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Ordenar por: RelevânciaAutorTítuloAnoImprime registros no formato resumido
Registros recuperados: 4
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Redefining Microascus, Scopulariopsis and allied genera Naturalis
Sandoval-Denis, M.; Gené, J.; Sutton, D.A.; Cano-Lira , J.F.; Hoog, G.S. de; Decock, C.A.; Wiederhold, N.P.; Guarro, J..
The genera Microascus and Scopulariopsis comprise species commonly isolated from soil, decaying plant material and indoor environments. A few species are also recognised as opportunistic pathogens of insects and animals, including humans. In the past, the taxonomy of these fungi has been based on morphology only. With the aim to clarify the taxonomy and phylogeny of these fungi, we studied a large set of clinical and environmental isolates, including the available ex-type strains of numerous species, by means of morphological, physiological and molecular analyses. Species delineation was assessed under the Genealogical Phylogenetic Species Recognition (GCPSR) criterion using DNA sequence data of four loci (ITS region, and fragments of rDNA LSU, translation...
Tipo: Article / Letter to the editor Palavras-chave: Ascomycota; Microascaceae; Microascales; Multigene phylogeny; Taxonomy.
Ano: 2016 URL: http://www.repository.naturalis.nl/record/607371
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Symptomatic Citrus trees reveal a new pathogenic lineage in Fusarium and two new Neocosmospora species Naturalis
Sandoval-Denis, M.; Guarnaccia, V.; Polizzi, G.; Crous, P.W..
The diversity of fusaria in symptomatic Citrus trees in Greece, Italy and Spain was evaluated using morphological and molecular multi-locus analyses based on fragments of the calmodulin (CAM), intergenic spacer region of the rDNA (IGS), internal transcribed spacer region of the rDNA (ITS), large subunit of the rDNA (LSU), RNA polymerase largest subunit (RPB1), RNA polymerase second largest subunit (RPB2), translation elongation factor 1-alpha (EF-1α) and beta-tubulin (TUB) genes. A total of 11 species (six Fusarium spp., and five Neocosmospora spp.) were isolated from dry root rot, crown, trunk or twig canker or twig dieback of citrus trees. The most commonly isolated species were Fusarium sarcochroum, F. oxysporum and Neocosmospora solani. Three new...
Tipo: Article / Letter to the editor Palavras-chave: Citrus canker; Citrus dieback; Morphology; Multigene phylogeny; Systematics.
Ano: 2018 URL: http://www.repository.naturalis.nl/record/630171
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Exploring fungal mega-diversity: Pseudocercospora from Brazil Naturalis
Silva, M.; Barreto, R.W.; Pereira, O.L.; Freitas, N.M.; Groenewald, J.Z.; Crous, P.W..
Although the genus Pseudocercospora has a worldwide distribution, it is especially diverse in tropical and subtropical countries. Species of this genus are associated with a wide range of plant species, including several economically relevant hosts. Preliminary studies of cercosporoid fungi from Brazil allocated most taxa to Cercospora, but with the progressive refinement of the taxonomy of cercosporoid fungi, many species were relocated to or described in Pseudocercospora. Initially, species identification relied mostly on morphological features, and thus no cultures were preserved for later phylogenetic comparisons. In this study, a total of 27 Pseudocercospora spp. were collected, cultured, and subjected to a multigene analysis. Four genomic regions...
Tipo: Article / Letter to the editor Palavras-chave: Biodiversity; Capnodiales; Cercosporoid; Dothideomycetes; Multigene phylogeny; Mycosphaerellaceae; Plant pathogen; Systematics.
Ano: 2016 URL: http://www.repository.naturalis.nl/record/611856
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Caulicolous Botryosphaeriales from Thailand Naturalis
Trakunyingcharoen, T.; Lombard, L.; Groenewald, J.Z.; Cheewangkoon, R.; To-anun, C.; Crous, P.W..
Members of Botryosphaeriales are commonly encountered as endophytes or pathogens of various plant hosts. The Botryosphaeriaceae represents the predominant family within this order, containing numerous species associated with canker and dieback disease on a wide range of woody hosts. During the course of routine surveys from various plant hosts in Thailand, numerous isolates of Botryosphaeriaceae, including Aplosporellaceae were collected. Isolates were subsequently identified based on a combination of morphological characteristics and phylogenetic analysis of a combined dataset of the ITS and EF1-α gene regions. The resulting phylogenetic tree revealed 11 well-supported clades, correlating with different members of Botryosphaeriales. Other than confirming...
Tipo: Article / Letter to the editor Palavras-chave: Aplosporella; Botryosphaeriaceae; Diplodia; Lasiodiplodia; Multigene phylogeny; Pseudofusicoccum; Sexual morph; Systematics.
Ano: 2015 URL: http://www.repository.naturalis.nl/record/560051
Registros recuperados: 4
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