Phylogenetic placement of the secotioid fungus <i>Araneosa columellata</i> within <i>Agaricus</i>

Bates, Scott T.; Chapman, Robert M.; Islam, Melissa B.; Schwabe, Anna L.; Wardenaar, E. C. P.; Evenson, Vera

doi:10.5248/131.103

Cited by 3 publications

(2 citation statements)

References 10 publications

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“…Arvenses , while the seven remaining species were considered or suspected to belong to A. sect. Minores ( Zhao et al 2011 , Lebel & Syme 2012 , Lebel 2013 , Bates et al 2016 ). Our ITS ML tree not only confirms that the seven species belong to A. sect.…”

Section: Resultsmentioning

confidence: 99%

“…A total of 165 specimens were incorporated in phylogenetic analyses. In addition to the sequences generated from this study, 109 ITS sequences, 43 nrLSU sequences and 39 tef-1α sequences were retrieved from GenBank ( Geml et al 2008 , Zhao et al 2011 , 2016 , Lebel & Syme 2012 , Lebel 2013 , He & Zhao 2015 , Liu et al 2015 , Bates et al 2016 , Li et al 2016 ) and their accession numbers are given in Table 1 . Sequences were aligned, for each region independently using MAFFT ( Katoh & Standley 2013 ), then manually adjusted in BioEdit v. 7.0.4 ( Hall 2007 ).…”

Section: Methodsmentioning

confidence: 99%

See 1 more Smart Citation

Study in Agaricus subgenus Minores and allied clades reveals a new American subgenus and contrasting phylogenetic patterns in Europe and Greater Mekong Subregion

Chen¹,

Callac²,

Parra³

et al. 2017

persoonia

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Within Agaricus subg. Minores, A. sect. Minores remains a little-studied section due generally to its delicate sporocarps often lacking taxonomically relevant morphological characters. To reconstruct the section, using the recent taxonomic system based on divergence times, and to evaluate the species diversity of A. sect. Minores in the Greater Mekong Subregion, 165 specimens were incorporated in phylogenetic analyses. A dated tree based on nuclear ITS, LSU and tef1-α sequence data allowed us to better circumscribe A. subg. Minores and to propose a new subgenus, A. subg. Minoriopsis, which is only known from tropical and subtropical regions of the Americas. A larger tree based on ITS sequences indicated that, with 81 phylogenetic species, the reconstructed section Minores is now one of the largest sections in the genus. Within A. subg. Minores, a new section, A. sect. Leucocarpi, and eleven new species are described from the Greater Mekong Subregion. Thirty-eight species of A. sect. Minores from this region of Asia were distributed in multiple clades that successively diverged over the past 24 million years. In contrast, species reported from Europe mostly grouped in a single non-tropical clade, suggesting a major species diversification following the middle Miocene climatic optimum.

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Section: Resultsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Study in Agaricus subgenus Minores and allied clades reveals a new American subgenus and contrasting phylogenetic patterns in Europe and Greater Mekong Subregion

Chen¹,

Callac²,

Parra³

et al. 2017

persoonia

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Notes, outline and divergence times of Basidiomycota

et al. 2019

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The Basidiomycota constitutes a major phylum of the kingdom Fungi and is second in species numbers to the Ascomycota. The present work provides an overview of all validly published, currently used basidiomycete genera to date in a single document. An outline of all genera of Basidiomycota is provided, which includes 1928 currently used genera names, with 1263 synonyms, which are distributed in 241 families, 68 orders, 18 classes and four subphyla. We provide brief notes for each accepted genus including information on classification, number of accepted species, type species, life mode, habitat, distribution, and sequence information. Furthermore, three phylogenetic analyses with combined LSU, SSU, 5.8s, rpb1, rpb2, and ef1 datasets for the subphyla Agaricomycotina, Pucciniomycotina and Ustilaginomycotina are conducted, respectively. Divergence time estimates are provided to the family level with 632 species from 62 orders, 168 families and 605 genera. Our study indicates that the divergence times of the subphyla in Basidiomycota are 406–430 Mya, classes are 211–383 Mya, and orders are 99–323 Mya, which are largely consistent with previous studies. In this study, all phylogenetically supported families were dated, with the families of Agaricomycotina diverging from 27–178 Mya, Pucciniomycotina from 85–222 Mya, and Ustilaginomycotina from 79–177 Mya. 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.

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Multigene Phylogeny and Morphology Reveal Three Novel Species and a Novel Record of Agaricus From Northern Thailand

et al. 2021

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Agaricus is a saprophytic mushroom genus widely distributed throughout the world. In this study, a survey of the Agaricus species carried out around Chiang Mai University in northern Thailand from 2018 to 2019 yielded 12 collections. Morphological characteristics and phylogenic analyses based on the internal transcribed spacers (ITS) and a fragment of the large subunit (LSU) of the nuclear ribosomal DNA (rDNA), and a fragment of the translation elongation factor 1-alpha (tef1) genes were investigated. The results revealed that these collections belong to six species including Agaricus erectosquamosus, Agaricus pallidobrunneus, Agaricus subrufescens, and three new species. Agaricus thailandensis sp. nov. was found to belong to Agaricus sect. Minores, which is placed in Agaricus subg. Minores. Aagricus pseudoerectosquamosus sp. nov. was placed in Agaricus sect. Brunneopicti within Agaricus subg. Pseudochitonia. Furthermore, Agaricus lannaensis remains an incertae sedis in Agaricus subg. Pseudochitonia. Additionally, this study was proposed that A. pallidobrunneus was discovered in Thailand for the first time. Full descriptions, color photographs, illustrations, and phylogenetic trees are provided.

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Phylogenetic placement of the secotioid fungus Araneosa columellata within Agaricus

Cited by 3 publications

References 10 publications

Study in Agaricus subgenus Minores and allied clades reveals a new American subgenus and contrasting phylogenetic patterns in Europe and Greater Mekong Subregion

Study in Agaricus subgenus Minores and allied clades reveals a new American subgenus and contrasting phylogenetic patterns in Europe and Greater Mekong Subregion

Notes, outline and divergence times of Basidiomycota

Multigene Phylogeny and Morphology Reveal Three Novel Species and a Novel Record of Agaricus From Northern Thailand

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