Articles tagged with Horizontal Gene Transfer
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A new review highlights how complex microbial communities, including those in the human gut and environment, drive antimicrobial resistance evolution. The study identifies five pathways of horizontal gene transfer that enable bacteria to share resistance genes within communities.
A new study shows that even small amounts of antibiotics in the environment can significantly accelerate the spread of antibiotic resistance genes among bacteria. The research found that low concentrations of antibiotics can stabilize existing resistance and promote the development of new resistance traits.
New research reveals fungi's deep timeline, dating back 1.4-0.9 billion years, which influenced ancient terrestrial ecosystems and shaped the evolution of life on land. The study uses rare genetic 'gene-swap' clues to overcome the fungal fossil record gap.
This comprehensive metagenomic survey reveals vast gut microbiome diversity, with 21,902 species-level genome bins identified. The study also uncovers a significant reservoir of previously uncharacterized microbes and identifies high-risk antibiotic resistance genes across 14 mammal species.
Researchers identified colistin-resistance genes in imported shrimp and scallops, highlighting the risk of antimicrobial resistance spread through food imports. The study's findings emphasize the need for global monitoring systems to combat this growing public health threat.
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 found that fruit flies have stolen a toxin-producing gene from bacteria to defend against parasitic wasps, which can turn fly larvae into surrogate wombs for baby wasps. This discovery highlights the importance of horizontal gene transfer in animal evolution and suggests it may be more common than previously thought.
Researchers have discovered a dynamic cross-kingdom horizontal gene transfer between plants and bacteria, transferring 75 genes that enhance carbohydrate metabolism and hormone synthesis. This finding opens up exciting possibilities for biotechnological applications in agriculture.
Researchers found that rotifers acquire genes from bacteria and produce resistance weapons, such as antibiotics and antimicrobial agents. The team's findings suggest that rotifers could give important clues in the hunt for new antibiotics to treat human infections.
Arctic Mycena mushroom species have unusually large genomes, expanding beyond general Mycena expansion. Genomes show widespread growth across their genome, with genes and elements acquired through horizontal gene transfer.
Researchers discovered that Streptomyces davawensis produces virus-like particles facilitating host reproduction. The particles contain an enzyme degrading genomic DNA, allowing for extracellular DNA release and scaffold creation. This finding reveals the exploitation mechanism of virus-related nanoparticles for bacterial proliferation.
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.
Researchers are developing CRISPR-Cas gene editing technology to modify and attack AMR bacteria, offering new tools to battle the increasing rates of antimicrobial resistance. By targeting specific genes and using phage-based delivery systems, scientists aim to develop safer therapies.
Researchers uncover evolutionary history of secreted iron uptake molecules in yeasts, revealing complex dynamics between cooperation and competition for this essential nutrient. Yeast species have developed alternative mechanisms to utilize siderophores without producing them, offering insights into the evolution of microbial strategies.
A recent study found that infants born via C-section have more antibiotic-resistant genes, while antibiotic use and prematurity fuel resistance. Infants from Africa had more resistant genes than those from Europe. Probiotics may help reduce the spread of antibiotic resistance in infants by targeting their gut microbiome.
Researchers found that macroalgae acquired new genes for cell adhesion, differentiation, communication, and transport from viruses, which played a critical role in their evolution to multicellularity. The study provides valuable genomic resources for further studies on the biology of macroalgae.
Researchers at MBL have found a genetic arrangement that confers antibiotic resistance to the bacterium Bacteroides fragilis, which may help it protect itself from tetracycline. The study highlights the role of transposons in horizontal gene transfer and potential mechanisms for controlling gene expression.
Researchers identified 10 new types of DNA polymerase involved in mitochondrial DNA maintenance, including rdxPolA, which is a direct descendant of the α-proteobacterial symbiont that gave rise to the first mitochondrion. The study provides critical insights into the early evolution of mitochondrial DNA maintenance machinery.
Researchers found duplicated antibiotic resistance genes in bacteria from environments with higher antibiotic use, increasing the likelihood of evolution and resistance to new treatments. The study suggests using antibiotics more efficiently could address the growing antibiotic resistance crisis.
Recent research by scientists at Boyce Thompson Institute reveals that a specific fatty acid produced by gut bacteria directly influences fat metabolism in animals. This discovery sheds light on the complex interplay between diet, gut microbiota, and host metabolic health.
Scientists engineered yeast that can harness energy from light, growing 2% faster in the light than in the dark. This discovery provides key evolutionary insights into how rhodopsins spread across lineages and has potential applications for biofuel production and studying cellular aging.
