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  • taxonomy  (113)
  • Springer  (113)
  • American Meteorological Society
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  • Springer  (113)
  • American Meteorological Society
  • American Physical Society (APS)
  • Blackwell Publishing Ltd
  • Cambridge University Press
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  • 2000-2004
  • 1995-1999  (85)
  • 1980-1984  (28)
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  • 1
    Electronic Resource
    Electronic Resource
    Identity of Fusarium nygamai isolates with long and short microconidial chains from millet, sorghum and soil in Africa (1997)
    Springer
    Mycopathologia 140 (1997), S. 171-176 
    Details
    ISSN: 1573-0832
    Keywords: Africa ; Fusarium ; F. moniliforme ; grain ; Lesotho ; mating population ; Nigeria ; taxonomy ; Zimbabwe
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Several Fusarium species have been found associated with millet and sorghum in Nigeria, Lesotho and Zimbabwe. Amongst these, some isolates were originally identified as short- and long-chained types of F. nygamai. However, there was some question as to the correct identification of the long chained types. This study reclassified some of the isolates with long microconidial chains as F. moniliforme. Morphologically, these strains do not produce chlamydospores like F. nygamai, but produce swollen hyphal cells or resistant hyphae. The isolates in this study were crossed with the mating-type tester strains of Gibberella fujikuroi (F. moniliforme and G. nygamai (F. nygamai). Of the isolates with long chains of microconidia and other characteristics of F. moniliforme, 36% crossed with mating population ''A'' of G. fujikuroi. Of the isolates with characteristics of F. nygamai, 65% crossed with the testers used to produce the teleomorph of F. nygamai. Mating tests support the separation of the sample population into F. moniliforme and F. nygamai. The results of this study show that genetics can be an aid in resolving some problems in fungal taxonomy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1006863825469
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  • 2
    Electronic Resource
    Electronic Resource
    Candida novakii, sp. nov. a new anamorphic yeast species of ascomycetous affinity (1997)
    Springer
    Antonie van Leeuwenhoek 71 (1997), S. 375-378 
    Details
    ISSN: 1572-9699
    Keywords: Candida novakii ; taxonomy ; yeasts
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Two strains of an undescribed species of the genus Candida were isolated from decaying wood of Quercus sp. A description of the new species Candida novakii is given.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1000238205640
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  • 3
    Electronic Resource
    Electronic Resource
    Verrucomicrobia div. nov., a new division of the Bacteria containing three new species of Prosthecobacter (1997)
    Springer
    Antonie van Leeuwenhoek 72 (1997), S. 29-38 
    Details
    ISSN: 1572-9699
    Keywords: phylogeny ; prosthecobacter ; taxonomy ; Verrucomicrobia ; Verrucomicrobiae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Four strains of nonmotile, prosthecate bacteria were isolated in the 1970s and assigned to the genus Prosthecobacter. These strains were compared genotypically by DNA/DNA reassociation and 16S rDNA based phylogenetic analyses. Genotypic comparisons were complemented with phenotypic characterizations. Together, these studies clearly indicate each Prosthecobacter strain represents a novel species of bacteria. We propose three new species of Prosthecobacter, P. dejongeii strain FC1, P. vanneervenii strain FC2, and P. debontii strain FC3; P. fusiformis is reserved for the type strain of the genus, strain FC4. Additionally, we propose the genera Prosthecobacter and Verrucomicrobium, currently members of the order Verrucomicrobiales, to comprise a novel higher order taxonomic group, the division Verrucomicrobia div. nov. and the class Verrumicrobiae class nov. Many novel members of the Verrucomicrobia, as revealed by molecular ecology studies, await isolation and description.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1000348616863
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  • 4
    Electronic Resource
    Electronic Resource
    Studies on keratinophilic fungi. Ix: Neoarachnotheca gen. nov. and a new species of Nannizziopsis (1997)
    Springer
    Antonie van Leeuwenhoek 72 (1997), S. 149-158 
    Details
    ISSN: 1572-9699
