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  • 1
    Online Resource
    Online Resource
    Remersonia , a new genus for Stilbella thermophila , a thermophilic mould from compost
    Canadian Science Publishing ; 1997
    In:  Canadian Journal of Botany Vol. 75, No. 7 ( 1997-07-01), p. 1158-1165
    Details
    In: Canadian Journal of Botany, Canadian Science Publishing, Vol. 75, No. 7 ( 1997-07-01), p. 1158-1165
    Abstract: The thermophilic synnematous hyphomycete Stilbella thermophila is redescribed and illustrated based on the study of type and supplementary material. The species is transferred to a new anamorph genus, Remersonia, characterized by determinate synnemata with scarcely branched conidiophores, percurrently proliferating conidiogenous cells, relatively large ameroconidia that accumulate in slime, and thermotolerant growth. Cladistic analysis of partial 18S and 28S ribosomal DNA sequences suggest that the fungus is a member of the Sordariales. Septal ultrastructure and a failure to grow on benomyl-emended media support the ascomycetous affinities of the fungus. Failure to grow on cycloheximide-emended media supports sequencing data suggesting that the species is not allied with the Ophiostomatales. The biology of the fungus is briefly discussed. Key words: thermophilic fungi, mushroom compost, hyphomycetes, systematics, 18S rDNA, 28S rDNA.
    Type of Medium: Online Resource
    ISSN: 0008-4026
    URL: Article
    DOI: 10.1139/b97-828
    Language: English
    Publisher: Canadian Science Publishing
    Publication Date: 1997
    detail.hit.zdb_id: 218116-2
    detail.hit.zdb_id: 1481926-0
    SSG: 12
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  • 2
    Online Resource
    Online Resource
    Prospects for fungus identification using CO1 DNA barcodes, with Penicillium as a test case
    Proceedings of the National Academy of Sciences ; 2007
    In:  Proceedings of the National Academy of Sciences Vol. 104, No. 10 ( 2007-03-06), p. 3901-3906
    Details
    In: Proceedings of the National Academy of Sciences, Proceedings of the National Academy of Sciences, Vol. 104, No. 10 ( 2007-03-06), p. 3901-3906
    Abstract: DNA barcoding systems employ a short, standardized gene region to identify species. A 648-bp segment of mitochondrial cytochrome c oxidase 1 ( CO1 ) is the core barcode region for animals, but its utility has not been tested in fungi. This study began with an examination of patterns of sequence divergences in this gene region for 38 fungal taxa with full CO1 sequences. Because these results suggested that CO1 could be effective in species recognition, we designed primers for a 545-bp fragment of CO1 and generated sequences for multiple strains from 58 species of Penicillium subgenus Penicillium and 12 allied species. Despite the frequent literature reports of introns in fungal mitochondrial genomes, we detected introns in only 2 of 370 Penicillium strains. Representatives from 38 of 58 species formed cohesive assemblages with distinct CO1 sequences, and all cases of sequence sharing involved known species complexes. CO1 sequence divergences averaged 0.06% within species, less than for internal transcribed spacer nrDNA or β-tubulin sequences ( BenA ). CO1 divergences between species averaged 5.6%, comparable to internal transcribed spacer, but less than values for BenA (14.4%). Although the latter gene delivered higher taxonomic resolution, the amplification and alignment of CO1 was simpler. The development of a barcoding system for fungi that shares a common gene target with other kingdoms would be a significant advance.
