Articles tagged with Bacterial Species
A new study from Ophelia Venturelli and her team at the University of Wisconsin-Madison uses dynamic modeling to predict gut microbiome behaviors, reducing the need for laborious lab experiments. The model also reveals a balance between positive and negative interactions between microbes.
New computational simulations suggest that antibiotic treatment can suppress resistant species via attack on sensitive partner species in mutualistic relationships, and spatial arrangement influences cross-protection. The study found that competing species are more susceptible to suppression than mutually interacting species.
Researchers developed a new method to identify microbe food sources using carbon stable isotope ratios, providing insights into microbial communities and their impact on animal and plant health. The technique uses mass spectrometry and software to link microbes with substrates, enabling the study of complex microbial relationships.
Researchers found that the ketogenic diet alters gut microbiota in mice, leading to reduced seizures. Specifically, two types of bacteria - Akkermansia muciniphila and Parabacteroides species - play a key role in providing protection against seizures.
A comparative study of 37 plant genomes reveals that the capacity to form root-nodule partnerships has repeatedly been lost during evolution. Despite providing fixed nitrogen, these symbioses no longer benefit many plants due to parasitic bacteria invasion or other factors.
The researchers aim to make breakthroughs in understanding bacterial cell growth, hematologic malignancies, brain perceptions and behaviors, and neuron-glia communication. Each will receive $8 million over a seven-year term to pursue their fundamental questions.
Researchers have discovered that soil microbes use chemical signals to defend against each other and devastating crop diseases. The study found that certain bacteria can induce fungi to produce protective compounds, while the fungus's own defense mechanisms are triggered by the bacterial invasion.
Researchers used machine learning algorithms to identify patterns within human gut bacteria that predict susceptibility to cholera. The study found that a set of 100 microbes associated with the disease can be predicted by AI, potentially leading to improved vaccines and preventive approaches.
A new study casts doubt on a leading theory for bdelloid rotifers' evolution, suggesting DNA repair following desiccation may not be key to their success. The researchers found no evidence of the predicted differences between species that can and cannot survive desiccation.
The Earth BioGenome Project proposes sequencing genomes of all known eukaryotic species, an undertaking estimated to take 10 years and cost $4.7 billion. This initiative aims to create a complete digital library of life that will guide future discoveries, building on the success of previous genomics projects like the Human Genome Project.
A new bacterial species, Listeria costaricensis, has been identified in Costa Rica, increasing the knowledge of Listeria's pathogenic potential. The discovery was made through a three-year research project that sampled water from an industrial drainage area, revealing the biodiversity of Costa Rican soils.
A Princeton University researcher has discovered a bacterium that can break down toxic metal pollutants in the absence of oxygen. This microbe, Acidimicrobiaceae bacterium A6, can perform chemical conversion in anaerobic conditions, potentially providing an efficient alternative to costly oxygen-dependent methods.
Researchers discovered that Vibrio cholerae causes a 200-percent increase in intestinal contractions, expelling native gut bacteria in zebrafish. This finding sheds new light on the bacterium's invasion mechanisms and potentially opens doors to therapies targeting its path.
A team of University of Illinois engineers has developed a model to understand how bacteria multiply in plumbing systems. The model uses samples collected from taps before and after stagnation and combines them with city biofilm data and building blueprints, allowing for the assessment of drinking-water quality.
Research found that gut bacteria dominate in patients with pancreatic cancer, preventing immune system attacks on tumor cells. Antibiotics slowed cancer growth and reprogrammed immune cells to recognize cancer cells again.
Researchers developed a microbial detection technique that can reveal previously undetectable bacteria in various environments. KatharoSeq detected bacteria on surfaces at NASA's Jet Propulsion Laboratory, a neonatal intensive care unit, and an endangered abalone rearing center, revealing new insights for improving environmental health.
Researchers found evidence of microbial life in the hyperarid Atacama Desert through metagenomics and DNA analysis. The discovery suggests that similar microbes may exist on Mars, adapting to dry conditions.
Research explores how gut bacteria respond to common changes in their habitat, revealing that bacterial species can go extinct when environments are altered even slightly. This understanding could lead to the design of targeted probiotics and therapies to make gut microbes more resilient.
Researchers have uncovered the evolutionary origin of termite gut microbiomes, finding a mix of both vertical and horizontal transmission. The study, which analyzed 211 bacterial lineages from 94 termite species across four continents, reveals that termites acquire their gut bacteria from both parents and other termite colonies.
Researchers identified powerful antimicrobial agents in some ant species but found that many others don't produce them, challenging conventional wisdom. The study suggests ants could be a future source of new antibiotics to fight human diseases.
