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  • 1
    ISSN: 1573-0832
    Keywords: Cultural characteristics ; Fungi imperfecti ; Fusarium sambucinum ; Fusarium torulosum ; Fusarium venenatum ; Morphology ; Taxonomy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract WithinFusarium sambucinum Fuckel sensu lato three species were differentiated:F. sambucinum Fuckel s. str.,F. torulosum (Berk. et Curt.) Nirenberg comb. nov. andF. venenatum Nirenberg sp. nov. They are described and illustrated in detail.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Mycopathologia 129 (1995), S. 159-164 
    ISSN: 1573-0832
    Keywords: DNA extraction ; Fungi imperfecti ; Fusarium sambucinum ; Fusarium torulosum ; Fusarium venenatum ; RAPD PCR ; Species differentiation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract DNA polymorphisms generated by the random amplified polymorphic DNA polymerase chain reaction (RAPD PCR) were used to analyse 41 isolates investigated in the EuropeanFusarium sambucinum Project (EFSP). Employing ten arbitrary (10-mer) oligonucleotides and simple repeat sequences (M13, (GACA)4) as single primers, informative banding patterns typical for identifying European populations ofFusarium sambucinum Fuckel s. str.,F. torulosum (Berk. & Curt.) Nirenberg andF. venenatum Nirenberg were obtained.
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  • 3
    ISSN: 1618-2545
    Keywords: biogeography ; calmodulin ; DNA sequence ; elongation factor EF-1α ; evolution
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Phylogenetic relationships within theGibberella fujikuroi species complex were extended to newly discovered strains using nucleotide characters obtained by sequencing polymerase chain reaction (PCR) amplified DNA from 4 loci used in a previous study [nuclear large subunit 28S rDNA, nuclear ribosomal internal transcribed spacer (ITS) region, mitochondriaal small subunit (mtSSU) ribosomal DNA, and β-tubulin] together with two newly sampled protein-encoding nuclear genes, translation elongation factor EF-1α and calmodulin. Sequences from the ribosomal ITS region were analyzed separately and found to contain of two highly divergent, nonorthologous ITS2 types. Phylogenetic analysis of the individual and combined datasets identified 10 new phylogenetically distinct species distributed among the following three areas: 2 within Asia and 4 within both Africa and South America. Hypotheses of the monophyly ofFusarium subglutinans and its two formae speciales, f. sp.pini and f. sp.ananas, were strongly rejected by a likelihood analysis. Maximum parsimony results further indicate that the protein-encoding nuclear genes provide considerably more phylogenetic signal that the ribosomal genes sequenced. Relative apparent synapomorphy analysis was used to detect long-branch attraction taxa and to obtain a statistical measure of phylogenetic signal in the individual and combined datasets.
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Mycoscience 38 (1997), S. 329-333 
    ISSN: 1618-2545
    Keywords: conidial morphology ; form-sectionLiseola ; Fusarium nisikadoi ; Phyllostachys nigra var.henonis ; Triticum aestivum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A new species ofFusarium, F. nisikadoi, isolated fromPhyllostachys nigra var.henonis (bamboo) andTriticum aestivum (wheat) in Japan, is described, illustrated and discussed. This species is differentiated from other known species of the genus by the following characteristics: whitish colony color, long zigzag-like chains of 0–3(-5)-septate clavate conidia, intermixed with pyriform conidia, produced mostly from monophialides and rarely from polyphialides in the aerial mycelium, very long and slender sporodochial conidia, and no chlamydospores. The long chains of septate conidia are known only in this species of the genusFusarium. The conidiophores on the aerial mycelium sometimes proliferate sympodially. The species is tentatively placed in the form-sectionLiseola.
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  • 5
    ISSN: 1618-2545
    Keywords: BLB light ; conidiogenesis ; Fusarium globosum ; subtropical Japan ; Triticum aestivum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The second report ofFusarium globosum is based on strains isolated from wheat in Ishigaki Island, Okinawa, in subtropical Japan. Morphological features of the Japanese isolates are described. These strains show different reactions in conidiogenesis to light conditions. Under continuous BLB light, falcate sporodochial conidia are typically induced, but production of aerial globose conidia is suppressed. In two of the strains, clavate conidia became longer under BLB light. Application of both, complete darkness and continuous BLB light, is recommended as standard light conditions to cultureFusarium isolates.
    Type of Medium: Electronic Resource
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