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Figure 4 | Genome Biology

Figure 4

From: Co-localization of CENP-C and CENP-H to discontinuous domains of CENP-A chromatin at human neocentromeres

Figure 4

CENP-A nucleosomes are interspersed at variable densities throughout the core centromeric domain. (a) The 87.8 kilobase (kb) major domain. Shown are the putative subdomains of centromere protein (CENP)-A, with higher densities indicated by darker shading. The polymerase chain reaction (PCR) microarray fragments are shown below (see Figure 2). The fragments examined using the oligo array are shown in gray. (b) DNA obtained from chromatin immunoprecipitation (ChIP) using CENP-A from cell line BBB was hybridized to a 70 mer oligonucleotide microarray containing two distinct subdomains of the major neocentromere domain, a 1.6 kb region at the 5' end (PCR fragments 3 and 4; Table 1) and a 2 kb region within the domain (PCR fragments 20 and 21). Three independent biological replicates were performed, and the mean log2 Cy-5:Cy-3 intensity ratio (CENP-A ChIP to input) from each biologic replicate was scale normalized (SN). The result for each 70 mer oligomer is shown plotted on the y-axis with the standard error.

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