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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Archives of microbiology 99 (1974), S. 251-254 
    ISSN: 1432-072X
    Keywords: Blue-Green Algae ; DNA Renaturation ; Genome Size
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The molecular weight of the genomes of the blue-green algaeAnacystis nidulans andAnabaena cylindrica have been estimated as 2.27×109 and 2.47×109 daltons respectively from the renaturation kinetics of DNA. Thus the genomes of these organisms are similar in size to that ofEscherichia coli K-12, (2.40×109 daltons) measured by the same technique. No evidence was obtained of repeated sequences in the DNA of the two blue-green algae.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Archives of microbiology 101 (1974), S. 161-167 
    ISSN: 1432-072X
    Keywords: Anabaena cylindrica ; Heterocysts ; Glucose Metabolism ; Pentose Phosphate Pathway
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Whole filaments of autotrophically grown Anabaena cylindrica and heterocysts isolated from them will assimilate and metabolise exogenous glucose. Radiorespirometric experiments suggest the operation of the pentose phosphate pathway. Glucose-6-phosphate and 6-phosphogluconate dehydrogenase are present in heterocysts at 6–8 times the levels found in vegetative cells whereas enzymes of the reductive pentose phosphate and glycolytic pathways are barely or not detectable. Glucose-6-phosphate dehydrogenase in vegetative cells, but not in heterocysts is subject to inhibition by ribulose diphosphate.
    Type of Medium: Electronic Resource
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