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First-Ever Molecular Movie Shows DNA Unzipping Mechanism in Action

Scientists at the University of Leicester have captured the first detailed "molecular movie" showing DNA being unzipped at the atomic level – revealing how cells begin the crucial process of copying their genetic material.

22 Mar 2025

Visualizing the Fundamental Process of DNA Strand Separation

The exact moment DNA starts to unravel has been seen by scientists for the first time, exposing a chemical process that is essential for DNA to be the molecule that codes for all life.

20 Mar 2025

Understanding RapA's Function in E. coli R-loop Control

From a genetic perspective, it is the worst-case scenario for a bacterium: during transcription, freshly created RNA adheres to its DNA template to form a three-stranded structure called an R-loop.

15 Jan 2025

Researchers Map Influenza Virus RNA Protective Coat at Atomic Level

To fight the virus that causes influenza, one of the avenues being explored by scientists is the development of drugs capable of destabilizing its genome, made up of eight RNA molecules.

17 Dec 2024

BOOSTER Gene: Unlocking New Potential in Photosynthesis and Crop Productivity

The BOOSTER gene enhances photosynthesis in plants, improving efficiency and productivity under varying light conditions, crucial for agricultural advancements.

17 Dec 2024

Versatile Molecule with a New Role in Genome Maintenance

A multi-institutional team of researchers from the Georgia Institute of Technology has uncovered a hitherto unidentified function for RNA.

22 Nov 2024

Discovery of Large Tandem Duplications Opens New Avenues for Cancer Treatment

Cancer researchers at the University of Chicago and the University of California, San Francisco (UCSF) have discovered that mutations in certain genes can lead to the accumulation of DNA errors, resulting in a specific type of genetic change known as large tandem duplications (TDs) that can arise from the collision of two critical cellular processes: transcription and DNA replication.

21 Nov 2024

AI-Driven Insights into Lasso Peptide Biosynthesis

Lasso peptides are natural products made by bacteria. Their unusual lasso shape endows them with remarkable stability, protecting them from extreme conditions. In a new study, published in Nature Chemical Biology, researchers have constructed and tested models for how these peptides are made and demonstrated how this information might be used to advance lasso peptide-based drugs into the clinic.

23 Sep 2024

Study Reveals How Alternative Splicing Regulates Plant Metabolite Production

A recent study highlights the pivotal role of alternative splicing in controlling plant secondary metabolism, which is crucial for producing bioactive compounds with significant medicinal and industrial value.

14 Sep 2024

Crystal Structure of i-Motif DNA Opens Doors for Targeted Drug Design

The first crystal structure of an alternative DNA shape from the insulin gene has been revealed by a UCL-led research team.

9 Sep 2024

A Landmark Study Reveals the Widespread Existence of DNA i-Motifs

Innovative study of DNA's hidden structures may open up new approaches for treatment and diagnosis of diseases, including cancer.

30 Aug 2024

High-Speed Atomic Force Microscopy Reveals Cofilin Binding Patterns in Actin Filaments

Researchers at Kanazawa University report in eLife on deciphering the actin structure-dependent preferential cooperative binding of cofilin.

29 Aug 2024

Cryo-EM Reveals CDCA7's Hemimethylation Sensing in Nucleosome Core Particles

DNA methylation, a process by which methyl groups are added to DNA molecules, is essential for the maintenance of DNA and the overall health of an organism. Disruptions in the standard DNA methylation patterns can lead to immunodeficiency and diseases such as cancer.

27 Aug 2024

Shared Mechanisms in Human and Yeast DNA Replication Revealed

Humans and baker's yeast have more in common than meets the eye, including an important mechanism that helps ensure DNA is copied correctly, reports a pair of studies published in the journals Science and Proceedings of the National Academy of Sciences.

5 Aug 2024