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  • 1
    Electronic Resource
    Electronic Resource
    Radiation-reduced hybrids for the myotonic dystrophy locus
    Amsterdam : Elsevier
    Genomics 13 (1992), S. 243-250 
    Details
    ISSN: 0888-7543
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0888-7543(92)90238-N
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    TUMOR VACCINES FOR IMMUNOTHERAPY OF CANINE LYMPHOSARCOMA (1976)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 277 (1976), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1976.tb41709.x
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  • 3
    Electronic Resource
    Electronic Resource
    Yeast population increases during degradation of Desmarestia viridis (Phaeophyceae) in seawater model microecosystems (1983)
    Springer
    Marine biology 75 (1983), S. 327-332 
    Details
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Desmarestia viridis,known to have an extremely low pH cell sap, supported rapidly increasing yeast populations in aquatic model systems. Population levels reached 108 yeasts ml-1 with an approximate doubling time of 1d. During incubation,pH declined in all systems except those receiving added carbon sources. Maximum yeast populations were not influenced by the initial experimental acidification of the medium or the presence of antibiotics added to suppress the growth of bacteria. In an unsupplemented system, Rhodotorula rubra and R. glutinis were the dominant yeasts. Systems with added organic material were dominated by a non-pigmented yeast. Examination of the algal filaments after 11 wk demonstrated little difference between experimental treatments, and that the filaments retained their original shape. Measurement of organic content in aquatic systems indicated little remaining soluble material. Similar population trends (i.e. yeast dominance and reduced bacterial populations) were observed in sand microcosms. Under these conditions, the algal filaments lost their original shape and were converted to a detritus-like substance.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00406019
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  • 4
    Electronic Resource
    Electronic Resource
    Colonization of fiberglass insulation used in heating, ventilation and air conditioning systems (1994)
    Springer
    Journal of industrial microbiology and biotechnology 13 (1994), S. 154-158 
    Details
    ISSN: 1476-5535
    Keywords: HVAC systems ; Fungal colonization ; Fungi on fiberglass
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Summary The number of fungal species colonizing thermal and acoustic fiberglass insulations used in heating, ventilation, and air conditioning (HVAC) systems was fewer than that obtained from initial direct culture of these insulations. The colonization, determined by the microscopic observation of conidiophores with conidia, was primarily of acrylic-latex-facing material, but eventually the fungi permeated the fiberglass matrix. Isolates ofAspergillus versicolor were most often obtained from non-challenged insulation, whereasAcremonium obclavatum appeared to be the primary colonizing fungus in high-humidity (〉90%) challenge chambers. At a lower humidity (about 70%)Aspergillus flavus was one of the more prominent fungi. Not all duct liner samples were equally susceptible to colonization and duct board appeared relatively resistant to colonization.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01584000
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  • 5
    Electronic Resource
    Electronic Resource
    Fungal colonization of fiberglass insulation in the air distribution system of a multi-story office building: VOC production and possible relationship to a sick building syndrome (1996)
    Springer
    Journal of industrial microbiology and biotechnology 16 (1996), S. 280-285 
    Details
    ISSN: 1476-5535
    Keywords: fungal colonization ; fiberglass insulation ; Penicillium spp ; Cladosporium spp
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract Complaints characteristic of those for sick building syndrome prompted mycological investigations of a modern multi-story office building on the Gulf coast in the Southeastern United States (Houston-Galveston area). The air handling units and fiberglass duct liner of the heating, ventilating and air conditioning system of the building, without a history of catastrophic or chronic water damage, demonstrated extensive colonization withPenicillium spp andCladosporium herbarum. Although dense fungal growth was observed on surfaces within the heating-cooling system, most air samples yielded fewer than 200 CFU m−3. Several volatile compounds found in the building air were released also from colonized fiberglass. Removal of colonized insulation from the floor receiving the majority of complaints of mouldy air and continuous operation of the units supplying this floor resulted in a reduction in the number of complaints.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01570035
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  • 6
    Electronic Resource
    Electronic Resource
    Fungal colonization of air filters for use in heating, ventilating, and air conditioning (HVAC) systems (1995)
    Springer
    Journal of industrial microbiology and biotechnology 14 (1995), S. 41-45 
    Details
    ISSN: 1476-5535
    Keywords: Fungal colonization ; Air filters ; HVAC
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Summary New and used cellulosic air filters for HVAC systems including those treated with antimicrobials were suspended in vessels with a range of relative humidities (55–99%) and containing non-sterile potting soil which stimulates fungal growth. Most filters yielded fungi prior to suspension in the chambers but only two of 14 nontreated filters demonstrated fungal colonization following use in HVAC systems. Filters treated with antimicrobials, particularly a phosphated amine complex, demonstrated markedly less fungal colonization than nontreated filters. In comparison with nontreated cellulosic filters, fungal colonization of antimicrobial-treated cellulosic filters was selective and delayed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01570065