Researchers have sequenced 52 Psilocybe specimens, including 39 species previously unsequenced, to understand the evolution of psychoactive psilocybin production. The study reveals two distinct gene orders within the psilocybin-producing gene cluster, suggesting an ancient split in the genus.
Researchers discovered that parasites like horsehair worms use stolen genes to control host behavior. They found over 3,000 genes expressed more in manipulated hosts, suggesting the parasite produces its own proteins for manipulating nervous systems.
A new study reveals that grasses can transfer DNA from other species into their genomes through lateral gene transfer, giving them an advantage in growth and adaptation. This process could inform future work to improve crop productivity and resilience.
Researchers at KAUST discovered that certain combinations of stressors increase gene-transfer rates, while others reduce it. They found synergistic effects from combining stressors like UV light and disinfection chemical byproducts, as well as antagonistic effects from chloroform.
Researchers warn that microplastics and nanoplastics in agricultural soils could contribute to antibiotic-resistant bacteria entering the food chain. This phenomenon is not well known, but studies suggest that plastics can act as vectors for transmitting pathogenic and antimicrobial resistant bacteria.
Researchers have engineered bacteria that can detect tumor DNA in a live organism, using CRISPR technology. The bacteria, Acinetobacter baylyi, were designed to respond to specific DNA sequences associated with cancer, allowing for early detection and potentially preventing disease progression.
Researchers at NUS and Imperial College London have discovered a new way bacteria share genes, enabling rapid evolution. Lateral cotransduction enables SaPIs to transfer themselves intact with bacterial DNA, making them potent transducing agents.
Researchers from IMBA identify a family of virus-like transposons called Mavericks that facilitate horizontal gene transfer (HGT) between reproductively isolated worm species. The study reveals the role of Mavericks in overcoming the species barrier, with potential applications in pathogen control and genomic innovation.
Researchers investigated factors influencing horizontal gene transfer (HGT) in bacteria, finding that divergence and protein connectivity interact to limit its success. The study supports the Complexity Hypothesis, suggesting that newly transferred genes struggle to engage in normal protein-protein interactions.
Researchers at Osaka Metropolitan University have discovered the transfer of pathogenic genes within bacterial cells of genus Providencia, offering new insights into infection routes and prevention strategies for food poisoning. The findings are published in Infection and Immunity.
Researchers at University of California - San Diego found that vertebrates acquired a special protein from bacteria more than 500 million years ago. This discovery reveals a new piece of genetic material introduced from foreign bacterial genes, leading to unique functionality in vertebrate eyes.
Scientists create modified E. coli bacteria that cannot be infected by viruses while minimizing gene escape into the wild. This breakthrough technology has implications for reducing viral contamination in biotechnology production, such as insulin production and biofuel manufacturing.
The study suggests that human exchanges, such as trade and travel, and exchanges between ecosystems drive the spread of aminoglycoside resistance. Aminoglycoside genes were detected in over 160,000 bacteria genomes across all continents, with most found in clinical, human, and farm samples.
Scientists have identified horizontally transferred genes in insect genomes as valid targets for selectively killing green peach aphids and whiteflies. Silencing these genes using RNA interference reduces pest survival by up to 40%, with potential expansion to other insects through 'stacking' multiple targets.
Researchers discovered a new mode of vertical mother-to-infant microbiome transmission, where microbes shared genes with each other. The study found links between gut metabolites, bacteria, and breastmilk substrates, influencing infant development before and after birth.
A new study led by UCSC scientists suggests that introners are the source of most introns across species, providing a plausible explanation for their vast majority. The researchers found evidence of introners in 5.2% of surveyed eukaryotic species and suggest they may be a fundamental mechanism driving genomic complexity.
Researchers found that horizontal gene transfer can accelerate bacterial adaptation under most growth conditions, but not all. By analyzing the fitness effects of gene transfer, they can predict when it will provide an advantage.
Researchers identified 49 plant genes transferred to the silverleaf whitefly genome, including genes neutralizing toxins produced by plants as a defense mechanism. This discovery opens up new research opportunities for innovative pest control methods based on plant breeding, potentially reducing pesticide use.
The study found that microbial enzymes are essential for the digestion of pectin in leaf beetles, allowing them to access nutrient-rich plant cells. The researchers also discovered that leaf beetle species acquire these enzymes through horizontal gene transfer from other microbes.
