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Criticisms of the Evolutionary Perspective01:23

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The macrodomain family: Rethinking an ancient domain from evolutionary perspectives.

XiaoLei Li1, ZhiQiang Wu1, WeiDong Han1

  • 1Department of Molecular Biology, Institute of Basic Medicine, School of Life Sciences, General Hospital of the Chinese People's Liberation Army, Beijing, 100853 China.

Chinese Science Bulletin = Kexue Tongbao
|March 28, 2020
PubMed
Summary
This summary is machine-generated.

Functionally important macrodomains evolve slowly. This study explores the evolutionary advantage of their diverse functions and slow evolution across species, linking biological evolution to functional diversity.

Keywords:
biological evolutionenvironmental stressfunctional diversitymacrodomain family

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Area of Science:

  • Molecular Evolution
  • Structural Biology
  • Genomics

Background:

  • The macro-domain (X domain) is an ancient, conserved protein structure found across kingdoms.
  • Macrodomains are crucial for DNA damage response, chromatin remodeling, transcription, and tumorigenesis.
  • The evolutionary advantage of macrodomains' conserved nature and diverse functions remains unclear.

Purpose of the Study:

  • To investigate the slow evolutionary rate of macrodomains.
  • To explore the relationship between macrodomain biological evolution and functional diversity.
  • To reconsider the evolutionary basis for macrodomains' multiple functions.

Main Methods:

  • Analysis of structural, phylogenetic, and biological data.
  • Focus on slowly evolving macrodomains.
  • Discussion of evolutionary pressures and functional roles.

Main Results:

  • Macrodomains are ancient, highly conserved, and functionally promiscuous.
  • Evidence suggests a need to re-evaluate the evolutionary advantage of their conserved structure and diverse functions.
  • A link between slow evolution and functional breadth is proposed.

Conclusions:

  • Slow evolution of macrodomains may be linked to their essential, diverse cellular roles.
  • Further research is needed to fully understand the evolutionary trajectory and functional significance of macrodomains.