Summary
Sphingomyelin, phosphatidylserine, bovine lecithin and phosphatidylethanolamine modify the thermal stability of H2B-DNA complexes, by inducing stabilization at 0.3 and 0.6 H2B:DNA weight ratios and destabilization at 0.8, 1.0 and 1.5 ones.
The ability of phospholipids to modify the arrangement of nucleohistone is confirmed by ultrastructural analysis which indicates a competitive action of these molecules during the nucleoprotein assembly.
A possible regulatory role of phospholipids on native chromatin is proposed.
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Capitani, S., Maraldi, N.M., Cocco, L. et al. H2B nucleohistone — phospholipid interactions. Thermal denaturation and ultrastructural analysis. Mol Cell Biochem 20, 159–166 (1978). https://doi.org/10.1007/BF00243762
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DOI: https://doi.org/10.1007/BF00243762