Phylogenetic footprinting of hypersensitive site 3 of the β-globin locus control region

David A. Shelton, Lauren Stegman, Ross Hardison, Webb Miller, Jeffery H. Bock, Jerry L. Slightom, Morris Goodman, Deborah L. Gumucio

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

Hypersensitive site 3 (HS3) of the β-like globin locus control region has been implicated as an important regulator of the β-like globin genes, but the trans factors that bind HS3 have only been partially characterized. Using a five-species alignment (human, galago, rabbit, goat, and mouse) that represents 370 million years of evolution, we have identified 24 phylogenetic footprints in the HS3 core and surrounding regions. Probes corresponding to the human sequence at each footprint have been used in binding studies to identify the nuclear factors that bind within and near these conserved sequence elements. Among the high-affinity interactions observed were several binding sites for proteins with repressor activity, including YY1, CCAAT displacement protein, and G1/G2 complexes (uncharacterized putative repressors) and several binding sites for the stage selector protein. To complement this analysis, orthologous galago sequences were also used to derive probes and the pattern of proteins binding to human and galago probes was compared. Binding interactions differing between these two species could be responsible for the different expression patterns shown by the two γ genes (g alago γ is embryonic; human γ is fetal). Alternatively, binding interactions that are conserved in the two species may be important in the regulation of common expression patterns (eg, repression of γ in adult life).

Original languageEnglish (US)
Pages (from-to)3457-3469
Number of pages13
JournalBlood
Volume89
Issue number9
StatePublished - May 1 1997

Fingerprint

Locus Control Region
Galago
Globins
Genes
Binding Sites
Proteins
Conserved Sequence
Protein Binding
Goats
Carrier Proteins
Rabbits

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Immunology
  • Hematology
  • Cell Biology

Cite this

Shelton, D. A., Stegman, L., Hardison, R., Miller, W., Bock, J. H., Slightom, J. L., ... Gumucio, D. L. (1997). Phylogenetic footprinting of hypersensitive site 3 of the β-globin locus control region. Blood, 89(9), 3457-3469.
Shelton, David A. ; Stegman, Lauren ; Hardison, Ross ; Miller, Webb ; Bock, Jeffery H. ; Slightom, Jerry L. ; Goodman, Morris ; Gumucio, Deborah L. / Phylogenetic footprinting of hypersensitive site 3 of the β-globin locus control region. In: Blood. 1997 ; Vol. 89, No. 9. pp. 3457-3469.
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abstract = "Hypersensitive site 3 (HS3) of the β-like globin locus control region has been implicated as an important regulator of the β-like globin genes, but the trans factors that bind HS3 have only been partially characterized. Using a five-species alignment (human, galago, rabbit, goat, and mouse) that represents 370 million years of evolution, we have identified 24 phylogenetic footprints in the HS3 core and surrounding regions. Probes corresponding to the human sequence at each footprint have been used in binding studies to identify the nuclear factors that bind within and near these conserved sequence elements. Among the high-affinity interactions observed were several binding sites for proteins with repressor activity, including YY1, CCAAT displacement protein, and G1/G2 complexes (uncharacterized putative repressors) and several binding sites for the stage selector protein. To complement this analysis, orthologous galago sequences were also used to derive probes and the pattern of proteins binding to human and galago probes was compared. Binding interactions differing between these two species could be responsible for the different expression patterns shown by the two γ genes (g alago γ is embryonic; human γ is fetal). Alternatively, binding interactions that are conserved in the two species may be important in the regulation of common expression patterns (eg, repression of γ in adult life).",
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Shelton, DA, Stegman, L, Hardison, R, Miller, W, Bock, JH, Slightom, JL, Goodman, M & Gumucio, DL 1997, 'Phylogenetic footprinting of hypersensitive site 3 of the β-globin locus control region', Blood, vol. 89, no. 9, pp. 3457-3469.

Phylogenetic footprinting of hypersensitive site 3 of the β-globin locus control region. / Shelton, David A.; Stegman, Lauren; Hardison, Ross; Miller, Webb; Bock, Jeffery H.; Slightom, Jerry L.; Goodman, Morris; Gumucio, Deborah L.

In: Blood, Vol. 89, No. 9, 01.05.1997, p. 3457-3469.

Research output: Contribution to journalArticle

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Shelton DA, Stegman L, Hardison R, Miller W, Bock JH, Slightom JL et al. Phylogenetic footprinting of hypersensitive site 3 of the β-globin locus control region. Blood. 1997 May 1;89(9):3457-3469.