Biomedical engineers at Duke University found that high levels of horizontal gene transfer help keep microbiomes stable and efficient, allowing for the creation of bespoke systems for environmental cleanup and biofuel production. The study suggests a dynamic division of labor among microorganisms enables robustness and flexibility.
Two papers published in Nature Plants unveil the first full-length genomes for homosporous ferns, a group containing 99% of modern fern diversity. The Ceratopteris genome suggests that ferns stole genes from bacteria for anti-herbivory toxins.
A study reveals that over 1,400 genes in 218 insect species originated from bacteria, viruses, fungi, and plants through horizontal gene transfer. This discovery suggests that these genes contributed to beneficial traits such as mating behavior, nutrition, and adaptation to environmental changes.
Researchers explore the emergence of antibiotic resistance genes in bioaerosols, including sources and detection strategies. The study highlights the need for monitoring and understanding the relationship between human, animal, and environmental microbiomes to counter the spread of AR.
Researchers discovered a bacterial enzyme that enabled the evolution of longhorned beetles to break down complex plant cell wall components. The study found that gene duplication played a key role in increasing the diversity and specificity of these enzymes.
A group of researchers discovered a new species of green algae, Gormaniella terricola, in Central New York State. The alga's unique chloroplast genome was found to contain DNA from fungi and bacteria, highlighting the importance of horizontal transfer.
Researchers from the University of Tsukuba discovered a mechanism for the transfer of antibiotic resistance among Staphylococcus aureus bacteria through natural transformation. The study found that biofilm formation promotes horizontal gene transfer, which can lead to the spread of methicillin resistance.
Researchers found that hundreds of bacteria genes were integrated into ancient plants, granting them desirable traits for land colonization. The study suggests horizontal gene transfer played a significant role in land-plant evolution, allowing plants to adapt rapidly to new environments.
A team of researchers has discovered a novel epigenetic mark in bdelloid rotifers, small freshwater animals, that allows them to control jumping transposons. This marks the first time a horizontally transferred gene has reshaped the gene regulatory system in a eukaryote.
Researchers discovered that microbes capable of extracellular electron transfer (EET) are spread through horizontal gene transfer and exist in various environments worldwide. The genes, which enable EET, were found in a wide range of organisms, from deep-sea microbes to human gut bacteria.
New research reveals that gene exchange between viruses and their hosts plays a major role in shaping the tree of life. The study found that viruses acquire genes from their hosts to hone their infection process, while also co-opting useful viral genes from hosts.
Researchers at Cornell University used machine learning to predict the spread of antibiotic resistance genes among bacteria, identifying potential networks of exchange and driving factors. The approach could help control the spread of antibiotic resistance and develop new targets for novel antibiotics.
Researchers analyze Plakobranchus ocellatus type black sea slug genome, finding chloroplasts retain photosynthetic capability for months. The study reveals no evidence of algal genes encoded on the sea slug genome, suggesting alternative mechanisms behind kleptoplasty.
A recent study by biophysicists at the University of Cologne shows that bacteria can easily integrate genetic material from other bacterial strains, producing hybrid organisms with extensive genomic and functional changes. This horizontal gene transfer enables rapid evolution and can drive evolutionary processes efficiently.
The sequencing of the cauliflower coral genome provides a resource for studying genetic adaptation to different environmental conditions. The analysis revealed approximately 27,500 genes, with a higher percentage of repetitive elements than closely related corals.
A recent study suggests that giant viruses, such as medusavirus, may hold the key to understanding the evolutionary origins of the eukaryotic nucleus. The virus's ability to occupy and use the host nucleus for replication provides evidence for lateral gene transfer between ancient proto-eukaryotic cells and giant viruses.
Genomic analysis uncovers lineages specializing in cattle colonization; intensification of agriculture led to adaptation of generalist lineages, potentially creating zoonotic pathogens.
Researchers identified bacterial exchange of genes allowing resistance to antibiotics, highlighting the complex process and potential for frequent sharing in hospital settings. The study's findings have implications for designing new strategies to prevent and control multidrug-resistant bacterial infections.
Researchers have identified a gene from a wild wheatgrass relative that confers resistance to fusarium head blight in wheat. The Fhb7 gene, likely transferred from a fungus, detoxifies mycotoxins produced by Fusarium fungi and promotes broad resistance without affecting yield.
A new study reveals that genes from soil bacteria were transferred to algae through horizontal gene transfer, allowing early life to move from water to land. This process, known as terrestrialization, marked a crucial event in the evolution of life on Earth.