Electron Microscopy News and Research

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Some Promising Human Antibodies can Fight New Variants of SARS-CoV-2

An anonymous San Diego resident has become a fascinating example of how the human immune system fights SARS-CoV-2.

27 Apr 2023

Research Deepens Our Understanding of Circadian Rhythm Regulation

New research from a multidisciplinary team helps to illuminate the mechanisms behind circadian rhythms, offering new hope for dealing with jet lag, insomnia and other sleep disorders.

27 Apr 2023

New Gene Therapy may be on the Horizon for Usher Syndrome Type 1F

Usher Syndrome type 1F is a rare but severe genetic disease that causes deafness, lack of balance, and progressive blindness.

27 Apr 2023

Capturing Viruses in a Lipid Trap

Viruses like influenza A and Ebola invade human cells in a number of steps. In an interdisciplinary approach, research teams from Heidelberg University and Heidelberg University Hospital investigated the final stages of viral penetration using electron tomography and computer simulations.

26 Apr 2023

Augmenting Anatomical EM Images with Multiplexed Gene Expression Maps

Special reporter proteins created by a research team guided by the Technical University of Munich may now aid in molecular discovery.

19 Apr 2023

Two Molecular Mechanisms Combine to Make the Bacterium Extra Resistant

When the intestinal flora is killed by antibiotics, a species of ordinary gut bacteria that humans carry flourishes. Because the bacteria are naturally immune to many drugs, it poses complications, especially in healthcare settings.

18 Apr 2023

Entry of Aging-Associated Enzymes into Human Genetic Material

An enzyme that controls aging and other metabolic processes accesses human genetic material to modify gene expression within the cell, according to a new study. Images of a sirtuin enzyme bound to a nucleosome, a tightly packed complex of DNA and proteins called histones, have been created by a team led by Penn State researchers.

17 Apr 2023

Tiny Protein Interacts with Ion Channels to Make Our Eyes Sensitive to Dim Light

Using cryo-electron microscopy and mass spectrometry, researchers from PSI have deciphered the structure of an ion channel found in the eye while it interacts with the protein calmodulin – a structure that has eluded scientists for three decades.

4 Apr 2023

Researchers Explain How a Single Mutation Causes Ataxia

Worldwide, only a handful of patients are known to suffer from episodic ataxia type 6, a neurological disease that causes transient loss of muscle control.

4 Apr 2023

UConn Health scientists explain why Shigella bacteria can infect humans but not mice

Shigella bacteria can infect humans but not mice. In the March 29 issue of Nature, a team from UConn Health explains why. Their findings may explain the multifariousness of a key weapon of our immune system.

31 Mar 2023

Determining the structure of protein pumps using cryo-EM

A rare, genetic disorder known as Hailey-Hailey disease causes patches of blisters to develop mainly in the folds of skin under the breasts, in the groin, and the armpits.

29 Mar 2023

The protein synthesis mechanism in the Giardia parasite

Cryo-electron microscopy was employed by Uppsala University researchers to reveal information on the protein synthesis mechanism in the parasite Giardia intestinalis, which causes diarrhea. The new findings could help in the development of specific medicines to combat Giardia and other protozoan parasites.

20 Mar 2023

New antibody "cocktail" may help counter the Lassa virus

The finding, made with the use of the Advanced Photon Source, shows a new way to exploit monoclonal antibodies to subvert the "shield" of the virus, potentially paving the way for new therapies.

20 Mar 2023

Using PET and electron microscopy to generate 3D maps of mitochondrial networks in lung tumors

Scientists have long known that mitochondria, the "powerhouses" of cells, play a crucial role in the metabolism and energy production of cancer cells.

16 Mar 2023

First molecular images of olfaction sets the stage to create novel smells

Breaking a longstanding impasse in our understanding of olfaction, scientists at UC San Francisco (UCSF) have created the first molecular-level, 3D picture of how an odor molecule activates a human odorant receptor, a crucial step in deciphering the sense of smell.

16 Mar 2023

Merging cryo-TEM and tomography methods to reveal 3D morphology of dendrites

Documenting the lithiation process in TEM can provide a deep understanding of the electrode degradation mechanism during battery cycling, which enhances material modification for improved performance. The research was guided by Prof. Dong Su (Institute of Physics, Chinese Academy of Sciences).

15 Mar 2023

Uncovering the complete 3D structure of p53 protein

By inducing cell repair or self-destruction, the tumor suppressor protein p53, often known as “the guardian of the genome,” shields the body’s DNA from daily stress or long-term damage.

2 Mar 2023

Nanosatellite paves the way for developing RNA-based medicines

Researchers from Aarhus University and Berkeley Laboratory have designed RNA molecules, that folds into nanoscale rectangles, cylinders, and satellites, and have studied their 3D structure and dynamics with advanced nanotechnological methods.

28 Feb 2023

New center offers electron microscope services to the scientific community

The Joint Electron Microscopy Center at ALBA (JEMCA) was established through the collaboration of various research agencies to open a new center within the ALBA Synchrotron building that provides electron microscope assistance to the scientific community.

27 Feb 2023