DNA Replication News and Research

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DNA replication, the basis for biological inheritance, is a fundamental process occurring in all living organisms to copy their DNA. This process is "semiconservative" in that each strand of the original double-stranded DNA molecule serves as template for the reproduction of the complementary strand. Hence, following DNA replication, two identical DNA molecules have been produced from a single double-stranded DNA molecule. Cellular proofreading and error-checking mechanisms ensure near perfect fidelity for DNA replication.

Unlocking the potential of melatonin: A promising epigenetic weapon against cancer

Melatonin, a hormone derived from the pineal gland, has diverse effects on cellular processes. This review explores its potential role as an epigenetic regulator, particularly in modulating DNA methylation, and suggests its use in combination therapy as a novel anticancer strategy.

30 May 2023

Identify the underlying mechanism associated with the initiation of focal amplification in breast cancer

Identifying the underlying mechanism associated with the initiation of focal amplification in breast cancer.

19 May 2023

CRISPR-Cas9 system can help reduce adenovirus replication in human cells

The replication of potentially harmful adenoviruses can be significantly reduced in human cells in cell culture by using the so-called CRISPR-Cas9 system ("gene scissors")

29 Apr 2023

A downstream pathway critical for lymphoma development discovered

MYC proteins are important regulators of cancer cell growth, proliferation and metabolism through their ability to increase the expression of proteins involved in these processes.

20 Apr 2023

What is currently known about the mechanisms by which DNA tumor viruses evade uracil-mediated antiviral immunity?

Researchers reviewed the existing knowledge on the mechanisms through which DNA tumor viruses evade the antiviral immunity mediated through mis-incorporated uracil (U).

3 Apr 2023

IU Cancer Center secures new, renewed ACS funding to support research and education programs

As part of a longstanding partnership, the Indiana University Melvin and Bren Simon Comprehensive Cancer Center has received new and renewed funding from the American Cancer Society to support research and education programs.

27 Mar 2023

Study shows SARS-CoV-2 causes DNA damage and elicits an altered DNA damage response

Researchers assessed the association between SARS-CoV-2 infection and DNA damage and cellular senescence.

14 Mar 2023

Using convolutional neural network to automate the identification of chromatid cohesion defects

Scientists from Tokyo Metropolitan University have used machine learning to automate the identification of defects in sister chromatid cohesion.

13 Mar 2023

Genome editing techniques based on bacterial-artificial-chromosome in herpesvirus research

In a recent study published in the Microorganisms journal, researchers in China reviewed the uses of bacterial-artificial-chromosome (BAC)-based genome editing techniques in herpesvirus research.

28 Feb 2023

HKU research advances understanding of the fundamental biological processes of gene regulation

A research team from the University of Hong Kong led by Professor Xiang David Li from the Department of Chemistry in collaboration with Dr Yuanliang Zhai from the HKU School of Biological Sciences and Dr Jason Wing Hon Wong and Dr Xiucong Bao from the HKU School of Biomedical Sciences recently made a key breakthrough in understanding how genetic information encoded in our DNA is 'read' and why errors in 'reading' such information can often lead to developmental defects or cancers.

20 Feb 2023

Researchers discover a new hexameric structure of the RepB protein and how it binds to DNA

In all living organisms, DNA replication is essential to ensure the genetic fidelity of the next generation. However, bacteria can also transfer genetic information horizontally to other bacteria.

3 Feb 2023

Targeting newly discovered signaling pathway could boost the potency of cancer therapeutics

Cells zealously protect the integrity of their genomes, because damage can lead to cancer or cell death. The genome -; a cell's complete set of DNA -; is most vulnerable while it is being duplicated before a cell divides. Cancer cells constantly are dividing, so their genomes are constantly in jeopardy.

24 Jan 2023

Study uncovers protein that acts as a brake for DNA replication

A protein that prepares DNA for replication also prevents the replication process from running out of control, according to a new study by Weill Cornell Medicine researchers.

24 Jan 2023

Unique mass spectrometry-based approach to study specific changes in DNA after replication

A new method to study specific changes in DNA after replication has been published as a technical report in Nature Cell Biology.

12 Jan 2023

An updated framework for understanding the biology of the bacterial system

Nobody wants to be average. But for a long time, scientists have found it convenient to think of bacterial cells as just that: "average."

9 Jan 2023

New research on DNA-repair enzyme could help enhance cancer drug development

Researchers from Rice University and St. Jude Children's Research Hospital in Memphis, Tennessee, took a close look at one of ways cells repair broken strands of DNA and discovered details that could help make a particular enzyme a promising target for precision cancer therapy.

6 Jan 2023

Cryo-microscopy reveals high-resolution structure of monkeypox virus DNA polymerase holoenzyme

Using cryo-microscopy, researchers present a high-resolution structure of monkeypox virus DNA polymerase holoenzyme, a complex that plays a key role in the genome replication process of the virus.

16 Dec 2022

Better understanding of DNA repair mechanism may pave the way for effective cancer treatments

Better understanding of the mechanisms involved in DNA repair may pave the way for developing inhibitors to improve the effectiveness of radiation therapy.

9 Dec 2022

Scientists discover how an enzyme involved in DNA repair becomes vital to tumor survival

Scientists at the Francis Crick Institute, in collaboration with Artios, have identified how an enzyme involved in DNA repair (POLQ), becomes vital to the survival of certain cancers, if the cancer cells lose the ability to use a more common method of DNA repair.

30 Nov 2022

Error-prone DNA replication and repair may lead to cancer in people with inherited BRCA1 mutations

Error-prone DNA replication and repair may lead to mutations and cancer in individuals who inherit a mutant copy of the BRCA1 gene, according to a new study by Weill Cornell Medicine investigators.

15 Nov 2022