期刊
NATURE GENETICS
卷 38, 期 10, 页码 1216-1220出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/ng1888
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资金
- NHGRI NIH HHS [HG0017115, HG003224] Funding Source: Medline
- NIGMS NIH HHS [GM61936] Funding Source: Medline
An earlier search in the human, mouse and rat genomes for sequences that are 100% conserved in orthologous segments and >= 200 bp in length identified 481 distinct sequences(1). These human-mouse-rat sequences, which represent ultraconserved elements (UCEs), are believed to be important for functions involving DNA binding, RNA processing and the regulation of transcription and development. In vivo and additional computational studies of UCEs and other highly conserved sequences are consistent with these functional associations, with some observations indicating enhancer-like activity for these elements(1-9). Here, we show that UCEs are significantly depleted among segmental duplications and copy number variants. Notably, of the UCEs that are found in segmental duplications or copy number variants, the majority overlap exons, indicating, along with other findings presented, that UCEs overlapping exons represent a distinct subset.
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