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Biochemistry (Moscow)

, Volume 79, Issue 11, pp 1141–1150 | Cite as

Evolution of α- and β-Globin genes and their regulatory systems in light of the hypothesis of domain organization of the genome

  • O. V. Iarovaia
  • E. S. Ioudinkova
  • N. V. Petrova
  • K. V. DolgushinEmail author
  • A. V. Kovina
  • A. V. Nefedochkina
  • Y. S. Vassetzky
  • S. V. Razin
Review

Abstract

The α- and β-globin gene domains are a traditional model for study of the domain organization of the eucaryotic genome because these genes encode hemoglobin, a physiologically important protein. The α-globin and β-globin gene domains are organized in completely different ways, while the expression of globin genes is tightly coordinated, which makes it extremely interesting to study the origin of these genes and the evolution of their regulatory systems. In this review, the organization of the α- and β-globin gene domains and their genomic environment in different taxonomic groups are comparatively analyzed. A new hypothesis of possible evolutionary pathways for segregated α- and β-globin gene domains of warm-blooded animals is proposed.

Key words

α- and β-globin gene domains gene expression evolution 

Abbreviations

LCR

locus control region

MRE

major regulatory element

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Copyright information

© Pleiades Publishing, Ltd. 2014

Authors and Affiliations

  • O. V. Iarovaia
    • 1
    • 2
  • E. S. Ioudinkova
    • 1
    • 2
  • N. V. Petrova
    • 1
    • 2
  • K. V. Dolgushin
    • 1
    • 2
    Email author
  • A. V. Kovina
    • 3
  • A. V. Nefedochkina
    • 3
  • Y. S. Vassetzky
    • 2
    • 4
  • S. V. Razin
    • 1
    • 2
    • 3
  1. 1.Institute of Gene BiologyRussian Academy of SciencesMoscowRussia
  2. 2.Joint Russian-French Laboratory LIA1066MoscowParisRussiaFrance
  3. 3.Biological FacultyLomonosov Moscow State UniversityMoscowRussia
  4. 4.Institute Gustave RoussyVillejuifFrance

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