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  • 1975-1979  (18)
  • 1978  (13)
  • 1975  (5)
  • 1
    Electronic Resource
    Electronic Resource
    Lysogeny in the blue-green algaNostoc muscorum (1978)
    Springer
    Archives of microbiology 117 (1978), S. 265-268 
    Details
    ISSN: 1432-072X
    Keywords: Nostoc muscorum ; Blue-green Algal virus ; N-1 ; Lysogeny ; Induction ; Heat ; Mitomycin C
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Lysogens were isolated after confluent lysis of the blue-green algaNostoc muscorum by N-1 virus and characterised. The spontaneous liberation of active virus particles in lysogens was not lost after treating them with viricidal concentration of EDTA and virus titre obtained in their cultures was 〉5×103 PFU/ml. The virus adsorbed on the lysogens with a slower rate than on parent alga, although it followed the pattern of a first order reaction. The heat treatment (45°C for 14h) of the lysogens failed to induce lysis, whereas mitomycin C (1–2 μg/ml) was effective in inducing lysis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00738545
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Photoreactivation of UV-irradiated blue-green algae and algal virus LPP-1 (1975)
    Springer
    Archives of microbiology 103 (1975), S. 297-302 
    Details
    ISSN: 1432-072X
    Keywords: Photoreactivation ; UV-Irradiation ; Cylindrospermum ; Plectonema boryanum ; Fischerella muscicola ; Cyanophage LPP-1
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Ultraviolet (UV) sensitivity and photoreactivation of blue-green algae Cylindrospermum sp., Plectonema boryanum, spores of Fischerella muscicola and algal virus (cyanophage) LPP-1 were studied. The survival value after UV irradiation of filaments of Cylindrospermum sp. and Virus LPP-1 showed exponential trend and these were comparatively sensitive towards UV than F. muscicola and P. boryanum. Photoreactivation of UV-induced damage occurred in black, blue, green, yellow, red and white light in Cylindrospermum sp., however only black, blue and white light were capable of photorepair of UV-induced damage in P. boryanum, spores of F. muscicola and virus LPP-1 in infected host alga. Pre-exposure to yellow and black light did not show photoprotection. The non-heterocystous and nitrogen fixation-less mutants of Cylindrospermum sp. were not induced by UV and their spontaneous mutation frequency was not affected after photoreactivation. The short trichome mutants of P.boryanum were more resistant towards UV. The occurrence of photoreactivation of UV-induced killing in wide range of light in Cylindrospermum sp. is the first report in organisms.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00436364
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Effects of host aging, ions, and pH on the adsorption of the cyanovirus N-1 to Nostoc muscorum (1978)
    Springer
    Archives of microbiology 116 (1978), S. 289-292 
    Details
    ISSN: 1432-072X
    Keywords: Blue-green algal virus N-1 ; Adsorption ; Host cell aging ; Killed cells ; Saline magnesium chloride solution ; Amino acids ; pH ; Nostoc muscorum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The adsorption rate of the cyanovirus N-1 infecting the nitrogen-fixing blue-green alga Nostoc muscorum decreased with aging of algal cultures and the virus failed to adsorb to the dead host cells. The adsorption rate declined in saline magnesium chloride solution compared to that in algal growth medium. The addition of amino acids like L-tryptophan and L-phenylalanine failed to enhance the adsorption rate of the virus. Optimal pH of adsorption was 7.6 to 8.1.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00417853
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Reaction of cobalt in Ar-SO2 atmospheres at 500–900°C (1978)
    Springer
    Oxidation of metals 12 (1978), S. 23-34 
    Details
    ISSN: 1573-4889
    Keywords: cobalt ; oxidation ; sulfidation ; conjoint attack
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The attack of cobalt by sulfur and oygen simultaneously in Ar-SO2 atmospheres in the temperature range 500–900°C has been found to conform to the pattern established by the attack of other metals under similar conditions. A thermodynamic and kinetic interpretation of the mechanism has been proposed. The results also indicate that during the initial stages sulfur diffuses through the initially formed oxide layer, eventually leading to formation of the commonly observed duplex sulfide and oxide scale.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00609973
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  • 5
    Electronic Resource
    Electronic Resource
    Dibenzo-p-dioxin: a refinement (1978)
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 34 (1978), S. 2956-2957 
    Details
    ISSN: 1600-5740
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0567740878009796
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  • 6
    Electronic Resource
    Electronic Resource
    The crystal structure of 8-aza-2,6-diaminopurine sulfate monohydrate (1975)
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 31 (1975), S. 845-851 
    Details
    ISSN: 1600-5740
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0567740875003913
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  • 7
    Electronic Resource
    Electronic Resource
    6-Azathymine (1975)
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 31 (1975), S. 2519-2521 
    Details
    ISSN: 1600-5740
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0567740875007972
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  • 8
    Electronic Resource
    Electronic Resource
    3-Methyl-8-azaguanine hydrobromide monohydrate (1978)
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 34 (1978), S. 318-321 
    Details
    ISSN: 1600-5740
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0567740878002952
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  • 9
    Electronic Resource
    Electronic Resource
    8-Azaguanine hydrobromide monohydrate (1975)
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 31 (1975), S. 1751-1753 
    Details
    ISSN: 1600-5740
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0567740875006036
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  • 10
    Electronic Resource
    Electronic Resource
    Reversion of virus N-1 resistant mutant of blue-green algaNostoc muscorum (1978)
    Springer
    Cellular and molecular life sciences 34 (1978), S. 1565-1565 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The reversion of N-1 virus resistant strain of the algaNostoc muscorum was studied by inoculating parent virus in the resistant culture at various incubations. A fraction of virus resistant cells reverted to wild sensitive type with the reversion rate of 3.99×10−6/cell/generation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02034675
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