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  • 1975-1979  (3)
  • 1
    Electronic Resource
    Electronic Resource
    Influence of a specific histone kinase on the physico-chemical properties of chromatin In situ (1975)
    Springer
    Molecular biology reports 2 (1975), S. 241-245 
    Details
    ISSN: 1573-4978
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The influence of a specific histone kinase, phosphorylating lysine-rich histone F1, F2a2, F2b, on the physico-chemical properties of the chromatin in the whole undestroyed fixed cell, has been investigated. It was found that the exogenous histone kinase penetrates into the nuclei of the undestroyed fixed cells and into the isolated unfixed nuclei and changes the physico-chemical properties of the chromatin there, bringing about an increase in binding of a basic dye acridine orange and a decrease in its stability to heat.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00356994
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Comparative properties of rat liver chromatinin situ andin vitro at early stages after partial hepatectomy (1978)
    Springer
    Molecular biology reports 4 (1978), S. 137-141 
    Details
    ISSN: 1573-4978
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The binding of acridine orange and ethidium bromide to rat liver chromatin increases by 30% one hour after partial hepatectomy, returns to the control level by the second hour and increases again by the sixth hour. The changes described were found in investigations carried out on whole cells, on isolated nuclei, and on chromatin preparationin vitro. Increased ligand binding disappears after the treatment of the one-hour chromatin with a 0.3 M NaCl solution, but such a treatment does not change the binding of ligands to chromatin obtained six hours after hepatectomy. The one-hour chromatin is characterized by elongation of distances between individual nucleosomes whereas the two-hour chromatin is the same as in control.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00777513
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Increased susceptibility of activated rat liver chromatin to DNAse I (1979)
    Springer
    Molecular biology reports 5 (1979), S. 215-219 
    Details
    ISSN: 1573-4978
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Rat liver chromatin activated by partial hepatectomy is more susceptible to the action of DNAse I than control chromatin isolated from intact liver. The study on the transfer of chromatin material to the acid-soluble fraction reveals a higher rate of activated chromatin degradation. Activated chromatin shows also an increased capacity for ethidium bromide (EB) binding as estimated from the isotherms of adsorption. The difference in EB binding between activated and control chromatin is abolished after DNAse I treatment. Conditions of mild digestion with DNAse I have been found under which the number of binding sites for EB per nucleotide decreases to almost the same level in activated and non-activated chromatin. The results suggest a preferential degradation of those DNA sequences in activated chromatin that are responsible for the increase in the ligand binding.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00782891
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    Paper (German National Licenses)
    Fulltext
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