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Gut microbes key to understanding how exercise boosts cancer immunity

A new study from the University of Pittsburgh shows exercise improves cancer outcomes and enhances response to immunotherapy in mice by reshaping the gut microbiome. The research found that a specific compound called formate, produced by gut bacteria in exercised mice, was associated with better outcomes in patients with melanoma.

Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

When it comes to bad breath, some bacterial interactions really stink

Researchers from Osaka University discovered that a specific bacterial interaction causes the production of methyl mercaptan, a major contributor to bad breath. The interaction between Streptococcus gordonii and Fusobacterium nucleatum leads to increased methyl mercaptan production, which is driven by methionine metabolism.

A bacterial toolkit for colonizing plants

Scientists have identified a core set of genes required by commensal bacteria to colonize plant hosts, enabling more efficient colonization and potential benefits for plant health. The discovery may lead to the development of beneficial bacteria for sustainable agriculture and medical applications.

Microplastics are harming gut health

A study by McGill University found that microplastic pollution alters the gut microbiomes of seabirds, increasing pathogens and antibiotic-resistant microbes. The research warns humans to be wary of microplastics in their environment and food, as they can also impact human health.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Good news for patients waiting for stoma reversal surgery

A recent study led by Dr Rachael Rigby from Lancaster University found that delays in stoma reversal surgery do not impact on risk of complications or commensal microflora loss, atrophy, or scarring. However, a higher degree of microflora loss is associated with an increased risk of complications.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

How gut bacteria evade the immune system

Researchers identified a new type of flagellin in the human gut that binds to Toll-like receptor 5 without inducing an inflammatory response. This discovery provides a mechanism for the immune system to tolerate beneficial microbes while remaining responsive to pathogens.

Microbial food chain: Nutritional interactions promoting periodontitis

Researchers led by Osaka University found that Fusobacterium nucleatum produces polyamines through metabolic cross-feeding, creating favorable conditions for periodontal pathogens to grow and spread. This integration of a metabolic network within the oral microbiome may promote the development of periodontitis.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Bacteria in donor organs complicate immune response after transplantation

A study by researchers from the University of Chicago reveals that bacteria in donated organs complicate the immune response after transplantation. The findings show that immune responses against commensal bacteria add to the rejection of the organ, reducing the effectiveness of immunosuppressive drugs and causing damage to the graft.

Friendly fungi announce themselves to their hosts

Scientists discovered that commensal fungi like Candida albicans need to be alive and actively producing proteins to elicit a beneficial immune response. The fungus oscillates between high and low expression of the UME6 gene, signaling its benefits to the body.

SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Mechanism revealed for spread of antibiotic resistance among bacteria

Researchers from the University of Tsukuba discovered a mechanism for the transfer of antibiotic resistance among Staphylococcus aureus bacteria through natural transformation. The study found that biofilm formation promotes horizontal gene transfer, which can lead to the spread of methicillin resistance.

‘Nanozyme’ therapy prevents harmful dental plaque build-up

A study by the University of Pennsylvania and Indiana University found that a nanozyme therapy, combining ferumoxytol and hydrogen peroxide, significantly reduced the buildup of harmful dental plaque and targeted bacteria responsible for tooth decay. The treatment effectively killed Streptococcus mutans bacteria while leaving other ora...

A simple compound to control complex gut microbes

Researchers at RIKEN discovered that acetate triggers an immune response against harmful bacteria by increasing IgA production and altering the balance of intestinal bacteria. The study suggests that acetate can be used to regulate the gut microbiome and prevent disease.

Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Gut bacteria in multiple sclerosis: Probiotic or commensal, good or bad?

A study published in Proceedings of the National Academy of Sciences found that Lactobacillus reuteri, a commonly used probiotic, can exacerbate multiple sclerosis in mouse models. The research suggests that gut microbiome balance is crucial in chronic diseases and that a one-size-fits-all approach to treatment may not be effective.

Intestinal bacteriophage alters effects of cancer therapies in mice

A study found that a bacteriophage infecting enterococcus bacteria stimulates an immune response improving the efficacy of cancer treatments. Administration of enterococcus containing the bacteriophage boosted T cell responses in mice, and its presence was associated with improved survival following PD-1 immunotherapy.

Scientists may have a way to let preemies breathe easier

Scientists have discovered a complex biological process in premature lungs that stimulates production of immune cells, which can help fight respiratory infections. The findings could lead to new treatments for premature infants, who are vulnerable to lifelong respiratory illnesses.

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Sinister blastocystis: a clandestine killer of good bacteria revealed

A new study reveals that Blastocystis subtype 7 selectively kills beneficial Bifidobacterium and Lactobacillus in the gut, leading to oxidative stress and lesions. This pathogenic microbe can contribute to inflammatory bowel disease, irritable bowel syndrome, and gastrointestinal cancers.

Scientists identify a new 'watchdog' that controls intestinal bacteria

A study by researchers at the CNIC reveals a new mechanism in intestinal bacteria regulation that prevents inflammation and promotes mutual benefit. The findings suggest that certain bacteria, such as Lactobacillus, strengthen the intestinal barrier through interaction with receptor Mincle.

Immunity connects gut bacteria and aging

A study published in Immunity found that the gut bacterium Lactobacillus plantarum produces excessive lactic acid when its receptor protein PGRP-SD is disrupted, leading to oxidative stress and accelerated aging. Increasing PGRP-SD levels prevents this effect and extends lifespan.

Researchers assassinate disease-causing bacteria with virus cocktail

Scientists at the University of Copenhagen have successfully targeted and killed E. coli using a cocktail of viruses, preserving the surrounding community of commensal bacteria in a simulated small intestinal microbiome. This breakthrough could lead to a new treatment method for food-borne illnesses without the use of antibiotics.

AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Commensal bacteria help orchestrate immune response in lung

Research in mice demonstrates that commensal bacteria enhance the immune system's ability to kill Klebsiella pneumoniae by boosting alveolar macrophage production of reactive oxygen molecules. The study suggests that signals from these beneficial bacteria play an active role in regulating immune function, even in the absence of infection.

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Brothers in arms: Commensal bacteria help fight viruses

A new study published in Immunity reveals that commensal bacteria play a vital role in fighting off viral infections. The research found that signals from these beneficial microbes are essential for optimal immune responses to experimental viral infections, and their absence can lead to impaired antiviral immunity.

Biodiversity loss may cause increase in allergies and asthma

Researchers found that teenagers living on farms had more diverse skin bacteria and lower allergen sensitivity than urban dwellers. Gammaproteobacteria in the skin microbiota may enhance immune tolerance, suggesting a link between biodiversity loss and inflammatory diseases.

Inner weapons against allergies: Gut bacteria control allergic diseases

Researchers discovered that gut bacteria play a crucial role in controlling allergic inflammation by regulating basophil responses and limiting IgE production. The study's findings suggest that targeting the commensal bacterial population may be beneficial in treating allergic diseases, offering new therapeutic options for asthma and o...

Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Could bacterial hitchhikers influence formation of new host species?

Researchers at Vanderbilt University are investigating whether bacterial hitchhikers play a role in promoting or inhibiting the formation of new species. They are analyzing the microbiomes of closely related wasp species and hybrids to identify specific microbes that increase mortality rates in hybrid offspring.

Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Good bacteria trigger proteins to protect the gut

Researchers found that beneficial bacteria trigger proteins called Toll-like receptors to maintain intestinal epithelial cell health and activate machinery for tissue repair. These receptors play a crucial role in protecting tissues from damage and inducing recovery after injury.