Researchers found that a specific crosslinking mode in the peptidoglycan cell wall inhibits certain cell wall degrading enzymes, protecting bacteria from internal and external damage. This discovery may lead to new treatments for developing antibacterial therapies.
Researchers from Osaka University used machine learning to assess the shapes, sizes, and other physical features of bacteria based on microscope images. The results showed that antibiotic-resistant strains were fatter or shorter than their parental strains, especially those resistant to quinolone and β-lactams.
Researchers have discovered a new class of natural antimicrobials called microcins that can target specific strains of bacteria causing cholera, inflammatory bowel disease, and colon cancer. Microcins are highly selective and can potentially remove unwanted bacteria without disrupting the human gut microbiome.
A new technology uses autofluorescence imaging to detect bacteria in wounds, allowing for early detection and removal of harmful microorganisms. The study reveals that this method can identify bacteria in approximately 9 out of 10 patients that traditional assessments miss.
Researchers developed a new 'pan-pathogen' deep sequencing approach to capture multiple bacterial strains simultaneously. This method enables faster and more comprehensive tracking of antibiotic-resistant bacteria, potentially preventing and managing common hospital infections quicker.
Scientists studying environmental bacteria have determined a protein's essential role in maintaining the germ's shape. Loss of the protein OpgH disrupts the bubble-like cell envelope, resulting in the cell's death. This finding could lead to new drug targets and advance the search for better antibiotics.
Researchers discovered that certain bacteria living inside ticks are essential for their survival and reproduction. These bacteria produce vital nutrients, making them a potential vulnerability in tick populations that could be exploited to control tick numbers and reduce the incidence of tick-borne diseases.
Scientists have discovered a new defense mechanism in bacteria that uses cell-to-cell communication to 'warn' unaffected bacteria about potential threats, allowing them to shield themselves and spread the warning signal. This mechanism has been found to be effective against various antibiotics and toxins.
A UCF biologist has compiled a database of animal DNA to study the presence of magnetic bacteria, which may aid in navigation and conservation. The database contains hundreds of millions of genetic sequences showing the presence of various types of magnetic bacteria.
Physicists at Aalto University have developed a method to align bacterial cells using magnetic fields. By mixing bacteria into a liquid with millions of magnetic nanoparticles, the researchers can control the alignment of the rod-shaped bacteria in response to magnetic field strength. The findings offer insights into active matter phys...
Researchers have detected anaerobic and aerobic bacteria in commercial tattoo and permanent makeup inks, indicating a potential source of human infections. The study found that around 35% of tattoo or permanent makeup inks sold in the US were contaminated with bacteria, highlighting the importance of monitoring these products.
A new study in Nature Communications reveals that symbiotic bacteria play a critical role in modulating the profile of root secreted molecules, influencing the assembly of a symbiotic root microbiome. The findings provide valuable insights into the complex interplay between nitrogen nutrition and plant-bacteria interactions.
New study reveals two novel mechanisms that contribute to antibiotic resistance in bacteria, accelerating the growth of resistant bacteria during treatment. These mechanisms can occur independently and are linked to increased gene copy number variation and heteroresistance, complicating treatment for patients.
A new therapy has been identified that can penetrate the slime protecting drug-resistant bacteria, allowing it to be killed by the body's immune system or antibiotics. The antimicrobial peptide, derived from cow peptides, targets sugar connections in the slime structure, damaging its integrity and allowing entry.
Researchers discovered that certain bacteria, including Salmonella enterica and Escherichia coli, are attracted to human serum, which contains the amino acid serine. This phenomenon, known as bacterial vampirism, allows the bacteria to navigate towards the source of blood in under a minute.
A study published in Cell reveals a detailed catalogue of bacteria living in cancer metastases, including links to therapy efficacy and tumor cell activity. The research provides new insights into how bacteria interact with cancer cells and their surroundings.
A Washington State University-led research team discovered a set of genes in wild bacteria that allow them to survive exposure to nickel, enabling them to thrive in toxic soils. The genetic discovery could inform future bioremediation efforts to return plants to polluted soils.
A new study by Uppsala University researchers demonstrates that heteroresistance, a common transient resistance in bacteria, can facilitate the development of antibiotic resistance. The study found that heteroresistant bacteria carrying more resistance gene copies result in slower growth and increased risk of treatment failure.
A new study has discovered that Streptococcus anginosus bacteria play a significant role in causing stomach cancer. The research showed that S. anginosus infection led to gastric inflammation, cell damage, and the growth of stomach cancer cells, doubling tumour size and weight in some cases.
Researchers discovered T1-spanin's exceptional capability to penetrate bacterial defenses and effectively kill nearly 120 strains. A novel phage-based technology delivers T1-spanin genes into target bacteria, providing a potential solution for tackling drug-resistant pathogens.
