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  • 2-methyl ketones
  • Aerobic growth
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  • 1
    Electronic Resource
    Electronic Resource
    An elevation of the molar growth yield of Zymomonas mobilis during aerobic exponential growth (1997)
    Springer
    Archives of microbiology 167 (1997), S. 167-171 
    Details
    ISSN: 1432-072X
    Keywords: Key wordsZymomonas mobilis ; Biomass yield ; Aerobic growth ; Anaerobic growth ; Ethanol formation ; Pasteur effect
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Elevated values of molar growth yield (Yx/s = 14–26 g mol–1) were obtained during exponential growth (μ 〉 0.4 h–1) of Zymomonas mobilis ATCC 29191 by using reduced concentrations of glucose (6.25–100 mM) and increased oxygen supply (E h 〉 300 mV) in the growth medium, as compared to the Yx/s of anaerobic exponential growth (8–10 g mol–1). Aerobically grown cells showed an increased maximum growth rate (μmax), and a reduced specific glucose consumption rate (qs), and specific ethanol formation rate (qp), thus demonstrating a more pronounced energy-coupling growth under oxic conditions. These results can be neither explained by the concept of a solely operating Entner-Doudoroff pathway as an ATP source in aerobically growing cultures of Z. mobilis nor considered to be consistent with existing data on the lack of the Pasteur effect in this bacterium. Therefore, the results rather give evidence for the essential contribution of aerobic ATP generation under the reported conditions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002030050430
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  • 2
    Electronic Resource
    Electronic Resource
    Identification of chemicals attractive to the olive bark beetle, Phloeotribus scarabaeoides, in laboratory bioassays (1998)
    Springer
    BioControl 43 (1998), S. 345-355 
    Details
    ISSN: 1573-8248
    Keywords: 2-methyl ketones ; aldehydes ; analysis ; attractants ; Coleoptera ; monoterpenes ; Scolytidae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract The semiochemical system of the olive bark beetle Phloeotribus scarabaeoides was investigated. During the course of their life-cycle, whole insects, excised hindguts, frass, wood and leaves were collected, from both the field and from a laboratory rearing system. Samples were analysed by capillary GC/MS, after solvent extraction, collection of air volatiles on a sorbent or solid sample injection. Olfactometer bioassays were used to test the different samples and individual compounds for attraction to both sexes. Decanal, undecanal, 2-decanone, 2-nonanone and 2-undecanone, as well as α- and β-pinene, were identified as attractive compounds.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1009931601673
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    Paper (German National Licenses)
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