Articles tagged with Gene Transfer
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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.
A team of scientists has estimated that an average cell line acquires and retains roughly 13 percent of its genes every million years through lateral gene transfer. This process enables microbes to adapt to new environments and access essential nutrients. The study provides the first quantitative analysis of gene transfer rates across ...
Researchers found that bacterial movement and flagellar rotation activate conjugation genes, enabling DNA transfer in liquid environments. This discovery provides insight into the spread of antibiotic resistance across species.
A new study developed an AI model that can predict whether bacteria will become antibiotic-resistant by analyzing their genetic data. The model shows that antibiotic resistance is more easily transmitted between genetically similar bacteria and mainly occurs in wastewater treatment plants and inside the human body.
Researchers have uncovered a key mechanism involving Intermolecular Coulombic Decay (ICD) in aqueous environments initiated by heavy-ion irradiation, providing insights into the effectiveness of such irradiation. This process significantly increases the biological effectiveness of heavy-ion therapy.
Researchers discovered a novel mechanism of intercellular communication through mRNA transfer between stem cells, allowing for biologically significant effects such as cell fate conversion and pluripotent state maintenance.
A study published in iScience reveals that bacterial species are transferred between both individuals during sexual intercourse, and these species can be traced to a partner's unique genital microbiome. This discovery may provide a new tool for identifying perpetrators of sexual assault.
The study establishes a consensus nomenclature and characterization framework to advance mitochondria transfer and transplantation biology. It defines types of mitochondrial transfers and reviews methods to define and enforce these processes.
A new study reveals that anti-defense genes near the DNA entry point enable plasmids to overcome CRISPR system, promoting genetic transfer between bacteria. This discovery could pave the way for developing tools to address antibiotic resistance and genetic manipulation methods.
Researchers developed a novel lentivirus-based gene therapy strategy in CD34+ hematopoietic progenitor cells, which showed therapeutic levels of expression of the anti-sickling beta globin protein. Cyclosporin improved transduction efficiency and preserved cell viability.
New research from the University of Chicago shows that gut bacteria can acquire a gene that shuts down their own deadly weapon and activates a new one, allowing them to outcompete other bacteria. This transfer of genes enables the bacteria to carve out niches in the tightly packed recesses of the gut.
Researchers at Institute of Science Tokyo create terpene-based chiral capsules that facilitate the easy preparation of well-defined host–guest composites with tunable chiroptical properties. The resulting composites can be used in water without organic solvents, paving the way for advances in cutting-edge optical technologies.
Researchers found Numt insertions arise spontaneously and accumulate in brain tissues during development or lifespan. These insertions are prevalent in the human brain and can be found in fibroblasts.
A comprehensive set of genomic resources for Tausch's goatgrass has been established, shedding light on the evolutionary genetics of wheat. Researchers identified a stem rust resistance gene and a leaf rust resistance gene, which will aid in breeding more resilient wheat varieties.
Researchers unveil retrotransposon-derived DNA zip codes that enable myeloma cell internalization, shedding light on cancer evolution and treatment response. The findings highlight the potential of zip-code technology in improving patient outcomes and advancing human health.
Researchers discovered that transferring regenerative genes from simple organisms into fruit flies can suppress age-related issues and promote greater intestinal stem cell division. This breakthrough has implications for developing new strategies to rejuvenate stem cell function and extend healthy lifespans, particularly in humans.
β-Thalassemia patients experience iron overload due to increased intestinal absorption and transfusions, leading to oxidative stress and tissue damage. Chelation therapy is the cornerstone of treatment, but novel therapeutic strategies are needed to optimize patient outcomes.
Researchers at the University of Birmingham identified specific groups of neurons in the female fly's brain responding to the sex-peptide, which influences post-mating behaviors. The study found that the peptide targets higher-order 'command neurons' essential for behavioral decision-making.
Non-flowering bryophytes, including mosses, have sophisticated immune receptor repertoires that can be transferred between flowering and non-flowering plants. This discovery offers a new source of resistance genes against pathogens for major crops facing climate change threats.
A breakthrough in chrysanthemum breeding uses CRISPR/Cas9 to enhance disease resistance and genetic research. The study establishes a reliable gene-editing system for chrysanthemums, which promises to advance genetic research and improve the breeding of ornamental plants.
Research found a significant association between HLA-G polymorphism G*0104N exon 3 and recurrent pregnancy loss (RPL) in women from Kashmir. The study suggests this variant may confer a risk for RPL within the population, indicating a substantial risk factor.
