The origin of human chromosome 2 analyzed by comparative chromosome mapping with a DNA microlibrary

J. Wienberg, A. Jauch, H. J. Lüdecke, G. Senger, B. Horsthemke, U. Claussen, T. Cremer, N. Arnold, C. Lengauer

Research output: Contribution to journalArticlepeer-review

Abstract

Fluorescence in situ hybridization (FISH) of microlibraries established from distinct chromosome subregions can test the evolutionary conservation of chromosome bands as well as chromosomal rearrangements that occurred during primate evolution and will help to clarify phylogenetic relationships. We used a DNA library established by microdissection and microcloning from the entire long arm of human chromosome 2 for fluorescence in situ hybridization and comparative mapping of the chromosomes of human, great apes (Pan troglodytes, Pan paniscus, Gorilla gorilla, Pongo pygmaeus) and Old World monkeys (Macaca fuscata and Cercopithecus aethiops). Inversions were found in the pericentric region of the primate chromosome 2p homologs in great apes, and the hybridization pattern demonstrates the known phylogenetically derived telomere fusion in the line that leads to human chromosome 2. The hybridization of the 2q microlibrary to chromosomes of Old World monkeys gave a different pattern from that in the gorilla and the orang-utan, but a pattern similar to that of chimpanzees. This suggests convergence of chromosomal rearrangements in different phylogenetic lines.

Original languageEnglish (US)
Pages (from-to)405-410
Number of pages6
JournalChromosome Research
Volume2
Issue number5
DOIs
StatePublished - Sep 1994
Externally publishedYes

Keywords

  • evolution
  • fluorescent in situ hybridization
  • microdissection
  • phylogeny
  • primates

ASJC Scopus subject areas

  • Genetics

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