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  • 1
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    Fungal radiation in the Cape Floristic Region: An analysis based on Gondwanamyces and Ophiostoma (2009)
    Elsevier
    Details
    Publication Date: 2009-04-01
    Print ISSN: 1055-7903
    Electronic ISSN: 1095-9513
    Topics: Biology
    Published by Elsevier
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  • 2
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    Ceratocystis larium sp. nov., a new species from Styrax benzoin wounds associated with incense harvesting in Indonesia (2009)
    In:  Persoonia - Molecular Phylogeny and Evolution of Fungi (0031-05850) vol.22 (2009) nr.1 p.75
    Details
    Publication Date: 2015-04-20
    Description: Styrax benzoin trees, native to the island Sumatra, Indonesia are wounded to produce resin that is collected and burned as incense. These wounds on trees commonly develop into expanding cankers that lead to tree death. The aim of this study was to consider whether Ophiostomatoid fungi, typically associated with wounds on trees might be associated with resin harvesting on S. benzoin. Samples were collected from the edges of artificially induced wounds, and particularly where cankers and staining of the vascular tissue was evident. Tissue samples were incubated in moist chambers and carrot baiting was also used to detect the presence of Ceratocystis spp. Fruiting structures with morphology typical of species in the C. fimbriata s.l. species complex and species in the anamorph genus Thielaviopsis were found, on both the incubated wood and the carrot baits. DNA sequences were generated for the Internal Transcribed Spacer regions 1 and 2 including the 5.8S rRNA gene, part of the β-tubulin and the Transcription Elongation Factor 1-α gene regions. These data were compared with those of other species in the C. fimbriata s.l. species complex and Thielaviopsis using phylogenetic analysis. Morphology of the isolates in culture as well as phylogenetic inference showed that the Thielaviopsis sp. present on the wounds was T. basicola. The Ceratocystis sp. from S. benzoin represents a new taxon in the C. fimbriata s.l. complex described here as C. larium sp. nov.
    Keywords: Ophiostomatoid fungi ; phylogenetic inference ; vascular staining
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 3
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    Phylogeny and taxonomy of obscure genera of microfungi (2009)
    In:  Persoonia - Molecular Phylogeny and Evolution of Fungi vol. 22 no. 1, pp. 139-161
    Details
    Publication Date: 2024-01-12
    Description: The recently generated molecular phylogeny for the kingdom Fungi, on which a new classification scheme is based, still suffers from an under representation of numerous apparently asexual genera of microfungi. In an attempt to populate the Fungal Tree of Life, fresh samples of 10 obscure genera of hyphomycetes were collected.\nThese fungi were subsequently established in culture, and subjected to DNA sequence analysis of the ITS and\nLSU\nnrRNA genes to resolve species and generic questions related to these obscure genera. Brycekendrickomyces (Herpotrichiellaceae) is introduced as a new genus similar to, but distinct from Haplographium and Lauriomyces.\nChalastospora is shown to be a genus in the Pleosporales, with two new species, C. ellipsoidea and C. obclavata, to which Alternaria malorum is added as an additional taxon under its oldest epithet, C. gossypii. Cyphellophora eugeniae is newly described in Cyphellophora (Herpotrichiellaceae), and distinguished from other taxa in the genus.\nDictyosporium is placed in the Pleosporales, with one new species, D. streliziae. The genus Edenia, which was recently introduced for a sterile endophytic fungus isolated in Mexico, is shown to be a hyphomycete (Pleosporales) forming a pyronellea-like synanamorph in culture. Thedgonia is shown not to represent an anamorph of Mycosphaerella, but to belong to the Helotiales. Trochophora, however, clustered basal to the Pseudocercospora complex in the Mycosphaerellaceae, as did Verrucisporota. Vonarxia, a rather forgotten genus of hyphomycetes, is shown to belong to the Herpotrichiellaceae and Xenostigmina is confirmed as synanamorph of Mycopappus, and is shown to be allied to Seifertia in the Pleosporales. Dichotomous keys are provided for species in the various genera treated. Furthermore, several families are shown to be polyphyletic within some orders, especially in the Capnodiales, Chaetothyriales and Pleosporales.
    Keywords: Brycekendrickomyces ; Chalastospora ; Cyphellophora ; Dictyosporium ; Edenia ; phylogeny ; taxonomy ; Thedgonia ; Trochophora ; Verrucisporota ; Vonarxia ; Xenostigmina
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 4
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    Ophiostoma denticiliatum sp. nov. and other Ophiostoma species associated with the birch bark beetle in southern Norway (2009)
    In:  Persoonia - Molecular Phylogeny and Evolution of Fungi vol. 23 no. 1, pp. 9-15
    Details
    Publication Date: 2024-01-12
    Description: Ophiostomatoid fungi were isolated from Scolytus ratzeburgi infesting Betula pendula and B. pubescens in Norway. Fungi were identified based on morphology, DNA sequence comparison for two gene regions and phylogenetic analyses. The most abundant fungus was Ophiostoma karelicum, suggesting a specific relationship between the fungus, the vector insect and the host tree. Our results suggest that O. karelicum occurs across the geographic range of S. ratzeburgi and its close relatedness to the Dutch elm disease fungi suggests that it could be important if introduced into other parts of the world. Other fungi, only occasionally isolated from S. ratzeburgi, were identified as O. quercus and a novel taxon, described here as O. denticiliatum sp. nov.
