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Mycologia

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https://www.readbyqxmd.com/read/29020516/seasonal-dynamics-and-fungicide-sensitivity-of-organisms-causing-brown-patch-of-tall-fescue-in-north-carolina
#1
Alyssa M Koehler, H David Shew
Brown patch, caused by multiple species of Rhizoctonia and Rhizoctonia-like fungi, is the most severe summer disease of tall fescue in home lawns across the southeastern United States. Home lawns were surveyed in central North Carolina from 2013 to 2015 to determine the organisms present during typical epidemics of brown patch in tall fescue. Isolates of Rhizoctonia and Rhizoctonia-like fungi were obtained by sampling 147 locations in July 2013 and May and July 2014. In addition, 11 sites were sampled once a week for 12 consecutive weeks from late May to the end of July 2015...
October 4, 2017: Mycologia
https://www.readbyqxmd.com/read/29020517/phylogenetic-assessment-of-chromocyphellaceae-agaricineae-basidiomycota-and-a-new-lamellate-species-of-chromocyphella
#2
Gabriel Moreno, Maria Prieto, Fernando Esteve-Raventós, Ibai Olariaga
Cyphelloid fungi represent a polyphyletic assemblage of reduced agarics, including the brown-spored family Chromocyphellaceae. In order to elucidate the phylogenetic position of Chromocyphellaceae, newly generated sequences of Chromocyphella were included in a multigene alignment of the Agaricineae and phylogenetically analyzed. The current analyses show that the Chromocyphella muscicola specimen used to phylogenetically place Chromocyphellaceae in its original description was misidentified and that the Chromocyphellaceae nests in the Hymenogastraceae, Chromocyphella being sister to Flammula...
September 21, 2017: Mycologia
https://www.readbyqxmd.com/read/29020573/new-species-of-talaromyces-isolated-from-maize-indoor-air-and-other-substrates
#3
Stephen W Peterson, Željko Jurjević
Talaromyces strains isolated from maize seeds and the built environment were examined taxonomically because they could not be identified as previously described species. Using phenotypic analysis, DNA sequencing, and phylogenetic and concordance analyses, the authors discovered and described 10 new species in sect. Islandici and 1 new species in sect. Subinflati. Taxonomic novelties in sect. Islandici are Talaromyces delawarensis, T. herodensis, T. juglandicola, T. kilbournensis, T. novojersensis, T. ricevillensis, T...
September 18, 2017: Mycologia
https://www.readbyqxmd.com/read/29023208/laboulbeniales-parasitic-on-american-small-carrion-beetles-new-species-of-corethromyces-diphymyces-and-rodaucea
#4
Danny Haelewaters, Walter Rossi
Ten new species of Laboulbeniales parasitic on small carrion beetles (Coleoptera, Leiodidae, Cholevinae) from the American continent are described: Corethromyces bernardii on Dissochaetus spp. from Bolivia, Costa Rica, Ecuador, and the USA; Diphymyces anthracinus on Ptomaphagus brevior from the USA; D. blackwelliae on Ptomaphagus giaquintoi from Guatemala; D. costaricensis on Adelopsis sp. from Costa Rica; D. dichromus on Adelopsis marinae from Argentina; D. newtonii on Ptomaphagus fumosus from the USA; D. obesus on Ptomaphagus brevior from the USA; Diphymyces perreaui on Ptomaphagus nevadicus from the USA; D...
September 14, 2017: Mycologia
https://www.readbyqxmd.com/read/29020509/phylogeny-and-taxonomy-of-echinodontium-and-related-genera
#5
Shi-Liang Liu, Yan Zhao, Yu-Cheng Dai, Karen K Nakasone, Shuang-Hui He
The phylogenetic relationship of eight species of Echinodontium, Laurilia, and Perplexostereum of Russulales were analyzed based on sequences of the nuc rDNA ITS1-5.8S-ITS2 (ITS [internal transcribed spacer]) and D1-D2 domains of nuc 28S rDNA (28S). Our results show that Echinodontium tinctorium, E. ryvardenii, and E. tsugicola represent Echinodontium sensu stricto. Based on morphological and phylogenetic evidence, the new genus Echinodontiellum is established to accommodate Echinodontium japonicum. Amylostereum, Echinodontium, Echinodontiellum, and Larssoniporia form the Echinodontiaceae clade...
September 6, 2017: Mycologia
https://www.readbyqxmd.com/read/28498789/corrigendum
#6
(no author information available yet)
No abstract text is available yet for this article.
