Cryptic lineages and diversification of an endemic anole lizard (Squamata, Dactyloidae) of the Cerrado hotspot
The Cerrado is a wide Neotropical savanna with tremendously high endemic diversity. Yet, it is not clear what the prevalent processes leading to such diversification are. We used the Cerrado-endemic lizard Norops meridionalis to investigate the main abiotic factors that promoted genetic divergence,...
| Autor principal: | Guarnizo, Carlos E. |
|---|---|
| Outros Autores: | Werneck, F. P., Giugliano, Lilian Gimenes, Santos, Marcella Gonçalves, Fenker, Jéssica, Sousa, Lucas, D'Angiolella, Annelise Batista, dos Santos, Adriana R., Strüssmann, Christine, Rodrigues, Miguel Trefaut, Dorado-Rodrigues, Tainá Figueras, Gamble, Tony, Colli, Guarino R. |
| Grau: | Artigo |
| Idioma: | English |
| Publicado em: |
Molecular Phylogenetics and Evolution
2020
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| Acesso em linha: |
https://repositorio.inpa.gov.br/handle/1/17423 |
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oai:repositorio:1-17423 |
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oai:repositorio:1-17423 Cryptic lineages and diversification of an endemic anole lizard (Squamata, Dactyloidae) of the Cerrado hotspot Guarnizo, Carlos E. Werneck, F. P. Giugliano, Lilian Gimenes Santos, Marcella Gonçalves Fenker, Jéssica Sousa, Lucas D'Angiolella, Annelise Batista dos Santos, Adriana R. Strüssmann, Christine Rodrigues, Miguel Trefaut Dorado-Rodrigues, Tainá Figueras Gamble, Tony Colli, Guarino R. Animals Brasil Classification Dna Sequence Genetic Variation Genetics Grassland Lizard Phylogeny Phylogeography Species Differentiation Animal Brasil Genetic Speciation Genetic Variation Grassland Lizards Phylogeny Phylogeography Sequence Analysis, Dna The Cerrado is a wide Neotropical savanna with tremendously high endemic diversity. Yet, it is not clear what the prevalent processes leading to such diversification are. We used the Cerrado-endemic lizard Norops meridionalis to investigate the main abiotic factors that promoted genetic divergence, the timings of these divergence events, and how these relate to cryptic diversity in the group. We sequenced mitochondrial and nuclear genes from 21 sites of N. meridionalis to generate species tree, divergence time estimations, and estimate species limits. We also performed population-level analysis and estimated distribution models to test the roles of niche conservatism and divergence in the group diversification. We found that N. meridionalis is composed by at least five cryptic species. Divergence time estimations suggest that the deepest branches split back into the early-mid Miocene, when most of the geophysical activity of the Cerrado took place. The deep divergences found in N. meridionalis suggest that beta anoles invaded South America much earlier than previously thought. Recent published evidence supports this view, indicating that the Panama gap closed as early as 15. mya, allowing for an early invasion of Norops into South America. The spatial pattern of diversification within N. meridionalis follows a northwest-southeast direction, which is consistent across several species of vertebrates endemic to the Cerrado. Also, we found evidence for non-stationary isolation by distance, which occurs when genetic differentiation depends on space. Our preliminary data in two out of five lineages suggest that niche conservatism is an important mechanism that promoted geographic fragmentation in the group. © 2015 Elsevier Inc. 2020-06-15T21:42:32Z 2020-06-15T21:42:32Z 2016 Artigo https://repositorio.inpa.gov.br/handle/1/17423 10.1016/j.ympev.2015.09.005 en Volume 94, Pags. 279-289 Restrito Molecular Phylogenetics and Evolution |
| institution |
Instituto Nacional de Pesquisas da Amazônia - Repositório Institucional |
| collection |
INPA-RI |
| language |
English |
| topic |
Animals Brasil Classification Dna Sequence Genetic Variation Genetics Grassland Lizard Phylogeny Phylogeography Species Differentiation Animal Brasil Genetic Speciation Genetic Variation Grassland Lizards Phylogeny Phylogeography Sequence Analysis, Dna |