    Keywords: keratinophilic fungi ; Neoarachnotheca ; Neoarachnotheca keratinophila ; Nannizziopsis tropicalis ; Onygenales ; taxonomy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Neoarachnotheca is proposed as a new genus of Onygenales. The outstanding generic characteristics are white, spherical ascomata with a wall formed by a network of hyphae and spherical, subhyaline ascospores with an irregular sheath. Nt. keratinophila, the type species, characterized by wavy peridial hyphae has been isolated from marine and river sediments and Myriodontium keratinophilum is its anamorph. Nannizziopsis tropicalis is proposed as a new species based on a strain isolated from soil in Burundi. RFLPs analysis of ITS and 5.8S rDNA support these proposals. The differences with related genera are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1000394118040
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  • 5
    Electronic Resource
    Electronic Resource
    Biological control of pigweeds (Amaranthus retroflexus, L. A. Powellii, S. Watson and A. bouchonii Thell.) with phytophagous insects, fungal pathogens and crop management (1997)
    Springer
    Integrated pest management reviews 2 (1997), S. 51-59 
    Details
    ISSN: 1572-9745
    Keywords: Biological control ; insects ; pathogens ; germination ; taxonomy ; genetic variability
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Pigweeds (Amaranthus spp.) are of economic importance worldwide. In Europe, Amaranthus retroflexus is one of the ten weed species of greatest economic importance. It is a serious problem weed in several field crops (e.g. maize), as well as in vegetables, orchards and grape vines. It is an annual spreading by seeds which have a long viabilityand are dispersed principally by wind and water, but also by machinery. There is great variability in seed germination which renders control with post-emergence herbicides difficult. In addition, triazine herbicide-resistant populations occur in ten European countries. The aim of this subproject of COST action 816 is to investigate the possibilities of classical and inundative biological control of Amaranthus spp., to characterize potentialbiological control agents and to develop methods for their integration with current phytosanitary measures in the target crops. The project was initiated with an extended literaturesurvey followed by field surveys for insects and pathogens associated with Amaranthus spp. in several European countries. Promising isolates of fungal pathogens have been tested ondetached leaves and whole plants, and initial studies on the application of pathogens causing damping off in seedlings have been made. Further, the variability of different provenances ofAmaranthus spp. in response to fungal attack has been investigated
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1018480429706
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  • 6
    Electronic Resource
    Electronic Resource
    Biodiversity of freshwater fungi (1996)
    Springer
    Journal of industrial microbiology and biotechnology 17 (1996), S. 328-345 
    Details
    ISSN: 1476-5535
    Keywords: hyphomycetes ; ascomycetes ; taxonomy ; ecology ; stream biology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract There are more than 600 species of freshwater fungi with more known from temperate, as compared to tropical regions. These includeca 340 ascomycetes, 300 deuteromycetes, and a number of lower fungi which are not discussed here.Aniptodera, Annulatascus, Massarina, Ophioceras andPseudohalonectria are common freshwater ascomycetes, which appear to be well adapted for this lifestyle either in their ascospore types or their competitive-degradative characters. The most common genera of wood-inhabiting deuteromycetes includeCancellidium, Dactylaria, Dictyosporium andHelicomyces. They are categorized into four groups depending on their form and life style: the ingoldian hyphomycetes; the aero-aquatic hyphomycetes; the terrestrial-aquatic hyphomycetes; and the submerged-aquatic hyphomycetes. The adaptations of aquatic fungi for their dispersal and subsequent attachment to new substrates are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01574764
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  • 7
    Electronic Resource
    Electronic Resource
    Lanceispora amphibia gen. et sp. nov., a new amphisphaeriaceous ascomycete inhabiting senescent and fallen leaves of mangrove (1997)
    Springer
    Mycoscience 38 (1997), S. 207-213 
    Details
    ISSN: 1618-2545
