Characterization of mutations induced by ethyl methanesulfonate, UV, and trimethylpsoralen in the nematode Caenorhabditis elegans

Keiko Ando, Shohei Mitani

Research output: Contribution to journalArticlepeer-review

139 Citations (Scopus)

Abstract

The genome project of the nematode Caenorhabditis elegans is completed. It is important and useful to disrupt nematode genes to know their function. We treated wild-type animals with potential candidates for mutagens for reverse genetics, EMS (ethyl methanesulfonate), short-wavelength UV, and long-wavelength UV in the presence of TMP (trimethylpsoralen). We estimated forward mutation rates by counting the occurrence of a marker unc-22 mutation. We found that the forward mutation rate by TMP/UV could be comparable with EMS by improving the frequency one order higher than before. We next isolated mutants of another marker gene ben-1 and examined the probability for the deletion mutations by PCR and sequencing. Deletion mutations were found only by TMP/UV method, which suggested TMP/UV is the choice for deletion mutagenesis among these methods. As a pilot experiment, we could isolate actual deletion mutations at a much higher frequency than previously. (C) 2000 Academic Press.

Original languageEnglish
Pages (from-to)64-69
Number of pages6
JournalBiochemical and biophysical research communications
Volume269
Issue number1
DOIs
Publication statusPublished - 2000 Mar 5
Externally publishedYes

Keywords

  • Caenorhabditis elegans
  • Deletion mutant
  • Reverse genetics
  • Trimethylpsoralen

ASJC Scopus subject areas

  • Biophysics
  • Biochemistry
  • Molecular Biology
  • Cell Biology

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