A study found that Pseudomonas protegens, a soil-dwelling bacterium, releases toxins through its type VI secretion system to protect plants from diseases. The toxins target NAD+, destroying other bacterial species and allowing the plant-protective bacteria to outcompete them.
A bacterial duo has been identified as a potential contributor to colon cancer risk. Escherichia Coli and Bacteroides fragilis alter the gut microenvironment by depleting mucus and inducing inflammation, facilitating E.coli colonization.
A comprehensive review of 30 years' worth of research concludes that lone star ticks do not transmit the bacteria that cause Lyme disease, but can transmit other human illnesses such as ehrlichiosis and red meat allergy. The evidence, based on over 60 published articles, shows that lone star tick saliva is a barrier against Lyme bacteria.
The Diplachne genus, consisting of two species, exhibits remarkable features such as high salt tolerance and the presence of nitrogen-fixing bacteria. This discovery has significant implications for the reclamation of salinized agricultural soils.
Scientists have pinpointed seven bacterial species whose presence in high concentrations may significantly increase the risk of HIV infection in women. The study, which used data from six African nations, found that women carrying these bacteria had a 4.6-to-1 increased odds of acquiring HIV.
A new extinct insect species, †Caputoraptor elegans, has been discovered with a novel body structure likely used for mating. The species features a unique cephalo-thoracic scissor device on females, which may be used to cling to males during copulation.
Wild Australian rice's unique genetics hold the key to improving drought tolerance, pest resistance, and nutritional benefits in commercial rice production. The study reveals that northern Australia's wild rices contain valuable genetic diversity closely related to domesticated rice, which can be cross-bred for improved crop resilience.
A global study reveals that only 2% of the world's bacteria species dominate soil populations, with implications for ecosystem health and climate change mitigation. The findings have important applications for agricultural soils and food productivity.
A team of researchers has compiled a 'most wanted' list of around 500 key bacterial species that are both common and abundant worldwide. These dominant bacteria can now be targeted for future study to improve soil health and fertility.
Researchers have developed nanostructured surface coatings with anti-fouling properties without using toxic components, reducing costs for the aquaculture and shipping industries. The new materials utilize 'nanowrinkles' inspired by carnivorous plants to create slippery surfaces that prevent marine biofouling.
Researchers at Friedrich-Alexander-Universität Erlangen-Nürnberg found that a fiber-rich diet can reduce arthritis symptoms by changing the intestinal bacteria and increasing short-chained fatty acids. These fatty acids have anti-inflammatory properties and can help slow bone degradation.
A study published in Veterinary Record found that commercial raw meat diets (RMDs) are contaminated with zoonotic bacteria and parasites, which can be transmitted to humans. The research highlights the need for pet owners to be aware of these risks and take proper hygiene measures to minimize exposure.
A study published in Nature Ecology & Evolution found that all organisms are nearly equally fit for survival due to a universal tradeoff in energy allocation. This means that each species contributes the same amount of energy per gram of parent to the next generation, regardless of size or life history.
Researchers at Imperial College London have discovered how bacteria evolved molecular motors to optimize their swimming. By building a 'family tree' of bacterial motors using 3D imaging and DNA analysis, the team found that sophisticated species had more stators than primitive species, with some having as many as 17 stators.
Researchers have made a groundbreaking discovery at the cellular level, studying the unique adaptations of bacteria living inside cicada insects. These tiny organisms lost nearly all their genes to survive within their insect hosts and now rely on multiple types of bacteria working together to provide essential amino acids and vitamins.
Researchers at UT Southwestern Medical Center used precision editing to target metabolic pathways in the gut, reducing inflammation in mouse models of colitis. The strategy, which targets specific bacterial species, prevented or reduced inflammation without affecting healthy gut bacteria.
Researchers at BIDMC used AI to develop an automated microscope system that can quickly and accurately identify images of bacteria, reducing the reliance on human clinical microbiologists. The system achieved nearly 95% accuracy in identifying three types of bacteria, paving the way for a future diagnostic platform.
In an evolutionary competition, bacteria and ciliates develop attack and defense mechanisms, with defense coming at a high cost for reproduction, reducing intraspecific diversity.
A single grain of sand harbors up to 100,000 microorganisms from thousands of species, showcasing the impressive diversity of bacterial life. This discovery highlights the crucial role sand-dwelling bacteria play in processing carbon and nitrogen compounds and purifying the marine ecosystem.
Researchers identified specific bacterial species in honey bee guts that break down flavonoids and trigger hormone production, impacting colony health. The study's findings could inform strategies to boost bee health and resilience.
