Articles tagged with Bacterial Symbiosis
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Researchers discovered that certain bacteria wrap their rotating flagella around their cell bodies to form a screw thread, allowing them to propel forward through narrow passages. This mechanism enables bacteria to navigate complex environments and even infect host insects.
The reed leafhopper hosts at least seven species of bacteria, with three being essential for its nutrition. The insect transmits plant diseases SBR and stolbur, causing massive crop failures in sugar beet and potato production.
A team of scientists has imaged bacterial symbionts inside the ovaries of tiny crustaceans, discovering that these bacteria manipulate host reproduction and are transmitted from mothers to offspring. This finding provides a unique model for studying endosymbiosis in an aquatic arthropod.
Researchers found that symbionts of reed beetles regulate gene expression according to the beetle's life stage, diet, and environmental conditions. The study shows that these bacteria can maintain a regulated metabolism with a minimal set of genes, suggesting a flexible and adaptable approach to support their hosts.
Researchers at Nara Institute of Science and Technology have found beneficial microbes in rice roots that can support plant growth and reduce the need for synthetic fertilizers. The study reveals an increase in microbial diversity as plants mature, with nitrogen-fixing bacteria enriching the soil.
Researchers found a total of 2,829 genetically defined species, with bacteria richness being 10.3 times greater than eukaryotes. The study revealed previously unknown associations between bacteria and eukaryotes, suggesting novel mutualisms that may promote nutrient exchange.
Researchers discovered symbiotic bacteria accompanying single-celled protists in the ocean's upper layer. The bacteria, including close relatives of pathogenic species like Coxiella and Rickettsia, may aid or harm their protist hosts, depending on context.
Researchers analyzed 74 leaf beetle species to understand how they digest plant cell wall components. They found that most species use either their own pectinases or those from symbiotic bacteria, with no overlap between the two.
Researchers discovered a set of genes in Lactiplantibacillus plantarum that enable it to stably attach to host tissue, revolutionizing our understanding of microbiome colonization. This breakthrough could lead to the creation of targeted probiotics and improved gut health.
Researchers found peculiar mitochondria-like symbionts in freshwater lakes, groundwater, and wastewater worldwide, revealing surprising metabolic capacities. They can respire oxygen in addition to nitrogen, impacting the nitrogen cycle and potentially producing greenhouse gases.
Researchers have discovered two previously unknown bacterial species in deep-sea corals from the Gulf of Mexico. These bacteria have extremely reduced genomes and lack the ability to break down carbohydrates, surviving on amino acids instead. The discovery provides insights into the unique adaptations of deep-sea organisms.
A new study has identified novel strains of microbes that have adapted to use limited resources in cities, including those found in Hong Kong's subways and skin. These microbes can metabolize manufactured products, posing health risks if they are pathogenic.
Researchers discovered that sponges in the Gulf of Eilat employ a unique tactic to deter predators by storing high concentrations of toxic molybdenum. The symbiotic relationship between the sponge and a bacterium enables this process, allowing the sponge to accumulate metals and neutralize their toxicity.
Researchers found that antlions have a highly effective and complex venom system, producing multiple venom proteins and digestive enzymes to overpower large and defensive prey. Unlike previously thought bacteria-assisted venom production, antlions are free of bacterial symbiotic partners.
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.
Researchers suggest helping coral symbionts evolve heat tolerance in the lab to protect corals from summer heatwaves. This approach may be used in conjunction with other measures like assisted gene flow and reef management to maximize the likelihood of coral reefs persisting into the future.
Scientists have identified a new symbiotic relationship between insects and bacteria, Symbiodolus, which is widespread across different insect species. The bacteria are found in reproductive organs and can be transmitted from parents to offspring, highlighting the complex interactions between hosts and symbionts.
Researchers studied bacterial evolution in lucinid clams surrounding the Isthmus of Panama, where Caribbean and Pacific environments differ significantly. The study found that symbiotic bacteria adapted to these changes by acquiring nitrogen fixation genes and developing unique metabolic capabilities.
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.
Scientists find new partnership between diatoms and Rhizobia bacteria in ocean nitrogen fixation, playing a crucial role in sustaining marine productivity. The discovery has exciting implications for agriculture, particularly for breeding crops that can thrive without fertilizers.
