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DNA replication Archives

Researchers discover that protein switches functions to regulate DNA replication

Jul. 22, 2021—Vanderbilt biochemists have discovered what the DNA damage response protein RADX does — and how it does it.

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Probing DNA damage repair

Jun. 18, 2020—After discovering a new mechanism for DNA damage repair last year, Vanderbilt biochemists now provide direct evidence for how it works.

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Completing DNA synthesis

Oct. 21, 2019—James Dewar and colleagues have identified a role for the enzyme topoisomerase II in reducing replication errors during the final stage of DNA synthesis.

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A catalog of DNA replication proteins

Oct. 3, 2019—Vanderbilt scientists have identified 593 proteins that are enriched at sites of DNA duplication and chromatin packaging of newly synthesized DNA.

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Correctly copying DNA

Mar. 14, 2019—A precise understanding of how the enzyme topoisomerase II cuts DNA could lead to better anti-cancer therapies.

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Novel DNA repair mechanism preserves genome integrity: study

Feb. 28, 2019—Biochemistry investigators at Vanderbilt have discovered a new DNA repair mechanism that prevents gene mutations during DNA replication.

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DNA’s on/off switch

Jan. 17, 2019—DNA-binding “switches” represent a fundamentally new method of communication between DNA-processing enzymes, Vanderbilt researchers propose.

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Genetic balancing act

Aug. 2, 2018—New findings about proteins involved in DNA repair are important for understanding why some cancers are more or less resistant to certain therapies.

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Repriming replication roadblocks

Jun. 12, 2017—New findings shed light on how enzymes that replicate DNA skip over mutations that might cause cancer and restart DNA synthesis further away.

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Team identifies ‘switch’ involved in DNA replication  

Feb. 23, 2017—DNA replication is an extraordinarily complex multi-step process that makes copies of the body’s genetic blueprint. It is necessary for growth and essential to life. Now researchers at the California Institute of Technology (Caltech) and Vanderbilt University have found evidence that one of those steps may involve the telephone-like transmission of electrical signals regulated by a chemical “switch.”

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DNA damage response protein

Oct. 21, 2016—Vanderbilt researchers have determined that a previously uncharacterized protein responds to DNA replication stress and has an essential role in maintaining the integrity of the genome.

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Mechanism of a DNA repair protein

Apr. 15, 2016—Vanderbilt investigators have discovered details about the mechanism of an important DNA repair protein that maintains genome stability.

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