Articles tagged with Bacterial Species
A team of researchers has successfully engineered E. coli to produce dozens of new forms of the antibiotic erythromycin, including three that show promise in fighting drug-resistant bacteria. The breakthrough could lead to the development of new antibiotics to combat rising antibiotic resistance.
A new study by CIFAR Fellow John McCutcheon's lab found that bacteria in cicada guts have split into many separate but interdependent species. This phenomenon leaves the cicadas reliant on a bloated genome and multiple species to create essential amino acids.
Research reveals that diverse bacterial communities in healthy South African women's genital tracts are associated with elevated levels of inflammatory proteins, increasing the risk of HIV infection. The study found that these communities were more than four times as likely to have elevated genital inflammatory cytokines.
A new study found a sequential pattern of changes in the intestinal microbial population of patients recovering from cholera, suggesting potential strategies to support recovery. The gut microbiota usually returns to normal after cholera infection.
Researchers found that bacterial community structure can accurately predict the presence of contaminants such as uranium and oil. The approach uses DNA sequencing to monitor bacterial communities in environmental sites, providing a potential tool for detecting damage caused by human activity.
Researchers at the University of Michigan discovered that L-arginine can break down dental plaque, a biofilm that contributes to cavities, gingivitis, and periodontal disease. This naturally occurring amino acid may provide an alternative to current antimicrobial treatments, which can affect taste and stain teeth.
Researchers at Rockefeller University have cracked the code of a fundamental process bacteria use to defend themselves against invaders. The type III CRISPR-Cas system targets both viral DNA and RNA, preventing viruses from copying themselves and infecting more bacteria.
Researchers have identified a never-before-seen tick-borne illness transmitted by the taiga tick, which may be common in areas where the tick resides. The new species of bacteria, Anaplasma capra, causes symptoms like fever and muscle aches and can be successfully treated with antibiotics.
Researchers created the first atlas of airborne microbes across the US, identifying over 110,000 bacterial species and 55,000 fungal species in dust samples from 1,200 homes nationwide. The study provides new insights into human health, animal health, and crop disease, with implications for understanding climate and soil variability.
Researchers at Caltech discovered that certain bacteria in the gut are essential for producing peripheral serotonin. The study found that mice with normal gut microbes had higher levels of serotonin than those without, and that specific species of bacteria elevated serotonin levels.
Scientists have isolated bacteria that inhibit the growth of the white-nose syndrome fungus in laboratory tests. The bacteria may help protect bats from the disease when treated with a bacterial spray applied during hibernation.
Scientists discovered a unique set of enzymes in Staphylococcus hominis that break down sweat molecules into thioalcohols, a key component of body odor. The study identified genes responsible for producing these compounds and confirmed their role in malodour production.
A team of researchers has discovered a strong association between the lifestyles of indigenous communities and their gut microbial ecologies. The study found that hunter-gatherers in South America and Africa have similar gut microbiota profiles, while urban-industrialists have distinct profiles, suggesting a link between lifestyle and ...
Researchers found that soil microbes are the primary source of bacteria colonizing grapevines, affecting disease resistance, stress tolerance, and productivity. The study's findings could lead to biotechnological advances in producing hardier crops and improving wine quality.
A study published in Cell Reports reveals a potential strategy for promoting the right balance of gut microbes in antibiotic-treated mice by manipulating the autoinducer-2 (AI-2) chemical signal. The researchers found that high levels of AI-2 increased the expansion of Firmicutes phylum, leading to a healthy state of the gut microbiota.
Research finds that bacterial communication through autoinducer-2 can restore balance of gut microbiota after antibiotic treatment. The study suggests using bacteria's own language to control and exploit beneficial microbes in the human gut.
A new microarray-based tool called VaginArray has been developed to rapidly diagnose vaginal infections and assess vaginal microbiome health. The tool uses 17 probe sets specific for representative bacterial species, including those associated with healthy and unhealthy conditions.
A new study in baboons reveals that social relationships play a role in shaping an individual's gut microbial makeup. The researchers found that baboons who groomed each other more frequently shared more similar sets of gut microbes, suggesting that physical contact may be a key factor in allowing people to swap gut germs.
A new study led by Elizabeth Archie found that social interactions directly affect the gut microbiome of wild baboons. Baboons with stronger social bonds have more similar gut bacteria, suggesting physical contact is key to shaping the microbiome.
Emulsifiers found in processed foods can alter the gut microbiota composition and induce intestinal inflammation, promoting the development of inflammatory bowel disease and metabolic syndrome. The study suggests that avoiding excess food consumption is crucial, as low-grade inflammation from an altered microbiota can lead to overeating.
