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International Journal of Botany
  Year: 2006 | Volume: 2 | Issue: 1 | Page No.: 23-28
DOI: 10.3923/ijb.2006.23.28
 
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Characterization of a Gene Encoding DNA Repair Protein XRCC3 from Arabidopsis thaliana

Jung-Sup Kim

Abstract:
Many DNA repair genes have been identified by current genome sequencing projects. X-ray cross-complementing group 3 (XRCC3) assists to RAD51 complex for DNA repair and recombination in humans. A gene for XRCC3 (AtXRCC3) was isolated and characterized from Arabidopsis. The AtXRCC3 gene consists of single exon in chromosome 5 in Arabidopsis and contains 915bp open reading frame encoding 304 amino acids. The AtXRCC3 amino acid sequence contains characteristic P-loop for ATP/GTP binding site motif A. It is similar to other RecA/RAD51 family sequences and highly homologous to human XRCC3 with 46% similarity. Yeast cells expressing AtXRCC3 showed resistance to methylmethane sulfonate. These results suggest that AtXRCC3 serves a role for DNA repair and recombination in plants.
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How to cite this article:

Jung-Sup Kim , 2006. Characterization of a Gene Encoding DNA Repair Protein XRCC3 from Arabidopsis thaliana. International Journal of Botany, 2: 23-28.

DOI: 10.3923/ijb.2006.23.28

URL: https://scialert.net/abstract/?doi=ijb.2006.23.28

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