Researchers at the University of Córdoba discovered a mutually beneficial relationship between an algae and three bacteria that produces hydrogen and biomass while cleaning wastewater. The combination, composed of Chlamydomonas reinhardtii alga and Microbacterium forte sp. nov., Bacilluscereus, and Stenotrophomonas goyi sp. nov., yield...
Researchers have designed a chemical sensor array, or an artificial tongue, that distinguishes dental bacteria and can inactivate them. The artificial tongue uses nanoscopic particles coated in DNA strands to detect the presence of bacteria, and can distinguish between healthy and diseased individuals with high accuracy.
A new study finds that gut bacteria can cause blindness in some inherited eye diseases by breaching the body's defenses. Treating these bacteria with antimicrobials may prevent sight loss, offering a potential new approach to treatment.
Scientists found a mutation in E. coli that allows it to spread further into the body and infect organs, causing life-threatening diseases. The discovery helps explain why certain types of E. coli become more dangerous and provides an explanation for emerging virulent bacteria.
Scientists are studying how animals like squid and newts use bacteria to defend themselves against predators, with the goal of applying these principles to maintain beneficial bacteria in the human gut. This research could provide insights into the mutualistic relationships between animals and their microbiomes.
Researchers at ETH Zurich have identified a virus called Paride that can infect and destroy dormant bacteria, including Pseudomonas aeruginosa. The study found that the combination of Paride and an antibiotic called meropenem was effective in killing bacteria in both laboratory cultures and mice with chronic infections.
Researchers have elucidated the metabolic pathways of Halopseudomonas bacteria that break down plastic coatings. The study shows the bacteria can rapidly degrade polyester polyurethanes, making it a promising solution to global waste problems.
Researchers found that thicker mucus enhances bacterial collective motion, forming coordinated swarms that can increase antibiotic resistance and spread infection. The study demonstrates the importance of mucus in facilitating bacterial swarming, which could pave the way for new strategies to combat infections and antibiotic resistance.
The study analyzed 170 known bacterial languages, grouping them into clusters based on molecular structure. Bacteria can understand related languages, but not those with vastly different languages. This understanding will aid in refining treatment approaches and developing biotechnology applications.
Researchers found that E. coli bacteria use iron levels to store information about behaviors like swarming and forming biofilms. These iron-based memories persist for at least four generations before disappearing, helping bacteria make informed decisions about their environment.
Researchers at Kiel University developed a new method to study bacteria using microscopy and metabolomics, revealing insights into chemical communication between microbes and their hosts. The method allows for the simultaneous identification of individual bacteria and analysis of metabolites without laboratory cultivation.
Researchers have long recognized the potential of phages in fighting bacterial diseases, but their high specificity and unpredictability have limited their use. Tamman's project aims to decipher the mechanisms behind phages' ability to paralyze bacterial defense systems, potentially leading to new antibiotic treatments.
A new study found that antibiotics promote the growth of antibiotic-resistant bacteria in the gut by providing extra nutrients, allowing these 'bad' bacteria to multiply. The research suggests that targeting beneficial bacteria can help restrict the growth of resistant bacteria, paving the way for microbiome therapeutics treatments.
Researchers have isolated a new strain of marine bacteria, Poriferisphaera hetertotrophicis, that grows faster in nutrient-rich media and multiplies via a budding mechanism. The bacterium releases a chronic virus, phage-ZRK32, which facilitates nitrogen metabolism and increases growth.
Researchers at Penn State discovered that bioluminescent bacteria use a small RNA molecule called Qrr1 to coordinate their behavior and colonize the squid's light organ. This mechanism is likely widespread among bacteria, enabling them to exploit quorum sensing pathways.
A recent study found that Kenyan patients who spend more than three days in hospitals are more likely to harbor antibiotic-resistant bacteria. The research team identified three risk factors associated with colonization, including hospitalization for extended periods and intubation.
A new study reveals that pathogenic bacteria fuel their growth by consuming sialic acid, a key component of the protective intestinal mucus layer. The findings suggest a potential treatment target for intestinal bacterial infections and chronic diseases linked to gut bacteria, including IBD and celiac disease.
Researchers found magnetotactic bacteria living on a hydrothermal vent chimney at 2,787 meters below the ocean's surface. The discovery provides clues to the early diversification of bacteria and offers insights into the environment that may support extraterrestrial life.
A team of researchers led by Dr. William Gilhooly III found that viruses are infecting sulfur bacteria, altering their genetic code and influencing their behavior in oxygen-deficient lakes. This discovery opens up new avenues for understanding the impact of viral infections on bacterial ecosystems.
Researchers have developed a microgel delivery system that keeps beneficial bacteria safe while actively clearing out harmful ones in the gut. In mice, this system treated intestinal inflammation without side effects and showed promise as a viable treatment strategy for intestinal diseases.
