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Scientists Discover Viruses That Can Deactivate Dangerous Bacteria Section 1: The Growing Problem With Antibiotic-Resistant Bacteria

Bacterial infections are getting more difficult to treat, particularly in hospitals and other healthcare settings. This is because many germs are becoming antibiotic-resistant. In 2017, nearly 30,000 multi-drug resistant Pseudomonas aeruginosa infections were reported among hospitalised patients in the United States. P. aeruginosa is a bacterium that can cause severe infections in the blood, lungs, and other regions of the body. How Viruses Help Fight Bacteria Scientists at Texas A&M AgriLife Research discovered a new technique to combat these hazardous bacteria. They are researching viruses called bacteriophages, or phages, which can infect and destroy bacteria. The researchers discovered that a phage named PP7 may connect to a component of the P. aeruginosa bacteria known as the pilus. The pilus acts like a spear, allowing bacteria to move around and disseminate antibiotic resistance to other bacteria. When the PP7 phage connects to the pilus, the bacteria pushes it to the surfac...

Cutting calories may reduce cellular ageing and increase lifetime.

State College, Pennsylvania — Penn State researchers are presenting fresh persuasive data linking diets to ageing. Their study focused on telomeres, the genetic "end caps" that protect our chromosomes, and how calorie restriction impacts them. The scientists studied data from a two-year trial of caloric restriction in humans and published their findings in the journal Ageing Cell. They discovered that those who restricted their calories lost telomeres at different rates than the control group. Despite this, both groups concluded the research with roughly identical telomere lengths. Previous research found that reducing calories by 20 to 60 percent resulted in prolonged life for a variety of species. When a person's cells split, some telomeres are lost as chromosomes are copied to a new cell. The cell's telomeres are then shortened in total. The telomere cap eventually disappears as cells divide. The genetic information on the chromosome becomes more vulnerable to de...

DUI without alcohol? A rare syndrome in the intestines may be the culprit.

Imagine you are a police officer. You see a car swerving all over the road. You pull over the driver, and they are plainly inebriated. They insist, with slurred speech, that they haven't consumed any alcohol all day. Do you believe them? In 2024, a Belgian man was acquitted after being arrested three times for DUI in four years. Though his position at a brewery raised suspicions, he asserted that he had not been drinking. Three doctors confirmed that he had auto-brewery syndrome and was ignorant. People with this illness have microorganisms in their intestines that produce abnormally high levels of alcohol when they break down sugars and carbs. Though it is an uncommon condition, a lady was acquitted of a DUI conviction in 2016 after being diagnosed with the same syndrome. Her blood alcohol level was four times the legal limit. I am a microbiologist who is fascinated by how the gut microbiome influences human health. As the author of the book "Pleased to Meet Me: Genes, G...

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