منابع مشابه
Genealogical concordance and the specific status of Peromyscus sejugis.
Peromyscus sejugis, a peripheral isolate of Peromyscus maniculatus, is a threatened taxon endemic to 2 small islands in the Sea of Cortés. Although its insularity makes the specific recognition of P. sejugis inherently problematic, resolution of this problem has important conservation implications. To evaluate the specific validity and evolutionary history of P. sejugis, we compared sequence va...
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13 The Genealogical Sorting Index (gsi) has been widely used in species-delimitation studies, where 14 it is usually interpreted as a measure of the degree to which each of several predefined groups of 15 specimens display a pattern of divergent evolution in a phylogenetic tree. Here we show that the gsi 16 value obtained for a given group is highly dependent on the structure of the tree outsid...
متن کاملMathematical consequences of the genealogical species concept.
A genealogical species is defined as a basal group of organisms whose members are all more closely related to each other than they are to any organisms outside the group ("exclusivity"), and which contains no exclusive group within it. In practice, a pair of species is so defined when phylogenies of alleles from a sample of loci shows them to be reciprocally monophyletic at all or some specifie...
متن کاملBUCKy: Gene tree/species tree reconciliation with Bayesian concordance analysis
MOTIVATION BUCKy is a C++ program that implements Bayesian concordance analysis. The method uses a non-parametric clustering of genes with compatible trees, and reconstructs the primary concordance tree from clades supported by the largest proportions of genes. A population tree with branch lengths in coalescent units is estimated from quartet concordance factors. AVAILABILITY BUCKy is open s...
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During the course of mold surveys, a set of Talaromyces isolates were obtained that did not fit any described species. Phenotypic examination of these isolates showed that they were similar to T. piceus but differed in some growth characteristics. Multilocus DNA sequence data were obtained for the new isolates and some related species in the broader, more inclusive clade, and the data were anal...
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ژورنال
عنوان ژورنال: Antonie van Leeuwenhoek
سال: 2017
ISSN: 0003-6072,1572-9699
DOI: 10.1007/s10482-017-0869-8