Academic literature on the topic 'Lineages-through-time plots'

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Journal articles on the topic "Lineages-through-time plots"

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Stadler, Tanja. "Lineages-through-time plots of neutral models for speciation." Mathematical Biosciences 216, no. 2 (2008): 163–71. http://dx.doi.org/10.1016/j.mbs.2008.09.006.

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Nyman, Tommi, Renske E. Onstein, Daniele Silvestro, et al. "The early wasp plucks the flower: disparate extant diversity of sawfly superfamilies (Hymenoptera: ‘Symphyta’) may reflect asynchronous switching to angiosperm hosts." Biological Journal of the Linnean Society 128, no. 1 (2019): 1–19. http://dx.doi.org/10.1093/biolinnean/blz071.

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AbstractThe insect order Hymenoptera originated during the Permian nearly 300 Mya. Ancestrally herbivorous hymenopteran lineages today make up the paraphyletic suborder ‘Symphyta’, which encompasses c. 8200 species with very diverse host-plant associations. We use phylogeny-based statistical analyses to explore the drivers of diversity dynamics within the ‘Symphyta’, with a particular focus on the hypothesis that diversification of herbivorous insects has been driven by the explosive radiation of angiosperms during and after the Cretaceous. Our ancestral-state estimates reveal that the first s
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Rossberg, Axel G., Tim Rogers, and Alan J. McKane. "Are there species smaller than 1 mm?" Proceedings of the Royal Society B 280, no. 1767 (2013): 20131248. https://doi.org/10.1098/rspb.2013.1248.

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The rapid advance in genetic sequencing technologies has provided an unprecedented amount of data on the biodiversity of meiofauna. It was hoped that these data would allow the identification and counting of species, distinguished as tight clusters of similar genomes. Surprisingly, this appears not to be the case. Here, we begin a theoretical discussion of this phenomenon, drawing on an individual-based ecological model to inform our arguments. The determining factor in the emergence (or not) of distinguishable genetic clusters in the model is the product of population size with mutation rate&
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Coelho de Souza, Fernanda, Kyle G. Dexter, Oliver L. Phillips, et al. "Evolutionary heritage influences Amazon tree ecology." Proceedings of the Royal Society B: Biological Sciences 283, no. 1844 (2016): 20161587. http://dx.doi.org/10.1098/rspb.2016.1587.

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Lineages tend to retain ecological characteristics of their ancestors through time. However, for some traits, selection during evolutionary history may have also played a role in determining trait values. To address the relative importance of these processes requires large-scale quantification of traits and evolutionary relationships among species. The Amazonian tree flora comprises a high diversity of angiosperm lineages and species with widely differing life-history characteristics, providing an excellent system to investigate the combined influences of evolutionary heritage and selection in
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Lumbsch, H. Thorsten, Sittiporn Parnmen, Achariya Rangsiruji, and John A. Elix. "Phenotypic disparity and adaptive radiation in the genus Cladia (Lecanorales, Ascomycota)." Australian Systematic Botany 23, no. 4 (2010): 239. http://dx.doi.org/10.1071/sb10010.

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Phylogenetic relationships of the genera Cladia, Heterodea and Ramalinora were reconstructed using a combined dataset of ribosomal nuclear ITS and LSU and mitochondrial SSU, and protein-coding Mcm7 DNA sequences. Maximum likelihood and Bayesian analyses strongly supported a monophyletic group in which the species of the foliose genus Heterodea and the crustose genus Ramalinora were nested within the fruticose genus Cladia. Alternative hypothesis testing rejected an independent status of Ramalinora. We tested the hypothesis that an adaptive radiation led to the morphological disparity found in
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Fox, Amy, Taru S. Dutt, Burton Karger, et al. "Cyto-feature engineering: a pipeline for flow cytometry analysis to uncover immune populations and association with disease." Journal of Immunology 204, no. 1_Supplement (2020): 159.27. http://dx.doi.org/10.4049/jimmunol.204.supp.159.27.

