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Journal ArticleDOI

Phylogenetic relationships among the pine stem rust fungi (Cronartium and Peridermium spp.)

TLDR
This study extracted fungal DNA from spores of Cronartium and its anamorphic genus Peridermium, causing severe economic and aesthetic damage to pines in forests and parks throughout the northern hemisphere.
Abstract
Species in Cronartium and its anamorphic genus Peridermium form a morphologically homoge- neous group of rust fungi that infect stems, branches, and cones of Pinus species in North and Central America, Asia, and Europe. Several species are im- portant forest pathogens, causing severe economic and aesthetic damage to pines in forests and parks throughout the northern hemisphere. Morphologi- cal characters have been used to distinguish among these rust fungi, but have proven inadequate for as- sessing phylogenetic relationships within the group. In this study, we extracted fungal DNA from spores

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Journal ArticleDOI

Notes, outline and divergence times of Basidiomycota

Mao Qiang He, +72 more
- 01 Nov 2019 - 
TL;DR: Divergence times as additional criterion in ranking provide additional evidence to resolve taxonomic problems in the Basidiomycota taxonomic system, and also provide a better understanding of their phylogeny and evolution.
Journal ArticleDOI

Use of atp6 in fungal phylogenetics: an example from the boletales.

TL;DR: Results show that atp6 is likely to provide phylogenetic resolution within fungal classes but not at higher taxonomic levels, and because of the strong A + T bias in fungal mitochondrial genomes, A/T transversions were found to be more common than any other type of substitution, resulting in transversions being about two to three times more common in most pairwise sequence comparisons.
Journal ArticleDOI

Phylogeny of the rust fungi: an approach using nuclear large subunit ribosomal DNA sequences

TL;DR: Neighbor joining analysis and a Bayesian method of phylogenetic inference using Monte Carlo Markov chains confirm the rust fungi as a natural group and indicate that Puccinia, Uromyces, Endophyllum, and Cumminsiella have a common origin.
Journal ArticleDOI

Melampsora ‹columbiana, a natural hybrid of M. medusae and M. occidentalis

TL;DR: Isolates with hybrid urediniospore morphology but homozygous for ITS sequences from M. medusae or M. occidentalis were also found, suggesting that the primary F1 hybrids have produced F2 and/or backcross progeny.
Journal ArticleDOI

Patterns of association between crucifers and their flower-mimic pathogens: host jumps are more common than coevolution or cospeciation

TL;DR: This article examined the pattern of association between the crucifer rusts and their hosts by comparing independent host phylogenies (based on both cpDNA trnL-F introns and nuclear internal transcribed spacer [ITS] sequences) with that of their rust pathogens.
References
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Journal ArticleDOI

DNA sequencing with chain-terminating inhibitors

TL;DR: A new method for determining nucleotide sequences in DNA is described, which makes use of the 2',3'-dideoxy and arabinon nucleoside analogues of the normal deoxynucleoside triphosphates, which act as specific chain-terminating inhibitors of DNA polymerase.
Journal ArticleDOI

The neighbor-joining method: a new method for reconstructing phylogenetic trees.

TL;DR: The neighbor-joining method and Sattath and Tversky's method are shown to be generally better than the other methods for reconstructing phylogenetic trees from evolutionary distance data.
Journal ArticleDOI

Confidence limits on phylogenies: an approach using the bootstrap.

TL;DR: The recently‐developed statistical method known as the “bootstrap” can be used to place confidence intervals on phylogenies and shows significant evidence for a group if it is defined by three or more characters.
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