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Silver attacks bacteria, gets "consumed"

For millennia, silver has been utilized for its antimicrobial and antibacterial properties. Although its use as a disinfectant is widely known, the effects of silver's interaction with bacteria on the silver itself are not well understood......»»

Category: topSource:  physorgMay 25th, 2021

Bacteria for climate-neutral chemicals of the future

Researchers at ETH Zurich have engineered bacteria in the laboratory to efficiently use methanol. The metabolism of these bacteria can now be tapped into to produce valuable products currently made by the chemical industry from fossil fuels......»»

Category: topSource:  physorgRelated NewsApr 23rd, 2024

Researchers uncover details of how bacteria build protective barriers, may inform new antibiotics

Yale researchers have uncovered new details on how bacteria like E. coli build their protective barriers, which will inform new antibiotic development......»»

Category: topSource:  physorgRelated NewsApr 22nd, 2024

Here’s how to protect against iPhone password reset attacks [U]

One of the latest attacks on iPhone sees malicious parties abuse the Apple ID password reset system to inundate users with iOS prompts to take over their accounts. Here’s how you can protect against iPhone password reset attacks (often called “MF.....»»

Category: topSource:  marketingvoxRelated NewsApr 21st, 2024

Week in review: Palo Alto firewalls mitigation ineffective, PuTTY client vulnerable to key recovery attack

Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: Palo Alto firewalls: Public exploits, rising attacks, ineffective mitigation While it initially seemed that protecting Palo Alto Network firewalls f.....»»

Category: securitySource:  netsecurityRelated NewsApr 21st, 2024

The GMO tooth microbe that is supposed to prevent cavities

Some experts have concerns over the safety of the genetically modified bacteria. Enlarge (credit: zhangshuang via Getty) About seven years ago, Aaron Silverbook and his then-girlfriend, a biologist, were perusing old sci.....»»

Category: topSource:  arstechnicaRelated NewsApr 20th, 2024

Lemur"s lament: When one vulnerable species stalks another

What can be done when one threatened animal kills another? Scientists studying critically endangered lemurs in Madagascar confronted this difficult reality when they witnessed attacks on lemurs by another vulnerable species, a carnivore called a fosa.....»»

Category: topSource:  physorgRelated NewsApr 20th, 2024

Reintroduced wolves kill four yearling cattle in latest of string of livestock attacks in Colorado

Wolves killed several yearling cattle in north-central Colorado this week, bringing the total number of wolf kills of livestock this month to six......»»

Category: topSource:  physorgRelated NewsApr 19th, 2024

LastPass users targeted in phishing attacks good enough to trick even the savvy

Campaign used email, SMS, and voice calls to trick targets into divulging master passwords. Enlarge (credit: Getty Images) Password-manager LastPass users were recently targeted by a convincing phishing campaign that use.....»»

Category: topSource:  arstechnicaRelated NewsApr 18th, 2024

Mobile genetic elements can inadvertently suppress bacterial immune systems, research reveals

Bacterial restriction-modification systems are responsible for protecting cells from foreign genetic material, for example, bacteriophages and plasmids. Immune systems require strict regulation, as bacteria, like humans, can have autoimmune reactions.....»»

Category: topSource:  physorgRelated NewsApr 18th, 2024

Soil bacteria link their life strategies to soil conditions: Study

Soil bacteria help regulate the cycling of carbon and nutrients on Earth. Over time, these bacteria have evolved strategies that determine where they live, what they do, and how they deal with a changing environment. However, microbiologists do not f.....»»

Category: topSource:  physorgRelated NewsApr 17th, 2024

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

Palo Alto firewalls: Public exploits, rising attacks, ineffective mitigation

While it initially seemed that protecting Palo Alto Network firewalls from attacks leveraging CVE-2024-3400 would be possible by disabling the devices’ telemetry, it has now been confirmed that this mitigation is ineffectual. “Device tele.....»»

Category: securitySource:  netsecurityRelated 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

Attackers are pummeling networks around the world with millions of login attempts

Attacks coming from nearly 4,000 IP addresses take aim at VPNs, SSH and web apps. Enlarge (credit: Matejmo | Getty Images) Cisco’s Talos security team is warning of a large-scale credential compromise campaign that’s.....»»

Category: topSource:  arstechnicaRelated NewsApr 16th, 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

Cisco Duo says a third-party data breach stole MFA SMS logs

Hackers stole Cisco Duo customers' phone numbers, and the company is warning of possible incoming smishing attacks......»»

Category: topSource:  theglobeandmailRelated NewsApr 16th, 2024