Articles tagged with Bacterial Species
Researchers reconstructed proteins from ancient bacteria to measure the Earth's temperature over billions of years, revealing a massive cooling period between 500 million and 3.5 billion years ago. This study provides insight into how life adapted to the changing environment during the Precambrian period.
Researchers discovered that coastal bacteria are generalists, capable of performing multiple processes when it comes to carbon cycling. The study used metagenomics to analyze bacterial genomes and showed that these microorganisms can adjust their roles depending on the local food supply.
New research reveals symbiotic bacteria in black bean aphids can exhibit a disruptive 'Hyde' side, slowing insect growth while allowing bacterial proliferation. This discovery may lead to new methods for controlling insect pests without relying on insecticides.
Scientists have discovered a new species of bacteria that consumes methane, a potent greenhouse gas, in the geothermal field Hell's Gate in New Zealand. The 'methanotrophic' bacterium is hardy and can thrive in acidic environments, making it a promising candidate for reducing methane emissions from various sources.
Researchers compared 12 closely related fruit fly species to better understand genetic adaptation, immune systems and gene regulation. The study, led by Cornell University, found evidence of evolutionary pressures on genes and regulatory elements that control diseases, development and behavior.
A recent NASA study used gene sequencing to detect a vast array of bacteria in clean rooms, including newly discovered species. The findings will aid in improving cleaning and sterilization methods to prevent false-positive results in detecting extraterrestrial life.
Researchers discovered that bacteria can sense light using a protein structure called an LOV domain, which is also present in plants. This finding suggests that light may play a crucial role in bacterial life, allowing them to regulate their virulence and potentially leading to new therapeutic targets.
A recent study discovered that certain bacteria, including Brucella species responsible for the flu-like disorder Brucellosis, require sunlight to enhance their virulence. The researchers found that disabling the light-sensing molecule in these bacteria led to a significant drop in their ability to cause disease.
Scientists are studying Streptococcus pneumoniae bacteria grown in space to understand how it adapts and potentially poses a threat to long-duration space travelers. The bacteria were brought back from orbit frozen in 'zero-g mode' for analysis, providing valuable insights into its behavior in microgravity.
A study by University of Southern California researchers found that bacteria-free fruit flies lived as long as their bacterial counterparts, challenging conventional wisdom about the impact of microbes on lifespan. The finding suggests that factors other than bacterial load may limit life span.
A novel bacterium, Candidatus Chloracidobacterium thermophilum, has been discovered in Yellowstone National Park's hot springs, transforming light into chemical energy. The finding is significant as it belongs to a new phylum and expands our understanding of photosynthesis in bacteria.
Researchers mapped gut microbes in 14 healthy babies over their first year of life, finding unique microbial communities that persist throughout life. The study highlights the dynamic nature of gut ecosystems and potential factors underlying fluctuations in bacterial abundance.
Researchers tracked microbial ecosystems in 14 healthy infants using DNA microarray technology, finding wide variation in gut flora composition and dynamics. The study reveals that Bifidobacteria are scarce in breast-fed babies until several months after birth, contradicting previous studies.
Two studies suggest that periodontal diseases are a threat to women of all ages. Women taking oral contraceptive pills are more likely to experience gingival bleeding and deeper periodontal pockets. Periodontal bacteria are also linked to bone loss in postmenopausal women, highlighting the importance of good oral health throughout life.
A new bacterium, Bartonella rochalimae, has been discovered and isolated from a patient who suffered symptoms similar to malaria or typhoid fever. The bacterium is genetically similar to one spread by body lice in World War I trenches, causing trench fever.
Researchers have identified a bacterium that repels a deadly fungus causing worldwide amphibian deaths and extinctions. The discovery could lead to procedures for 'vaccinating' endangered populations.
Researchers found hundreds of new species of bacteria that can break down petroleum products, including those surviving without water or oxygen. The bacteria have potential applications for cleaning oil spills, medical treatments, alternative energy, and industrial uses.
The research group has successfully isolated and characterized enterocin AS-48, a protein substance with antimicrobial activity produced by Enterococcus faecalis S-48. The findings suggest that AS-48 could have medium-term use as a food biopreservative, providing a potential innovative solution for food preservation.
Researchers found that a fungus relies on bacterial symbionts to break down plant nutrients and form spores, maintaining mutualism. The study highlights the critical role of symbiotic relationships in shaping biological processes.
Scientists discovered that European Beewolf females deliberately cultivate bacteria in their antennae to shield their larvae from fungal infections. The bacteria produce antibiotics, significantly enhancing the larvae's chances of survival during hibernation.
