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How does dexamethasone therapy work in severe COVID-19?

The possible mechanisms that result in dexamethasone being an effective drug against severe SARS-CoV-2 infection are investigated in a new study. The paper’s authors advance the hypothesis that SARS-CoV-2 infection induces cell-specific insensitivity to glucocorticoids, possibly as an unintentional result of the viral replication cycle.

29 Jun 2021

Nanotechnology and the fight against COVID-19

In a review paper published in the open-access MDPI journal Viruses, a team of researchers explored the potential of nanotechnology to alleviate the current and future coronavirus burden. The team focused on its potential role in the detection, diagnosis, protection, and treatment of SARS-CoV-2 infection.

29 Jun 2021

Acidic environment enhances production of butyric acid from apple pectin by fecal microbiota

Researchers from Tallinn University of Technology, Grete Raba, Signe Adamberg, and Kaarel Adamberg showed that an acidic environment enhances the production of butyric acid from apple pectin by fecal bacterial consortia - microbiota.

29 Jun 2021

SARS-CoV-2 test in 20 minutes with FISH

A collaboration from the University of Oxford and the University of Warwick has led to research into a novel method of viral detection through rapid fluorescence in situ hybridization (FISH) in order to effectively detect the SARS-CoV-2 virus within 20 minutes.

29 Jun 2021

Immune response to FDA-approved vaccines is strong and potentially long-lasting

The first two COVID-19 vaccines authorized for emergency use by the Food and Drug Administration (FDA) employed a technology that had never before been used in FDA-approved vaccines.

29 Jun 2021

Researchers design miniaturized 3D-printed device to treat middle ear infections

Middle ear infections, also known as otitis media, affect more than 80% of the children in the U.S. In a new study, researchers have designed a miniaturized 3D-printed device to inactivate Pseudomonas aeruginosa, a common bacterium that causes the infection.

28 Jun 2021

Connective tissue protein promotes immune responses that fight bacterial infections

A connective tissue protein known to support the framework of organs also encourages immune responses that fight bacterial infections, while restraining responses that can be deadly in the condition called sepsis, a new study finds.

28 Jun 2021

RAMBO can cut indexing times for huge DNA databases

Rice University computer scientists are sending RAMBO to rescue genomic researchers who sometimes wait days or weeks for search results from enormous DNA databases.

28 Jun 2021

New molecule extracted from the leaves of chestnut tree neutralizes staph bacteria

Scientists isolated a molecule, extracted from the leaves of the European chestnut tree, with the power to neutralize dangerous, drug-resistant staph bacteria. Frontiers in Pharmacology published the finding, led by scientists at Emory University.

28 Jun 2021

Novel face mask can diagnose Covid-19 in 90 minutes

Engineers at MIT and Harvard University have designed a novel face mask that can diagnose the wearer with Covid-19 within about 90 minutes. The masks are embedded with tiny, disposable sensors that can be fitted into other face masks and could also be adapted to detect other viruses.

28 Jun 2021

Could microalgae-derived antiviral compounds combat SARS-CoV-2 and other viruses?

A new review article published in the journal Antibiotics reports the presence of a large number of bioactive compounds in microalgae that target chemical structures present only in their structure.

28 Jun 2021

Researchers determine molecular structure of bacterial protein complex critical for tuberculosis

Tuberculosis is one of the top ten causes of death worldwide, infecting about one-quarter of the world's population. Although it is treatable, the rise of multidrug-resistant tuberculosis poses a major threat to global health security, and has been declared by the World Health Organization as a global health emergency.

25 Jun 2021

Surprising similarities found in membrane proteins of bacteria and humans

The cells of simple organisms, such as bacteria, as well as human cells are surrounded by a membrane, which fulfills various tasks including protecting the cell from stress.

24 Jun 2021

Scientists identify new virulence mechanism for a surface protein on pneumonia-causing bacteria

A bout with flu virus can be hard, but when Streptococcus pneumonia enters the mix, it can turn deadly.

24 Jun 2021

UCLA scientists discover how immune cells can be trained to fight potential threats

The body's immune cells naturally fight off viral and bacterial microbes and other invaders, but they can also be reprogrammed or "trained" to respond even more aggressively and potently to such threats, report UCLA scientists who have discovered the fundamental rule underlying this process in a particular class of cells.

24 Jun 2021

Researchers shed light on the microbial connection between very-low-calorie diet and weight loss

Researchers at UCSF have found that extreme caloric restriction diets alter the microbiome in ways that could help with weight loss but might also result in an increased population of Clostridiodes difficile, a pathogenic bacterium that can lead to severe diarrhea and colitis.

24 Jun 2021

Study finds no evidence for remdesivir's benefit in severe COVID-19 patients

A new analysis of current data indicates that remdesivir does not show efficacy in regulating the severity of the illness.

23 Jun 2021

Albumin supplementation improves human fertility, fights infection

A new University of California, Irvine-led study reveals albumin (Alb), among the most abundant proteins in the body, activates a proton channel (hHv1), also widespread in the body, giving sperm the ability to penetrate and fertilize an egg, and allowing white blood cells to secrete large amounts of inflammatory mediators to fight infection.

22 Jun 2021

Switching to a balanced diet restores gut health and suppresses skin inflammation

The secret to healthier skin and joints may reside in gut microorganisms. A study led by UC Davis Health researchers has found that a diet rich in sugar and fat leads to an imbalance in the gut's microbial culture and may contribute to inflammatory skin diseases such as psoriasis.

22 Jun 2021

Artificial nose based on carbon dots can sniff out bacteria

A team of scientists at Ben-Gurion University of the Negev (BGU) have invented an artificial nose that is capable of continuous bacterial monitoring, which has never been previously achieved and could be useful in multiple medical, environmental and food applications.

21 Jun 2021

Bacterial News and Research

How does dexamethasone therapy work in severe COVID-19?

Nanotechnology and the fight against COVID-19

Acidic environment enhances production of butyric acid from apple pectin by fecal microbiota

SARS-CoV-2 test in 20 minutes with FISH

Immune response to FDA-approved vaccines is strong and potentially long-lasting

Researchers design miniaturized 3D-printed device to treat middle ear infections

Connective tissue protein promotes immune responses that fight bacterial infections

RAMBO can cut indexing times for huge DNA databases

New molecule extracted from the leaves of chestnut tree neutralizes staph bacteria

Novel face mask can diagnose Covid-19 in 90 minutes

Could microalgae-derived antiviral compounds combat SARS-CoV-2 and other viruses?

Researchers determine molecular structure of bacterial protein complex critical for tuberculosis

Surprising similarities found in membrane proteins of bacteria and humans

Scientists identify new virulence mechanism for a surface protein on pneumonia-causing bacteria

UCLA scientists discover how immune cells can be trained to fight potential threats

Researchers shed light on the microbial connection between very-low-calorie diet and weight loss

Study finds no evidence for remdesivir's benefit in severe COVID-19 patients

Albumin supplementation improves human fertility, fights infection

Switching to a balanced diet restores gut health and suppresses skin inflammation

Artificial nose based on carbon dots can sniff out bacteria

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