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Localization and polymorphism of a chromosome 12-specific alpha satellite DNA sequence

  • L H Looijenga
  • , V T Smit
  • , J W Wessels
  • , P Mollevanger
  • , J W Oosterhuis
  • , C J Cornelisse
  • , P Devilee

Research output: Contribution to journalArticlepeer-review

72 Citations (Scopus)

Abstract

The isolation and localization of a chromosome 12-specific alpha satellite DNA sequence, p alpha 12H8, is described. This clone contains a complete copy of the 1.4-kb HindIII higher-order repeat present within the alpha satellite array on chromosome 12. The specificity of p alpha 12H8 was demonstrated by in situ hybridization and Southern blot analysis of a somatic cell hybrid mapping panel, both performed under high-stringency conditions. Polymorphic restriction patterns within the alpha satellite array, revealed by the use of the restriction enzymes BglII and EcoRV, were demonstrated to display Mendelian inheritance. These properties make p alpha 12H8 a valuable genetic marker for the centromeric region of chromosome 12.

Original languageEnglish
Pages (from-to)216-8
Number of pages3
JournalCytogenetics and cell genetics
Volume53
Issue number4
DOIs
Publication statusPublished - 1990
Externally publishedYes

Keywords

  • Centromere
  • Chromosome Mapping
  • Chromosomes, Human, Pair 12
  • DNA Probes
  • DNA, Satellite/genetics
  • Humans
  • Nucleic Acid Hybridization
  • Polymorphism, Restriction Fragment Length

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