Strong nucleosomes of A. thaliana concentrate in centromere regions.

Abstract:

:Earlier identified strongest nucleosome DNA sequences of A. thaliana, those with visible 10-11 base sequence periodicity, are mapped along chromosomes. Resulting positional distributions reveal distinct maxima, one per chromosome, located in the centromere regions. Sequence-directed nucleosome mapping demonstrates that the strong nucleosomes (SNs) make tight arrays, several 'parallel' nucleosomes each, suggesting a columnar chromatin structure. The SNs represent a new class of centromeric nucleosomes, presumably, participating in synapsis of chromatids and securing the centromere architecture.

journal_name

J Biomol Struct Dyn

authors

Salih B,Trifonov EN

doi

10.1080/07391102.2013.860624

subject

Has Abstract

pub_date

2015-01-01 00:00:00

pages

10-3

issue

1

eissn

0739-1102

issn

1538-0254

journal_volume

33

pub_type

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