Journal
CHROMOSOME RESEARCH
Volume 23, Issue 3, Pages 421-426Publisher
SPRINGER
DOI: 10.1007/s10577-015-9488-2
Keywords
Satellite DNA; assembly; centromere; pericentromeric heterochromatin; acrocentric repeats
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Genomic studies rely on accurate chromosome assemblies to explore sequence-based models of cell biology, evolution and biomedical disease. However, even the extensively studied human genome has not yet reached a complete, 'telomere-to-telomere', chromosome assembly. The largest assembly gaps remain in centromeric regions and acrocentric short arms, sites known to contain megabase-sized arrays of tandem repeats, or satellite DNAs. This review aims to briefly address the progress and challenges of generating correct assemblies of satellite DNA arrays. Although the focus is placed on the human genome, many concepts presented here are applicable to other genomes.
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