フォトリアーゼの構造:DNA修復のために光子エネルギーを利用する
1Department of Chemistry, University of California, Berkeley 94720-1460, USA.
まとめ
No abstract available in PubMed .
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Overview of DNA Repair
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In order to be passed through generations, genomic DNA must be undamaged and error-free. However, every day, DNA in a cell undergoes several thousand to a million damaging events by natural causes and external factors. Ionizing radiation such as UV rays, free radicals produced during cellular respiration, and hydrolytic damage from metabolic reactions can alter the structure of DNA. Damages caused include single-base alteration, base dimerization, chain breaks, and cross-linkage.
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Chemically...
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Overview of DNA Repair
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No description available
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Mismatch Repair
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Overview
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Base-pairing and DNA Repair
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Nucleotide Excision Repair
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Overview
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Base Excision Repair
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One of the common DNA damages is the chemical alteration of single bases by alkylation, oxidation, or deamination. The altered bases cause mispairing and strand breakage during replication. This type of damage causes minimal change to the DNA double helix structure and can be repaired by the base excision repair (BER) pathways. BER corrects damaged DNA sequences by removing the damaged base and restoring the original base sequence using the complementary strand as a template.
The first step of...
The first step of...
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