Academic literature on the topic 'Reticulate Evolutionary Event'

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Journal articles on the topic "Reticulate Evolutionary Event"

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Hariyanto, Sucipto, Hasan Adro’i, Mahrus Ali, and Bambang Irawan. "DNA Barcoding: A Study of Guppy Fish (Poecilia reticulata) in East Java, Indonesia." Biosaintifika: Journal of Biology & Biology Education 11, no. 2 (2019): 272–78. http://dx.doi.org/10.15294/biosaintifika.v11i2.20222.

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Poecilia reticulata is a freshwater fish from the northeastern part of South America and spread widely to various countries in Asia and other continents. However, research about P. reticulate is limited even though it is a well-known fish species in Indonesia. The purpose of study was to identify the fish species of P. reticulata through DNA barcoding using the COI gene to determine the phylogenetic relationships among fish populations in East Java, Indonesia. In a present study, there were eight samples of P. reticulata from four different freshwater locations in East Java. Extraction, amplif
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Ma, Eric J., Nichola J. Hill, Justin Zabilansky, Kyle Yuan, and Jonathan A. Runstadler. "Reticulate evolution is favored in influenza niche switching." Proceedings of the National Academy of Sciences 113, no. 19 (2016): 5335–39. http://dx.doi.org/10.1073/pnas.1522921113.

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Reticulate evolution is thought to accelerate the process of evolution beyond simple genetic drift and selection, helping to rapidly generate novel hybrids with combinations of adaptive traits. However, the long-standing dogma that reticulate evolutionary processes are likewise advantageous for switching ecological niches, as in microbial pathogen host switch events, has not been explicitly tested. We use data from the influenza genome sequencing project and a phylogenetic heuristic approach to show that reassortment, a reticulate evolutionary mechanism, predominates over mutational drift in t
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Yan, Chi, Qianni Hu, and Genlou Sun. "Nuclear and chloroplast DNA phylogeny reveals complex evolutionary history of Elymus pendulinus." Genome 57, no. 2 (2014): 97–109. http://dx.doi.org/10.1139/gen-2014-0002.

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Evidence accumulated over the last decade has shown that allopolyploid genomes may undergo complex reticulate evolution. In this study, 13 accessions of tetraploid Elymus pendulinus were analyzed using two low-copy nuclear genes (RPB2 and PepC) and two regions of chloroplast genome (Rps16 and trnD-trnT). Previous studies suggested that Pseudoroegneria (St) and an unknown diploid (Y) were genome donors to E. pendulinus, and that Pseudoroegneria was the maternal donor. Our results revealed an extreme reticulate pattern, with at least four distinct gene lineages coexisting within this species tha
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VAN IERSEL, LEO, STEVEN KELK, and MATTHIAS MNICH. "UNIQUENESS, INTRACTABILITY AND EXACT ALGORITHMS: REFLECTIONS ON LEVEL-K PHYLOGENETIC NETWORKS." Journal of Bioinformatics and Computational Biology 07, no. 04 (2009): 597–623. http://dx.doi.org/10.1142/s0219720009004308.

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Phylogenetic networks provide a way to describe and visualize evolutionary histories that have undergone so-called reticulate evolutionary events such as recombination, hybridization or horizontal gene transfer. The level k of a network determines how non-treelike the evolution can be, with level-0 networks being trees. We study the problem of constructing level-k phylogenetic networks from triplets, i.e. phylogenetic trees for three leaves (taxa). We give, for each k, a level-k network that is uniquely defined by its triplets. We demonstrate the applicability of this result by using it to pro
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Łabiszak, Bartosz, and Witold Wachowiak. "Molecular Signatures of Reticulate Evolution within the Complex of European Pine Taxa." Forests 12, no. 4 (2021): 489. http://dx.doi.org/10.3390/f12040489.

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Speciation mechanisms, including the role of interspecific gene flow and introgression in the emergence of new species, are the major focus of evolutionary studies. Inference of taxonomic relationship between closely related species may be challenged by past hybridization events, but at the same time, it may provide new knowledge about mechanisms responsible for the maintenance of species integrity despite interspecific gene flow. Here, using nucleotide sequence variation and utilizing a coalescent modeling framework, we tested the role of hybridization and introgression in the evolutionary hi
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SHENG, RUOGU, and SERGEY BEREG. "APPROXIMATING METRICS WITH PLANAR BOUNDARY-LABELED PHYLOGENETIC NETWORKS." Journal of Bioinformatics and Computational Biology 10, no. 06 (2012): 1250017. http://dx.doi.org/10.1142/s0219720012500175.