Researchers found a symbiotic relationship between cyanobacteria UCYN-A and marine algae, B. bigelowii, where UCYN-A fix nitrogen gas into ammonium without regulating dinitrogen use. This suggests they may be on the path to becoming organelle-like structures.
Researchers deciphered a novel process helping viruses choose to be nasty or friendly to their host bacteria. Phages use the bacterial immune system to make decisions, activating violent mode when necessary.
A team of researchers has determined the detailed mechanism of cyclization catalyzed by the cyclization domain of cyclic β-1,2-glucan synthase from Thermoanaerobacter italicus. The study reveals that the enzyme produces β-glucosidase-resistant compounds and features a transglycosylation reaction.
Legume plants have a unique ability to interact with nitrogen-fixing bacteria, allowing them to thrive without external nitrogen. Researchers identified four essential phosphorylation sites on the SYMRK kinase that mediate this symbiotic relationship.
Researchers discovered IMA peptides facilitate iron transport to root nodules for nitrogen fixation in legume plants. These peptides maintain nitrogen homeostasis and regulate plant growth in response to increased nitrogen concentrations.
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.
A new study reveals that cycad species that survived the dinosaur extinction relied on symbiotic bacteria in their roots for nitrogen. This discovery sheds light on how these plants adapted to changing environments and could provide insights into understanding Earth's climate history.
Researchers analyzed DNA sequenced datasets of microbes collected from salt marsh sites to study the relationship between cordgrasses and sulfur-cycling microbes. They found diverse microbial communities with varying combinations of genes for sulfate reduction and sulfur oxidation, allowing them to thrive in salt marsh sediments.
A graduate student's accidental discovery sheds light on how squash bug nymphs acquire essential bacteria. Researchers found that the nymphs eat adult feces to obtain the necessary microbes, an elegant solution to a basic problem. This finding may offer insights for improved methods to control squash bugs, a significant agricultural pest.
Researchers at the University of Gothenburg have developed a new strategy for producing oxygen-tolerant probiotics, including Faecalibacterium prausnitzii, which can improve glucose control. The combination of bacteria increased biomass and butyrate production, making it safe for human consumption.
Female beewolves release toxic nitric oxide to kill mold fungi in brood cells, but their symbiotic bacteria are protected by hydrocarbons secreted from their antennae. These hydrocarbons block the diffusion of nitric oxide and prevent bacterial harm.
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 has shown that the mutual symbiosis between bacteria and fungi can be fragile, as a specific protein maintains the balance. When this protein is absent, the bacteria are trapped within fungal hyphae and die.
Coral cells use a molecule called LePin to mark friendly algae for ingestion, a mutually beneficial relationship that helps corals survive. This discovery could inform strategies to prevent coral bleaching and promote coral resilience.
Researchers discovered that a Mediterranean marine worm can produce phytosterols de novo, and other animals have the genes to make these plant sterols. This finding reveals that many animal species may benefit from phytosterols' ability to improve blood cholesterol levels.
Research reveals auger beetles rely on two symbiotic bacteria for cuticle synthesis and survival, highlighting the importance of these partnerships. The discovery sheds light on beetle adaptations to harsh environments, showcasing convergent evolution of symbiosis.
A new study reveals that different species of bacteria colonize specific areas on diatoms, reflecting their metabolic properties. The findings provide insight into the complex interactions between algae and bacteria in marine environments.
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.
An international research team analyzed over 400 Omnitrophota genomes, uncovering details about their biology and behavior. The study found that Omnitrophota are hyperactive with high metabolic rates, possibly as predators or parasites of other microorganisms.
The giant faba bean genome has been successfully sequenced, offering insights into its traits such as drought tolerance and protein content. This breakthrough has the potential to improve crop yields and reduce reliance on artificial fertilizers, making faba bean a more attractive crop for sustainable agriculture.
A study by researchers at TUM found that gut bacteria play a crucial role in liver regeneration. The microbiome produces short-chain fatty acids, which are essential for liver cell growth and division. In mice treated with antibiotics, liver regeneration was delayed or not possible, but a
Researchers developed a novel strategy to engineer root nodule symbiosis in legumes and cereals using nanobodies. This approach, tested in barley and Lotus plants, initiates nodulation by bringing receptors together, revealing the core complex involved in symbiotic signaling.
