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  • 1
    Electronic Resource
    Electronic Resource
    EXPERT SYSTEMS INTERVIEW: (1986)
    Oxford, UK : Blackwell Publishing Ltd
    Expert systems 3 (1986), S. 0 
    Details
    ISSN: 1468-0394
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Computer Science
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1468-0394.1986.tb00194.x
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  • 2
    Electronic Resource
    Electronic Resource
    DNA-DNA reassociation studies on the genus Pedomicrobium (1981)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 11 (1981), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1981.tb06981.x
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  • 3
    Electronic Resource
    Electronic Resource
    Molecular genetic evidence for early evolutionary origin of budding peptidoglycan-less eubacteria (1984)
    [s.l.] : Nature Publishing Group
    Nature 307 (1984), S. 735-737 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The three strains of budding, non-prosthecate bacteria investigated share the main characteristics of members of the Planctomyces-Blastocaulis group of bacteria6. They were isolated from brackish surface water of the Kiel Fjord, Baltic Sea1. Strain IF AM 1317 (IF AM = Institut fr Allgemeine ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/307735a0
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  • 4
    Electronic Resource
    Electronic Resource
    Methods and sources for the enrichment and isolation of budding, nonprosthecate bacteria from freshwater (1986)
    Springer
    Microbial ecology 12 (1986), S. 331-341 
    Details
    ISSN: 1432-184X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Methods are described for the observation, enrichment and isolation (from various freshwater samples) of bacteria of the generaPlanctomyces andPirella. Because immature buds were easily dislodged by shearing forces, slide culture techniques and direct microscopy of the budding process are recommended. An “auxanographic” technique to detect possible stimulation by soluble substrates was based on the diffusion of these substrates from peripherally placed crystals into the agar of a slide culture. Nearly every water sample investigated contained representatives of the generaPlanctomyces, Pirella, andBlastobacter, as well as budding cocci. Six enrichment techniques were tried; some enrichment experiments lasted several months. Allowing samples without added substrate to stand for a long time or generally employing nutrient-poor media were most successful. The “petri dish method,” taking advantage of attachment of many budding bacteria to glass surfaces, was especially useful for increasing the numbers ofPlanctomyces spp. Pure cultures obtained from freshwater samples were tentatively placed in the generaPlanctomyces, Pirella, andBlastobacter. One strain appeared to represent a new genus of gram-positive, budding, and nonprosthecate bacteria.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02098574
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  • 5
    Electronic Resource
    Electronic Resource
    Wasserstoffaktivierung und Chemoautotrophie bei Actinomyceten (1961)
    Springer
    Archives of microbiology 39 (1961), S. 360-373 
    Details
    ISSN: 1432-072X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary 1. 133 strains of actinomycetes comprising 11 genera were tested for their ability to grow chemolithotrophically; 9 strains were stimulated by hydrogen on an organic medium under reduced partial pressure of O2 (8%). 2. Even after repeated subculturing, a number of strains grew well on mineral medium with H2 as the sole energy source and CO2 as the only carbon source: Mycobact. phlei (1 strain), Noc. saturnea (2 strains), Noc. petroleophila (2 strains), Noc. [Strept.] autotrophica (1 strain), Streptomyces spec. (1 strain) and Streptosporangium spec. (1 strain). 3. Three strains more intensively investigated (Nocardia 99, 102 and 394) should be regarded as facultative chemoautotrophs in view of their (1) ability to activate molecular hydrogen (methylene blue [“MBL”] reduction), (2) catalyzing a Knallgas-reaction (oxyhydrogen reaction), (3) utilization of the energy gained from the Knallgas reaction to incorporate CO2 in a highly reduced state (Knallgas reaction linked to CO2 fixation), and (4) ability to grow on mineral medium with H2−O2−CO2 as the sole source of carbon and energy. 4. The hydrogenase activity of the three strains was approximately equal; the Knallgas reaction took place only in living cells. 5. Although the velocity of gas uptake was greater with MBL than with O2 (−CO2!), in the presence of O2 MBL retarded the gas uptake and inhibited CO2 fixation. Resting cells in the presence of CO2 showed increased velocity of Knallgas uptake, as compared with cells kept without CO2. In these experiments the average economical coefficient (μM H2 oxidized/μM CO2 fixed) was about 13. 6. Cells grown heterotrophically exhibited only a low hydrogenase activity; induced formation of hydrogenase was slow. Cells grown chemolithotrophically could be harvested after 18 days to give a yield of 750 mgs (cell dry weight) per 3 liter mineral medium with one of the culture methods described.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00411775