| spellingShingle |
Animals Brasil Classification Dna Sequence Genetic Variation Genetics Grassland Lizard Phylogeny Phylogeography Species Differentiation Animal Brasil Genetic Speciation Genetic Variation Grassland Lizards Phylogeny Phylogeography Sequence Analysis, Dna Guarnizo, Carlos E. Cryptic lineages and diversification of an endemic anole lizard (Squamata, Dactyloidae) of the Cerrado hotspot |
| topic_facet |
Animals Brasil Classification Dna Sequence Genetic Variation Genetics Grassland Lizard Phylogeny Phylogeography Species Differentiation Animal Brasil Genetic Speciation Genetic Variation Grassland Lizards Phylogeny Phylogeography Sequence Analysis, Dna |
| description |
The Cerrado is a wide Neotropical savanna with tremendously high endemic diversity. Yet, it is not clear what the prevalent processes leading to such diversification are. We used the Cerrado-endemic lizard Norops meridionalis to investigate the main abiotic factors that promoted genetic divergence, the timings of these divergence events, and how these relate to cryptic diversity in the group. We sequenced mitochondrial and nuclear genes from 21 sites of N. meridionalis to generate species tree, divergence time estimations, and estimate species limits. We also performed population-level analysis and estimated distribution models to test the roles of niche conservatism and divergence in the group diversification. We found that N. meridionalis is composed by at least five cryptic species. Divergence time estimations suggest that the deepest branches split back into the early-mid Miocene, when most of the geophysical activity of the Cerrado took place. The deep divergences found in N. meridionalis suggest that beta anoles invaded South America much earlier than previously thought. Recent published evidence supports this view, indicating that the Panama gap closed as early as 15. mya, allowing for an early invasion of Norops into South America. The spatial pattern of diversification within N. meridionalis follows a northwest-southeast direction, which is consistent across several species of vertebrates endemic to the Cerrado. Also, we found evidence for non-stationary isolation by distance, which occurs when genetic differentiation depends on space. Our preliminary data in two out of five lineages suggest that niche conservatism is an important mechanism that promoted geographic fragmentation in the group. © 2015 Elsevier Inc. |
| format |
Artigo |
| author |
Guarnizo, Carlos E. |
| author2 |
Werneck, F. P. Giugliano, Lilian Gimenes Santos, Marcella Gonçalves Fenker, Jéssica Sousa, Lucas D'Angiolella, Annelise Batista dos Santos, Adriana R. Strüssmann, Christine Rodrigues, Miguel Trefaut Dorado-Rodrigues, Tainá Figueras Gamble, Tony Colli, Guarino R. |
| author2Str |
Werneck, F. P. Giugliano, Lilian Gimenes Santos, Marcella Gonçalves Fenker, Jéssica Sousa, Lucas D'Angiolella, Annelise Batista dos Santos, Adriana R. Strüssmann, Christine Rodrigues, Miguel Trefaut Dorado-Rodrigues, Tainá Figueras Gamble, Tony Colli, Guarino R. |
| title |
Cryptic lineages and diversification of an endemic anole lizard (Squamata, Dactyloidae) of the Cerrado hotspot |
| title_short |
Cryptic lineages and diversification of an endemic anole lizard (Squamata, Dactyloidae) of the Cerrado hotspot |
| title_full |
Cryptic lineages and diversification of an endemic anole lizard (Squamata, Dactyloidae) of the Cerrado hotspot |
| title_fullStr |
Cryptic lineages and diversification of an endemic anole lizard (Squamata, Dactyloidae) of the Cerrado hotspot |
| title_full_unstemmed |
Cryptic lineages and diversification of an endemic anole lizard (Squamata, Dactyloidae) of the Cerrado hotspot |
| title_sort |
cryptic lineages and diversification of an endemic anole lizard (squamata, dactyloidae) of the cerrado hotspot |
| publisher |
Molecular Phylogenetics and Evolution |
| publishDate |
2020 |
| url |
https://repositorio.inpa.gov.br/handle/1/17423 |
| _version_ |
1787144900338253824 |
| score |
11.755432 |