Researchers have developed a medicated foam that can deliver expensive gene therapies to cells, showing promise for treating cancers and autoimmune diseases. The foam outperformed liquid formulations in laboratory studies and showed no significant side effects when injected into mice.
Researchers used advanced gene network analysis to decode Campylobacter jejuni's complex genetic network and understand its role in antimicrobial resistance. The study identified hub genes and functional relationships that could serve as potential drug targets for combating antibiotic-resistant C. jejuni infections.
Breast cancer study reveals seven pivotal genes are upregulated in tumor tissues, indicating critical role in disease progression and poorer patient prognosis. In vitro validation supports overexpression of these genes in breast cancer, emphasizing their importance as potential therapeutic targets.
The study reveals the RNA microarray gene expression profiles of two critical superbugs, Klebsiella pneumonia and Pseudomonas aeruginosa. It identifies shared significant genes and drug resistance genes, highlighting their divergent evolution and potential association with resistance mechanisms.
Researchers at ETH Zurich discovered a previously unrecognised mechanism for reduced fertility in polyploids, where twisted pollen tubes fail to reach the egg cells. The study found two genes controlling pollen tube growth, which are highly conserved and could be applied to plant breeding.
Researchers successfully transmitted familial Alzheimer's disease to normal lab mice through bone marrow stem cell transplant. The recipients developed cognitive decline and amyloid buildup at an accelerated rate, highlighting the systemic nature of Alzheimer's disease.
A Washington State University-led research team discovered a set of genes in wild bacteria that allow them to survive exposure to nickel, enabling them to thrive in toxic soils. The genetic discovery could inform future bioremediation efforts to return plants to polluted soils.
A recent study successfully transferred ECF switches from Escherichia coli to Sinorhizobium meliloti, demonstrating high transferability and functionality across species. The findings suggest that these bacteria could serve as universal hosts for synthetic biology applications.
Researchers found that dysregulation of RNA transfer between cells in different tissues shortens lifespan in roundworms. They demonstrated that this phenomenon, termed Intercellular/Extracellular Systemic RNA imbalance (InExS), can be caused by an increase in RNA uptake from the environment, leading to a reduction in organism's lifespan.
Scientists have successfully replicated QS-21, a potent vaccine adjuvant, in an alternative plant host for the first time. This breakthrough enables the production of this highly valued compound in a more sustainable manner.
A study reveals that mothers with high levels of dental plaque are 8 times more likely to transfer Candida albicans, a fungus involved in tooth decay, to their babies. This highlights the critical role of good oral hygiene for both mother and child.
The study reveals the critical role of 6mA in lipid accumulation in Nannochloropsis oceanica under high light conditions. Disruption of 6mA levels affects gene expression and biomass production, highlighting its importance in optimizing microalgae for industrial uses.
Researchers from Nagoya University found that electric eel discharges can genetically modify small fish larvae, demonstrating the potential for electroporation in nature. The study's findings suggest that electric fields can affect gene transfer in organisms, leading to new insights into genetic modification.
The Cre-LoxP system's specificity is compromised due to non-specific promoters driving Cre expression, leading to inaccurate results. This limitation requires careful consideration for proper interpretation of experimental outcomes.
Researchers have developed a novel approach, REVeRT, to efficiently transport large genes using dual AAV vectors at the transcript level. This new method offers increased efficiency, fewer side effects, and greater flexibility compared to existing strategies.
A new Australian study suggests harnessing genomic surveillance technology can detect the rise of deadly 'superbugs', slowing their evolution and spread to improve global health outcomes. The study highlights the need for a multifaceted 'One Health' approach to surveillance, with practical recommendations for implementation.
Scientists identified two genes, ADRA2A and IRX1, that predispose individuals to Raynaud's phenomenon. The genes affect the body's ability to regulate blood vessel constriction, leading to white fingers and toes in response to cold or stress. The study provides new insights into the disease and potential treatment options, including th...
A multidisciplinary team investigates hospital wastewater samples and demonstrates the effectiveness of photocatalytic treatment in reducing pharmaceutically active compounds and bacteria. The study highlights the challenges posed by antibiotic-resistant bacteria and suggests a promising step towards sustainable wastewater treatment.
North Carolina State University researchers successfully transferred an important gene from one compartment of a plant cell to another, producing tobacco plants that lack pollen and viable seeds. The findings could lead to better ways of producing hybrid seeds to maximize crop productivity.
Scientists successfully transfer a longevity gene from naked mole rats to mice, resulting in improved health and a 4.4% increase in median lifespan. The gene enhances cellular repair and protection, reducing inflammation and cancer risk, paving the way for potential human longevity benefits.