Researchers found that more than half of primitive organisms have acquired genes through horizontal gene transfer, while only a few eukaryotes have done so. Two species of bacteria were also found to share large groups of genes, allowing them to adapt to their environment more quickly.
A study by University College London finds that male-killing bacteria active in many insect species, including butterflies, increase female promiscuity and reduce male effort during mating. In the absence of males, females become more sexually rampant, while males exhibit signs of fatigue and reduced sperm quality.
A recent study found that human skin hosts a vast array of bacterial species, with 182 species identified, including 8% previously unknown. The study used advanced molecular methods to analyze skin samples from six healthy individuals and revealed a core set of bacteria present in everyone's skin.
New research by Rice University scientists reveals that horizontal gene transfer (HGT) contributes to the speed of evolution, allowing life forms to adapt faster. The study proposes a mathematical model that accounts for HGT and its impact on the dynamics of evolution.
Researchers have created a new smart anti-microbial treatment called STAMP that can selectively target and kill cavity-causing bacteria without harming good bacteria. The treatment uses a specific pheromone to locate the bacteria and an anti-microbial bomb to eliminate it, offering a promising approach to preventing tooth decay.
Researchers found an isolated bacterial community thriving in rock fracture water two miles beneath the surface. The unique microbes depend solely on geologically produced sulfur and hydrogen for energy, challenging the notion of life's reliance on sunlight.
Researchers found a self-sustaining community of bacteria that rely on radioactive uranium to convert water molecules into usable energy, living 2.8 kilometers below Earth's surface. The discovery expands Earth's biosphere and raises excitement about the potential for life on Mars.
A prolific parasite is shaping the destiny of a species it doesn't infect by medling with its host's sexual behavior. The parasite, Wolbachia, has been found to cause a change in the sexual behavior of a species that is not infected, potentially contributing to evolutionary pressure.
A new study reveals that plataspid stinkbug gut symbionts have evolved in tandem with their hosts, sharing unique genetic traits. The symbiotic lifestyle is crucial for the stinkbugs' survival, and its influence on genome evolution has been observed.
A new study by Queen's University biologist Virginia Walker has discovered a way to isolate bacteria that can create better ice cream and artificial snow from soil in more temperate environments. The technique, called ice affinity selection, involves forming an 'ice finger' to select for bacteria that gather on the surface of ice.
Researchers have developed a technique to isolate bacteria that interact with ice, leading to the discovery of species with properties such as Ice Recrystallisation Inhibition (IRI) and temperature-modifying abilities. These findings hold potential for applications in industries like snow-making and waste-water purification.
A new study reveals that the world's most widely used organic insecticide, Bacillus thuringiensis, requires the assistance of other microbes to perform its lethal work. The research demonstrates that the bacterium needs the presence of other bacteria in the insect gut to exert its influence.
A new study by University of Southern California researchers reveals that most bacteria species are predictable and follow specific conditions. By understanding these patterns, scientists can improve models for ocean change, providing a more accurate prediction of how the oceans will evolve.
New research published in Science reveals that specific bacteria present on gold grains precipitate gold from solution, providing a biological mechanism for gold formation. The study identified the bacterium Ralstonia metallidurans as responsible for this process, which has significant implications for the mineral exploration industry.
Researchers have found that various bacterial species can form electrically conductive wires under different environmental conditions, leading to a new understanding of microbial energy distribution. The discovery, made by microbiologist Yuri Gorby, suggests that the planet may be 'hard-wired' with electricity-producing bacteria.
A heat-shock protein vaccine was found to reduce alveolar bone loss in patients with periodontal disease. The vaccine eradicated multiple pathogenic species, suggesting its potential as a treatment for periodontal disease.
A recent study found that bacteria can utilize DNA as a critical food source, enabling them to outcompete other microbes and survive longer. The study identified eight genes necessary for this process, known as nutritional competence, which could have applications in medical research and the development of genetic antibiotics.
A recent study reveals that ants house specific species of bacteria in highly adapted cavities and provide them with nourishment, indicating a long-standing co-evolutionary relationship between the two organisms. This phenomenon has potential implications for addressing antibiotic resistance and may shed light on other natural systems.
Researchers sequenced Salinibacter ruber's genome, discovering evidence of independent evolution of salt-surviving biochemistry. The bacterium also borrowed genes from neighboring archaea in an unusual example of cross-domain lateral gene transfer.