    Type of Medium: Online Resource
    ISSN: 0027-8424 , 1091-6490
    URL: Article
    DOI: 10.1073/pnas.0611691104
    RVK:
    TA 1000
    RVK:
    WA 15000
    Language: English
    Publisher: Proceedings of the National Academy of Sciences
    Publication Date: 2007
    detail.hit.zdb_id: 209104-5
    detail.hit.zdb_id: 1461794-8
    SSG: 11
    SSG: 12
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  • 3
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    Online Resource
    Penicillium mallochii and P. guanacastense , two new species isolated from Costa Rican caterpillars
    Mycotaxon, Ltd. ; 2012
    In:  Mycotaxon Vol. 119, No. 1 ( 2012-04-11), p. 315-328
    Details
    In: Mycotaxon, Mycotaxon, Ltd., Vol. 119, No. 1 ( 2012-04-11), p. 315-328
    Abstract: Twenty-five strains of monoverticillate Penicillium species were isolated from dissected guts and fecal pellets of leaf-eating caterpillars reared in the Área de Conservación Guanacaste, Costa Rica, or from washed leaves of their food plants. Phylogenetic analyses of β-tubulin, nuclear ribosomal internal transcribed spacer (ITS), cytochrome c oxidase subunit 1, translation elongation factor 1- α and calmodulin gene sequences revealed two phylogenetically distinct, undescribed species closely related to P. sclerotiorum . Penicillium mallochii was isolated from Rothschildia lebeau and Citheronia lobesis ( Saturniidae ) and their food plant Spondias mombin ( Anacardiaceae ) and P. guanacastense from Eutelia sp. ( Noctuidae ). Both fungi produce greenish conidial masses and orange pigments in agar culture, have smooth-walled, monoverticillate conidiophores with moderately vesiculate apices, and globose to subglobose conidia. The species morphologically resemble P. sclerotiorum but differ subtly in vesicle width and conidial shape.
    Type of Medium: Online Resource
    ISSN: 0093-4666
    URL: Article
    DOI: 10.5248/119.315
    Language: English
    Publisher: Mycotaxon, Ltd.
    Publication Date: 2012
    detail.hit.zdb_id: 2409472-9
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  • 4
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    Online Resource
    Identification and Detection of Fusarium striatum as a New Record of Pathogen to Greenhouse Tomato in Northeastern America
    Scientific Societies ; 2014
    In:  Plant Disease Vol. 98, No. 3 ( 2014-03), p. 292-298
    Details
    In: Plant Disease, Scientific Societies, Vol. 98, No. 3 ( 2014-03), p. 292-298
    Abstract: Recently, a new disease was reported on greenhouse tomato plants in both Quebec, Canada and Maine, United States. Symptomatic plants bore brown lesions at graft points and pruning sites, resulting in expanding cankers with clearly delineated margins. Diseased plants eventually wilted and died within a few weeks following the appearance of the first symptoms. The symptoms are reminiscent of infection by Fusarium oxysporum f. sp. radicis-lycopersici, with the notable difference of a discoloration of the pith area rather than the vascular tissues. A homothallic Fusarium sp. was consistently recovered from these lesions. Sequencing of the internal transcribed spacer and the partial translation elongation factor 1-α gene identified the species as F. striatum. Pathogenicity tests with F. striatum isolates from diseased tissues reproduced disease symptoms in tomato similar to those observed on tomato plants in the greenhouses. Specific detection of F. striatum from mycelia and diseased and disease-free plant tissues was achieved by developing a polymerase chain reaction-based test. These results establish, for the first time, that the species F. striatum is the cause of crown and stem rot affecting tomato in North America. In addition F. striatum was detected from all sampled tissues of plants delivered by the nursery common to both growers, suggesting that the transplants would be the source of the inoculum.
    Type of Medium: Online Resource
    ISSN: 0191-2917 , 1943-7692
    URL: Article
    DOI: 10.1094/PDIS-08-13-0844-RE
    Language: English
    Publisher: Scientific Societies
    Publication Date: 2014
    detail.hit.zdb_id: 2042679-3
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  • 5
    Online Resource
    Online Resource
    Arthroxylaria elegans , a new coprophilous anamorphic fungus allied with the Xylariaceae , with the notes on the genus Bisporostilbella .
