"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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