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.

Interbacterial toxins may contribute to bacterial genetic diversity

A toxin produced by bacteria as a defense mechanism causes mutations in target bacteria that could help them survive, according to a study published today in eLife.

24 Feb 2021

Scientists identify new protein that may improve future chemotherapy treatment

Chemotherapy not only attacks cancer cells but also targets all cells in the human body. This is the reason why patients receiving this treatment generally experience adverse side effects, like hair loss, physical weakness, and nausea.

18 Dec 2020

Study reveals novel dimension in the study of protein-protein interactions

Many proteins are required to maintain the structure, and to preserve the genetic integrity, of DNA. Sliding clamps are proteins that increase the efficiency of DNA replication.

11 Dec 2020

New method could help resolve unwanted genetic changes associated with CRISPR-Cas9 technique

A research team has used a novel method that could help resolve the issue of unnecessary genetic changes encountered in the CRISPR-Cas9 technique.

7 Dec 2020

Using 3D mapping techniques to unravel mystery of blood stem cells

Princess Margaret scientists have revealed how stem cells are able to generate new blood cells throughout our life by looking at vast, uncharted regions of our genetic material that hold important clues to subtle biological changes in these cells.

26 Nov 2020

Researchers propose new way to exploit the weaknesses of cancer cells

Each cell in the human body continuously divides to create new cells. This process occurs without humans’ knowledge.

26 Oct 2020

Scientists explain the role of transcription factors in genetic diseases

Transcription factor proteins can be described as the light switches of the human genome. These proteins bind to DNA and allow genes to turn “on” or “off.”

26 Oct 2020

Researchers develop new approach that uses DNA-synthesizing biological enzyme

According to current estimates, the amount of data produced by humans and machines is rising at an exponential rate, with the digital universe doubling in size every two years.

19 Oct 2020

Scientists discern molecular mechanisms underlying plant parasitism and cross-species grafting

Using the model Orobanchaceae parasitic plant Phtheirospermum japonicum, scientists from Nagoya University and other research institutes from Japan have discerned the molecular mechanisms underlying plant parasitism and cross-species grafting, pinpointing enzyme β-1,4-glucanase (GH9B3) as an important contributor to both phenomena.

12 Oct 2020

Genome analysis helps identify 568 cancer driver genes

Analysis of the genomes of 28,000 tumors from 66 types of cancer has led to the identification of 568 cancer driver gene.

18 Aug 2020

New study may offer a novel, potential target for treating breast cancer

According to researchers, G-quadruplexes have been demonstrated to play a crucial role in specific types of breast cancer for the first time.

5 Aug 2020

A novel approach to identify cancer targets using 'synthetic lethality'

With advances in genome sequencing, cancer treatments have increasingly sought to leverage the idea of "synthetic lethality," exploiting cancer-specific genetic defects to identify targets that are uniquely essential to the survival of cancer cells.

28 Jul 2020

Study shows how proteins prevent DNA replication errors

Two rereading proteins on the DNA assembly line collectively work as an emergency stop button to inhibit replication errors.

20 Jul 2020

Scientists report detailed proteomic analysis of human lung adenocarcinoma

A team of Chinese scientists from the State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica under the Chinese Academy of Sciences, the State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, and Shanghai Jiao Tong University, recently reported a comprehensive proteomic analysis based on 103 Chinese patients with lung adenocarcinoma (LUAD), a leading cause of death among all types of cancer worldwide.

10 Jul 2020