    Keywords: Betula ; Ophiostoma ; Scolytus ; symbiosis
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 5
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    Species of Botryosphaeriaceae occurring on Proteaceae (2008)
    In:  Persoonia - Molecular Phylogeny and Evolution of Fungi vol. 21 no. 1, pp. 111-118
    Details
    Publication Date: 2024-01-12
    Description: The Botryosphaeriaceae includes several species that are serious canker and leaf pathogens of Pro- teaceae. In the present study, sequence data for the ITS nrDNA region were used in conjunction with morphological observations to resolve the taxonomy of species of Botryosphaeriaceae associated with Proteaceae. Neofusicoccum luteum was confirmed from Buckinghamia and Banksia in Australia, and on Protea cynaroides in South Africa. A major pathogen of Banksia coccinea in Australia was shown to be N. australe and not N. luteum as previously reported. Neofusicoccum protearum was previously reported on Proteaceae from Australia, Madeira, Portugal and South Africa, and is shown here to also occur in Hawaii and Tenerife (Canary Islands). Furthermore, several previous records of N. ribis on Proteaceae were shown to be N. parvum. Saccharata capensis is described as a new species that is morphologically similar to S. proteae. There is no information currently available regarding its potential importance as plant pathogen and pathogenicity tests should be conducted with it in the future. Biodiversity, black fungi, Capnodiales, Chaetothyriales, Dothideomycetes, extremotolerance
    Keywords: Botryosphaeria ; Fusicoccum ; Neofusicoccum ; Saccharata
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 6
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    Niche sharing reflects a poorly understood biodiversity phenomenon (2009)
    In:  Persoonia - Molecular Phylogeny and Evolution of Fungi vol. 22 no. 1, pp. 83-94
    Details
    Publication Date: 2024-01-12
    Description: Eucalyptus spp. are susceptible to a large number of foliar pathogens, some of which can cause serious defoliation and die-back. In this study, a single leaf spot on a Eucalyptus leaf collected in Madagascar revealed an unusual association of microfungi with disease symptoms. Initial observations indicated that the leaf spot was associated with Mycosphaerella marksii, a common pathogen of eucalypts. However, more intensive scrutiny showed the presence of several other microfungi co-occurring in this, and other leaf spots on the leaf. A total of 41 single conidial propagules were subsequently obtained from a single lesion for morphological study and\nDNA\nsequence comparisons. Based on these data, 11 members of the Capnodiales, including one species of Pestalotiopsis (Xylariales), were observed. Of the capnodialean taxa, nine could be cultivated, which revealed one known species, M. marksii, two taxa in the Cladosporium cladosporioides species complex that were not treated here, and six new species, including Passalora intermedia, Pseudocercospora madagascariensis, Teratosphaeria hortaea, Toxicocladosporium chlamydosporum, T. rubrigenum and T. veloxum. Results of this study highlight a remarkable fungal biodiversity that can occur within a very specific niche. Furthermore, the results emphasise the importance of verifying the identity of fungal isolates in culture, as many taxa, especially those of the Capnodiales, frequently co-occur in the same niche, lesion or leaf spot.
    Keywords: Eucalyptus ; ITS ; Mycosphaerella ; systematics ; Teratosphaeria
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 7
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    Novel species of Mycosphaerellaceae and Teratosphaeriaceae (2009)
    In:  Persoonia - Molecular Phylogeny and Evolution of Fungi vol. 23 no. 1, pp. 119-146
    Details
    Publication Date: 2024-01-12
    Description: Recent phylogenetic studies based on multi-gene data have provided compelling evidence that the Mycosphaerellaceae and Teratosphaeriaceae represent numerous genera, many of which can be distinguished based on their anamorph morphology. The present study represents the second contribution in a series describing several novel species in different capnodealean genera defined in a previous study. Novelties on Eucalyptus from Australia include: Penidiella pseudotasmaniensis, P. tenuiramis, Phaeothecoidea intermedia, P. minutispora, Pseudocercospora tereticornis, Readeriella angustia, R. eucalyptigena, R. menaiensis, R. pseudocallista, R. tasmanica, Teratosphaeria alboconidia, T. complicata, T. majorizuluensis, T. miniata, T. profusa, Zasmidium aerohyalinosporum and Z. nabiacense, while Teratosphaeria xenocryptica is described on Eucalyptus from Chile. Novelties on other hosts include Phaeophleospora eugeniicola on Eugenia from Brazil, and Zasmidium nocoxi on twig litter from the USA.
