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Published on: November 12, 2012

Sequence analysis and expression of a novel mouse homolog of Escherichia coli recA gene

M Kawabata1, K Saeki

  • 1Department of Pharmacology, Okayama University Medical School, 2-5-1 Shikata-cho, Okayama 700, Japan. mbat@med.okayama-u.ac.jp

Biochimica Et Biophysica Acta
|July 10, 1998
PubMed

Insights

Researchers discovered a new mouse gene, MmTRAD, similar to E. coli recA. This gene is involved in DNA repair and recombination, and is expressed in all mouse tissues.

Area of Science:

  • Molecular Biology
  • Genetics
  • Biochemistry

Background:

  • The recA gene in Escherichia coli and its homologs RAD51 and DMC1 in yeast are essential for DNA repair and recombination processes.
  • These proteins are critical for maintaining genomic stability during cell division.

Purpose of the Study:

  • To identify and characterize novel genes in mammals with functions analogous to recA.
  • To investigate the potential role of a newly identified mouse gene, MmTRAD, in DNA repair and recombination pathways.

Main Methods:

  • Bioinformatic analysis to predict protein homology.
  • Northern blot analysis to determine gene expression patterns in various mouse tissues.

Main Results:

  • Identification of a novel murine recA-like gene, designated MmTRAD.
  • The predicted MmTRAD protein (329 amino acids) exhibits significant homology to known recA-like proteins, including mouse Rec2, Rad51, Dmc1, and E. coli RecA.
  • Northern blot analysis confirmed ubiquitous transcription of MmTRAD across different mouse tissues.

Conclusions:

  • MmTRAD represents a novel mammalian member of the recA-like gene family.
  • The ubiquitous expression suggests a fundamental role for MmTRAD in cellular processes, likely DNA repair and/or recombination, in mice.

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