Mammalian Genome

, Volume 5, Issue 4, pp 211–215 | Cite as

Gene for a tissue-specific transcriptional activator (EBF or Olf-1), expressed in early B lymphocytes, adipocytes, and olfactory neurons, is located on human Chromosome 5, band q34, and proximal mouse Chromosome 11

  • A. Milatovich
  • R.-G. Qiu
  • R. Grosschedl
  • U. Francke
Original Contributions


Murine B lymphocytes, adipocytes, and olfactory neurons contain a DNA-binding protein that participates in the regulation of genes encoding tissue-specific components of signal transduction. Purification and cloning of this protein, termed early B-cell factor (EBF), from murine B lymphocytes and independent cloning of a protein, termed Olf-1, from olfactory neuronal cells revealed virtual complete amino acid sequence identity between these proteins. As a first step towards identifying a human genetic disorder or mouse mutation for which EBF could be a candidate gene, we have chromosomally mapped the corresponding locus in both species. By Southern hybridization analyses of somatic cell hybrid panels with murine cDNA probe, fluorescence chromosomal in situ hybridization (FISH) of human genomic clones, and analysis of recombinant inbred mouse strains, we have found single sites for EBF homologous sequences on human Chromosome (Chr) 5, band q34, and on proximal mouse Chr 11, in an evolutionarily conserved region.


Human Chromosome Amino Acid Sequence Identity Somatic Cell Hybrid Inbred Mouse Strain Olfactory Neuron 
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Copyright information

© Springer-Verlag New York Inc 1994

Authors and Affiliations

  • A. Milatovich
    • 1
  • R.-G. Qiu
    • 2
    • 3
    • 4
  • R. Grosschedl
    • 2
    • 3
    • 4
  • U. Francke
    • 1
    • 5
    • 6
  1. 1.Department of GeneticsStanford UniversityStanfordUSA
  2. 2.Howard Hughes Medical InstituteUniversity of CaliforniaSan FranciscoUSA
  3. 3.Department of MicrobiologyUniversity of CaliforniaSan FranciscoUSA
  4. 4.Department of BiochemistryUniversity of CaliforniaSan FranciscoUSA
  5. 5.Department of PediatricsStanford UniversityStanfordUSA
  6. 6.Howard Hughes Medical InstituteStanford UniversityStanfordUSA

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