    Keywords: Mycosphaerella ; Penidiella ; Phaeophleospora ; Phaeothecoidea ; Pseudocercospora ; Readeriella ; Teratosphaeria ; Zasmidium
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 8
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    Calonectria (Cylindrocladium) species associated with dying Pinus cuttings (2009)
    In:  Persoonia - Molecular Phylogeny and Evolution of Fungi vol. 23 no. 1, pp. 41-47
    Details
    Publication Date: 2024-01-12
    Description: Calonectria (Ca.) species and their Cylindrocladium (Cy.) anamorphs are well-known pathogens of forest nursery plants in subtropical and tropical areas of the world. An investigation of the mortality of rooted Pinus cuttings in a commercial forest nursery in Colombia led to the isolation of two Cylindrocladium anamorphs of Calonectria species.\nThe aim of this study was to identify these species using DNA sequence data and morphological comparisons.\nTwo species were identified, namely one undescribed species, and Cy. gracile, which is allocated to Calonectria as Ca. brassicae. The new species, Ca. brachiatica, resides in the Ca. brassicae species complex. Pathogenicity tests with Ca. brachiatica and Ca. brassicae showed that both are able to cause disease on Pinus maximinoi and P. tecunumanii. An emended key is provided to distinguish between Calonectria species with clavate vesicles and 1-septate macroconidia.
    Keywords: \xce\xb2-tubulin ; Calonectria ; Cylindrocladium ; histone ; Pinus ; root disease
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 9
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    Leptographium bhutanense sp. nov., associated with the root collar weevil Hylobitelus chenkupdorjii on Pinus wallichiana in Bhutan (2008)
    In:  Persoonia - Molecular Phylogeny and Evolution of Fungi vol. 21 no. 1, pp. 1-8
    Details
    Publication Date: 2024-01-12
    Description: Leptographium spp. are commonly associated with bark beetles and weevils (Coleoptera: Curculionidae), and some are important tree pathogens. In a recent survey of diseases and insect pests of conifer trees in Bhutan, the root collar weevil, Hylobitelus chenkupdorjii was found girdling young Himalayan blue pine (Pinus wallichiana) trees in Central Bhutan. Intensive wood staining and a Leptographium sp. were associated with damage by this insect. The fungus was also isolated from individuals of H. chenkupdorjii. It was tentatively identified based on morphology and then compared with other Leptographium spp. using DNA sequences for three gene regions. Morphological characteristics showed that the Leptographium sp. from H. chenkupdorjii is similar to, but distinct from L. procerum and L. profanum. DNA sequence comparisons revealed that the isolates from Bhutan resided in a distinct well-supported clade and confirmed that they represent an undescribed taxon for which the name Leptographium bhutanense sp. nov. is provided.
    Keywords: Curculionidae ; forest pests ; Hylobitelus ; Leptographium ; ophiostomatoid fungi
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 10
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    Ceratocystis larium sp. nov., a new species from Styrax benzoin wounds associated with incense harvesting in Indonesia (2009)
    In:  Persoonia - Molecular Phylogeny and Evolution of Fungi vol. 22 no. 1, pp. 75-82
    Details
    Publication Date: 2024-01-12
    Description: Styrax benzoin trees, native to the island Sumatra, Indonesia are wounded to produce resin that is collected and burned as incense. These wounds on trees commonly develop into expanding cankers that lead to tree death. The aim of this study was to consider whether Ophiostomatoid fungi, typically associated with wounds on trees might be associated with resin harvesting on S. benzoin. Samples were collected from the edges of artificially induced wounds, and particularly where cankers and staining of the vascular tissue was evident. Tissue samples were incubated in moist chambers and carrot baiting was also used to detect the presence of Ceratocystis spp.\nFruiting structures with morphology typical of species in the C. fimbriata s.l. species complex and species in the anamorph genus Thielaviopsis were found, on both the incubated wood and the carrot baits. DNA sequences were generated for the Internal Transcribed Spacer regions 1 and 2 including the 5.8S rRNA gene, part of the \xce\xb2-tubulin and the Transcription Elongation Factor 1-\xce\xb1 gene regions. These data were compared with those of other species in the C. fimbriata s.l. species complex and Thielaviopsis using phylogenetic analysis. Morphology of the isolates in culture as well as phylogenetic inference showed that the Thielaviopsis sp. present on the wounds was T. basicola.\nThe Ceratocystis sp. from S. benzoin represents a new taxon in the C. fimbriata s.l. complex described here as C. larium sp. nov.
    Keywords: Ophiostomatoid fungi ; phylogenetic inference ; vascular staining
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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