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Abstract Flow cytometers can now analyze up to 50 parameters per cell and millions of cells per sample; however, conventional methods to analyze data are subjective and time-consuming. To address these issues, we have developed a novel analysis pipeline to identify a plethora of cell populations efficiently. Coupled with feature engineering and immunological context, researchers can immediately extrapolate novel discoveries through easy-to-understand plots. The R-based pipeline uses Fluorescence Minus One (FMO) controls or distinct population differences to develop thresholds for positive/nega
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James, D. Galbraith, Daniel Kortschak R., Suh Alexander, and L. Adelson David. "Genome stability is in the eye of the beholder: CR1 retrotransposon activity varies significantly across avian diversity." Genome Biology and Evolution 13, no. 12 (2021): evab259. https://doi.org/10.5281/zenodo.14169620.

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Supplementary data for James D Galbraith, Robert Daniel Kortschak, Alexander Suh, David L Adelson, Genome Stability Is in the Eye of the Beholder: CR1 Retrotransposon Activity Varies Significantly across Avian Diversity, <em>Genome Biology and Evolution</em>, Volume 13, Issue 12, December 2021, evab259, https://doi.org/10.1093/gbe/evab259 <strong>Abstract</strong> Since the sequencing of the zebra finch genome it has become clear that avian genomes, while largely stable in terms of chromosome number and gene synteny, are more dynamic at an intrachromosomal level. A multitude of intrachromosoma
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Kryukov, A. Р. "Genetic variation and phylogeography of the magpie’s genus Pica in the Holarctic." Vavilov Journal of Genetics and Breeding 29, no. 4 (2025): 578–93. https://doi.org/10.18699/vjgb-25-61.

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The theory of Pleistocene refugia is often used to explain the population genetic structure of species. However, it does not fully account for the diversity of species-specific characteristics and natural conditions. The genus Pica, which is widespread in the Holarctic, provides an ideal model for studying phylogeographic patterns in order to better understand processes of diversification and speciation. Markers of mitochondrial DNA remain widely used in phylogeographic studies, despite advances of whole genome techniques. We have summarized published research on the mitochondrial DNA Control
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Wheat, Justin C., Jianfeng Wang, Xi Chen, Daniela S. Krause, and David Sweetser. "Tle4 Is Critical for Proper B- Cell Differentiation and Maintenance of the Murine Bone Marrow Niche." Blood 120, no. 21 (2012): 1202. http://dx.doi.org/10.1182/blood.v120.21.1202.1202.

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Abstract Abstract 1202 Transducin-like/Enhancer of Split 4 (TLE4), a homolog of the master developmental regulator in Drosophila, Groucho, is a co repressor previously described by our group as the putative tumor suppressor lost in a subset of t(8:21) AML patients also harboring 9q deletion. TLE4 has been found to be of fundamental importance in the repressive function of multiple highly conserved transcriptional complexes, including Hes1, Tcf/Lef, CSL, Runx1-3, and Pax5, all of which have been shown to be intimately connected to normal steady state hematopoiesis and deregulated in malignancy.
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Helmstetter, Andrew J., Sylvain Glemin, Jos Käfer, et al. "Pulled Diversification Rates, Lineages-Through-Time Plots, and Modern Macroevolutionary Modeling." Systematic Biology, October 6, 2021. http://dx.doi.org/10.1093/sysbio/syab083.

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Abstract Estimating time-dependent rates of speciation and extinction from dated phylogenetic trees of extant species (timetrees), and determining how and why they vary, is key to understanding how ecological and evolutionary processes shape biodiversity. Due to an increasing availability of phylogenetic trees, a growing number of process-based methods relying on the birth–death model have been developed in the last decade to address a variety of questions in macroevolution. However, this methodological progress has regularly been criticized such that one may wonder how reliable the estimation
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Dissertations / Theses on the topic "Lineages-through-time plots"

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Wong, Dennis Ho-Jay. "An Exploration of Models Diversification and the Tempo of Diversification Using Lineages Through Time Plots." Thesis, 2007. http://hdl.handle.net/1882/1022.

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Explaining species richness is one of the major goals in evolutionary biology. One approach to explain species richness is through models of species level diversification, and recent attention has been placed on testing for instances of non-constant rates of diversification. Translated from phylogenies, lineages through time (LTT) plots are one way to examine rates of diversification. However, the degree which LTT data reflect a model of diversification is unknown. I conducted a simulation study that determines the power of LTT plots to distinguish different models from each other. The results
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