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  • Wangiella  (3)
  • basidiomycetous yeasts  (3)
  • Kabatiella  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Contributions to a revision of the genusTrichosporon (1992)
    Springer
    Antonie van Leeuwenhoek 61 (1992), S. 289-316 
    Details
    ISSN: 1572-9699
    Keywords: Trichosporon ; white piedra ; systemic mycosis ; taxonomy ; nDNA ; rRNA ; ubiquinone systems ; basidiomycetous yeasts
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The genusTrichosporon was revised using characters of morphology, ultrastructure, physiology, ubiquinone systems, mol% G+C of DNA, DNA/DNA reassociations and 26S ribosomal RNA partial sequences. A total of 101 strains was used, including all available type and authentic cultures of previously described taxa. Nineteen taxa could be distinguished, 15 of which having Q-9 coenzyme systems and 4 having Q-10. Sixteen previously described names were reduced to synonymy. One new species was described. The genus is characterized by the presence of arthroconidia. Few species possess further diagnostic morphological characters, such as the presence of appressoria, macroconidia or meristematic conidiation. The septa of two species were found to be non-perforate, while those of the remaining species contained dolipores at variable degrees of differentiation, with or without vesicular or tubular parenthesomes. All species were able to assimilate a large number of carbon compounds; visible CO2 production was absent. The genus was found to be fairly homogeneous on the basis of a phylogenetic analysis of partial 26S rRNA sequences, with the exception ofT. pullulans which proved to be unrelated. Most taxa were found to occupy well-defined ecological niches. Within the group of taxa isolated from humans, a distinction found be made between those involved in systemic mycoses and those which mainly caused public or non-public white piedras, respectively. One species was consistently associated with animals, while others came mainly from soil or water. One species was mesophilic and another psychrophilic.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00713938
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  • 2
    Electronic Resource
    Electronic Resource
    Neotypification of the genusTrichosporon (1992)
    Springer
    Antonie van Leeuwenhoek 61 (1992), S. 285-288 
    Details
    ISSN: 1572-9699
    Keywords: Trichosporon ; basidiomycetous yeasts ; nomenclature ; taxonomy ; white piedra ; medical mycology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The currently accepted type species of the genusTrichosporon Behrend isT. beigelii. This species has formerly been regarded as identical toT. cutaneum. However, these fungi are now known to represent separate species with different ecology. The first species described inTrichosporon wasT. ovoides, an agent of human white piedra. A neotype strain is designated for this species, while a lectotype strain is indicated forT. cutaneum. The nameT. beigelii is considered as doubtful and consequently cannot be maintained.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00713937
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  • 3
    Electronic Resource
    Electronic Resource
    Phylogenetic relationships ofCryptococcus neoformans and some related basidiomycetous yeasts determined from partial large subunit rRNA sequences (1993)
    Springer
    Antonie van Leeuwenhoek 63 (1993), S. 175-189 
    Details
    ISSN: 1572-9699
    Keywords: Cryptococcus ; Trichosporon ; rRNA ; phylogeny ; taxonomy ; basidiomycetous yeasts
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The genusCryptococcus was found to be heterogeneous on the basis of partial rRNA sequences. The human-pathogenic speciesC. neoformans, comprising 4 serotypes and havingFilobasidiella neoformans andF. bacillispora as teleomorphs, was found at a relatively large distance fromFilobasidium. Serotypes B and C had identical sequences, while in A and D they were different, with D closer to B and C than to A.Filobasidiella depauperata, which lacks a yeast-like anamorph, clustered withF. neoformans. The genusFilobasidium was clearly separated fromFilobasidiella and clustered withC. albidus, C. kuetzingii, C. gastricus, C. lupi, C. vishniaciae, C. bhutanensis, C. aerius, C. terreus andC. ater. The latter may represent the anamorph ofFilobasidium elegans. The organe to red species ofCryptococcus, as well asC. aquaticus andC. yarrowii, were found completely unrelated with these taxa,C. macerans being affiliated toCystofilobasidium capitatum. The genusTrichosporon was found relatively homogeneous; it includesC. humicola, C. curvatus and the filamentous speciesHyalodendron lignicola. Cryptococcus flavus andC. dimennae probably belong to the Tremellales, though distances between these species are large. The positions ofC. laurentii andC. luteolus remains to be determined.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00872392
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  • 4
    Electronic Resource
    Electronic Resource
    Nutritional physiology and selective isolation ofExophiala dermatitidis (1993)
    Springer
    Antonie van Leeuwenhoek 64 (1993), S. 17-26 
    Details
    ISSN: 1572-9699
