"Anticipated" nucleosome positioning pattern in prokaryotes

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Authors

RAPOPORT Alexandra E. TRIFONOV Eduard

Year of publication 2011
Type Article in Periodical
Magazine / Source Gene
MU Faculty or unit

Central European Institute of Technology

Citation
Doi http://dx.doi.org/10.1016/j.gene.2011.08.002
Field Genetics and molecular biology
Keywords Amphipathic alpha helices; Evolution of nucleosome positioning pattern; Hidden sequence patterns; Sequence periodicity; Shannon N-gram extension
Description Linguistic (word count) analysis of prokaryotic genome sequences, by Shannon N-gram extension, reveals that the dominant hidden motifs in A+T rich genomes are T(A)(T)A and G(A)(T)C with uncertain number of repeating A and T. In this case the above patterns in prokaryotes may be considered as "anticipated" nucleosome positioning patterns which, quite likely, existed in prokaryotic genomes before the evolutionary separation between eukaryotes and prokaryotes.
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