Electron Microscopy News and Research

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Probing Plasma Membrane Dynamics with Cryo-Electron Microscopy

Cell membranes play a crucial role in maintaining the integrity and functionality of cells. However, the mechanisms by which they perform these roles are not yet fully understood.

25 Jul 2024

High Performance SEM Helps Drive NZ Towards a Smart, Green Future

The existing electron microscopy capabilities have been improved with the installation of a TESCAN CLARA Scanning Electron Microscope (SEM).

24 Jul 2024

Flu Virus Exploits Immune System Weakness to Infect Cells

The majority of influenza viruses enter animal or human cells through particular surface-based pathways. It has recently been found by researchers at the University of Zurich that some influenza viruses, both human and avian, can also enter cells through a second entry point that involves an immune system protein complex.

18 Jul 2024

Real-Time Snapshots of RNA Polymerase Illuminate Transcription Bubble Dynamics

Every living cell transcribes DNA into RNA. This process begins when an enzyme called RNA polymerase (RNAP) clamps onto DNA.

10 Jul 2024

Bridge RNA: The Revolutionary Tool in Genetic Recombination

In a leap forward for genetic engineering, a team of researchers from the Arc Institute have discovered the bridge recombinase mechanism, a precise and powerful tool to recombine and rearrange DNA in a programmable way.

27 Jun 2024

Fruit Fly Motor Circuitry Revealed Through Advanced Mapping Techniques

Work is underway on a wiring diagram of the motor circuits in the central nervous system that control muscles in fruit flies.

27 Jun 2024

Breakthrough in Understanding Connexin-Drug Interactions

Researchers have gained new knowledge of how drugs bind to connexin molecules. These molecules form channels that allow neighboring cells to send direct messages to one another.

27 Jun 2024

New Insights into How Cells Fine-Tune Protein Assembly

Imagine the body as a bustling factory constantly assembling proteins, the building blocks that keep everything running smoothly.

26 Jun 2024

Breakthrough Imaging Reveals the Dynamics of the Brain's Fast-Acting Kainate Receptor

New groundbreaking images of one of the brain's fastest-acting proteins are providing critical clues that may lead to the development of targeted therapies to treat epilepsy and other brain disorders.

18 Jun 2024

Super-Cooled Brain Cell Molecules Shed Light on Epilepsy Drug Action

By super cooling a molecule on the surface of brain cells down to about minus 180 degrees Celsius -; nearly twice as cold as the coldest places in Antarctica -; scientists at Johns Hopkins Medicine say they have determined how a widely-used epilepsy drug works to dampen the excitability of brain cells and help to control, although not cure, seizures.

11 Jun 2024

Structural Insights into a Novel Gene-Editing Tool

Yutaro Shuto, Ryoya Nakagawa, and Osamu Nureki of the University of Tokyo conducted collaborative research to ascertain the spatial organization of different processes within a unique gene-editing instrument known as “prime editor.”

30 May 2024

LoCoHD: A Novel Method for Comparative Protein Structure Analysis

In a paper recently published in Nature Communications, the HUN-REN-ELTE Protein Modeling Research Group (Institute of Chemistry) has laid the foundations for a mathematical method, allowing the computer-assisted comparison of the three-dimensional structures of proteins.

30 May 2024

Unmasking XPD’s Mechanism in DNA Damage Detection and Repair

The way the protein XPD recognizes severe DNA damage and regulates its repair was uncovered by researchers at the University of Würzburg, under the direction of Caroline Kisker and Claudia Höbartner.

29 May 2024

Cryo-EM Reveals Structural Insights Into ADAM17/iRhom2 Complex

Efficient communication between cells is vital for many biological processes, such as recruiting immune cells to combat disease.

24 May 2024

Cryo-EM Study Reveals Cas7-11-CRISPR Complex Regulation Mechanisms

In a recent study published in Signal Transduction and Targeted Therapy, Chinese researchers studied the cryo-electron microscopy structures of the CRISPR-Cas7-11 nuclease, both alone and in complex with the regulatory protein tetratricopeptide repeat fused with Cas/(human enhancer of filamentation 1) HEF1-associated signal transducer (TPR-CHAT).

24 May 2024

Exploring the Evolution of Mitosis: Lessons from Close Relatives of Fungi and Animals

Cell division is one of the most fundamental processes of life. From bacteria to blue whales, every living being on Earth relies on cell division for growth, reproduction, and species survival.

23 May 2024

Mesenchymal stem cell-derived exosomes carrying vincristine sulfate are effective in killing cancer stem cells

Whether loading vincristine sulfate into mesenchymal stem cell-derived exosomes could improve the targeted delivery of the drug specifically to cancer stem cells.

21 May 2024

Bristle Biogenesis of Platynereis dumerilii: Microvilli as Nature's 3D Printers

A new interdisciplinary study led by molecular biologist Florian Raible from the Max Perutz Labs at the University of Vienna provides exciting insights into the bristles of the marine annelid worm Platynereis dumerilii.

14 May 2024

AI Deciphers the Complex Wiring of the Human Brain

Though it may not seem like much, one cubic mm of brain tissue exists. That small square, however, holds 230 mm of blood vessels, 150 million synapses, and 57,000 cells, totaling 1,400 terabytes of data. That is why researchers from Google and Harvard have just achieved something truly amazing.

10 May 2024

Study Reveals Molecular Assembly of One of the Most Common Anti-Phage Systems

One of the many secrets to bacteria's success is their ability to defend themselves from viruses, called phages, that infect bacteria and use their cellular machinery to make copies of themselves.

29 Apr 2024