    Czech Scientific Society for Mycology ; 2002
    In:  Czech Mycology Vol. 53, No. 4 ( 2002-10-03), p. 297-307
    Details
    In: Czech Mycology, Czech Scientific Society for Mycology, Vol. 53, No. 4 ( 2002-10-03), p. 297-307
    Type of Medium: Online Resource
    ISSN: 1211-0981 , 1805-1421
    URL: Journal
    URL: Article
    DOI: 10.33585/cmy
    DOI: 10.33585/cmy.53405
    Language: Unknown
    Publisher: Czech Scientific Society for Mycology
    Publication Date: 2002
    detail.hit.zdb_id: 2494647-3
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  • 6
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    Online Resource
    Devriesia , a new hyphomycete genus to accommodate heat-resistant, cladosporium-like fungi
    Canadian Science Publishing ; 2004
    In:  Canadian Journal of Botany Vol. 82, No. 7 ( 2004-07-01), p. 914-926
    Details
    In: Canadian Journal of Botany, Canadian Science Publishing, Vol. 82, No. 7 ( 2004-07-01), p. 914-926
    Abstract: Three new species of heat-resistant fungi related to the hyphomycete Cladosporium staurophorum (Kendrick) M.B. Ellis were isolated from heat-treated soil from commercial lowbush blueberry fields and other sites in eastern Canada. Cladosporium staurophorum and the three new species produce characteristic dark, multicelled chlamy dospores. Phylogenetic analysis of nuclear ribosomal internal transcribed spacer DNA sequences suggest that these four species form a monophyletic group that is marginal in the Mycosphaerellaceae and phylogenetically distinct from Cladosporium sensu stricto. The new genus Devriesia is described for C. staurophorum, the three new species, and a fifth species originally described as Cladosporium chlamydosporis. A key to distinguish the five accepted species is provided. The species of the genus are dimorphic and share similar cladosporium-like conidial anamorphs consisting of pale brown, short, acropetally produced chains of cylindrical to fusiform, zero- or one-septate conidia and ramoconidia, diagnostic chlamydosporic synanamorphs, and a soil-borne, heat-resistant ecology. Devriesia acadiensis N.L. Nickerson & Seifert, with clover-shaped chlamydospores, Devriesia shelburniensis N.L. Nickerson & Seifert, with large, multi celled chlamydospores, and Devriesia thermodurans N.L. Nickerson & Seifert, with few-celled, clavate chlamy dospores, are described as new species. Chlamydospores from cultures of D. acadiensis, Devriesia staurophora, and D. thermodurans germinated after exposure to 75 °C for 30 min. Germination of these spores was activated by a heat shock. Chlamydospores from cultures of C. shelburniensis did not germinate after heat exposure.Key words: dematiaceous hyphomycetes, heat-resistant fungi, lowbush blueberries, Vaccinium angustifolium, ITS rDNA phylogeny.
    Type of Medium: Online Resource
    ISSN: 0008-4026
    URL: Article
    DOI: 10.1139/b04-070
    Language: English
    Publisher: Canadian Science Publishing
    Publication Date: 2004
    detail.hit.zdb_id: 218116-2
    detail.hit.zdb_id: 1481926-0
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  • 7
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    Online Resource
    Phylogenetic relationships and the newly discovered sexual state of Talaromyces flavovirens , comb. nov.
    Mycotaxon, Ltd. ; 2013
    In:  Mycotaxon Vol. 122, No. 1 ( 2013-03-04), p. 399-411
    Details
    In: Mycotaxon, Mycotaxon, Ltd., Vol. 122, No. 1 ( 2013-03-04), p. 399-411
    Abstract: Typical Talaromyces ascomata were observed on dry Quercus suber leaf litter amongst the characteristic synnemata of Penicillium aureocephalum , and they appear to represent the sexual state of the latter species. The species is a synonym of the older Lasioderma flavovirens , and we propose the new combination Talaromyces flavovirens . Lectotype and epitype specimens are designated for this name. The defining characters of the asexual state include yellow, short-stalked, mycetozoan-like synnemata with an unusual, almost closed terminal head of penicillate conidiophores intermixed with sinuous hyphae, and dark green conidia. Ascomata could not be induced in culture, but PCR amplifications of mating-type genes indicate the species is heterothallic. In nature, ascocarp initials appear to be antheridia coiled around clavate ascogonia, similar to those of T. flavus , and the thick-walled, spiny ascospores are also similar to those of T. flavus . ITS barcodes and β-tubulin sequences place T. flavovirens in a clade with T. apiculatus , T. flavus , T. funiculosus , T. galapagensis , T. pinophilus , T. macrosporus , and seven other species.
