Reticulation, divergence, and the phylogeography–phylogenetics continuum
نویسندگان
چکیده
منابع مشابه
Reticulation, divergence, and the phylogeography-phylogenetics continuum.
Phylogeography, and its extensions into comparative phylogeography, have their roots in the layering of gene trees across geography, a paradigm that was greatly facilitated by the nonrecombining, fast evolution provided by animal mtDNA. As phylogeography moves into the era of next-generation sequencing, the specter of reticulation at several levels-within loci and genomes in the form of recombi...
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Divergence and reticulation among montane populations of a jumping spider (Habronattus pugillis Griswold).
Populations of the jumping spider Habronattus pugillis Griswold isolated on nearby mountain ranges in southern Arizona are differentiated in many features of the males (color, shape, and orientation of setae on face; shape of carapace; markings of palpi and legs; motions during courtship behavior). These features are (mostly) consistent within a range and different between ranges. The concentra...
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Molecular phylogenetics, the study of reconstructing evolutionary trees, is a well-established field of scientific endeavor. However, in certain circumstances evolution is not completely tree-like. For example, a comparison of gene trees representing a set of present-day species and reconstructed for different genetic loci often reveals conflicting tree topologies. These discrepancies are not a...
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Let X be a finite set, N be a reticulation-visible network on X, and T be a rooted binary phylogenetic tree. We show that there is a polynomial-time algorithm for deciding whether or not N displays T . Furthermore, for all |X| ≥ 1, we show that N has at most 8|X| − 7 vertices in total and at most 3|X| − 3 reticulation vertices, and that these upper bounds are sharp.
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ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 2016
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.1601066113