Mitotic chromosome structure.

Document Type

Article

Publication Date

7-15-2012

JAX Source

Exp Cell Res 2012 Jul 15; 318(12):1381-5.

PMID

22507271

Volume

318

Issue

12

First Page

1381

Last Page

1385

ISSN

1090-2422

Abstract

Mounting evidence is compiling linking the physical organizational structure of chromosomes and the nuclear structure to biological function. At the base of the physical organizational structure of both is the concept of loop formation. This implies that physical proximity within chromosomes is provided for otherwise distal genomic regions and thus hierarchically organizing the chromosomes. Together with entropy many experimental observations can be explained with these two concepts. Among the observations that can be explained are the measured physical extent of the chromosomes, their shape, mechanical behavior, the segregation into territories (chromosomal and territories within chromosomes), the results from chromosome conformation capture experiments, as well as linking gene expression to structural organization.

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