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  • 7
    Electronic Resource
    Electronic Resource
    Fungal colonization of synthetic substrates for use in space craft (1995)
    Springer
    Journal of industrial microbiology and biotechnology 14 (1995), S. 26-30 
    Details
    ISSN: 1476-5535
    Keywords: Fungal colonization ; Space craft materials ; Acremonium obclavatum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Summary Materials being used or considered for use in space flight were examined for their susceptibility to fungal colonization. The materials included soft goods (clothing) and insulation and fabrication products such as Velcro® attachments and elastic cord binders. Materials were exposed for at least 28 days in a highhumidity chamber colonized with over 50 species of fungi, including those species recommended for determining recalcitrance of materials to fungal biodegradation. At least nine of 25 products demonstrated extensive microscopic colonization by fungi, mostly byAcremonium obclavatum. Challenge procedures that rely on observations with the unaided eye, or 40×magnification of growth by a restricted number of fungal species with a cellulosic substrate as a positive control, are insufficient for determining the resistance of synthetic substrates to fungal colonization.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01570062
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  • 8
    Electronic Resource
    Electronic Resource
    Initial oxidative and subsequent conjugative metabolites produced during the metabolism of phenanthrene by fungi (1996)
    Springer
    Journal of industrial microbiology and biotechnology 16 (1996), S. 205-215 
    Details
    ISSN: 1476-5535
    Keywords: phenanthrene ; fungi ; degradation ; conjugates ; metabolism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract Three filamentous fungi were examined for the ability to biotransform phenanthrene to oxidative (phase I) and conjugative (phase II) metabolites. Phenanthrene metabolites were purified by high-performance liquid chromatography (HPLC) and identified by UV/visible absorption, mass, and1H NMR spectra.Aspergillus niger ATCC 6275,Syncephalastrum racemosum UT-70, andCunninghamella elegans ATCC 9245 initially transformed [9-14C]phenanthrene to produce metabolites at the 9,10-, 1,2-, and 3,4- positions. Subsequently, sulfate conjugates of phase I metabolites were formed byA. niger, S. racemosum, andC. elegans. Minor glucuronide conjugates of 9-phenanthrol and phenanthrenetrans-9,10-dihydrodiol were formed byS. racemosum andA. niger, respectively. In addition,C. elegans produced the glucose conjugates 1-phenanthryl β-d-glucopyranoside and 2-hydroxy-1-phenanthryl β-d-glucopyranoside, a novel metabolite. [9-14C]Phenanthrene metabolites were not detected in organic extracts from biotransformation experiments with the yeasts,Candida lipolytica 37-1,Candida tropicalis ATCC 32113, andCandida maltosa R-42.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01570023
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  • 9
    Electronic Resource
    Electronic Resource
    Fungal colonization of automobile air conditioning systems (1997)
    Springer
    Journal of industrial microbiology and biotechnology 19 (1997), S. 150-153 
    Details
    ISSN: 1476-5535
    Keywords: Keywords: automobiles; air conditioners, fungi; fungal colonization
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Air samples and swab samples of the air conditioning vents were collected from 29 automobiles in the metropolitan region of Atlanta, GA, and cultured for fungi. Among the fungi observed, species of Acremonium, Aspergillus, Alternaria, Aureobasidium, Cladosporium, and Penicillium were in the highest densities. Transparent adhesive tape imprints, SEM observations, and enrichment culture of components of five systems demonstrated fungal hyphae on the metal surfaces and within the matrix of various insulation materials. The evaporator removed from one automobile because of a series of complaints of noxious odors was densely colonized by Penicillium viridicatum. The amplification of known allergenic and odor-producing fungi occurred within the automobile air conditioning systems.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/sj.jim.2900451
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  • 10
    Electronic Resource
    Electronic Resource
    Volatile Organic Compounds Associated with Microbial Growth in Automobile Air Conditioning Systems (2000)
    Springer
    Current microbiology 41 (2000), S. 206-209 
    Details
    ISSN: 1432-0991
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Volatile organic compounds from Penicillium viridicatum and Methylobacterium mesophilicum growing on laboratory media and on component materials of automobile air conditioners were analyzed with gas chromatography and mass spectrometry. P. viridicatum produced compounds such as 4-methyl thiazole, terpenes and alcohols, whereas M. mesophilicum produced dimethyl disulfide, dimethyl trisulfide, and chlorophenol with growth on laboratory media. In comparison with laboratory media, fewer volatiles were detected from colonized foam insulation materials. Biofilms of M. mesophilicum on aluminum evaporator components produced mainly dimethyl disulfide. These biofilms, after inoculation with P. viridicatum, produced offensive smelling alcohols and esters such as 2-methyl propanol, 3-penten-2-ol, and the ethyl ester of butanoic acid. The moisture and substrates innate to the automobile air conditioning systems provided an environment suitable for microbial biofilm development and odor production. Reduction of retained moisture in the air conditioning system coupled with use of less susceptible or antimicrobial substrates are advised for remediation of the noxious odors.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002840010120
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