Researchers have isolated a new antimicrobial peptide from the American oyster, which may help protect against bacterial pathogens causing food-borne illnesses. The discovery could aid in developing tests to monitor oyster health and improve disease-resistant oyster populations.
Researchers discovered that bacteria and elephants consume energy at a similar rate per unit mass, regardless of their body size. This finding suggests that living organisms can overcome physical limitations by adapting to their own biochemical characteristics.
Researchers have discovered that bacteria share a universal molecular vernacular called AI-2, which enables them to communicate and interfere with each other's behavior. This study shows that AI-2 can be used as a mechanism for one type of bacteria to block another from counting its neighbors and controlling its behavior.
Researchers discovered a unique partnership between Osedax worms and their symbiotic bacteria, allowing them to turn over large amounts of organic carbon at an accelerated rate. This process can potentially aid understanding of adaptation between animals and microbes.
Researchers found that 27 of 29 weed species can harbor Xylella fastidiosa, a bacterium causing Pierce's disease in grapes. Environmental conditions significantly impact bacterial growth, highlighting the need for targeted weed control measures to prevent disease spread.
Research reveals that new Vibrio bacteria species are similar to existing fish and shellfish pathogens, causing disease in fish and crustaceans. Around half of the new species killed fish in laboratory conditions, highlighting a significant risk to sea animals.
A new study reveals how bacteria, such as Haemophilus influenzae, stimulate the immune system to eliminate competitors like Streptococcus pneumoniae. The findings also suggest that antibiotics and vaccines targeting one microbe can impact interactions among other species present.
A study found six common bacteria in OSCC patients at significantly higher levels than controls. Three species were found to correctly predict over 80% of oral cancer cases, offering a potential non-invasive diagnostic test.
The study found oleanolic acid inhibited the growth of Streptococcus mutans and Porphyromonas gingivalis, two species associated with caries and gum disease. Raisins' phytochemicals may counter a public perception that they promote cavities.
Researchers discovered anammox bacteria in Atlantic Ocean, removing ammonium and releasing nitrogen gas, contradicting decades-long theory. The new findings have significant implications for the global nitrogen cycle, models of climate predictions, and marine ecosystems.
A nationwide study by UCI researcher found that nitrogen fertilization can have a devastating impact on rare plant species, causing a decline in diversity and even local extinction. The study analyzed 967 plant species across various ecosystems and identified simple plant traits as predictors of species risk.
Researchers found that bacterial lineages can be traced despite widespread gene-swapping, which affects medicine and treatment. The study also identifies common genetic material transmission mechanisms.
Researchers found that gut bacterium B. theta adapts its genome in response to changing nutrient conditions, allowing it to maintain stability of the gut's complex microbial society. The study reveals that this adaptability is crucial for maintaining intestinal health and preventing diseases such as obesity and diabetes.
A Carnegie Mellon-developed robot has detected life in the Atacama desert through a fluorescence system that can identify sparse microorganisms and visualize biofilms. The findings provide insights into detecting life on Mars, with implications for astrobiology research.
Researchers discovered a symbiotic relationship between a wasp species and a new bacterial species that protects against pathogenic fungi. The European beewolf's larvae benefit from the antibiotics produced by the Streptomyces bacteria, leading to increased survival rates.
A team led by Steven L. Salzberg and Michael B. Eisen found three new Wolbachia species in the Drosophila genome database, including Wolbachia wAna, wSim, and wMoj.
Researchers found that microbial diversity increases as the area they occupy increases, suggesting a universal law common to all domains of life. The study has significant implications for understanding ecology and biodiversity of tiny organisms.
A toxic molecule from bacteria causes massive tissue damage in humans but promotes organ development in a tiny Pacific Ocean squid. This discovery challenges long-held perceptions of microbes and their role as pathogens, highlighting the importance of context-dependent relationships between bacteria and host organisms.
A team of researchers, led by Himadri Pakrasi, aims to model the networks that cyanobacteria, Arabidopsis, and Physcomitrella use to cope with radicals. This study has potential applications for human biology and could lead to new therapies.
The bacteria sequester methane and turn it into methyl alcohol using methanobactin, a tiny pyramid-shaped compound with a cleft that holds a single atom of copper. Methanobactin serves to keep copper under control and protect the bacterial cells from its toxicity.
The research highlights the importance of natural organohalogens, which are found in various organisms, including plants, animals, and insects. These compounds have medicinal properties, such as treating cancer, bacterial infection, and HIV, and serve vital purposes like hormones, pheromones, repellents, and natural pesticides.