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  • 1
    Electronic Resource
    Electronic Resource
    Fine Structure of Developing Spermatids used as a Basis for Staging of the Spermateleosis in the Blue Fox (Alopex Lagopus) (1978)
    Oxford, UK : Blackwell Publishing Ltd
    Anatomia, histologia, embryologia 7 (1978), S. 0 
    Details
    ISSN: 1439-0264
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Ultrastructural changes of the different spermatid organelles have been studied in order to establish a basis for subdivision of blue fox spermateleosis. Testicular tissue from 9 sexually mature animals was obtained within the breeding season (March—April), As a result of electron microscopical observations, ten distinct stages of spermatid differentiation could be defined.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1439-0264.1978.tb00666.x
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  • 2
    Electronic Resource
    Electronic Resource
    Purification, crystallization and preliminary X-ray studies of two isoforms of Rubisco from Alcaligenes eutrophus (1999)
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 55 (1999), S. 310-313 
    Details
    ISSN: 1399-0047
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: Two different isoforms of ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco) from Alcaligenes eutrophus have been purified and crystallized. Both isoforms crystallize in space group P43212. Crystals of isoform I (unit-cell dimensions a = 112.0 and c = 402.7 Å) diffract to 2.7 Å, whereas isoform II (unit-cell dimensions a = 111.8 and c = 400.0 Å) presently diffract to 3.2 Å, using synchrotron radiation in both cases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0907444998010257
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  • 3
    Electronic Resource
    Electronic Resource
    Efficiency of CO2 fixation in a glycollate oxidoreductase mutant of Alcaligenes eutrophus which exports fixed carbon as glycollate (1980)
    Springer
    Archives of microbiology 128 (1980), S. 84-90 
    Details
    ISSN: 1432-072X
    Keywords: Alcaligenes eutrophus ; Efficiency of CO2 fixation ; Glycollate excretion ; Glycollate oxidoreductase ; Ribulose bisphosphate carboxylase/oxygenase
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Mutant strains of the facultative autotrophic bacterium Alcaligenes eutrophus blocked in glycollate utilization were isolated and characterized. One of the strains, AE161, which lacked glycollate oxidoreductase activity, excreted up to 1.2μmol glycollate/mg cell protein per hour during autotrophic growth. This mutant strain was used to study the efficiency of CO2 fixation in terms of how much of the fixed carbon was excreted as glycollate under different conditions. Glycollate excretion was not detected during heterotrophic growth. Only 1% of the total CO2 fixed was excreted as glycollate in an atmosphere of 4% CO2 plus 20% O2. The rate of glycollate excretion showed a large increase and CO2 fixation decreased as the CO2 concentration was lowered. Almost half (40–50%) of the total CO2 fixed was excreted as glycollate in an atmosphere of 0.07% CO2 plus 20% O2.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00422310
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  • 4
    Electronic Resource
    Electronic Resource
    Plasmids required for utilization of molecular hydrogen by Alcaligenes eutrophus (1981)
    Springer
    Archives of microbiology 129 (1981), S. 384-390 
    Details
    ISSN: 1432-072X
    Keywords: Alcaligenes eutrophus ; H2 metabolism ; H2 uptake (Hup) ; Plasmids ; Hydrogenase
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Alcaligenes eutrophus and three other hydrogen bacteria exposed to plasmid-curing agents generated autotrophic-minus mutants at high frequency. These mutants were blocked in the metabolism of H2 as an energy source and had normal levels of enzymes involved in CO2 fixation. The loss of hydrogenase activity in A. eutrophus was accompanied by the loss or alteration of a plasmid that had molecular weight of approximately 200×106. Mobilization of this plasmid from wild-type A. eutrophus strains into cured hydrogenase-minus derivatives restored hydrogenase function. It is concluded that A. eutrophus contains a large plasmid required for hydrogen metabolism and thereby autotrophic growth.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00406468
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