Researchers discovered that genetic duplication of genes is crucial for the formation of symbiotic structures between nitrogen-fixing bacteria and legumes. This discovery has potential to engineer other plant species to fix nitrogen directly, reducing dependence on manure and synthetic fertilizer.
A new study on rhesus macaques reveals a strong link between social connections and the abundance of beneficial gut bacteria. Monkeys with more sociable behavior have a higher presence of microbes like Faecalibacterium, which has anti-inflammatory properties.
Tagbo Niepa's research aims to capture and store a person's healthy gut microbiome, then restore balance when ill. The technology has the potential to revolutionize illness treatment, especially for diseases like C. diff infection.
Research reveals that symbiotic bacteria, Burkholderia gladioli, produce antifungal compound lagriamide to protect Lagria beetles' eggs, larvae, and pupae from fungal infections. The bacterial community remains intact during molting stages, providing crucial defense against pathogens.
Researchers found that soil microbiota facilitates the growth of invasive garden lupine and provides defense against herbivores. The plants grown with natural soil microbes produced compounds that deter snails, while those with reduced microbiota showed no such effect.
Beetles of the genus Lagria have evolved specialized 'back pockets' to store symbiotic bacteria, which are then relocated to reproductive organs during metamorphosis. The mechanism behind this process is not yet fully understood.
Researchers at MIT discovered a peptide that sequesters heme, an iron-containing molecule, and sends bacteria into an iron-starvation mode, potentially treating diseases like periodontal disease and sickle cell disease. This finding could translate to therapeutic applications for patients with excessive heme in their blood.
A newly published framework outlines steps for administering probiotics to wildlife, prioritizing native species, effective dosages, and delivery systems. The goal is to restore beneficial bacteria and protect key symbiotic relationships, while considering potential risks and side effects.
A new study in Frontiers in Microbiology found that centuries-old lava caves on Hawaiʻi Island harbor an astonishing number of previously undiscovered bacterial species, including the Chloroflexi group. These microbes play key ecological roles in their communities and may have played a crucial role in shaping life on Mars and early Earth.
A team of ecologists from CU museum identified over 7,000 organisms, mostly bacteria, in the guts of Rocky Mountain snails collected between 1920 and 2018. The findings show that microbiomes can offer insights into how animals interacted with their environments centuries ago.
Researchers identified a specific bacterial microbe, Bombella apis, that can thrive in royal jelly and increase its amino acid content. This microbe helps developing bees build resilience against nutritional stress, making them smaller but healthier.
Alison Ravenscraft, a UTA assistant professor of biology, has received a $895,000 grant from the NSF's Faculty Early Career Development Program. Her research focuses on how gut microbiota helps insects break down plant toxins, potentially reducing crop losses and pesticide use.
A research team discovered that bacterial cellulose produced by Komagataeibacter bacteria survived on Mars-like conditions. The study found minor changes in the genome after reactivation on Earth, suggesting cellulose as a potential biomarker for extraterrestrial life.
Researchers observed that bacteria change their swimming behavior to avoid getting stuck in confined spaces. In open areas, bacteria meander without discernible pattern, but upon entry into tight spaces, they straighten their paths to escape, suggesting physical features like walls and corners serve as crucial cues.
Seagrasses release massive amounts of sugar into their soils, storing up to 35 times more carbon than forests. Microbes thrive on the sucrose despite phenolics inhibiting metabolism, and beneficial relationships between plants and rhizosphere microorganisms are found.
Eukaryotes emerged in an anoxic environment in the ocean, and their mitochondria-bearing cells likely resulted from a merger between archaea and bacteria. This finding contradicts the long-held view that oxygenation of Earth's surface environment led to eukaryogenesis.
Researchers have made a breakthrough in controlling bacterial nitrogen fixation by cereals, enabling them to produce their own ammonia fertiliser. This development has the potential to reduce reliance on industrially produced ammonia-based fertilisers and mitigate environmental pollution and greenhouse gas emissions.
The John Innes Centre researchers identified the role of the signaling protein CaM2, which regulates calcium channels and shapes calcium signals. This led to accelerated calcium frequency, earlier signaling with bacteria, and enhanced root nodule symbiosis in engineered legume roots.