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Absence of Histone in the Blue–Green Alga Anabaena cylindrica

Abstract

THE finding that more histones are associated with the chromosomal DNA of higher organisms than with that of lower organisms1–4 is consistent with the suggestion5 that histones act as suppressors in the regulation of gene expression in cellular differentiation. Thus histones must have been acquired at some stage in the evolution of differentiated eukaryotic organisms from the primitive prokaryon.

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MAKINO, F., TSUZUKI, J. Absence of Histone in the Blue–Green Alga Anabaena cylindrica. Nature 231, 446–447 (1971). https://doi.org/10.1038/231446a0

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