divergence of Akodintini from Orizomyini occurred within the Miocene. Copyright © 1989, Wiley Blackwell. All rights reserved |
| title |
Allozyme genetic distances and evolutionary relationships in species of akodontine rodents (Cricetidae: Sigmodontinae) |
| title_short |
Allozyme genetic distances and evolutionary relationships in species of akodontine rodents (Cricetidae: Sigmodontinae) |
| title_full |
Allozyme genetic distances and evolutionary relationships in species of akodontine rodents (Cricetidae: Sigmodontinae) |
| title_fullStr |
Allozyme genetic distances and evolutionary relationships in species of akodontine rodents (Cricetidae: Sigmodontinae) |
| title_full_unstemmed |
Allozyme genetic distances and evolutionary relationships in species of akodontine rodents (Cricetidae: Sigmodontinae) |
| title_sort |
allozyme genetic distances and evolutionary relationships in species of akodontine rodents (cricetidae: sigmodontinae) |
| publishDate |
1989 |
| url |
https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00244066_v38_n3_p257_Apfelbaum http://hdl.handle.net/20.500.12110/paper_00244066_v38_n3_p257_Apfelbaum |
| _version_ |
1768546618220478464 |