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New Insights into How Nitrogenase Enzyme Survives Oxygen Exposure

Nitrogen is an essential component in the production of amino acids and nucleic acids - both necessary for cell growth and function.

9 Jan 2025

AI-Designed Nanocages Mimic Intricate Structures of Viruses

Professor Sangmin Lee from POSTECH's Department of Chemical Engineering, in collaboration with 2024 Nobel Chemistry Laureate Professor David Baker from the University of Washington, has developed an innovative therapeutic platform by mimicking the intricate structures of viruses using artificial intelligence (AI).

26 Dec 2024

Stress Pathway in Microglia Found to Contribute to Alzheimer's Neurodegeneration

Researchers with the Advanced Science Research Center at the CUNY Graduate Center (CUNY ASRC) have unveiled a critical mechanism that links cellular stress in the brain to the progression of Alzheimer's disease (AD).

26 Dec 2024

High-Resolution Technique Maps Ribosome Elongation Cycle

At one time or another, most of us have played with a flipbook, using our thumbs to rapidly flip a series of pictures to create an illusion of movement.

20 Dec 2024

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

New Study Challenges Traditional View of Axon Shape and Function

In a provocative new study, scientists challenge a fundamental tenet in neuroscience about the shape of axons -- the long, thin filaments radiating from nerve cells that transmit electrical signals from cell to cell – and propose a new model for understanding how information is transmitted in the brain.

9 Dec 2024

Unmasking the Molecular Mechanisms of Hepatitis B Virus Entry

An infection with the hepatitis B virus (HBV), which is spread by blood or bodily fluids, is one of the main causes of chronic liver diseases. The World Health Organization reports that there are 1.2 million new HBV infections worldwide each year.

4 Dec 2024

New Discovery Redefines the Shape of Axons in Mammalian Brain Cells

Biology textbooks may need a revision, say Johns Hopkins Medicine scientists, who present new evidence that an armlike structure of mammalian brain cells may be a different shape than scientists have assumed for more than a century.

3 Dec 2024

The Role of Trifunctional Enzymes in Antibiotic Production

Biochemists at the National University of Singapore (NUS) have identified a new subclass of trifunctional enzymes in gram-positive bacteria that play an important role in the manufacture of an antibiotic lanthipeptide.

2 Dec 2024

The Role of RNA Polymerase and Ribosomes in Gene Expression

DNA within a cell contains the genetic instructions necessary for building proteins.

29 Nov 2024

Breakthrough in Understanding DNA Gyrase Paves Way for New Antibiotics

Researchers from Durham University, Jagiellonian University (Poland) and the John Innes Centre have achieved a breakthrough in understanding DNA gyrase, a vital bacterial enzyme and key antibiotic target.

27 Nov 2024

New Imaging Method Unlocks Secrets of RNA Folding Dynamics

In a groundbreaking development, researchers from the United States and Denmark have successfully captured 3D images of individual RNA nanoparticles in the midst of their folding process.

26 Nov 2024

EPFL Brain Models Break New Ground in Understanding Neural Connectivity

The hippocampus is one of the most fascinating brain regions. Associated with the formation of memories, it also helps us to navigate through the world without getting lost.

23 Nov 2024

New Insights into the Molecular Basis of Mitochondrial Diseases

A significant finding about the energy production process of human cells has been made by researchers at the Karolinska Institute's Department of Cell and Molecular Biology.

11 Nov 2024

Chloroplast-Infused Cells Revolutionize Tissue Engineering

Recent research from Japan has demonstrated that chloroplasts from algae can be integrated into hamster cells, allowing these cells to perform photosynthesis.

1 Nov 2024

3D Structure of Artificial Photosynthetic Antenna Protein Complex Revealed

Humans can do plenty, but plants have an ability we don't: they make energy straight from sunlight, a superpower called photosynthesis. Yet new research shows that scientists are closing that gap.

29 Oct 2024

Novel Mechanism for GRB2-SOS1-Mediated Liquid-Liquid Phase Separation

Researchers at Tokyo Metropolitan University have discovered new details about how the proteins GRB2 and SOS1 in cells transmit signals from membrane receptors to nuclei.

28 Oct 2024

Cryo-EM Technology Paves the Way for Major Biological Discovery

Ben Orlando's research talk at MSU's Department of Biochemistry and Molecular Biology in 2019 laid the groundwork for a team effort that had been developing for decades.

25 Oct 2024

Structural Insights into Bacteriophages Open Doors for New Therapeutics

The viruses that infect bacteria are the most abundant biological entities on the planet. For example, a recent simple study of 92 showerheads and 36 toothbrushes from American bathrooms found more than 600 types of bacterial viruses, commonly called bacteriophages or phages.

23 Oct 2024

Phages Form Unique 3D Shapes, Boosting Disease Detection

While preparing slides to be examined under a powerful microscope, a team of McMaster researchers who frequently work with bacteriophage viruses that consume bacteria had a pleasant and potentially very significant surprise.

22 Oct 2024