    Type of Medium: Online Resource
    ISSN: 0093-4666
    URL: Article
    DOI: 10.5248/122.399
    Language: English
    Publisher: Mycotaxon, Ltd.
    Publication Date: 2013
    detail.hit.zdb_id: 2409472-9
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  • 8
    Online Resource
    Online Resource
    The phylogenetic relationships of two trichothecene-producing hyphomycetes, Spicellum roseum and Trichothecium roseum
    Informa UK Limited ; 1997
    In:  Mycologia Vol. 89, No. 2 ( 1997-03), p. 250-257
    Details
    In: Mycologia, Informa UK Limited, Vol. 89, No. 2 ( 1997-03), p. 250-257
    Type of Medium: Online Resource
    ISSN: 0027-5514 , 1557-2536
    URL: Article
    DOI: 10.1080/00275514.1997.12026778
    Language: English
    Publisher: Informa UK Limited
    Publication Date: 1997
    detail.hit.zdb_id: 2076341-4
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  • 9
    Online Resource
    Online Resource
    The Phylogenetic Relationships of Two Trichothecene-Producing Hyphomycetes, Spicellum roseum and Trichothecium roseum
    Informa UK Limited ; 1997
    In:  Mycologia Vol. 89, No. 2 ( 1997-03), p. 250-
    Details
    In: Mycologia, Informa UK Limited, Vol. 89, No. 2 ( 1997-03), p. 250-
    Type of Medium: Online Resource
    ISSN: 0027-5514
    URL: Article
    DOI: 10.2307/3761079
    Language: Unknown
    Publisher: Informa UK Limited
    Publication Date: 1997
    detail.hit.zdb_id: 2076341-4
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  • 10
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    Online Resource
    Four psychrotolerant species with high chemical diversity consistently producing cycloaspeptide A, Penicillium jamesonlandense sp. nov., Penicillium ribium sp. nov., Penicillium soppii and Penicillium lanosum
    Microbiology Society ; 2006
    In:  International Journal of Systematic and Evolutionary Microbiology Vol. 56, No. 6 ( 2006-06-01), p. 1427-1437
    Details
    In: International Journal of Systematic and Evolutionary Microbiology, Microbiology Society, Vol. 56, No. 6 ( 2006-06-01), p. 1427-1437
    Abstract: Penicillium jamesonlandense is a novel species from Greenland that grows exceptionally slowly at 25 °C and has an optimum temperature for growth of 17–18 °C. The novel species is more psychrotolerant than any other Penicillium species described to date. Isolates of this novel species produce a range of secondary metabolites with a high chemical diversity, represented by kojic acid, penicillic acid, griseofulvin, pseurotin, chrysogine, tryptoquivalins and cycloaspeptide. Penicillium ribium , another novel psychrotolerant species from the Rocky Mountains, Wyoming, USA, produces asperfuran, kojic acid and cycloaspeptide. Originally reported from an unidentified Aspergillus species isolated from Nepal, cycloaspeptide A is reported here for the first time from the two novel Penicillium species and two known psychrotolerant species with high chemical diversity, Penicillium soppii and Penicillium lanosum . All species, except P. ribium , produce a combination of cycloaspeptide and griseofulvin. However, P. ribium (3/5 strains) produced the precursor to griseofulvin, norlichexanthone. The type strain of Penicillium jamesonlandense sp. nov. is DAOM 234087 T (=IBT 21984 T =IBT 24411 T =CBS 102888 T ) and the type strain of Penicillium ribium sp. nov. is DAOM 234091 T (=IBT 16537 T =IBT 24431 T ).
    Type of Medium: Online Resource
    ISSN: 1466-5026 , 1466-5034
    URL: Article
    DOI: 10.1099/ijs.0.64160-0
    Language: English
    Publisher: Microbiology Society
    Publication Date: 2006
    detail.hit.zdb_id: 215062-1
    detail.hit.zdb_id: 2056611-6
    SSG: 12
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