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Toadlet peptide transforms into a deadly weapon against bacteria

Researchers at the Technion – Israel Institute of Technology and EMBL Hamburg have discovered remarkable molecular properties of an antimicrobial peptide from the skin of the Australian toadlet. The discovery could inspire the development of novel.....»»

Category: topSource:  physorgJan 14th, 2021

New class of antimicrobials discovered in soil bacteria

Researchers have discovered toxic protein particles, shaped like umbrellas, that soil bacteria known as Streptomyces secrete to squelch competitors, especially others of their own species......»»

Category: topSource:  physorgRelated NewsApr 17th, 2024

Climate change is wiping out rare bacteria in a "greening" Antarctica

Plenty is known about the existential threat of climate change to plants and animals. But by comparison, we know very little about how microorganisms will be affected by climate change......»»

Category: topSource:  physorgRelated NewsApr 17th, 2024

Improved mid-infrared nanoscopy enables 30 times clearer view of the insides of bacteria

A team at the University of Tokyo have constructed an improved mid-infrared microscope, enabling them to see the structures inside living bacteria at the nanometer scale. Mid-infrared microscopy is typically limited by its low resolution, especially.....»»

Category: topSource:  physorgRelated NewsApr 17th, 2024

Multi-drug resistant bacteria found on International Space Station mutate to become functionally distinct

Principal Investigator Dr. Kasthuri Venkateswaran of NASA's Jet Propulsion Laboratory led a team that studied 13 strains of the bacterial species Enterobacter bugandensis that were isolated from the International Space Station (ISS). E. bugandensis i.....»»

Category: topSource:  physorgRelated NewsApr 17th, 2024

Scientists discover how soil microbes survive in harsh desert environments

Prolonged droughts followed by sudden bursts of rainfall—how do desert soil bacteria manage to survive such harsh conditions? This long-debated question has now been answered by an ERC project led by microbiologist Dagmar Woebken from the Centre fo.....»»

Category: topSource:  physorgRelated NewsApr 17th, 2024

Silver-based micromotors that eliminate bacteria can move freely in aqueous media

Researchers at ICIQ in Tarragona have developed a simple technique to produce microscopic crystals that activate in the presence of light, releasing silver ions with antimicrobial activity......»»

Category: topSource:  physorgRelated NewsApr 17th, 2024

Uranium-immobilizing bacteria in clay rock: Exploring how microorganisms can influence the behavior of radioactive waste

When designing repositories for high-level radioactive waste in deep geological layers, various factors must be carefully considered to ensure their long-term safety. Among other things, natural communities of microorganisms can influence the behavio.....»»

Category: topSource:  physorgRelated NewsApr 16th, 2024

US Navy warships shot down Iranian missiles with a weapon they"ve never used in combat before

US Navy warships shot down Iranian missiles with a weapon they"ve never used in combat before.....»»

Category: topSource:  pcmagRelated NewsApr 16th, 2024

NASA discovered bacteria that wouldn"t die. Now it"s boosting sunscreen.

While disinfecting spacecraft headed for Mars, NASA found a stubborn type of bacteria that was tough to clean but great at withstanding UV radiation. Many people associate NASA with exploring new worlds in space, but few know it's also finding.....»»

Category: topSource:  pcmagRelated NewsApr 15th, 2024

New study reveals novel approach for combating "resting" bacteria

Most disease-causing bacteria are known for their speed: In mere minutes, they can double their population, quickly making a person sick. But just as dangerous as this rapid growth can be a bacterium's resting state, which helps the pathogen evade an.....»»

Category: topSource:  physorgRelated NewsApr 12th, 2024

Scientists discover first nitrogen-fixing organelle

Modern biology textbooks assert that only bacteria can take nitrogen from the atmosphere and convert it into a form that is usable for life. Plants that fix nitrogen, such as legumes, do so by harboring symbiotic bacteria in root nodules. But a recen.....»»

Category: topSource:  physorgRelated NewsApr 12th, 2024

Scientists find blue light makes buildings more deadly to migrating birds

Bird collisions with buildings are nothing new, but a new study by scientists at The University of New Mexico sheds light on a potential cause......»»

Category: topSource:  physorgRelated NewsApr 11th, 2024

Researchers resolve old mystery of how phages disarm pathogenic bacteria

Bacterial infections pose significant challenges to agriculture and medicine, especially as cases of antibiotic-resistant bacteria continue to rise. In response, scientists at Texas A&M AgriLife Research are elucidating the ways that bacteria-infecti.....»»

Category: topSource:  physorgRelated NewsApr 11th, 2024

A microbial plastic factory for high-quality green plastic

Engineered bacteria can produce a plastic modifier that makes renewably sourced plastic more processable, more fracture-resistant and highly biodegradable even in seawater. The Kobe University development provides a platform for the industrial-scale,.....»»

Category: topSource:  physorgRelated NewsApr 10th, 2024

Destiny 2: The Final Shape’s new subclass combines light and dark

Destiny 2: The Final Shape's latest gameplay preview highlighted its Prismatic subclass and exotic weapon changes......»»

Category: topSource:  digitaltrendsRelated NewsApr 9th, 2024

We can"t eradicate deadly cane toads—but there"s a way to stop them killing wildlife

Australia can claim more than its fair share of environmental blunders, but the introduction of cane toads in 1935 surely ranks as one of the worst......»»

Category: topSource:  physorgRelated NewsApr 9th, 2024

Drug delivery innovation: Multifunctional system based on switchable peptide-stabilized emulsions

A new study led by Prof. Meital Reches of the Hebrew University with Mr. Daniel Boas, a Ph.D. student in her group and team of collaborators, has pioneered a new drug delivery system centered on switchable peptide-stabilized emulsions......»»

Category: topSource:  physorgRelated NewsApr 9th, 2024

Kamikaze bacteria explode into bursts of lethal toxins

If you make a big enough toxin, it's difficult to get it out of the cells. Enlarge / The plague bacteria, Yersina pestis, is a close relative of the toxin-producing species studied here. (credit: Callista Images) Life-fo.....»»

Category: topSource:  arstechnicaRelated NewsApr 9th, 2024

Scientists discover new phage resistance mechanism in phage-bacterial arms race

One of the most abundant and deadliest organisms on Earth is a virus called a bacteriophage (phage). These predators have lethal precision against their targets—not humans, but bacteria. Different phages have evolved to target different bacteria an.....»»

Category: topSource:  physorgRelated NewsApr 8th, 2024

When an antibiotic fails: Scientists are using AI to target "sleeper" bacteria

Since the 1970s, modern antibiotic discovery has been experiencing a lull. Now the World Health Organization has declared the antimicrobial resistance crisis as one of the top 10 global public health threats......»»

Category: topSource:  physorgRelated NewsApr 8th, 2024