A study by Lund University researchers discovered that predatory bacteria, like Bdellovibrio, grew in number and consumed other bacteria when chlorine was removed from drinking water. This finding suggests that efficient filtration systems can reduce the need for chlorine, offering hope for a chlorine-free future.
Research in the Arctic tundra reveals that plant life determines soil bacteria diversity. Changes in vegetation due to climate change are expected to impact generalist and specialist bacteria populations. The study's findings provide insights into Arctic ecosystem functioning and predictions of future environmental changes.
Researchers discovered two new psychrophilic species of bacteria with cold-adapted enzymes, which can be used in biotechnology to produce refrigerated foods, improve detergent quality, and remove pollutants from cold environments. The study was conducted in collaboration with Uruguayan scientists and supported by FAPESP.
Bacteria play a crucial role in providing insects with vital nutrients like vitamin B, enabling them to survive on unbalanced diets and exploit new food resources. This has led to significant diversification of plant-feeding insect species.
Researchers created a 3D model of Helicobacter pylori to better understand its movement and develop new treatments for ulcers and other diseases. The study identified critical thresholds that the bacteria must overcome to move through viscous fluids.
Research reveals that certain bacteria can replace essential lanthanides with actinides to sustain their metabolism. The findings suggest a possible role for these bacteria in decontaminating areas contaminated with radioactive elements or separating lanthanides and actinides for analytical purposes.
Researchers at KAIST have developed a new sRNA tool that can effectively inhibit target genes in various bacteria, including both Gram-negative and Gram-positive bacteria. The BHR-sRNA system was shown to suppress pathogenicity in antibiotic-resistant pathogens and improve industrial strains for high-value-added chemical production.
Researchers at Nova Southeastern University have made breakthroughs in understanding the complex relationship between beneficial and harmful bacteria. By studying how these bacteria communicate and work together, they hope to develop new treatments for infections, such as those caused by Staphylococcus aureus and Pseudomonas aeruginosa.
Researchers have identified three types of bacteria associated with natural purple photosynthetic bacteria that show strong anticancer efficacy. The bacteria can thrive in hypoxic tumor environments and trigger the immune system to kill tumor cells.
Researchers discovered that gut bacteria's F-pili are stronger in harsh conditions, enabling efficient gene transfer and biofilm formation. The findings highlight the challenge of combating antibiotic resistance and suggest exploiting similar molecular properties for precise drug delivery.
Researchers at the University of Stirling found that microplastics can transport harmful bacteria from wastewater to beaches in Scotland. The study suggests that these bacteria can survive for up to 7 days on beach sand and show resistance to common antibiotics.
Researchers at Aarhus University discovered that cable bacteria form a dance-like connection with diverse aerobic bacteria in the anoxic seabed. The small bacteria benefit by transferring electrons to the cable bacteria, forming an electrical lifeline to oxygen.
A recent study highlights the perils of bacteria's secret antimicrobial resistance, which can be difficult to detect using traditional methods. Researchers are exploring new approaches, such as genetic analysis, to identify and prevent the spread of these resistant strains.
Researchers found that bacteria's cooperative behavior helps in the short term but fails to protect them from predators. However, individual defense through filament formation proves successful and stabilizes bacterial population densities.
A study by Dartmouth College researchers found that bacteria can form protective clusters with rival species, making it harder to kill harmful bacteria. This discovery highlights the importance of studying multispecies biofilm structures and may impact the development of bacteriophages and predatory bacteria as antimicrobial alternatives.
Researchers found that carriers of a specific hidden bacteria have a 14% chance of developing an antibiotic-resistant infection within 30 days of hospitalization. The study highlights the significant risk of infections from multidrug-resistant Gram-negative bacteria, particularly in patients undergoing 'dirty' surgery.
Scientists at Umea University found a new transporter controlling bacterial cell wall integrity and resistance to antibiotics. The discovery sheds light on muropeptide recycling and its role in bacteria's ability to thrive.
Researchers discovered that urinary tract infections can arise after sterile tubes are inserted into the urinary tract, even when no bacteria are detectable beforehand. This study suggests that screening patients for hidden reservoirs of dangerous bacteria could supplement infection-control efforts and help prevent deadly infections. B...
A recent study published in Genome Medicine found that intestinal bacteria play a crucial role in multiple sclerosis. The research revealed two types of health-promoting bacteria that can reduce an over-reactive immune system and may help alleviate symptoms.
Scientists have discovered that interactions between bacterial growth rate and energy levels can explain the inoculum effect, a mechanism by which bacteria tolerate antibiotics. Providing different nutrients to bacteria with varying growth rates and energy levels can eliminate this effect.