A research team at Ritsumeikan University has identified the elusive ApiT gene in celery, crucial for apiin synthesis. The discovery may pave the way for efficient biosynthesis of apiin, a compound with potential health benefits and medicinal uses.
The study reveals two OsRALF peptides essential for pollen tube germination and elongation, crucial for double fertilization. Exogenous application of these peptides enhances pollen tube elongation, while inhibiting germination at higher concentrations.
A KAUST-led team has compiled the first complete genome map of einkorn, an ancient grain that could help develop bread wheat varieties with enhanced disease resistance and improved hardiness. The study reveals a complex evolutionary history of wheat species, including gene flow between einkorn and wild cousins.
Researchers at EMBL Heidelberg discovered that mutations in the RBM20 gene cause familial DCM by disrupting normal RNA splicing, leading to detrimental cytoplasmic granules. Targeted gene editing via CRISPR-Cas9 and restoring nuclear localisation of RBM20 could improve therapy options for patients.
Fetuses use a copy of a gene inherited from their dad to force their mum to release as much nutrients possible during pregnancy. This 'remote-control' system is operated by genes that can be switched on or off depending on whether they are a 'dad's' or 'mum's' gene.
This study found that nucleo-cytoplasmic interaction is a crucial factor in male sterility of seedless cybrid citrus, affecting stamen development and pollen abortion. The researchers identified genes involved in stamen development and proposed a potential nucleo-cytoplasmic interaction network.
A research group at Nagoya University used AI to determine that Piezo plays a crucial role in controlling the mating posture of male fruit flies. Inhibition of Piezo led to an ineffective mating posture, resulting in decreased reproductive performance.
Researchers developed Precious1GPT, a multimodal transformer-based approach for aging clock development and feature importance analysis. The model utilizes methylation and transcriptomic data to predict biological age and identify disease-related genes, providing a pathway for therapeutic drug discovery.
Indiana University School of Medicine researchers will investigate muscle-directed gene therapies and test alternative treatment options for degenerative disorders like Duchenne muscular dystrophy. The goal is to develop more successful and long-term ways to help patients living with muscle disorders.
Researchers have cloned the wheat rust resistance genes Lr9 and Sr43, revealing that they encode unusual kinase fusion proteins. This breakthrough enables new options for addressing disease resistance in bread wheat and could lead to heat-resistant versions of the Sr43 gene to adapt to climate change.
Researchers tracked antimicrobial resistance in E. coli isolated from swine between 2013 and 2019, finding an increasing trend of resistance to ceftriaxone. The study highlights the need for surveillance systems to monitor microbes and develop mitigation strategies to address this growing concern.
Researchers discovered that gut bacteria's F-pili are stronger in harsh conditions, enabling efficient gene transfer and biofilm formation. The findings highlight the challenge of combating antibiotic resistance and suggest exploiting similar molecular properties for precise drug delivery.
Researchers discovered a plant biological clock-regulated mechanism that helps plants tolerate cold temperatures and damage from bright light. The mechanism, controlled by the SIG5 gene, signals proteins in chloroplasts to protect against environmental stress, potentially improving crop resilience for colder climates.
Researchers found that seminal fluid protein sex peptide alters the female fly's behavior by changing the expression of genes involved in metabolism and the circadian clock. Post-mating, sex peptide increases egg-laying, aggression, activity and feeding while reducing sleep and interest in mating.
Researchers developed a flexible genetic hacking system to convert split gene drives into full gene drives, enabling safe testing and potential real-world applications. The new system revealed surprising fitness costs of full drive systems, with slower-than-predicted spread rates in cage experiments.
Composite wastewater samples taken over 24 hours reveal a more accurate representation of antibiotic-resistant genes, with levels 10 times higher than 'snapshots'. Chlorination can negatively impact water quality, highlighting the need for improved treatment protocols.
A global study reveals that antimicrobial resistance genes in bacteria are driven by various factors, including geographic regions and hosts. The research identifies key genes conferring resistance to critically important drugs, shedding light on the mechanisms of transmission and the need for collaborative interventions.
Researchers discovered Borgs, DNA packages that supercharge methane-eating microbes' metabolic rate. These genetic elements play a role in balancing atmospheric methane levels by encoding cellular machinery for methane consumption.
Researchers used multiple 'omics' techniques to evaluate spindle transfer, a new IVF option that avoids mitochondrial disease inheritance. The study found no significant differences in DNA copy number or RNA expression profiles between spindle transfer and control embryos.