Project description:We report the sequences bound to CENP-A in the dog genome (Canis familiaris) for high-throughput characterization of centromeric sequences. We compare these ChIPSeq reads (72 bp, single read) against a reference centromeric satellite DNA domain database for the dog genome, resulting in the annotation of sequence variation and estimated abundance of seven satellite families together with adjacent, non-satellite sequences. To study global patterns of sequence diversity and characterizing the subset of sequences correlated with centromere function, these sequences were evaluated relative to a comprehensive centromere sequence domain k-mer library. From this analysis, we identify functional sequence features from two satellite families (CarSat1 and CarSat2) that are defined by distinct arrays subtypes. Sequences bound to CENP-A in MDCK (dog) cell line

2012-07-23 | E-GEOD-38079 | biostudies-arrayexpress

icNeoTran1

Project description:Neocrepidodera transversa genome assembly, icNeoTran1

| PRJEB65059 | ENA

Sequences Associated with Centromere Competency in the Human Genome

Project description:Centromeres, the sites of spindle attachment during mitosis and meiosis, are located in specific positions in the human genome, normally coincident with diverse subsets of alpha satellite DNA. While there is strong evidence supporting the association of some subfamilies of alpha satellite with centromere function, the basis for establishing whether a given alpha satellite sequence is or is not designated a functional centromere is unknown, and attempts to understand the role of particular sequence features in establishing centromere identity have been limited by the near identity and repetitive nature of satellite sequences. Utilizing a broadly applicable experimental approach to test sequence competency for centromere specification, we have carried out a genomic and epigenetic functional analysis of endogenous human centromere sequences available in the current human genome assembly. The data support a model in which functionally competent sequences confer an opportunity for centromere specification, integrating genomic and epigenetic signals and promoting the concept of context-dependent centromere inheritance. Sequences bound to CENP-A in HuRef cell line

2013-03-29 | E-GEOD-45497 | biostudies-arrayexpress

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