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  • 6
    Electronic Resource
    Electronic Resource
    Stoffwechselphysiologische Untersuchungen an Nocardia petroleophila n. sp. (1958)
    Springer
    Archives of microbiology 29 (1958), S. 368-393 
    Details
    ISSN: 1432-072X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00571596
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  • 7
    Electronic Resource
    Electronic Resource
    Photosynthetic Bacterium growing under Carbon Monoxide (1968)
    [s.l.] : Nature Publishing Group
    Nature 217 (1968), S. 555-556 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The enrichment and growth of carbon monoxide oxidizing bacteria were enhanced if the culture was kept under continuous illumination, an effect which might be a result of photoreversal of the binding of carbon monoxide to a cytochrome c oxidase (my unpublished results). Photosynthetic bacteria ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/217555a0
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  • 8
    Electronic Resource
    Electronic Resource
    Nocardia hydrocarbonoxydans n. spec., ein oligocarbophiler Actinomycet (1962)
    Springer
    Archives of microbiology 44 (1962), S. 266-277 
    Details
    ISSN: 1432-072X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Summary A new actinomycete species, and aerial contamination on a silica gel plate, is described. Because of its ability to utilize gaseous aliphatic hydrocarbons (C6−C14) for growth, Nocardia hydrocarbonoxydans is proposed as the name of the new species. It differs from other oligocarbophilic actinomycetes in its colony form, its ability to oxidize hexane, heptane and octane, and its inability of growing on glycerol potatoe slants, potatoe slants or blood agar. Taxonomical relationships to species of the genus Nocardia are discussed.
    Notes: Zusammenfassung Eine neue Actinomycetenart (Stamm 70), aufgetreten als Luftverunreinigung einer Kieselgelplatte, wird beschrieben. Auf Grund der Fähigkeit, mit aliphatischen Kohlenwasserstoffen aus der Gasphase zu leben, soll die neue Art Nocardia hydrocarbonoxydans genannt werden. Sie ist von anderen, bereits bekannten oligocarbophilen Actinomycetenarten durch ihre Kolonieform, durch die Fähigkeit Hexan, Heptan und Octan zu oxydieren, und durch ihr Unvermögen, auf Glycerin-Kartoffelkeilen, Kartoffelkeilen oder Blut-Agar zu wachsen, wohl unterschieden. Ihre Stellung im System und die Verwandtschaft mit anderen Arten der Gattung Nocardia wird diskutiert.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00510948
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  • 9
    Electronic Resource
    Electronic Resource
    Biology of budding bacteria (1964)
    Springer
    Archives of microbiology 48 (1964), S. 339-357 
    Details
    ISSN: 1432-072X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00405978
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  • 10
    Electronic Resource
    Electronic Resource
    Biology of budding bacteria (1964)
    Springer
    Archives of microbiology 48 (1964), S. 358-367 
    Details
    ISSN: 1432-072X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Zusammenfassung Bei Hyphomicrobium vulgare NQ und MEV sowie bei acht Neuisolierungen von Hyphomikrobien wurden die Wachstumsbedürfnisse untersucht. Die Wachstumsgeschwindigkeit und auch die gebildete Gesamt-Zellmasse wurden durch mehrere Faktoren beträchtlich beeinflußt. Für das Wachstum waren optimal: 1. eine Nährlösung, die Phosphatpuffer, Mangan, Molybdän, Calcium, Magnesium und Eisen enthielt, 2. Methanol, Harnstoff, Methylamin oder Formamid als C-Quelle, 3. Nitrat (für H. vulgare NQ und MEV), NH4 + (für die Neuisolierungen), oder Harnstoff als Stickstofquelle, 4. Rühren der Kultur, sowie starke Belüftung und 5. Dunkelheit (Licht hatte sich als hemmend erwiesen). Sowohl das oligocarbophile Wachstum, als auch die Bildung von Poly-β-hydroxybutyrat als Speicherprodukt wurden bei den Wachstumsbestimmungen berücksichtigt.
    Notes: Summary The growth requirements of Hyphomicrobium vulgare NQ and MEV, as well as of 8 other isolates of hyphomicrobia were studied. A variety of factors was found to significantly influence both rate of growth and final yield of cells. Optimal for growth were: 1. a medium containing manganese, molybdenum, calcium, iron, magnesium and phosphate buffer, 2. methanol, urea, methylamine or formamide as a carbon source, 3. nitrate (for H. vulgare NQ and MEV), ammonia (for the new isolates), or urea as a nitrogen source, 4. agitation by stirring, vigorous aeration, and 5. darkness (light was found to be inhibitory). Both, oligocarbophilic growth and the formation of poly-β-hydroxybutyrate as a storage product, were taken into account in determinations of growth.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00405979
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