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- 저자 : ( J. W. Spatafora ) (검색결과 4 건)
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New teleomorph combinations in the entomopathogenic genus <i>Metacordyceps</i>
Kepler, R.M.,Sung, G.-H.,Ban, S.,Nakagiri, A.,Chen, M.-J.,Huang, B.,Li, Z.,Spatafora, J.W. Informa UK (TaylorFrancis) 2012 Mycologia Vol.104 No.1
<P>The genus Metacordyceps contains arthropod pathogens in Clavicipitaceae (Hypocreales) that formerly were classified in Cordyceps sensu Kobayasi et Mains. Of the current arthropod pathogenic genera of Hypocreales, the genus Metacordyceps remains one of the most poorly understood and contains a number of teleomorphic morphologies convergent with species of Cordyceps s.s. (Cordycipitaceae) and Ophiocordyceps (Ophiocordycipitaceae). Of note, the anamorph genera Metarhizium and Pochonia were found to be associated only with Metacordyceps and demonstrated to be phylogenetically informative for the clade. Several species of Cordyceps considered to have uncertain placements (incertae sedis) in the current taxonomic framework of clavicipitoid fungi were collected during field expeditions mostly in eastern Asia. Species reclassified here in Metacordyceps include Cordyceps atrovirens Kobayasi & Shimizu, Cordyceps indigotica Kobayasi & Shimizu, Cordyceps khaoyaiensis Hywel-Jones, Cordyceps kusanagiensis Kobayasi & Shimizu, Cordyceps martialis Speg., Ophiocordyceps owariensis Kobayasi, Cordyceps pseudoatrovirens Kobayasi & Shimizu and Ophicordyceps owariensis f. viridescens (Uchiy. & Udagawa) G.H. Sung, J.M. Sung, Hywel-Jones & Spatafora. Incorporation of these species in a multigene phylogenetic framework of the major clades of clavicipitoid fungi more than doubled the number of species in Metacordyceps and allowed for refinement of morphological concepts for the genus consistent with the phylogenetic structure. Based on these findings we then discuss evolution of this genus, subgeneric relationships, anamorph connections, and suggest additional species that should be confirmed for possible inclusion in Metacordyceps.</P>
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Genome sequence of a white rot fungus Schizopora paradoxa KUC8140 for wood decay and mycoremediation
Min, B.,Park, H.,Jang, Y.,Kim, J.J.,Kim, K.H.,Pangilinan, J.,Lipzen, A.,Riley, R.,Grigoriev, I.V.,Spatafora, J.W.,Choi, I.G. Elsevier Science Publishers 2015 Journal of biotechnology Vol.211 No.-
Schizopora paradoxa KUC8140 is a white rot wood degrader commonly found in Korea. Tolerance to heavy metals and polycyclic aromatic hydrocarbons and dye decolorization activity make this strain a potential candidate for mycoremediation. We report the genome sequence of S. paradoxa KUC8140 containing 44.4Mbp. Based on ab initio gene prediction, homology search and RNA-seq, total 17,098 gene models were annotated. We identified 17 lignin-modifying peroxidases and other 377 carbohydrate-active enzymes for modeling lignocellulose deconstruction and mycoremediation.
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Phylogenetic classification of <i>Cordyceps</i> and the clavicipitaceous fungi
Sung, Gi-Ho,Hywel-Jones, Nigel L.,Sung, Jae-Mo,Luangsa-ard, J. Jennifer,Shrestha, Bhushan,Spatafora, Joseph W. CBS PUBLICATIONS 2007 STUDIES IN MYCOLOGY Vol.- No.57
<P><I>Cordyceps</I>, comprising over 400 species, was historically classified in the <I>Clavicipitaceae</I>, based on cylindrical asci, thickened ascus apices and filiform ascospores, which often disarticulate into part-spores. <I>Cordyceps</I> was characterized by the production of well-developed often stipitate stromata and an ecology as a pathogen of arthropods and <I>Elaphomyces</I> with infrageneric classifications emphasizing arrangement of perithecia, ascospore morphology and host affiliation. To refine the classification of <I>Cordyceps</I> and the <I>Clavicipitaceae</I>, the phylogenetic relationships of 162 taxa were estimated based on analyses consisting of five to seven loci, including the nuclear ribosomal small and large subunits (<I>nrSSU</I> and <I>nrLSU</I>), the elongation factor 1α (<I>tef1</I>), the largest and the second largest subunits of RNA polymerase II (<I>rpb1</I> and <I>rpb2</I>), β-tubulin (<I>tub</I>), and mitochondrial ATP6 (<I>atp6</I>). Our results strongly support the existence of three clavicipitaceous clades and reject the monophyly of both <I>Cordyceps</I> and <I>Clavicipitaceae</I>. Most diagnostic characters used in current classifications of <I>Cordyceps</I> (e.g., arrangement of perithecia, ascospore fragmentation, etc.) were not supported as being phylogenetically informative; the characters that were most consistent with the phylogeny were texture, pigmentation and morphology of stromata. Therefore, we revise the taxonomy of <I>Cordyceps</I> and the <I>Clavicipitaceae</I> to be consistent with the multi-gene phylogeny. The family <I>Cordycipitaceae</I> is validated based on the type of <I>Cordyceps</I>, <I>C. militaris,</I> and includes most <I>Cordyceps</I> species that possess brightly coloured, fleshy stromata. The new family <I>Ophiocordycipitaceae</I> is proposed based on <I>Ophiocordyceps</I> Petch, which we emend. The majority of species in this family produce darkly pigmented, tough to pliant stromata that often possess aperithecial apices. The new genus <I>Elaphocordyceps</I> is proposed for a subclade of the <I>Ophiocordycipitaceae</I>, which includes all species of <I>Cordyceps</I> that parasitize the fungal genus <I>Elaphomyces</I> and some closely related species that parasitize arthropods. The family <I>Clavicipitaceae</I><I>s. s.</I> is emended and includes the core clade of grass symbionts (e.g., <I>Balansia</I>, <I>Claviceps</I>, <I>Epichloë</I>, etc.), and the entomopathogenic genus <I>Hypocrella</I> and relatives. In addition, the new genus <I>Metacordyceps</I> is proposed for <I>Cordyceps</I> species that are closely related to the grass symbionts in the <I>Clavicipitaceae</I><I>s. s.</I><I>Metacordyceps</I> includes teleomorphs linked to <I>Metarhizium</I> and other closely related anamorphs. Two new species are described, and lists of accepted names for species in <I>Cordyceps</I>, <I>Elaphocordyceps</I>, <I>Metacordyceps</I> and <I>Ophiocordyceps</I> are provided.</P>
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