Biochemistry · Molecular Biology and Genetics

DNA repair mechanisms

4 min read

Quick Orientation

Section

Definition

Objective
Understand the core idea
Keywords
DNA repair, double-strand break repair

Major Mechanisms of DNA Repair

Objective
Learn the main facts and relationships
Keywords
Major Mechanisms of DNA Repair

Base Excision-Repair

Objective
Learn the main facts and relationships
Keywords
uracil DNA glycosylase, repair DNA polymerase, DNA ligase

Nucleotide Excision-Repair

Objective
Learn the main facts and relationships
Keywords
UV light, excision nuclease (exinuclease)

Mismatch Repair

Objective
Learn the main facts and relationships
Keywords
methylated, GATC endonuclease

Clinical Correlation

Objective
Connect the mechanism to clinical findings
Keywords
Xeroderma pigmentosum (XP), Hereditary nonpolyposis colon cancer (HNPCC)

Definition