A study published in PLOS ONE identified wood rats and western gray squirrels as hosts for Lyme disease-causing bacteria in California, but birds were found to be more important than previously recognized. The study also discovered a new subtype of Lyme disease spirochete, Borrelia bissettii, in birds for the first time in California.
A study found that a single genomic change can turn beneficial bacteria into pathogenic bacteria by boosting bacterial density inside the host. The research team identified a region of the Wolbachia genome responsible for regulating bacterial densities in flies.
Researchers create first comprehensive map of NYC subway system microbes, finding mostly harmless bacteria, but also detecting disease-causing and treatment-resistant strains. The study provides baseline data for city-wide disease surveillance and bioterrorism threat mitigation.
A longitudinal study found that infants who developed type 1 diabetes had a significant drop in microbial diversity prior to disease onset, including a decrease in health-promoting bacteria and an increase in potentially harmful ones. The study also revealed stable biological functions served by the microbiome across individuals.
Research reveals that a balanced gut bacterial community is crucial for digestive health, and the immune system plays a key role in shaping this balance. Fecal transplants may also offer new hope for treating IBD by restoring a healthy gut microbiome.
Researchers have discovered that hoophoe birds cover their eggs with a secretion containing beneficial bacteria that increase successful hatching rates. The bacteria produce antimicrobial compounds that protect the embryo from pathogens and facilitate its development.
A new study found groups of genes linked to imbalanced gut microbes in patients with IBD, offering a step toward developing targeted treatments. The research also confirmed the impact of antibiotics on gut microbiome imbalance, highlighting the complex interplay between genetics and environment.
The study reveals the complex relationships within a model ecosystem, with implications for protecting the environment and human health. The researchers found that Microthrix parvicella, a generalist bacterium, can adapt to various living conditions and dominate the wastewater treatment plant ecosystem.
Researchers have described the intricate relationships within a biological wastewater treatment plant in unprecedented detail. This study provides new insights into the laws governing bacterial function, with potential applications in medicine and environmental conservation.
Vultures have developed a tough digestive system to destroy most bacteria ingested, but also appear tolerant of deadly species that flourish in their lower intestine. This adaptation may confer dietary benefits, highlighting the importance of the avian microbiome in evolution.
Researchers discovered a functional antibacterial gene in Archaea, which produces a broad-spectrum lysozyme enzyme. This enzyme kills certain species of bacteria, including those resistant to current antibiotics, and could lead to new antibacterial drug development.
Researchers at the University of East Anglia have made a significant discovery in bio battery technology, enabling the generation of clean energy from bacteria. The study reveals how electrons hop across bacterial proteins and find that the rate of electrical transfer is dependent on protein orientation and proximity.
Researchers have found that bats carry the bacterial species Bartonella mayotimonensis, which causes deadly human infections in the USA. Bats are ideal reservoirs for pathogenic viruses and play a vital role in natural ecosystems.
New research reveals that gut bacteria convert red meat's L-carnitine into trimethylamine-N-oxide, a compound promoting atherosclerosis. Gamma-butyrobetaine, another metabolite produced by gut bacteria, also contributes to cardiovascular risk.
A study found that a type of gut bacteria called Clostridium ramosum promotes obesity in mice, particularly when fed a high-fat diet. The bacteria appears to improve nutrient uptake, leading to increased energy conversion and weight gain.
Research reveals that 57 Panamanian tree species have distinct bacterial communities on their leaves, with some bacteria linked to nitrogen fixing and methane consumption. The study provides a comparable understanding of the host attributes that explain patterns of microbial diversity in the plant microbiome.
A recent study published in Proceedings of the National Academy of Sciences reveals a vast array of bacteria living on tropical tree leaves, including over 400 species found on a single tree. The discovery has significant implications for understanding forest health, disease resistance, and the impact of climate change.
Researchers have discovered that cicadas' gut bacteria split into two species about 5 million years ago, leaving them reliant on double the species to create essential nutrients. This event is an example of non-adaptive evolution, where genetic change occurred by chance without clear benefits for the organism.
Researchers at Yale University have identified a handful of bacteria that may drive inflammatory bowel diseases such as Crohn's disease and ulcerative colitis. The study found a correlation between high levels of an antibody coating on the surface of these bacteria and inflammatory responses in the human intestine.
A University of Montana research lab has made a groundbreaking discovery about the cicada's symbiotic relationship with bacteria. The study found that instead of two bacterial symbionts, there are actually three, including two previously unknown species of <i>Hodgkinia</i>. This new understanding of the symbiosis reveals a more complex...
