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Recognition for Discoveries in DNA Repair.

08:00 EDT 15th August 2019 | BioPortfolio

Summary of "Recognition for Discoveries in DNA Repair."

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This article was published in the following journal.

Name: The New England journal of medicine
ISSN: 1533-4406
Pages: 677-679

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Medical and Biotech [MESH] Definitions

The reconstruction of a continuous two-stranded DNA molecule without mismatch from a molecule which contained damaged regions. The major repair mechanisms are excision repair, in which defective regions in one strand are excised and resynthesized using the complementary base pairing information in the intact strand; photoreactivation repair, in which the lethal and mutagenic effects of ultraviolet light are eliminated; and post-replication repair, in which the primary lesions are not repaired, but the gaps in one daughter duplex are filled in by incorporation of portions of the other (undamaged) daughter duplex. Excision repair and post-replication repair are sometimes referred to as "dark repair" because they do not require light.

DNA repair proteins that include the bacterial MutS DNA mismatch-binding protein and its eukaryotic homologs that function in DNA MISMATCH REPAIR and recombination of DNA during MEIOSIS. MutS has a conserved mismatch recognition domain characterized by GxFxE, or similar AMINO ACID MOTIFS that also occur in eukaryotic homologs such as MSH1, MSH6, and MSH8. All MutS proteins also contain a highly-conserved ATP-binding domain and most have weak ATPase activity.

A DNA repair enzyme that catalyzes DNA synthesis during base excision DNA repair. EC 2.7.7.7.

A family of RNA-BINDING PROTEINS that contain an RNA RECOGNITION MOTIF and two ribonucleoprotein (RNP) domains which bind RNA, in addition to other domains that allow for high affinity binding, sequence specificity, and protein interactions. Examples of RNA recognition motif proteins include HETEROGENEOUS NUCLEAR RIBONUCLEARPROTEINS (hnRNP) and EMBRYONIC LETHAL ABNORMAL-VISION (ELAV) proteins.

The repair of DOUBLE-STRAND DNA BREAKS by rejoining the broken ends of DNA to each other directly.

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