Comparisons of nuclease digestions of chromatin in nuclei from rye embryos and rat liver show that their nucleosomal DNA is similar, i.e. DNA subunits consist of 200 base-pair repeats with 140 base-pair cores of identical substructure. The identical nucleosome structure is present in nuclei from cells of rye embryos that have been non-viable (i.e. dead) for more than 7 years. These findings indicate a high degree of stability of the DNA-histone complex and are consistent with conservation of the nucleosomal structure of chromatin during evolution.
Research Article|April 01 1977
Analysis of nucleosomal deoxyribonucleic acid in a higher plant
Biochem J (1977) 163 (1): 141-144.
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K S E Cheah, D J Osborne; Analysis of nucleosomal deoxyribonucleic acid in a higher plant. Biochem J 1 April 1977; 163 (1): 141–144. doi: https://doi.org/10.1042/bj1630141
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