    Keywords: Bruguiera gymnorrhiza ; ecology ; Lanceispora amphibia ; mangrove ; taxonomy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Lanceispora amphibia gen. et sp. nov. in the Amphisphaeriaceae is described from senescent and fallen leaves ofBruguiera gymnorrhiza in mangrove forests in the Southwest Islands, Japan. The fungus produces immersed ascomata in leaf tissue, cylindrical asci with an apical ring staining blue with iodine, and oblanceolate ascospores with a septum above the middle. Studies on the fungal succession on the mangrove leaves revealed thatL. amphibia infects senescent leaves on the tree and inhabits intertidal fallen leaves, showing the highest frequency of occurrence at the late stage of decomposition. In culture the optimal conditions for hyphal growth were 20 ppt salinity and 30°C, and those for sexual reproduction were 10 ppt salinity and 25°C. Growth at 0 ppt (fresh water) was depressed. The fungus has amphibious habits, growing on the tree and in intertidal water; and it is adapted to the high osmotic conditions in leaf tissues of the mangrove tree and to the subtropical, brackish water environment of mangrove forests.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02460855
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  • 8
    Electronic Resource
    Electronic Resource
    Taxonomical studies on ovariicolous ustomycetes on caryophyllaceae I.Ustilago jehudana andUstilago moenchiae-manticae (1997)
    Springer
    Mycoscience 38 (1997), S. 323-328 
    Details
    ISSN: 1618-2545
    Keywords: Bauhinus ; Microbotryum ; taxonomy ; Ustilago ; ustomycetes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A study of the type specimen ofUstilago jehudana resulted in the correction of the diagnosis. The sori are localized in the host gynoecium but not in the anthers. Morphological characters of the sori and ustospores of the later describedU. moenchiae-manticae are identical with these ofU. jehudana. Ustilago moenchiae-manticae is reduced here to a synonym ofU. jehudana. The smut is reported as new to Bulgaria on a new host, viz.,Moenchia erecta. A new combination,Bauhinus jehudanus, is proposed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02464090
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  • 9
    Electronic Resource
    Electronic Resource
    Mycosyrinx and other pair-spored Ustilaginales (1996)
    Springer
    Mycoscience 37 (1996), S. 173-185 
    Details
    ISSN: 1618-2545
    Keywords: Geminago ; Geminago nonveilleri ; Mycosyrinx ; taxonomy ; Ustilaginales
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The revision of the genusMycosyrinx resulted in the recognition of three species, all on Vitaceae:M. cissi (type onCissus sicyoides), M. arabica (type onCissus quadrangularis), andM. microspora (type onCissus afzelii), and in the description of a new genus. After a short historical review, the genusMycosyrinx is characterized and descriptions, synonyms, ilustrations, and a key are given for the three recognizedMycosyrinx species.Mycosyrinx globosa (nomen nudum, onCissus sp.) is considered to be immatureM. microspora. Lectotype is selected forSchizonella colemani (=M. arabica). A short characterization is given for the generaSchizonella andUstacystis and they are compared withMycosyrinx andSchroeteria. ForM. nonveilleri (type onTriplochiton scleroxylon, Sterculiaceae) a new genus,Geminago, is proposed. A key to the pair-spored genera of Ustilaginales is given.Mycosyrinx osmundae (type onOsmunda regalis, Pteridophyta, Osmundaceae) and its var.cinnamomae are excluded fromMycosyrinx.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02461343
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  • 10
    Electronic Resource
    Electronic Resource
    A new species ofLasiobolidium from Californian soil (1996)
    Springer
    Mycoscience 37 (1996), S. 255-259 
    Details
    ISSN: 1618-2545
    Keywords: cleistothecial ascomycete ; Lasiobolidium gracile ; soil fungus ; taxonomy ; USA
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Lasiobolidium gracile isolated from a soil sample collected from California, USA is described as a new species. This species is characterized by yellowish brown to reddish brown, nonostiolate ascomata with numerous, long straight appendages and a translucent peridium, subglobose to broadly clavate asci, hyaline to pale yellowish brown, ellipsoidal ascospores. It differs from the other species ofLasiobolidium in the straight and narrow appendages and the large ascospores. A key is presented separating the seven known species.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02461295
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