Researchers using supercomputers at TACC analyzed bacterial communities for gum disease, diabetes, and Crohn's disease. They found that these microbes adjust their metabolism in response to disease, suggesting new ways to prevent or reverse the conditions.
Researchers discovered that a type of bacteria called Asaia blocks invasion of Wolbachia into mosquitoes' germlines, stopping the insects from transmitting Wolbachia to their offspring. This finding provides a potential answer to why some insect species are infected with Wolbachia while others are not.
Researchers used mathematical models and genetic analysis to discover that cooperative bacteria are better equipped to adapt to environments, increasing their ability to infect multiple species. This knowledge could help predict and manage health threats from animal-borne diseases.
Bacteria in the Gulf of Mexico's deep sea plume consumed gaseous hydrocarbons and certain toxic compounds released during the Deepwater Horizon spill. However, the most toxic polycyclic aromatic hydrocarbons (PAHs) persisted, causing long-term health problems like cancer.
Research by scientists at the University of Texas at Austin found that diet impacts male and female gut microbiomes differently. In some cases, different bacterial species dominate in one sex versus the other. This difference highlights the need for therapies to be tailored for each sex when it comes to nutrition-based treatments.
When worms mate with different species, their bodies are unable to tolerate the aggressive sperm, resulting in sterility and death. The sperm's premature fertilization of eggs and subsequent damage to the ovaries lead to these outcomes.
A smartphone app study tracked daily activities and stool samples to analyze the impact of life events on gut microbiota. The results showed that specific events, such as moving abroad or getting food poisoning, significantly altered the composition of gut bacteria.
Researchers discovered a small molecule produced by benign bacteria influences the behavior of Staphylococcus aureus, causing it to form biofilms. This finding could lead to new ways to manage bacterial communities and prevent infections.
Researchers found that bacteria like Caulobacter crescentus actively carve out a helical trajectory through the water using their entire body, contributing to swimming motion. This discovery sheds light on the evolution of cell body shape and has implications for understanding disease propagation and fertility.
Researchers at Northeastern University developed a device that cultivates a single bacterial species, allowing scientists to study and identify the millions of microorganisms that populate the world. The device solves the problem of natural competition between species, enabling the isolation of pure, single-species samples.
Researchers model primordial ribosomes using modern structures, showing how new structures were added to the surface without altering the core. The study reveals the universal biology of translation, with distinct fingerprints in ribosomes across species.
Researchers found changes in gut microbiota composition among people with Type 2 diabetes or obesity compared to healthy individuals. The study identified associations between specific bacterial species and metabolic variables such as BMI, hemoglobin A1c, and waist circumference.
A new method using SlipChip technology allows researchers to target and grow specific, previously uncultured microbes from the human gut. By isolating individual bacterial species, scientists can better understand their roles in human health and potentially identify beneficial or harmful microbes.
CBS-KNAW Fungal Biodiversity Centre's official journal Studies in Mycology will be published by Elsevier, enabling interactive links to live databases and multimedia. The journal, first launched in 1972, is renowned for its systematic monographs of filamentous fungi and yeasts.
Molecular methods have improved identification of war wound infections, revealing new insights into microbial species associated with successful and unsuccessful healing. The study found that certain bacteria are linked to poor wound healing, while others are associated with successful recovery.
Indiana University biologists will advance research on bacterial evolution using $6.2 million in funding from the US Army Research Office. The team will investigate how bacteria evolve in response to internal and external environments, with practical applications in human health, energy, and food production.
A new study proposes a theory that explains co-evolutionary changes in predator-prey relationships, revealing unique behaviors at the population scale. The research suggests that evolutionary changes can dramatically affect species relationships, potentially making them more vulnerable or less vulnerable.
A recent study reveals that the marine microbe Prochlorococcus has hundreds of distinct genetic subpopulations, each with a unique genomic backbone. This diversity is finely tuned for optimal growth under different conditions, creating a robust and stable population in the face of environmental instability.
Researchers found hundreds of distinct genetic subpopulations within a single species of ocean microbe, Prochlorococcus, and discovered that these subpopulations are finely tuned for specific ecological niches. The study suggests that the remarkable diversity of Prochlorococcus is not random but rather a result of natural selection.
Researchers discovered that Pseudomonas aeruginosa bacteria use combinatorial communication to achieve an effect different from the sum of individual signals, a method previously thought to be unique to humans and some primates. This finding has serious implications for our understanding of language origins.