Discordant temporal and geographic patterns in maternal lineages of eastern north American frogs, Rana catesbeiana (Ranidae) and Pseudacris crucifer (Hylidae)

Austin, James D.; Lougheed, Stephen C.; Boag, Peter T.

doi:10.1016/j.ympev.2004.03.006

Cited by 77 publications

(144 citation statements)

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“…A monophyletic western group was derived from a more genetically diverse eastern group and the two were isolated allopatrically during the early Pleistocene by the Mississippi basin; both groups probably survived the glaciation in the coastal plains. The spring peeper Pseudacris crucifer is also allopatrically differentiated into eastern and western groups, but in this case with glacial refugia in multiple sites in the south Appalachians and in the Ozark central highlands, respectively (Austin et al, 2004). The depth of divergence in this species indicates late Pliocene vicariance as an early cause.…”

Section: North Temperate Zone: North America and Europementioning

confidence: 84%

“…P. crucifer differentiated into distinct eastern and central clades on either side of the Appalachians. Highest levels of genetic diversity for both species occur in Ontario, a region of admixture where previously separate lineages have made secondary (postglacial) contact (Austin et al, 2004). Geographical overlap of eastern and western clades today demonstrate that the Mississippi has not acted as a continuous barrier, particularly for R. catesbeiana, and was probably most effective during interglacial periods of high sea level.…”

Section: North Temperate Zone: North America and Europementioning

confidence: 98%

“…Many of the most widespread anurans in North America occur today between the east coast and the Rocky Mountains. Rana catesbeiana, the North American bullfrog, can be differentiated into two major genetic lineages using cytb mtDNA sequences (Austin et al, 2004). A monophyletic western group was derived from a more genetically diverse eastern group and the two were isolated allopatrically during the early Pleistocene by the Mississippi basin; both groups probably survived the glaciation in the coastal plains.…”

Section: North Temperate Zone: North America and Europementioning

confidence: 99%

“…Amphibian phylogeography I Zeisset and TJC Beebee north from both east and west of the Appalachians and then around the Great Lakes (Figure 3), generating admixture with each other (clades A and D) and with the advancing western clade C (Austin et al, 2002(Austin et al, , 2004. NCA applies statistical tests to haplotype networks, followed by more subjective inferences about what the statistically robust patterns might mean.…”

Section: North Temperate Zone: North America and Europementioning

confidence: 99%

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Amphibian phylogeography: a model for understanding historical aspects of species distributions

2008

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Phylogeographic analysis has become a major tool for investigating historical aspects of biogeography and population genetic structure. Anuran amphibians are particularly informative subjects for phylogeographic research on account of their global distribution, high degree of population genetic structure and ease of sampling. Studies on all the world's inhabited continents have demonstrated the nature and locations of refugia, including the Gulf Coast in North America and the Mediterranean peninsulas in Europe during the Pleistocene glaciations; the importance of vicariance events such as the uplift of the Andes in shaping modern distributions; and colonization routes in temperate zones during postglacial climatic amelioration. Features identified as important to amphibian biogeography, notably mountain ranges, large rivers such as the Amazon and climatic fluctuations, are common to many other taxa. New analytical methods based on coalescent, Bayesian and likelihood approaches permit more rigorous hypothesis testing than has hitherto been possible and offer the prospect of even more detailed insights into species and population history in future work.

