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How Epigenetic Landscape Impacts Pioneer Transcription Factor Binding

St. Jude Children’s Research Hospital researchers are investigating how a type of transcription factor known as a pioneer transcription factor reaches DNA even when it is tightly wrapped.

25 May 2023

TTUHSC Professor Awarded NIH Grant for Potassium Channel Study

Each living cell has small, highly specialized conduits called potassium (K+) channels, which are responsible for the highly selective and fast transfer of K+ ions across cell membranes.

19 May 2023

Study Provides a New Picture of How Bacterial Cells Repair Faulty DNA

A new study adds to an emerging, radically new picture of how bacterial cells continually repair faulty sections of their DNA.

17 May 2023

Long-Ignored Antibiotic may Provide Much-Needed Protection Against Multi-Drug Resistant Bacteria

An old antibiotic may provide much-needed protection against multi-drug resistant bacterial infections, according to a new study publishing May 16th in the open access journal PLOS Biology by James Kirby of Harvard Medical School, US, and colleagues.

17 May 2023

Fecal Microbiota Transplantation to Help in Clostridioides difficile Infection

In Europe, Clostridioides difficile infection results in severe diarrhea and leads to the death of around 20,000 patients, every year. It is one of the most common hospital-acquired infections.

16 May 2023

AI Used to Create 3D Model of 'Postal Workers' in Human Cells

University of Queensland researchers have used artificial intelligence to build a 3D map of key cell components to better understand dementia and infectious diseases including COVID-19.

12 May 2023

Researchers Develop a System to Deliver Antioxidants to the Mitochondria

A new drug delivery system delivers an antioxidant directly to mitochondria in the liver, mitigating the effects of oxidative stress.

11 May 2023

Understanding the Process of Gene Regulation Using Cryogenic Electron Microscopy

LMU researchers show detailed displacement process of TBP transcription factor from DNA by Mot1 enzyme.

2 May 2023

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