Search Results - "Vargas, Oscar M."

Conflicting phylogenomic signals reveal a pattern of reticulate evolution in a recent high-Andean diversification (Asteraceae: Astereae: Diplostephium) by Vargas, Oscar M., Ortiz, Edgardo M., Simpson, Beryl B.

“…High-throughput sequencing is helping biologists to overcome the difficulties of inferring the phylogenies of recently diverged taxa. The present study…”
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Characterizing gene tree conflict in plastome-inferred phylogenies by Walker, Joseph F, Walker-Hale, Nathanael, Vargas, Oscar M, Larson, Drew A, Stull, Gregory W

“…Evolutionary relationships among plants have been inferred primarily using chloroplast data. To date, no study has comprehensively examined the plastome for…”
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Allopatric speciation is more prevalent than parapatric ecological divergence in a recent high-Andean diversification ( Linochilus: Asteraceae) by Vargas, Oscar M, Madriñán, Santiago, Simpson, Beryl

“…Elucidating how species accumulate in diversity hotspots is an ongoing debate in evolutionary biology. The páramo, in the Northern Andes, has remarkably high…”
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Climate and shared evolutionary history drive trait variation among species of Neotropical understory monocots by Ávila‐Lovera, Eleinis, Vargas, Oscar M., Funk, Jennifer L., Kay, Kathleen M., Goldsmith, Gregory R.

“…Environmental variation commonly drives functional trait diversity within species, among species, and across communities. Climate and shared evolutionary…”
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Patterns of speciation are similar across mountainous and lowland regions for a Neotropical plant radiation (Costaceae: Costus) by Vargas, Oscar M., Goldston, Brittany, Grossenbacher, Dena L., Kay, Kathleen M.

“…High species richness and endemism in tropical mountains are recognized as major contributors to the latitudinal diversity gradient. The processes underlying…”
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Admixture may be extensive among hyperdominant Amazon rainforest tree species by Larson, Drew A., Vargas, Oscar M., Vicentini, Alberto, Dick, Christopher W.

“…Summary Admixture is a mechanism by which species of long‐lived plants may acquire novel alleles. However, the potential role of admixture in the origin and…”
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Prezygotic barriers effectively limit hybridization in a rapid evolutionary radiation by Uckele, Kathryn A, Vargas, Oscar M, Kay, Kathleen M

“…Hybridization is increasingly recognized as an important evolutionary process across the tree of life. In many clades, phylogenomic approaches have permitted…”
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A consensus phylogenomic approach highlights paleopolyploid and rapid radiation in the history of Ericales by Larson, Drew A., Walker, Joseph F., Vargas, Oscar M., Smith, Stephen A.

“…Premise Large genomic data sets offer the promise of resolving historically recalcitrant species relationships. However, different methodologies can yield…”
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Chemical Composition and In Vitro Ruminal Fermentation Characteristics of Native Grasses from the Floodplain Lowlands Ecosystem in the Colombian Orinoquia by Vélez-Terranova, Mauricio, Salamanca-Carreño, Arcesio, Vargas-Corzo, Oscar M., Parés-Casanova, Pere M., Arias-Landazábal, José N.

“…Grasses from lowland ecosystems in flooded savannahs are useful to feed extensive grazing animals; however, scarce information about its agronomic and…”
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Target sequence capture in the Brazil nut family (Lecythidaceae): Marker selection and in silico capture from genome skimming data by Vargas, Oscar M., Heuertz, Myriam, Smith, Stephen A., Dick, Christopher W.

“…[Display omitted] •A set of 354 nuclear markers was designed for Lecythidaceae using transcriptomes.•The marker-set was captured in silico from available…”
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Genome assemblies and comparison of two Neotropical spiral gingers: Costus pulverulentus and C. lasius by Harenčár, Julia, Vargas, Oscar M, Escalona, Merly, Schemske, Douglas W, Kay, Kathleen M

“…Abstract The spiral gingers (Costus L.) are a pantropical genus of herbaceous perennial monocots; the Neotropical clade of Costus radiated rapidly in the past…”
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Bayesian and likelihood phylogenetic reconstructions of morphological traits are not discordant when taking uncertainty into consideration: a comment on Puttick et al by Brown, Joseph W., Parins-Fukuchi, Caroline, Stull, Gregory W., Vargas, Oscar M., Smith, Stephen A.

“…Puttick et al. (2017 Proc. R. Soc. B 284, 20162290 (doi:10.1098/rspb.2016.2290)) performed a simulation study to compare accuracy among methods of inferring…”
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Evolutionary history constrains heat tolerance of native and exotic tropical Zingiberales by Hernández, Georgia G., Perez, Timothy M., Vargas, Oscar M., Kress, W. John, Molina‐Bravo, Ramón, Cordero, Roberto A., Seemann, Jeffrey R., García‐Robledo, Carlos

“…Tropical wet forest plants experience relatively stable temperatures throughout the year. However, tropical forests represent a mosaic of habitats…”
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Complete plastome sequences from Bertholletia excelsa and 23 related species yield informative markers for Lecythidaceae by Thomson, Ashley M., Vargas, Oscar M., Dick, Christopher W.

“…Premise of the Study The tropical tree family Lecythidaceae has enormous ecological and economic importance in the Amazon basin. Lecythidaceae species can be…”
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Bayesian and likelihood phylogenetic reconstructions of morphological traits are not discordant when taking uncertainty into consideration: a comment on Puttick et al by Brown, Joseph W., Parins-Fukuchi, Caroline, Stull, Gregory W., Vargas, Oscar M., Smith, Stephen A.

“…Puttick et al. (2017 Proc. R. Soc. B 284, 20162290 (doi:10.1098/rspb.2016.2290)) performed a simulation study to compare accuracy among methods of inferring…”
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Poster 181 Ultrasound-Guided Injection of Steroids as a Treatment for Symptomatic Traumatic Adhesions between the Lumbrical and Interosseous Muscles of the Hand: A Case Report by Pakeerappa, Praveen N., MD, Ortiz Vargas, Oscar O., MD

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Kinetic Chains: A Review of the Concept and Its Clinical Applications by Karandikar, Ninad, MD, Vargas, Oscar O. Ortiz, MD

“…During the past decade, our understanding of biomechanics and its importance in rehabilitation has advanced significantly. The kinetic chain, a concept…”
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Poster 103 Elevated International Normalized Ratio Associated with Infections: Case Reports by Ma, Zhangliang, MD, PhD, Ortiz Vargas, Oscar O., MD, Springer, Joe E., PhD, Nickerson, Robert, MD

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Poster 175 Positional Femoral Entrapment Neuropathy: A Case Report by Gundu, Giridhar, Ortiz Vargas, Oscar O.

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The Use of Intrathecal Baclofen Therapy for Myoclonus in a Patient With Lance Adams Syndrome by Birthi, Pravardhan, MD, Walters, Chadwick, DO, Vargas, Oscar Ortiz, MD, Karandikar, Ninad, MD

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