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  • 1965-1969  (6)
  • 1
    Electronic Resource
    Electronic Resource
    Quantitative Measurement of Paramylum in Euglena gracilis (1967)
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 14 (1967), S. 0 
    Details
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: SYNOPSIS. A technic is described for the quantitative assay of paramylum content of euglenoid flagellates. The method relies on the alkaline solubility of paramylum followed by treatment with the anthrone reagent. The intensity of the color developed by paramylum is about 14% greater than that developed by an equivalent amount of glucose. The method is sensitive down to about 10 μg.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1550-7408.1967.tb02053.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Photo-Assimilation of Acetate by an Obligate Phototrophic Strain of Euglena gracilis (1967)
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 14 (1967), S. 0 
    Details
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: SYNOPSIS. Light-dependent incorporation of acetate occurs in an obligate phototrophic strain of Euglena gracilis (strain L). Assimilation is into all major biochemical fractions. Acetate does not induce operation of the glyoxylate by-pass as it does in heterotrophic strains; neither does it stimulate oxygen consumption. Acetate will not replace CO2 in phototrophic growth. A number of carbon sources tested would not support growth in the dark, and glucose was not incorporated either in the light or the dark.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1550-7408.1967.tb02014.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Studies on the Respiratory Physiology of Euglena gracilis Cultured on Acetate or Glucose (1967)
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 14 (1967), S. 0 
    Details
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: SYNOPSIS. The glyoxylate cycle operates at a high level in Euglena gracilis when acetate is the only carbon source, and at a low level when glucose is the only carbon source, as indicated by activities of malate synthase. Altho glucose causes a moderate repression of some of the enzymes of the glyoxylate cycle, it neither represses nor inhibits malate synthase. The specific activity of the malic enzyme was about 5-fold greater in acetate-grown Euglena than in glucose-grown cells, but the absolute rate of CO2 fixation was about twice as great in cells grown on glucose. The respiratory quotient was unity regardless of substrate.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1550-7408.1967.tb02041.x
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Glucose vs. Acetate Metabolism in Euglena (1965)
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 12 (1965), S. 0 
    Details
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: SYNOPSIS. Euglena gracilis strain Z cells cultured in an inorganic medium with glucose as carbon and energy source differ from cells grown on acetate. Over optimal ranges of pH and substrate concentration, both glucose and acetate support essentially the same rates of growth, and mass and protein synthesis. Glucose, however, yields population densities 10X greater than acetate. Furthermore, in adapted cells glucose does not stimulate respiration above endogenous levels, whereas O2 consumption on acetate is 4X greater than endogenous; and acetate-grown cells have 50% more RNA than glucose-grown cells.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1550-7408.1965.tb03258.x
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    A Continuous Culture Device for Protozoan Cells (1968)
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 15 (1968), S. 0 
    Details
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: SYNOPSIS. A continuous culture device suitable for controlled growth of Euglna gracilis is described. It could probably be adapted to other similar cell types with generation times no greater than 150–200 hrs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1550-7408.1968.tb02155.x
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Photo-inhibition of cell division and growth in euglenoid flagellates (1968)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Cellular Physiology 71 (1968), S. 177-184 
    Details
    ISSN: 0021-9541
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: Visible light of moderate intensity causes two and perhaps three types of division inhibition in Euglena gracilis are related cells. Fluorescent light causes a general inhibition of growth and division which is temperature-dependent. Pigmentation or complex organic media partially lifts this inhibition. A second type of inhibition, which is transient, can be caused by either fluorescent or incandescent light, and is found with an irreversibly bleached strain of Euglena grown on a limiting concentration of acetate; this inhibition could not be demonstrated in cells grown on limiting concentrations of glucose.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jcp.1040710209
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    Paper (German National Licenses)
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