    Keywords: Exophiala ; Wangiella ; black yeasts ; taxonomy ; physiology ; chromoblastomycosis ; cystic fibrosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The nutritional physiology of ten strains ofExophiala dermatitidis was investigated. The growth reactions to lactose, citrate, nitrate, nitrite, lysine, creatine and creatinine differ from those found in closely related black yeasts. In addition, it is the onlyExophiala species which is able to grow at 40° C. A selective medium containingmeso-erythritol as sole carbon source was evaluated. This medium is particularly useful for the isolaton of black yeasts from lungs of patients with cystic fibrosis as well as from the environment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00870917
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  • 5
    Electronic Resource
    Electronic Resource
    PCR-ribotyping of type isolates of currently acceptedExophiala andPhaeococcomyces species (1995)
    Springer
    Antonie van Leeuwenhoek 68 (1995), S. 35-42 
    Details
    ISSN: 1572-9699
    Keywords: black yeasts ; Exophiala ; Wangiella ; Phaeococcomyces ; PCR-ribotyping ; RFLP ; PCR ; ribosomal repeat ; taxonomy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Portion of the ribosomal repeat of the type strains of the generaExphiala andPhaeococcomyces were subjected to RFLP analysis. The amplicon length of the small subunit rRNA, the fragment NS1-NS24, was found to vary between 1800 to 3200 nucleotides. In contrast, the length of the fragment ITS1-ITS4 comprising the internal transcribed spacers (ITS1 and ITS2) was found to be constant at 600 nucleotides. Analysis of restriction profiles confirmed the synonymy ofExophiala dermatitidis andMycotorula schawii. Torula bergeri andSporotrichum gougerotii were found to be identical toPhaeoannellomyces elegans, but different from their alleged synomymE. castellanii. A phenogram is presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00873290
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  • 6
    Electronic Resource
    Electronic Resource
    Nutritional physiology of type isolates of currently accepted species ofExophiala andPhaeococcomyces (1995)
    Springer
    Antonie van Leeuwenhoek 68 (1995), S. 43-49 
    Details
    ISSN: 1572-9699
    Keywords: taxonomy ; physiology ; black yeasts ; Herpotrichiellaceae ; Capronia ; Exophiala ; Nadsoniella ; Phaeoannellomyces ; Phaeococcomyces ; Sarcinomyces ; Wangiella
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Nutritional physiological and tolerance tests were performed for all type strains of species currently classified in the black yeast generaExophiala andPhaeococcomyces, including some additional type strains of taxa recently reidentified asExophiala species. Most describedExophiala species can be distinguished by physiological characters.Exophiala jeanselmei with its varieties, andE. castellanii should all be retained as separate taxa. The pairs of strainsMycotorula schawii/Exophiala dermatitidis, Hormodendrum negronii/Exophiala jeanselmei var.lecaniicorni andSporotrichum gougerotii/Torula bergeri were found to be conspecific. Phenetic analyses of physiological data support the identity ofPhaeococcomyces exophialae as a yeast-like synanamorph ofExophiala spinifera. The taxonomic positions of the generaNadsoniella, Phaeoannellomyces andWangiella are discussed. The generaExophiala andPhaeococcomyces are unrelated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00873291
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  • 7
    Electronic Resource
    Electronic Resource
    Distinction of species in Aureobasidium and related genera by PCR-ribotyping (1996)
    Springer
    Antonie van Leeuwenhoek 69 (1996), S. 323-329 
    Details
    ISSN: 1572-9699
    Keywords: black yeasts ; Dothideaceae ; Aureobasidium ; Kabatiella ; Hormonema ; Selenophoma ; dothiora ; Pringsheimia ; taxonomy ; PCR-ribotyping
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Taxonomic markers for differentiation of the anamorph genera Aureobasidium, Hormonema and Kabatiella were developed using PCR-ribotyping with the primers 5.8S-R and LR7 for amplification and the restriction enzymes Alul, DdeI, Hhal, MspI and RsaI for digestion. Aureobasidium and Hormonema are optimally differentiated with MspI; DdeI is particularly useful to distinguish aureobasidium, Kabatiella and Selenophoma. Relationships of the anamorph genera Aureobasidium, Hormoneng and Kabatiella with the teleomorph genera Pringsheimia and Dothiora are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00399621
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  • 8
    Electronic Resource
    Electronic Resource
    Conidiogenesis, nutritional physiology and taxonomy ofAureobasidium andHormonema (1994)
    Springer
    Antonie van Leeuwenhoek 65 (1994), S. 41-54 
    Details
    ISSN: 1572-9699
    Keywords: black yeasts ; Aureobasidium ; Hormonema ; Kabatiella ; Pringsheimia ; Dothiora ; Dothidae ; Dothideaceae ; conidiogenesis ; physiology ; taxonomy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Diagnostic criteria for the distinction of the slightly osmophilic species,Aureobasidium pullulans, and the opportunistic pathogen on conifers,Hormonema dematioides, are provided. Reliable identification requires a combination of characters of conidiogenesis, expansion growth and assimilative abilities. Relationships with species ofKabatiella, and with the teleomorph generaPringsheimia, Dothidea andDothiora, all havingHormonema-like cultural states, are discussed. An identification key is provided.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00878278
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