Organization and genomic distribution of "82H" alpha satellite DNA. Evidence for a low-copy or single-copy alphoid domain located on human chromosome 14.


Journal Article

We have investigated the organization and genomic distribution of sequences homologous to p82H, a cloned human alpha satellite sequence purported, based on previous in situ hybridization experiments, to exist at the centromere of each human chromosome. We report here that, using Southern blotting analysis under conditions of high stringency, p82H hybridizes solely to a low-copy or single-copy alphoid domain located at or near the centromeric region of human chromosome 14. In contrast, conditions of reduced hybridization stringency permit extensive cross-hybridization with non-identical, chromosome-specific alpha satellite subsets found elsewhere in the human genome. Thus, the previously described ubiquity of "82H" human centromeric sequences reflects the existence of diverse alpha satellite subsets located at the centromeric region of each human chromosome.

Full Text

Cited Authors

  • Waye, JS; Mitchell, AR; Willard, HF

Published Date

  • January 1988

Published In

Volume / Issue

  • 78 / 1

Start / End Page

  • 27 - 32

PubMed ID

  • 2828220

Pubmed Central ID

  • 2828220

Electronic International Standard Serial Number (EISSN)

  • 1432-1203

International Standard Serial Number (ISSN)

  • 0340-6717

Digital Object Identifier (DOI)

  • 10.1007/bf00291229


  • eng