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  • 1
    Electronic Resource
    Electronic Resource
    Hybridization of Homothallic Yeasts by Chen's Technique (1962)
    [s.l.] : Nature Publishing Group
    Nature 195 (1962), S. 1021-1022 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The yeast strain used was isolated from fermenting grape juice and classified as Saccharomyces cerevisiae var. ellipsoideus (strain 20 SJ). It is typically homothallic, and diploidization occurs very early in the life of the monosporic cultures. The morphological events taking place during ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1951021a0
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  • 2
    Electronic Resource
    Electronic Resource
    Influence of Sorbic Acid on Acetate Oxidation by Saccharomyces cerevisiae var. ellipsoideus (1960)
    [s.l.] : Nature Publishing Group
    Nature 185 (1960), S. 688-689 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Sorbic acid has a selective action against catalase-positive organisms10, and its use as a component of enrichment media for species of Clostridium has been proposed11. Although the mechanism of its inhibitory action is not well understood, it has been suggested that it probably interferes with the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/185688a0
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  • 3
    Electronic Resource
    Electronic Resource
    Quantification of denitrification by strain T1 during anaerobic degradation of toluene (1992)
    Springer
    Applied microbiology and biotechnology 37 (1992), S. 136-140 
    Details
    ISSN: 1432-0614
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Summary Strain T1 is a denitrifying bacterium that is capable of toluene degradation under anaerobic conditions. During anaerobic growth on toluene, the specific growth rate of strain T1 was 0.14 h−1. Nitrite accumulated in the medium stoichiometrically with the depletion of nitrate. When nitrate was nearly depleted from the medium nitrite reduction and dinitrogen formation began. A non-kinetic model was formulated that was based on a hypothesis of non-simultaneous nitrate and nitrite reduction, independent of the concentrations of nitrate and nitrite. The model was verified experimentally over a wide range of conditions that included nitrate and nitrite limitation, toluene limitation, and various ratios of nitrate to nitrite. The model and its experimental verification demonstrated that strain T1 reduces nitrate and nitrite non-simultaneously, even if nitrite is initially present in the medium in addition to nitrate.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00174218
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  • 4
    Electronic Resource
    Electronic Resource
    Absence of the Pre-adaptive Utilization of Galactose by Yeasts (1952)
    [s.l.] : Nature Publishing Group
    Nature 169 (1952), S. 879-880 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] That standard reagent galactose contains both glucose and alcohol is further suggested by the following experiment. A solution of reagent galactose was put in a Warburg vessel containing unadapted yeast in an atmosphere of nitrogen where adaptation to galactose utilization as well as oxidation ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/169879a0
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  • 5
    Electronic Resource
    Electronic Resource
    Acetobacter bacteriophage A-1 (1979)
    Springer
    Archives of microbiology 121 (1979), S. 193-197 
    Details
    ISSN: 1432-072X
    Keywords: Acetobacter suboxydans ; Bacteriophage A-1 ; Restriction ; Modification ; Electron microscopy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A bacteriophage ofAcetobacter suboxydans was isolated and found to correspond to type A phage according to Bradley's classification. The phage contains double stranded DNA. The length of the latency period and burst size could not be precisely determined because of apparent non-synchronous release of phage from single infective cycles. The host range was determined using 24 strains ofAcetobacter andGluconobacter species. Evidence for a probable occurence of host determined restriction and modification was obtained withAcetobacter suboxydans strain ATCC 621. The phage is designated A-1 and it is the first one to be reported forAcetobacter.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00689986
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  • 6
    Electronic Resource
    Electronic Resource
    A chemotactic method for the isolation of Actinoplanaceae (1980)
    Springer
    Archives of microbiology 128 (1980), S. 53-55 
    Details
    ISSN: 1432-072X
    Keywords: Chemotaxis ; Aerotaxis ; Actinoplanetes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A simple chemotactic method for the isolation of Actinoplanaceae from soil is described. The method is based on a combination of the aerotactic behavior of the spores and the attraction to chloride ions. A simple isolation chamber is described. The method is simpler and less time-consuming than the current baiting techniques.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00422305
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  • 7
    Electronic Resource
    Electronic Resource
    Chemotaxis in Actinoplanes (1976)
    Springer
    Archives of microbiology 110 (1976), S. 13-18 
    Details
    ISSN: 1432-072X
    Keywords: Actinoplanes brasiliensis ; Chemotaxis ; Chloride ; Bromide ; Aerotaxis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The chemotactic properties of spores of Actinoplanes brasiliensis were examined. The spores are attracted to chloride and bromide solutions but not to a number of organic compounds that are capable of supporting growth in chemically defined media. Chloride attraction has been tested in several other species of the genus and in a number of Actinoplanes strains isolated from soils. Some are attracted to chloride, but most strains are indifferent to the halide. In dense suspensions, the spores of A. brasiliensis show an apparent microaerophilic behavior. The ecological implications of the chemotactic properties of the A. brasiliensis spores are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00416963
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  • 8
    Electronic Resource
    Electronic Resource
    Pseudomonas classification (1993)
    Springer
    Antonie van Leeuwenhoek 64 (1993), S. 231-251 
    Details
    ISSN: 1572-9699
    Keywords: Pseudomonas ; classification ; genotypic and phenotypic characterisation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Various criteria that have been used in the development of a system of classification ofPseudomonas species, as well as in the precise circumscription of the genus on phenotypic and molecular bases, are discussed.Pseudomonas taxonomy has transcended its own limits by suggesting a general strategy for the definition of taxonomic hierarchies at and above the genus level. A selection of studies on the biochemical and physiological properties of members of the genus is critically examined in relation to the current taxonomic scheme as a frame of reference.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00873084
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  • 9
    Electronic Resource
    Electronic Resource
    Prokaryotic diversity and the importance of culturing (1997)
    Springer
    Antonie van Leeuwenhoek 72 (1997), S. 3-19 
    Details
    ISSN: 1572-9699
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Modern approaches based on the use of molecular techniques presumed to circumvent the need for culturing prokaryotes, fail to provide sufficient and reliable information for estimation of prokaryote diversity. Many properties that make these organisms important members of the living world are amenable to observation only through the study of living cultures. Since current culture techniques do not always satisfy the need of providing a balanced picture of the microflora composition, future developments in the study of bacterial diversity should include improvements in the culture methods to approach as closely as possible the conditions of natural habitats. Molecular methods of microflora analysis have an important role as guides for the isolation and characterization of new prokaryotic taxa. Although the species concept is central to biodiversity studies, it is is extremely difficult to propose a definition applicable without constraints to all groups of living organisms. However, in prokaryote systematics much improvement has been achieved by comprehensive descriptions that include not only molecular data, but also the relevant aspects of the biology of the organisms under study (polyphasic approach).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1000394109961
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