We have generated a human subtelomere probe panel, utilizing well characterized CEPH YACs, for the investigation of human chromosome pathology and evolution through fluorescent in situ hybridization (FISH). Region-specific FISH probes will be extremely valuable for detecting cytogenetically cryptic telomere abnormalities. Here, we present the first comparative mapping study (with 29 subtelomere probes and 6 chromosome paints) to the Old World monkey Presbytis cristαtα, followed by hybridizations to the great apes, gorilla and orangutan, when rearrangements were detected. We observed that the position of telomere-associated genomic sequences has been only moderately conserved during primate evolution. YAC 364f9, specific for the subtelomeric long arm of human chromosome 3, contains an evolutionary inversion breakpoint that was involved in independent chromosome rearrangements in P. cristαtα and gorilla.

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© 1997 S. Karger AG, Basel
1997
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