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Phylogenetic networks are useful for visualizing evolutionary relationships between species with reticulate events such as hybridizations and horizontal gene transfers. In this paper, we consider the problem of constructing undirected phylogenetic networks that (1) are planar graphs and (2) admit embeddings in the plane where the vertices labeling all taxa are on the boundary of the network. We develop a new algorithm for constructing phylogenetic networks satisfying these constraints. First, we show that only approximate networks can be constructed for some distance matrices with at least fiv
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Gradstein, Felix, Anna Waskowska, and Larisa Glinskikh. "The First 40 Million Years of Planktonic Foraminifera." Geosciences 11, no. 2 (2021): 85. http://dx.doi.org/10.3390/geosciences11020085.

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We provide a biochronology of Jurassic planktonic foramininfera, using first order linkage to ammonite and nannofossil stratigraphy and geochronology. This enigmatic and understudied group of microfossils occurred from middle Toarcian through Tithonian time, from ~180 to ~143 Ma; its origin is unknown. There are three genera: Globuligerina, Conoglobigerina and Petaloglobigerina. The genus Globuligerina, with a smooth to pustulose test surface texture appeared in Toarcian (late Early Jurassic) and Conoglobigerina, with a rough reticulate test surface texture in Oxfordian (early Late Jurassic) t
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Brooks, Daniel R., and Kaila E. Folinsbee. "Paleobiogeography: Documenting the Ebb and Flow of Evolutionary Diversification." Paleontological Society Papers 11 (October 2005): 15–44. http://dx.doi.org/10.1017/s1089332600001224.

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Historical biogeography has recently experienced a significant advancement in three integrated areas. The first is the adoption of an ontology of complexity, replacing the traditional ontology of simplicity, or a priori parsimony; simple and elegant models of the biosphere are not sufficient for explaining the geographical context of the origin of species and their post-speciation movements, producing evolutionary radiations and complex multi-species biotas. The second is the development of a powerful method for producing area cladograms from complex data, especially cases of reticulated area
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De Andrade, Felipe Silva, Isabelle Aquemi Haga, Johnny Sousa Ferreira, Shirlei Maria Recco-Pimentel, Luís Felipe Toledo, and Daniel Pacheco Bruschi. "A new cryptic species of Pithecopus (Anura, Phyllomedusidae) in north-eastern Brazil." European Journal of Taxonomy 723 (November 10, 2020): 108–34. http://dx.doi.org/10.5852/ejt.2020.723.1147.

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The genus of Neotropical frogs Pithecopus includes 11 species occurring east of the Andes from southern Venezuela to northern Argentina. Recent genetic approaches pointed out an unusual genetic diversity among populations from localities in north-eastern Brazil recognized as P. nordestinus. In fact, one of these studies confirmed the hypothesis that the São Francisco River acted as an effective geographical barrier during vicariant events in the evolutionary history of P. nordestinus, resulting in two principal, highly divergent clades. Herein we formally describe this divergent clade as a new
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van Berkum, Peter, and Jeffry J. Fuhrmann. "Evidence from Internally Transcribed Spacer Sequence Analysis of Soybean Strains that Extant Bradyrhizobium spp. Are Likely the Products of Reticulate Evolutionary Events." Applied and Environmental Microbiology 75, no. 1 (2008): 78–82. http://dx.doi.org/10.1128/aem.01408-08.

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ABSTRACT The internally transcribed spacer (ITS) sequences of several members within each of 17 soybean bradyrhizobial serogroups were determined to establish whether the regions within all members of each serogroup were identical. The rationale was to provide a sequence-based alternative to serology. The objective also was to link the extensive older literature on soybean symbiosis based on serology with ITS sequence data for more recent isolates from both soybean and other legumes nodulated by rhizobia within the genus Bradyrhizobium. With the exception of serogroup 31 and 110 strains, seque
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Dissertations / Theses on the topic "Reticulate Evolutionary Event"

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Park, HyunJung. "Towards Accurate Reconstruction of Phylogenetic Networks." Thesis, 2012. http://hdl.handle.net/1911/64705.

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Since Darwin proposed that all species on the earth have evolved from a common ancestor, evolution has played an important role in understanding biology. While the evolutionary relationships/histories of genes are represented using trees, the genomic evolutionary history may not be adequately captured by a tree, as some evolutionary events, such as horizontal gene transfer (HGT), do not fit within the branches of a tree. In this case, phylogenetic networks are more appropriate for modeling evolutionary histories. In this dissertation, we present computational algorithms to reconstruct phylog
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