Temporal and spatial diversification along the Amazonia-Cerrado transition in Neotropical treefrogs of the Boana albopunctata species group

Mittan-Moreau, Cinnamon S; Zamudio, Kelly R.; Thomé, Maria Tereza C.; Camurugi, Felipe; Colli, Guarino R.; Garda, Adrian Antonio; Haddad, Célio F. B.; Prado, Cynthia P. A.

doi:10.1016/j.ympev.2022.107579

Cited by 3 publications

(2 citation statements)

References 73 publications

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“…To our knowledge, only a taxonomic study of teiid lizards has identified reciprocal monophyly between plateau and depression lineages (Giugliano et al, 2013). Instead, as with the previously discussed role of the CBP as an allopatric barrier, most phylogeographic studies simply claim that late Neogene divergence times indicate that CBP compartmentalization structured their focal taxon, which formerly occupied the CBP highlands more uniformly (Amaral et al, 2021;Arantes et al, 2023;Domingos et al, 2014;Guarnizo et al, 2016;Miranda et al, 2019;Mittan et al, 2022;Prado et al, 2012). A few earlier phylogenetics studies also identified this pattern (Machado et al, 2014;Maciel et al, 2010).…”

Section: The Role Of the Centr Al B R A Zilian Pl Ate Au In S Truc Tu...mentioning

confidence: 97%

“…altitudinal segregation) (Ishihara et al., 2022). Other studies propose that a system of sub‐plateaus and intervening riverine depressions, formed by incision after the CBP's initial uplift, contributed to diversification and population structure, between either related populations on different sub‐plateaus (Mittan et al., 2022) or related populations on the sub‐plateaus and in the riverine depressions (Camurugi et al., 2021). Collectively, we refer to this group of hypotheses as the Central Brazilian Plateau Hypothesis (CBPH).…”

Section: The Role Of the Central Brazilian Plateau In Structuring The...mentioning

confidence: 99%

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Geoclimatic drivers of diversification in the largest arid and semi‐arid environment of the Neotropics: Perspectives from phylogeography

Guillory,

de Medeiros Magalhães,

Coelho

et al. 2024

Molecular Ecology

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The South American Dry Diagonal, also called the Diagonal of Open Formations, is a large region of seasonally dry vegetation extending from northeastern Brazil to northern Argentina, comprising the Caatinga, Cerrado, and Chaco subregions. A growing body of phylogeography literature has determined that a complex history of climatic changes coupled with more ancient geological events has produced a diverse and endemic‐rich Dry Diagonal biota. However, the exact drivers are still under investigation, and their relative strengths and effects are controversial. Pleistocene climatic fluctuations structured lineages via vegetation shifts, refugium formation, and corridors between the Amazon and Atlantic forests. In some taxa, older geological events, such as the reconfiguration of the São Francisco River, uplift of the Central Brazilian Plateau, or the Miocene inundation of the Chaco by marine incursions, were more important. Here, we review the Dry Diagonal phylogeography literature, discussing each hypothesized driver of diversification and assessing degree of support. Few studies statistically test these hypotheses, with most support drawn from associating encountered phylogeographic patterns such as population structure with the timing of ancient geoclimatic events. Across statistical studies, most hypotheses are well supported, with the exception of the Pleistocene Arc Hypothesis. However, taxonomic and regional biases persist, such as a proportional overabundance of herpetofauna studies, and the under‐representation of Chaco studies. Overall, both Pleistocene climate change and Neogene geological events shaped the evolution of the Dry Diagonal biota, though the precise effects are regionally and taxonomically varied. We encourage further use of model‐based analyses to test evolutionary scenarios, as well as interdisciplinary collaborations to progress the field beyond its current focus on the traditional set of geoclimatic hypotheses.

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Section: The Role Of the Centr Al B R A Zilian Pl Ate Au In S Truc Tu...mentioning

confidence: 97%

Section: The Role Of the Central Brazilian Plateau In Structuring The...mentioning

confidence: 99%

Geoclimatic drivers of diversification in the largest arid and semi‐arid environment of the Neotropics: Perspectives from phylogeography

Guillory,

de Medeiros Magalhães,

Coelho

et al. 2024

Molecular Ecology

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Species limits and diversification of the Dendropsophus rubicundulus subgroup (Anura, Hylidae) in Neotropical savannas

Arantes

Vasconcellos

Smith

et al. 2023

Molecular Phylogenetics and Evolution

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A single origin for the widely distributed B chromosomes of the gladiator frog Boana albopunctata

Ferro

Gatto

Netto

et al. 2023

Biological Journal of the Linnean Society

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B chromosomes are supernumerary elements that have a wide taxonomic distribution among eukaryotes. Although they are dispensable, they can acquire mechanisms to be overrepresented in the next generation and therefore avoid being eliminated. These elements have been discovered in < 2% of the karyotyped anurans. B chromosomes were described for Argentine and Brazilian populations of Boana albopunctata, a Neotropical tree frog widely distributed in the central region of South America. We assessed the distribution of B chromosomes in this species via cytogenetic studies of 365 specimens from Argentina, Brazil and Paraguay. We found that 101 individuals carried B chromosomes, with striking differences in their frequency of occurrence among localities. Our findings might be related to the evolutionary dynamics of these elements. Microdissection and chromosome painting experiments demonstrated sequence similarity between B chromosomes from localities that are > 1000 km apart, showing the most widely distributed B chromosome system known for anurans. The B chromosome system of B. albopunctata might help to fill the general knowledge gap for these elements in anurans compared with other vertebrates.

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Temporal and spatial diversification along the Amazonia-Cerrado transition in Neotropical treefrogs of the Boana albopunctata species group

Cited by 3 publications

References 73 publications

Geoclimatic drivers of diversification in the largest arid and semi‐arid environment of the Neotropics: Perspectives from phylogeography

Geoclimatic drivers of diversification in the largest arid and semi‐arid environment of the Neotropics: Perspectives from phylogeography

Species limits and diversification of the Dendropsophus rubicundulus subgroup (Anura, Hylidae) in Neotropical savannas

A single origin for the widely distributed B chromosomes of the gladiator frog Boana albopunctata

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