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  • 1
    Electronic Resource
    Electronic Resource
    A lobular, ammonia-oxidizing bacterium, Nitrosolobus multiformis Nov. Gen. Nov. sp. (1971)
    Springer
    Archives of microbiology 76 (1971), S. 183-203 
    Details
    ISSN: 1432-072X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Nitrosolobus multiformis is a lobular shaped, previously undescribed ammonia-oxidizing bacterium. The organism is ubiquitous and was isolated from soil samples obtained in various parts of the world. Its lobular nature and its internal, partially compartmentalized cytoplasm makes it morphologically unique and easily distinguishable from all other microorganisms. Physiological compartmentalization also occurs and is characterized by glycogen deposition in the peripheral compartments of the cell. The cells are obligate chemoautotrophs using CO2 and ammonia as primary carbon and energy sources. Its obligate chemoautotrophic nature stems primarily from a metabolic deficiency. Even though the cells cannot be grown on an organic medium the cells still have a slight heterotrophic potential and are able to oxidize and assimilate minute amounts of acetate in the absence of an inorganic energy source.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00409115
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  • 2
    Electronic Resource
    Electronic Resource
    Characteristics of two marine nitrite oxidizing bacteria, Nitrospina gracilis nov. gen. nov. sp. and Nitrococcus mobilis nov. gen. nov. sp. (1971)
    Springer
    Archives of microbiology 77 (1971), S. 203-230 
    Details
    ISSN: 1432-072X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Two new nitrite oxidizing bacteria for which the names Nitrococcus mobilis and Nitrospina gracilis are proposed were isolated from the marine environment. Nitrococcus mobilis was cultured from South Pacific waters and it is a large motile coccus with unique tubular cytomembranes. Nitrospina gracilis was isolated from South Atlantic waters and it is a long slender rod which lacks an extensive cytomembrane system. Both are obligate marine organisms and both are obligate chemoautotrophs. The fine structure of these organisms is detailed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00408114
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  • 3
    Electronic Resource
    Electronic Resource
    Reisolation of Nitrosospira briensis S. Winogradsky and H. Winogradsky 1933 (1971)
    Springer
    Archives of microbiology 75 (1971), S. 179-188 
    Details
    ISSN: 1432-072X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Nitrosospira briensis was isolated from the soils of Crete, the Greek mainland and Switzerland. This is only the second report of the reisolation of a member of this genus since it was described by the Winogradskys in 1933. N. briensis, studied in the present investigation, is so tightly coiled that the cells appear as rods or cylinders rather than spirals when examined with the phase- contrast microscope. On occasion the cells partially uncoil and the spirals are clearly evident even with a phase-contrast microscope. When the cells were thin-sectioned, shadowed, negatively-stained or freeze-etched and viewed with the electron microscope, the spirals were visible even in tightly coiled cells. The tightly coiled cells which appear as rods or cylinders are 1.5–2.5 μ long and 0.8–1.0 μ wide. The cells moved erratically and are propelled by 1–6 flagella which were 3–5 μ long.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00408979
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  • 4
    Electronic Resource
    Electronic Resource
    Nitrospira marina gen. nov. sp. nov.: a chemolithotrophic nitrite-oxidizing bacterium (1986)
    Springer
    Archives of microbiology 144 (1986), S. 1-7 
    Details
    ISSN: 1432-072X
    Keywords: Nitrospira marina ; Nitrite-oxidizing bacterium ; Chemolithotrophic ; Mixotrophic ; Periplasmic space
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A new chemolithotrophic nitrite-oxidizing bacterium, for which the name Nitrospira marina is proposed, was isolated from the Gulf of Maine. N. marina is a Gramnegative curved rod which may form spirals with 1 to 12 turns. Cells have a unique periplasmic space and lack intracytoplasmic membranes and carboxysomes. N. marina is an obligate chemolithotroph, but best growth is obtained in a mixotrophic medium. N. marina may be one of the most prevalent nitrite-oxidizing bacteria in some oceanic environments. Type strain is field with American Type Culture Collection (ATCC 43039).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00454947
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  • 5
    Electronic Resource
    Electronic Resource
    Widespread occurrence of a unicellular, marine, planktonic, cyanobacterium (1979)
    [s.l.] : Nature Publishing Group
    Nature 277 (1979), S. 293-294 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Natural water samples were filtered through 0.2 jxm Nucle-pore filters, counterstained with Irgalan black4. The filters were examined with a Zeiss Standard microscope equipped with Neofluar objectives and an epifluorescent illumination system containing a 100-W halogen lamp, a BP 450-500 excitation ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/277293a0
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