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Nat Genet. 1997 Jun;16(2):144-53.

A functional neo-centromere formed through activation of a latent human centromere and consisting of non-alpha-satellite DNA.

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Murdoch Institute for Research into Birth Defects, Royal Children's Hospital, Parkville, Australia.


We recently described a human marker chromosome containing a functional neo-centromere that binds anti-centromere antibodies, but is devoid of centromeric alpha-satellite repeats and derived from a hitherto non-centromeric region of chromosome 10q25. Chromosome walking using cloned single-copy DNA from this region enabled us to identify the antibody-binding domain of this centromere. Extensive restriction mapping indicates that this domain has an identical genomic organization to the corresponding normal chromosomal region, suggesting a mechanism for the origin of this centromere through the activation of a latent centromere that exists within 10q25.

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