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  • Dark metabolism  (2)
Document type
Keywords
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Years
  • 1
    Electronic Resource
    Electronic Resource
    Fermentation in the unicellular cyanobacterium Microcystis PCC7806 (1994)
    Springer
    Archives of microbiology 162 (1994), S. 63-69 
    Details
    ISSN: 1432-072X
    Keywords: Key words     Survival ; Anaerobic metabolism ; Dark metabolism ; Glycogen ; Embden-Meyerhof-Parnas pathway ; Pyruvate:ferredoxin oxidoreductase ; Hydrogenase ; Alcohol dehydrogenase ; Acetate kinase
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract      The cyanobacterium Microcystis PCC7806 fermented endogenously stored glycogen to ethanol, acetate, CO2, and H2 when incubated anaerobically in the dark. The switch from photoautotrophic to fermentative metabolism did not require de novo protein synthesis, and fermentation started immediately after cells had been transferred to dark anoxic conditions. From the molar ratios of the products a nd from enzyme activities in cell-free extracts, it was concluded that glucose derived from glycogen was degraded via the Embden-Meyerhof-Parnas pathway. In addition, CoA-dependent pyruvate:ferredoxin oxidoreductase, alcohol dehydrogenase, acetate kinase, and hydrogenase were present. The specific activities of these enzymes were sufficiently high to account for the rates of product formation by cell suspensions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002030050102
    Location Call Number Limitation Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Fermentation in the unicellular cyanobacterium Microcystis PCC7806 (1994)
    Springer
    Archives of microbiology 162 (1994), S. 63-69 
    Details
    ISSN: 1432-072X
    Keywords: Survival ; Anaerobic metabolism ; Dark metabolism ; Glycogen ; Embden-Meyerhof-Parnas pathway ; Pyruvate:ferredoxin oxidoreductase ; Hydrogenase ; Alcohol dehydrogenase ; Acetate kinase
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The cyanobacterium Microcystis PCC7806 fermented endogenously stored glycogen to ethanol, acetate, CO2, and H2 when incubated anaerobically in the dark. The switch from photoautotrophic to fermentative metabolism did not require de novo protein synthesis, and fermentation started immediately after cells had been transferred to dark anoxic conditions. From the molar ratios of the products and from enzyme activities in cell-free extracts, it was concluded that glucose derived from glycogen was degraded via the Embden-Meyerhof-Parnas pathway. In addition, CoA-dependent pyruvate:ferredoxin oxidoreductase, alcohol dehydrogenase, acetate kinase, and hydrogenase were present. The specific activities of these enzymes were sufficiently high to account for the rates of product formation by cell suspensions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00264374
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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