Search Results - "Steppan, Scott J."

Ecological Opportunity and Incumbency in the Diversification of Repeated Continental Colonizations by Muroid Rodents by Schenk, John J., Rowe, Kevin C., Steppan, Scott J.

“…Why some clades are more species-rich than others is a central question in macroevolution. Most hypotheses explaining exceptionally diverse clades involve the…”
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Oceanic islands of Wallacea as a source for dispersal and diversification of murine rodents by Rowe, Kevin C., Achmadi, Anang S., Fabre, Pierre‐Henri, Schenk, John J., Steppan, Scott J., Esselstyn, Jacob A.

“…Aim To determine the historical dynamics of colonization and whether the relative timing of colonization predicts diversification rate in the species‐rich,…”
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Muroid rodent phylogenetics: 900-species tree reveals increasing diversification rates by Steppan, Scott J, Schenk, John J

“…We combined new sequence data for more than 300 muroid rodent species with our previously published sequences for up to five nuclear and one mitochondrial…”
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Phylogenetics and the evolution of terrestriality in mudskippers (Gobiidae: Oxudercinae) by Steppan, Scott J., Meyer, Anna A., Barrow, Lisa N., Alhajeri, Bader H., Al-Zaidan, Amani S.Y., Gignac, Paul M., Erickson, Gregory M.

“…[Display omitted] •The most extreme specializations to terrestriality evolved twice.•Intermediate morphologies are independent adaptions to living in mud or…”
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Insights into the ecology and evolutionary success of crocodilians revealed through bite-force and tooth-pressure experimentation by Erickson, Gregory M, Gignac, Paul M, Steppan, Scott J, Lappin, A Kristopher, Vliet, Kent A, Brueggen, John D, Inouye, Brian D, Kledzik, David, Webb, Grahame J W

“…Crocodilians have dominated predatory niches at the water-land interface for over 85 million years. Like their ancestors, living species show substantial…”
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Phylogeny and Divergence-Date Estimates of Rapid Radiations in Muroid Rodents Based on Multiple Nuclear Genes by Steppan, Scott J., Adkins, Ronald M., Anderson, Joel, Thorne, Jeff

“…The muroid rodents are the largest superfamily of mammals, containing nearly one third of all mammal species. We report on a phylogenetic study comprising 53…”
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Pliocene colonization and adaptive radiations in Australia and New Guinea (Sahul): Multilocus systematics of the old endemic rodents (Muroidea: Murinae) by Rowe, Kevin C., Reno, Michael L., Richmond, Daniel M., Adkins, Ronald M., Steppan, Scott J.

“…The old endemic rodents of Australia and New Guinea (Sahul) represent one or more large adaptive radiations including novel morphological adaptations to…”
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Ancient hybridization and mitochondrial capture between two species of chipmunks by GOOD, JEFFREY M, HIRD, SARAH, REID, NOAH, DEMBOSKI, JOHN R, STEPPAN, SCOTT J, MARTIN-NIMS, TINA R, SULLIVAN, JACK

“…Models that posit speciation in the face of gene flow are replacing classical views that hybridization is rare between animal species. We use a multilocus…”
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Comparative quantitative genetics: evolution of the G matrix by Steppan, Scott J., Phillips, Patrick C., Houle, David

“…Quantitative genetics provides one of the most promising frameworks with which to unify the fields of macroevolution and microevolution. The genetic…”
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Molecular phylogenetics and historical biogeography amid shifting continents in the cockles and giant clams (Bivalvia: Cardiidae) by Herrera, Nathanael D., ter Poorten, Jan Johan, Bieler, Rüdiger, Mikkelsen, Paula M., Strong, Ellen E., Jablonski, David, Steppan, Scott J.

“…[Display omitted] •We reconstruct the phylogeny of the cockles and giant clams (Bivalvia: Cardiidae).•We use a DEC model to resolve the ancestral distribution…”
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Phylogenomic evidence for multiple losses of flight in ratite birds by Harshman, John, Braun, Edward L, Braun, Michael J, Huddleston, Christopher J, Bowie, Rauri C.K, Chojnowski, Jena L, Hackett, Shannon J, Han, Kin-Lan, Kimball, Rebecca T, Marks, Ben D, Miglia, Kathleen J, Moore, William S, Reddy, Sushma, Sheldon, Frederick H, Steadman, David W, Steppan, Scott J, Witt, Christopher C, Yuri, Tamaki

“…Ratites (ostriches, emus, rheas, cassowaries, and kiwis) are large, flightless birds that have long fascinated biologists. Their current distribution on…”
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Phylogenetic Studies in the Commelinaceae Subfamily Commelinoideae Inferred from Nuclear Ribosomal and Chloroplast DNA Sequences by Burns, Jean H, Faden, Robert B, Steppan, Scott J

“…The Commelinaceae are a pantropical family of monocotyledonous herbs. Previous phylogenies in Commelinaceae have emphasized sampling among genera. We extended…”
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Multigene phylogeny of the Old World mice, Murinae, reveals distinct geographic lineages and the declining utility of mitochondrial genes compared to nuclear genes by Steppan, Scott J., Adkins, R.M., Spinks, P.Q., Hale, C.

“…Despite its great diversity and biomedical importance, the rodent subfamily Murinae is poorly resolved phylogenetically. We present the first cladistic…”
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Nuclear DNA phylogeny of the squirrels (Mammalia: Rodentia) and the evolution of arboreality from c-myc and RAG1 by Steppan, Scott J, Storz, Brian L, Hoffmann, Robert S

“…Although the family Sciuridae is large and well known, phylogenetic analyses are scarce. We report on a comprehensive molecular phylogeny for the family. Two…”
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The Role of Geography in Adaptive Radiation by Schenk, John J., Steppan, Scott J.

“…Although the importance of biogeography in the speciation process is well recognized, the fundamental role of geographic diversification during adaptive…”
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A phylogenetic test of adaptation to deserts and aridity in skull and dental morphology across rodents by Alhajeri, Bader H., Steppan, Scott J.

“…Understanding how organisms adapt to aridity is a central theme in traditional desert ecology research. However, many of the pioneering studies were conducted…”
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Molecular phylogeny of the endemic Philippine rodent Apomys (Muridae) and the dynamics of diversification in an oceanic archipelago by STEPPAN, SCOTT J., ZAWADZKI, CHRISTOPHER, HEANEY, LAWRENCE R.

“…We analysed the phylogenetic relationships of ten of the 13 known species of the genus Apomys using DNA sequences from cytochrome b. Apomys, endemic to oceanic…”
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A rodent anchored hybrid enrichment probe set for a range of phylogenetic utility: From order to species by Bangs, Max R., Steppan, Scott J.

“…Rodents are the largest order of mammals and contain several model organisms important to scientific research in a variety of fields, yet no large set of…”
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Discovery of the world’s highest-dwelling mammal by Storz, Jay F., Quiroga-Carmona, Marcial, Opazo, Juan C., Bowen, Thomas, Farson, Matthew, Steppan, Scott J., D’Elía, Guillermo

“…Environmental limits of animal life are invariably revised when the animals themselves are investigated in their natural habitats. Here we report results of a…”
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Ultraconserved elements improve resolution of marmot phylogeny and offer insights into biogeographic history by Mills, Kendall K., Everson, Kathryn M., Hildebrandt, Kyndall B.P., Brandler, Oleg V., Steppan, Scott J., Olson, Link E.

“…[Display omitted] •Marmots originated in North America ∼16.3 Mya.•Marmots dispersed across the Bering Land Bridge in the mid-Pliocene.•Ultraconserved elements…”
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