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48 results for “Cortinariaceae”
Data from: Morphotaxonomy and molecular phylogeny unveil one new species and two new records of Phlegmacium (Cortinariaceae) from India
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Taming the beast: a revised classification of Cortinariaceae based on genomic data
<p>Family <i>Cortinariaceae</i> currently includes only one genus, <i>Cortinarius</i>, which is the largest <i>Agaricales</i> genus, with thousands of species worldwide. The species are important ectomycorrhizal fungi and form associations with many vascular plant genera from tropicals to arctic regions. Genus <i>Cortinarius</i> contains a lot of morphological variation, and its complexity has led many taxonomists to specialize in particular on infrageneric groups. The previous attempts to divide <i>Cortinarius</i> have been shown to be unnatural and the phylogenetic studies done to date have not been able to resolve the higher-level classification of the group above section level. Genomic approaches have revolutionized our view on fungal relationships and provide a way to tackle difficult groups. We used both targeted capture sequencing and shallow whole genome sequencing (WGS) to produce data and to perform phylogenomic analyses of 75 single-copy genes from 19 species. In addition, a wider 5-locus analysis of 245 species, from the Northern and Southern Hemispheres, was also done. Based on our results, a classification of the family <i>Cortinariaceae</i> into ten genera—<i>Cortinarius, Phlegmacium, Thaxterogaster, Calonarius, Aureonarius, Cystinarius, Volvanarius, Hygronarius, Mystinarius, </i>and<i> Austrocortinarius</i>—is proposed. Seven genera, 10 subgenera, and four sections are described as new to science and five subgenera are introduced as new combinations in a new rank. In addition, 41 section names and 514 species names are combined in new genera and four lecto- and epitypes designated. The position of <i>Stephanopus</i> in suborder <i>Agaricineae</i> remains to be studied. Targeted capture sequencing is used for the first time in fungal taxonomy in Basidiomycetes. It provides a cost-efficient way to produce -omics data in species-rich groups. The -omics data was produced from fungarium specimens up to 21 years old, demonstrating the value of museum specimens in the study of the fungal tree of life. This study is the first family revision in Agaricales based on genomics data and hopefully many others will soon follow.</p>
FIGURE 2. Cortinarius subcaesiobrunneus a in Cortinarius subcaesiobrunneus sp. nov., (Cortinariaceae, Agaricales) a new species from northwest China
FIGURE 2. Cortinarius subcaesiobrunneus a) HMJAU44436, b) HMJAU44434. Bars: a, b = 1 cm. Photos by: Mengle Xie.
FIGURE 1 in Cortinarius subcaesiobrunneus sp. nov., (Cortinariaceae, Agaricales) a new species from northwest China
FIGURE 1. Bayesian phylogram inferred from ITS sequence data. The tree is rooted with C. neofurvolaesus and C. anisatus, two species of section Bovini. The new species is in bold.
FIGURE 4. Cortinarius subcaesiobrunneus, a in Cortinarius subcaesiobrunneus sp. nov., (Cortinariaceae, Agaricales) a new species from northwest China
FIGURE 4. Cortinarius subcaesiobrunneus, a) Basidiospores, b) Lamellar edge cells, c) Pileipellis. Bars: a = 10 μm, b = 20 μm, c = 40 μm. Photos by: Mengle Xie.
FIGURE 6. Cortinarius lentus. A in Cortinarius lentus (Agaricales, Cortinariaceae), a new species in section Calochroi
FIGURE 6. Cortinarius lentus. A Basidia and basidioles; B Spores; C Elements of the pileipellis. Coll. GDOR4750 (holotype). Scale bars: 10 μm. Drawing by F. Boccardo.
FIGURE 2 in Cortinarius lentus (Agaricales, Cortinariaceae), a new species in section Calochroi
FIGURE 2. Best tree from ML analyses for the RPB1 dataset of Cortinarius sect. Calochroi. Support values (MLB ≥ 70 % / BPP ≥ 0.95) are given above branches.
FIGURE 5. Cortinarius lentus. A–B in Cortinarius lentus (Agaricales, Cortinariaceae), a new species in section Calochroi
FIGURE 5. Cortinarius lentus. A–B Terminal elements of pileipellis; C–F Spores. A–E Coll. GDOR4750 (holotype), F Coll. GDOR191. Scale bars: 10 μm. Photos: A–E by F. Dovana; F by M. Clericuzio.
FIGURE 1 in Cortinarius lentus (Agaricales, Cortinariaceae), a new species in section Calochroi
FIGURE 1. Best tree from ML analyses for the ITS dataset of Cortinarius sect. Calochroi. Support values (MLB ≥ 70 % / BPP ≥ 0.95) are given above branches.