Scientists at Trinity College Dublin have identified Fusobacteria and Campylobacter species in oral leukoplakia, a pre-cancerous growth that can precede oral cancer. The study suggests these bacteria may also contribute to colon cancer progression.
A new method developed by Harvard Medical School researchers can tease out cause-and-effect relationships between gut bacteria and disease, a major hurdle in microbiome research. The approach identified a previously unknown gut microbe that protects against severe colitis.
A recent study on lemurs found that a similar diet leads to identical gut microbiomes, highlighting the importance of diet in shaping microbial ecosystems. The researchers also discovered common metabolic pathways between lemurs and humans with inflammatory bowel disease (IBD), raising questions about their role in human health.
A team of ETH researchers created a novel 3D printing platform that utilizes living matter to produce mini biochemical factories with various properties. The platform uses bacteria-containing ink to create objects with specific characteristics, such as biodegradable materials and sensors for toxic substances.
A clinical trial shows FMT capsules are 96-per-cent effective in treating C. difficile infections, similar to colonoscopy. The pill-based treatment is non-invasive, inexpensive, and has no risks associated with sedation.
Two Corynebacteria species have been identified as potential targets to improve skin appearance, with one associated with younger people and the other with older people. The 'old skin' bacteria was found to be associated with skin redness, wrinkles, and age spots.
A team of researchers from Friedrich Schiller University Jena and the Leibniz Institute for Natural Product Research and Infection Biology has made a groundbreaking discovery about the chemical communication between algae and bacteria. The study reveals that a specific lipopeptide, orfamide A, plays a central role in this process.
Research suggests that antibiotic use in mothers may alter the microbiome of their offspring, increasing the risk for inflammatory bowel disease. The study, published in Nature Microbiology, found that exposure to antibiotics can change the mix of bacterial species in maternal microbes, which are then passed on to their children.
Research at Kiel University has discovered that the bacterial colonization of the intestine controls peristaltic functions. The study found that only a balanced microbiome can regulate tissue contractions, with certain molecules secreted by bacteria intervening in the control mechanism.
A study published in PLOS ONE found that Camponotini ant species have distinct microbiomes, with some stages having unique bacterial populations. This suggests that the microbiome may play a role in shaping the ant's biology and adaptation to its environment.
Women involved in high-risk sex behaviors have more diverse vaginal bacterial microbiota, a lower abundance of protective Lactobacillus bacteria, and are at higher risk for STIs and HIV-1 acquisition. The study suggests that low diversity vaginal microbiota is associated with less risk of vaginal infections.
A small study found that gut bacteria undergo significant changes within 72 hours of serious injury/trauma, which may impact recovery outcomes. These changes could be used to inform probiotic regimens or guide microbial composition shifts, potentially improving critical care outcomes.
A team of researchers created a three-dimensional map of the gut microbiome, revealing a surprising degree of mixing among different bacterial members. The study found that the gut microbiome lacks highly organized structure, unlike other body sites like the mouth.
Researchers at Woods Hole Oceanographic Institution identified an extensive conserved group of bacteria within healthy humpback whales' blow. The discovery could serve as a framework for monitoring the health of this species and others, with potential implications for disease detection and conservation.
Researchers use imaging technology to study a simplified human gut microbiome, finding a mixed community where each cell is next to cells of different species. The host appears to mix and prevent large clusters of single-bacteria species from forming.
Researchers found that warming climate conditions could lead to significant economic and healthcare costs due to increased occurrences of Vibrio bacteria in Chesapeake Bay. The study used a new downscaling framework to project future increases in Vibrio species, highlighting the need for models of climate impact on estuarine environments.
A theoretical physicist proposes an alternative approach to species classification by considering the dynamics of microbial communities as a whole. This framework may help researchers better understand complex biological systems and their role in human diseases.
A new study published in International Journal of Obesity suggests that the effectiveness of high-fiber diets depends on the type of bacteria in a person's intestine. The research found that participants with a specific combination of Prevotella and Bacteroides bacteria lost more weight and body fat when following a high-fiber diet.
Researchers identified specific gut microbes associated with multiple sclerosis, suggesting they play a role in regulating immune responses and potentially contributing to disease progression. The study found that certain bacteria can trigger pro-inflammatory or anti-inflammatory responses in the immune system.
Researchers discovered a bacterial protein, EroS, that induces mating behavior in single-celled organisms called choanoflagellates. Swarming among these unicellular organisms precedes sexual reproduction, and the protein's enzymatic function is responsible for this change.