May 12, 2017: Mycologia
https://www.readbyqxmd.com/read/28876195/bifiguratus-adelaidae-gen-et-sp-nov-a-new-member-of-mucoromycotina-in-endophytic-and-soil-dwelling-habitats
#7
Terry J Torres-Cruz, Terri L Billingsley Tobias, Maryam Almatruk, Cedar N Hesse, Cheryl R Kuske, Alessandro Desirò, Gian Maria Niccolò Benucci, Gregory Bonito, Jason E Stajich, Christopher Dunlap, A Elizabeth Arnold, Andrea Porras-Alfaro
Illumina amplicon sequencing of soil in a temperate pine forest in the southeastern United States detected an abundant, nitrogen (N)-responsive fungal genotype of unknown phylogenetic affiliation. Two isolates with ribosomal sequences consistent with that genotype were subsequently obtained. Examination of records in GenBank revealed that a genetically similar fungus had been isolated previously as an endophyte of moss in a pine forest in the southwestern United States. The three isolates were characterized using morphological, genomic, and multilocus molecular data (18S, internal transcribed spacer [ITS], and 28S rRNA sequences)...
May 2017: Mycologia
https://www.readbyqxmd.com/read/28876180/description-of-bifiguratus-adelaidae-the-hunt-ends-for-one-of-the-top-50-most-wanted-fungi
#8
Timothy Y James, Keith A Seifert
No abstract text is available yet for this article.
May 2017: Mycologia
https://www.readbyqxmd.com/read/28854121/entyloma-helianthi-identification-and-characterization-of-the-causal-agent-of-sunflower-white-leaf-smut
#9
Suzanne Rooney-Latham, Matthias Lutz, Cheryl L Blomquist, Megan K Romberg, Heather J Scheck, Marcin Piątek
White leaf smut is a minor foliar disease of sunflower (Helianthus annuus) in the United States. The disease occurs primarily in greenhouse-grown sunflowers in California and causes leaf spot, defoliation, and a reduction in yield and crop value. Historically, many Entyloma specimens with similar morphological characters, but infecting diverse plant genera including Helianthus, were called Entyloma polysporum. Recent comparative morphological and molecular work has shown that Entyloma species infect hosts within a single genus or species, suggesting that the sunflower Entyloma species may not be E...
May 2017: Mycologia
https://www.readbyqxmd.com/read/28854055/powdery-mildew-of-chrysanthemum-%C3%A3-morifolium-phylogeny-and-taxonomy-in-the-context-of-golovinomyces-species-on-asteraceae-hosts
#10
Michael Bradshaw, Uwe Braun, Monika Götz, Jamjan Meeboon, Susumu Takamatsu
The taxonomic history of the common powdery mildew of Chrysanthemum × morifolium (chrysanthemum, florist's daisy), originally described in Germany as Oidium chrysanthemi, is discussed. The position of O. chrysanthemi was investigated on the basis of morphological traits and molecular phylogenetic analyses. Based on the results of this study, this species, which is closely related to Golovinomyces artemisae, was reassessed and reallocated to Golovinomyces. The phylogenetic analysis and taxonomic reassessment of the chrysanthemum powdery mildew is supplemented by a morphological description, a summary of its worldwide distribution data, and a brief discussion of the introduction of this fungus to North America...
May 2017: Mycologia
https://www.readbyqxmd.com/read/28849988/botrytis-euroamericana-a-new-species-from-peony-and-grape-in-north-america-and-europe
#11
Andrea R Garfinkel, Marilinda Lorenzini, Giacomo Zapparoli, Gary A Chastagner
A novel species of Botrytis isolated from peony in Alaska, USA, and grape in Trento District, Italy, was identified based on morphology, pathogenicity, and sequence data. The grape and peony isolates share sequence homology in the glyceraldehyde-3-phosphate dehydrogenase (G3PDH), heat shock protein 60 (HSP60), DNA-dependent RNA polymerase subunit II (RPB2), and necrosis- and ethylene-inducing protein 1 and 2 (NEP1 and NEP2) genes that place them in a distinct group closely related to B. aclada, a globally distributed pathogen of onions...
May 2017: Mycologia
https://www.readbyqxmd.com/read/28841369/richard-paul-korf-1925-2016
#12
Donald H Pfister, Harold H Burdsall, Teresa Iturriaga, Linda M Kohn, Amy Y Rossman, Wen-Ying Zhuang
"With poetry, the tune is in the words themselves-and once you begin to hear it, it will stay with you." Richard P. Korf, notes to his narration of John Brown's Body.
May 2017: Mycologia
https://www.readbyqxmd.com/read/28837394/corrigendum
#13
(no author information available yet)
No abstract text is available yet for this article.
May 2017: Mycologia
https://www.readbyqxmd.com/read/28762885/spring-and-early-summer-species-of-cortinarius-subgenus-telamonia-section-colymbadini-and-flavobasilis-in-the-mountains-of-western-north-america
#14
Joseph F Ammirati, Tuula Niskanen, Kare Liimatainen, Dimitar Bojantchev, Ursula Peintner, Regina Kuhnert-Finkernagel, Cathy Cripps
Seven species of Cortinarius, subgenus Telamonia, section Colymbadini and /Flavobasilis, are reported from conifer forests in the mountains of western North America. They typically produce basidiomes in the spring and summer. Only one species, C. colymbadinus, is widespread, occurring in Europe and western North America, but to date not reported from California. Cortinarius bridgei, C. flavobasilis, C. rumoribrunsi, C. vernalishastensis, and C. vernalisierraensis are new species. The first two are found throughout the western mountains, whereas the latter three thus far are known only from California...