FIGURE 3. Cortinarius lentus. A–B in Cortinarius lentus (Agaricales, Cortinariaceae), a new species in section Calochroi
FIGURE 3. Cortinarius lentus. A–B Basidiomes in habitat. A Coll. GDOR 4750 (holotype). B Coll. GDOR 191. Photos: A by F. Boccardo; B by M. Clericuzio.
FIGURE 1 in Cortinarius jiaoheensis (Cortinariaceae), a new species of Cortinarius subgenus Telamonia section Flexipedes, from northeast China
FIGURE 1. MrBayes and RAxML phylogram inferred from partial ITS sequence data. The tree is rooted with Cortinarius birkebakii and C. neosanguineus. Posterior probalities (>0.90) and maximum likelihood support values (>90) are showed on each branch (PP/MP). The new species is in bold.
FIGURE 3 in Cortinarius jiaoheensis (Cortinariaceae), a new species of Cortinarius subgenus Telamonia section Flexipedes, from northeast China
FIGURE 3. Cortinarius jiaoheensis (HMJAU56920) a. Basidiomata; b. Basidiospores; c. Marginal cells; d. Basidia; e. Pileipellis. Bars: a = 1 cm; b–h =10 µm. Drawings by Ying Luo.
FIGURE 4 in Cortinarius jiaoheensis (Cortinariaceae), a new species of Cortinarius subgenus Telamonia section Flexipedes, from northeast China
FIGURE 4. Scanning electron micrographs of Cortinarius jiaoheensis (from holotype, HMJAU56920) showing verrucose basidiospores. Photos by Ying Luo.
FIGURE 3 in Cortinarius pseudocisticola (Agaricales, Cortinariaceae), a new species in section Calochroi from Europe
FIGURE 3. Cortinarius pseudocisticola. Basidiomes of coll. GDOR4493 (holotype). Drawing by F. Boccardo.
FIGURE 2. Cortinarius pseudocisticola. A–E Fresh basidiomes. F in Cortinarius pseudocisticola (Agaricales, Cortinariaceae), a new species in section Calochroi from Europe
FIGURE 2. Cortinarius pseudocisticola. A–E Fresh basidiomes. F KOH reaction on dried pileus. A, F Coll. GDOR4493 (holotype). B Coll. GDOR4763bis. C–D Coll. PRM952560. E Coll. DB2020-10-17-3. Photos: A–B, F F. Boccardo; C–D J. Borovička; E B. Dima. In B, D, F 30% KOH reaction is presented.
FIGURE 1 in Cortinarius pseudocisticola (Agaricales, Cortinariaceae), a new species in section Calochroi from Europe
FIGURE 1. Best tree from ML analyses for the ITS dataset of Cortinarius sect. Calochroi. Support values (MLB ≥ 70 % / BPP ≥ 0.95) are given above branches. The names of the species included in the discussion are highlighted after the clades.
FIGURE 4. Cortinarius anaunianus a Spores. b Basidia. c Marginal cells. d in Cortinarius anaunianus (Agaricales, Cortinariaceae): a new species of the Humolentes clade from Italy
FIGURE 4. Cortinarius anaunianus a Spores. b Basidia. c Marginal cells. d Elements of the pileipellis. Coll. TR gmb 01246 (holotype). Scale bars: 10 μm. Drawings by T. Lezzi & R.J. Ferrari.
FIGURE 5 in Cortinarius anaunianus (Agaricales, Cortinariaceae): a new species of the Humolentes clade from Italy
FIGURE 5. Bayesian phylogram obtained from the combined dataset (nrITS, nrLSU, rpb1, rpb2 and the binary matrix of coded indels) sequence alignment of the Humolentes clade. C. sulfurinus TUB 012743 was used as outgroup taxon. Support values for major clades that are supported in both the Bayesian (Posterior Probabilities percentage – BPP) and Maximum Likelihood (ML Bootstrap percentage - MLB analyses) are indicated. BPP/MLB above 0.95 and 0.70, respectively, are given above branches. The bar indicates number of substitutions per site.
FIGURE 3 in Cortinarius anaunianus (Agaricales, Cortinariaceae): a new species of the Humolentes clade from Italy
FIGURE 3. Cortinarius anaunianus (holotype, TR gmb 01246). a Basidiospores. b Basidiospore ornamentation. c Elements of the pileipellis. d Marginal cells. Scale bars: 10 μm. Photos by A. Fellin.
FIGURE 1. Cortinarius anaunianus a in Cortinarius anaunianus (Agaricales, Cortinariaceae): a new species of the Humolentes clade from Italy
FIGURE 1. Cortinarius anaunianus a Natural habitat of silver fir forest. b Georeferenced sites of the collected C. anaunianus vouchers. Photos by A. Fellin.
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