A phylogenomic study of DNA repair genes, proteins, and processes

Jonathan A Eisen, Philip C. Hanawalt

Research output: Contribution to journalArticlepeer-review

346 Scopus citations


The ability to recognize and repair abnormal DNA structures is common to all forms of life. Studies in a variety of species have identified an incredible diversity of DNA repair pathways. Documenting and characterizing the similarities and differences in repair between species has important value for understanding the origin and evolution of repair pathways as well as for improving our understanding of phenotypes affected by repair (e.g., mutation rates, lifespan, tumorigenesis, survival in extreme environments). Unfortunately, while repair processes have been studied in quite a few species, the ecological and evolutionary diversity of such studies has been limited. Complete genome sequences can provide potential sources of new information about repair in different species. In this paper, we present a global comparative analysis of DNA repair proteins and processes based upon the analysis of available complete genome sequences. We use a new form of analysis that combines genome sequence information and phylogenetic studies into a composite analysis we refer to as phylogenomics. We use this phylogenomic analysis to study the evolution of repair proteins and processes and to predict the repair phenotypes of those species for which we now know the complete genome sequence. Copyright (C) 1999 Elsevier Science B.V.

Original languageEnglish (US)
Pages (from-to)171-213
Number of pages43
JournalMutation Research - DNA Repair
Issue number3
StatePublished - Dec 7 1999
Externally publishedYes


  • Comparative genomics
  • DNA repair
  • Gene duplication and gene loss
  • Molecular evolution
  • Orthology and paralogy
  • Phylogenomics

ASJC Scopus subject areas

  • Toxicology
  • Genetics
  • Molecular Biology


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