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Section: North Temperate Zone: North America and Europementioning

confidence: 84%

Section: North Temperate Zone: North America and Europementioning

confidence: 98%

Section: North Temperate Zone: North America and Europementioning

confidence: 99%

Section: North Temperate Zone: North America and Europementioning

confidence: 99%

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Amphibian phylogeography: a model for understanding historical aspects of species distributions

2008

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“…As a result of the geological processes that formed it, the Interior Highlands has a distinct fauna with high instances of endemism and drainage patterns that have dictated diversity (Mayden 1985, Mayden 1988, Matthews and Robison 1998, Austin et al 2004, Bonett and Chippindale 2004. The Interior Highlands also served as a refugium for many species during pe-With nearly 170 recognized species (Johnson et al 2013), the family Pleuroceridae is the second largest group of freshwater snails in North America behind only the Hydrobiidae.…”

Section: Introductionmentioning

confidence: 99%

Genetic structuring in the Pyramid Elimia, Elimia potosiensis (Gastropoda, Pleuroceridae), with implications for pleurocerid conservation

Minton¹,

McGregor²,

Hayes³

et al. 2017

ZSE

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The Interior Highlands, in southern North America, possesses a distinct fauna with numerous endemic species. Many freshwater taxa from this area exhibit genetic structuring consistent with biogeography, but this notion has not been explored in freshwater snails. Using mitochondrial 16S DNA sequences and ISSRs, we aimed to examine genetic structuring in the Pyramid Elimia, Elimia potosiensis, at various geographic scales. On a broad scale, maximum likelihood and network analyses of 16S data revealed a high diversity of mitotypes lacking biogeographic patterns across the range of E. potosiensis. On smaller geographic scales, ISSRs revealed significant population structure, even over the distance of a few hundred meters. Unlike other freshwater mollusks like mussels, E. potosiensis showed no evolutionary patterns relating to biogeography. The species does show population-level genetic structure, which may have implications in conservation efforts.

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Genetic reconstruction of a bullfrog invasion to elucidate vectors of introduction and secondary spread

Kamath

Sepulveda

Layhee

2016

Ecology and Evolution

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Reconstructing historical colonization pathways of an invasive species is critical for uncovering factors that determine invasion success and for designing management strategies. The American bullfrog (Lithobates catesbeianus) is endemic to eastern North America, but now has a global distribution and is considered to be one of the worst invaders in the world. In Montana, several introduced populations have been reported, but little is known of their sources and vectors of introduction and secondary spread. We evaluated the genetic composition of introduced populations at local (Yellowstone River floodplain) and regional (Montana and Wyoming) scales in contrast to native range populations. Our objectives were to (1) estimate the number of introductions, (2) identify probable native sources, (3) evaluate genetic variation relative to sources, and (4) characterize properties of local‐ and regional‐scale spread. We sequenced 937 bp of the mitochondrial cytochrome b locus in 395 tadpoles collected along 100 km of the Yellowstone River, from three additional sites in MT and a proximate site in WY. Pairwise ΦST revealed high divergence among nonnative populations, suggesting at least four independent introductions into MT from diverse sources. Three cyt b haplotypes were identical to native haplotypes distributed across the Midwest and Great Lakes regions, and AMOVA confirmed the western native region as a likely source. While haplotype (H d = 0.69) and nucleotide diversity (π = 0.005) were low in introduced bullfrogs, the levels of diversity did not differ significantly from source populations. In the Yellowstone, two identified haplotypes implied few introduction vectors and a significant relationship between genetic and river distance was found. Evidence for multiple invasions and lack of subsequent regional spread emphasizes the importance of enforcing legislation prohibiting bullfrog importation and the need for continuing public education to prevent transport of bullfrogs in MT. More broadly, this study demonstrates how genetic approaches can reveal key properties of a biological invasion to inform management strategies.

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Discordant temporal and geographic patterns in maternal lineages of eastern north American frogs, Rana catesbeiana (Ranidae) and Pseudacris crucifer (Hylidae)

Cited by 77 publications

References 54 publications

Amphibian phylogeography: a model for understanding historical aspects of species distributions

Amphibian phylogeography: a model for understanding historical aspects of species distributions

Genetic structuring in the Pyramid Elimia, Elimia potosiensis (Gastropoda, Pleuroceridae), with implications for pleurocerid conservation

Genetic reconstruction of a bullfrog invasion to elucidate vectors of introduction and secondary spread

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