May 2017: Mycologia
https://www.readbyqxmd.com/read/28759322/diversity-and-dynamics-of-the-dna-and-cdna-derived-compost-fungal-communities-throughout-the-commercial-cultivation-process-for-agaricus-bisporus
#15
C F McGee, H Byrne, A Irvine, J Wilson
Commercial cultivation of the button mushroom Agaricus bisporus is performed through the inoculation of a semipasteurized composted material. Pasteurization of the compost material prior to inoculation results in a substrate with a fungal community that becomes dominated by A. bisporus. However, little is known about the composition and activity in the wider fungal community beyond the presence of A. bisporus in compost throughout the mushroom cropping process. In this study, the fungal cropping compost community was characterized by sequencing nuc rDNA ITS1-5...
May 2017: Mycologia
https://www.readbyqxmd.com/read/28723242/interspecific-and-intraspecific-hybrid-epichlo%C3%A3-species-symbiotic-with-the-north-american-native-grass-poa-alsodes
#16
Tatsiana Shymanovich, Nikki D Charlton, Ashleigh M Musso, Jonathan Scheerer, Nadja B Cech, Stanley H Faeth, Carolyn A Young
The endophyte presence and diversity in natural populations of Poa alsodes were evaluated along a latitudinal transect from the southern distribution range in North Carolina to New York. Two distinct Epichloë hybrid taxa were identified from 23 populations. Each taxon could easily be distinguished by polymerase chain reaction (PCR) genotyping with primers designed to mating type genes and alkaloid biosynthesis genes that encode key pathway steps for ergot alkaloids, indole-diterpenes, lolines, and peramine...
May 2017: Mycologia
https://www.readbyqxmd.com/read/28641042/resolving-the-melampsora-epitea-complex
#17
Peng Zhao, Makoto Kakishima, Qi Wang, Lei Cai
Melampsora epitea (Pucciniales, Basidiomycota) has been widely known as the main rust pathogen on willows, but its species boundary has been extremely confusing. Melampsora epitea was often confused with several morphologically similar species, such as M. arctica, M. humilis, and M. epiphylla. Recent DNA-based studies using specimens from North America and Europe suggested that M. epitea was a complex of several phylogenetic species. In this study, we examined the species boundary of M. epitea based on rDNA phylogeny and the general mixed Yule coalescent (GMYC) model from 534 specimens...
May 2017: Mycologia
https://www.readbyqxmd.com/read/28641037/powdery-mildews-on-lilac-in-western-north-america-include-phyllactinia-syringae-sp-nov
#18
Harold J Larsen, Uwe Braun, Cheryl Blomquist, Patrick Woods, S Krishna Mohan
Two powdery mildews, Erysiphe syringae and the previously undescribed Phyllactinia syringae, sp. nov., occur on lilac in western North America. Phyllactinia syringae is found on common lilac, whereas E. syringae is found on Chinese lilac and, occasionally, common lilac. Infection by P. syringae is extremely unobtrusive until formation of a hypophyllous mycelial mat with chasmothecia in late fall. Infection by E. syringae in late summer is conspicuous, with its thick, superficial mycelial mat on the leaf upper surface detracting from the aesthetic appearance of the bush...
May 2017: Mycologia
https://www.readbyqxmd.com/read/28636496/the-genus-pulveroboletus-boletaceae-boletales-in-china
#19
Nian-Kai Zeng, Zhi-Qun Liang, Li-Ping Tang, Yan-Chun Li, Zhu L Yang
Species of Pulveroboletus (Boletaceae, Boletales) in China are investigated on the basis of morphology and molecular phylogenetic analyses of DNA sequences from nuc rDNA region encompassing the internal transcribed spacers 1 and 2, along with the 5.8S rDNA (ITS) and nuc 28S rDNA D1-D2 domains (28S) and sequences from the translation elongation factor 1-α gene (TEF1). Nine species are recognized in the country, three of them are described as new: P. flaviscabrosus, P. rubroscabrosus, and P. subrufus, five of them are previous described taxa: P...
May 2017: Mycologia
https://www.readbyqxmd.com/read/28636469/ten-new-species-of-macalpinomyces-on-eriachne-in-northern-australia
#20
Ying-Ming Li, Roger G Shivas, Alistair R McTaggart, Peng Zhao, Lei Cai
Macalpinomyces was established in 1977, with the type species M. eriachnes described from a specimen collected in northern Australia on the grass Eriachne sp. in 1855. Subsequently, M. eriachnes has been reported on more than 21 species of Eriachne in northern Australia. In this study, a polyphasic approach was employed to determine whether M. eriachnes masked cryptic diversity. On the basis of morphology, multilocus phylogeny, and coalescent methods of generalized mixed Yule-coalescent (GMYC) and Poisson tree processes (PTP) models, 26 specimens of Macalpinomyces on 13 species of Eriachne held in Australian herbaria were studied...
May 2017: Mycologia
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