Articles tagged with Genetic Material
Researchers found that TRF1 protein loss led to leaner mice with altered metabolic profiles, including lower LDL cholesterol levels and improved blood sugar regulation. These benefits occurred without any detectable shortening of telomeres.
The Global Pathogen Analysis Platform (GPAP) will enable low- and middle-income countries to conduct research and surveillance of infectious diseases independently. The platform aims to prevent disease outbreaks from developing into pandemics by detecting genetic sequences of potential pathogens.
Researchers used a new high-resolution mapping technique to find small 3D loops connecting regulatory elements and genes that persist during cell division. These loops strengthen when chromosomes become more compact, potentially helping cells 'remember' interactions from one cell cycle to the next.
Researchers developed an mRNA vaccine that suppresses abnormal blood vessel growth in mouse models of age-related macular degeneration. The vaccine is as effective as current therapies and offers a convenient alternative to frequent eye injections.
Researchers at Stowers Institute for Medical Research have identified the precise location where human chromosomes break and recombine to form Robertsonian chromosomes. The study reveals that repetitive DNA sequences play a central role in genome organization and evolution, explaining how these rearrangements form and remain stable.
Researchers at MIT have developed a new approach to gene editing that reduces errors by up to 90%, making it a safer alternative for treating genetic diseases. The technique uses modified versions of the Cas9 enzyme to target specific DNA sequences, reducing off-target effects and increasing precision.
The Alliance for Clinical Trials in Oncology will host a public webinar showcasing key findings from the 2025 ASCO Annual Meeting. Researchers will discuss latest information on colorectal, squamous cell, and renal cell cancers.
Researchers developed a chemical probe that binds to damaged mitochondrial DNA, blocking enzymatic processes that lead to its degradation. This approach lessens mtDNA loss, preserving energy production in vulnerable tissues. The new molecule successfully reduced inflammation and maintained functional DNA despite chemical tagging.
A new study suggests that interbreeding between humans and Neanderthals may be responsible for the neurological condition Chiari Malformation Type 1. The research, published in Evolution, Medicine, and Public Health, found a link between Neanderthal genes and skull shape traits common to people with the malformation.
Scientists have discovered that repeat RNAs aggregate inside droplets but can be disassembled with an engineered piece of RNA. The study sheds new light on how these clusters form within biomolecular condensates and presents a potential therapeutic application.
A team from Kyushu University has discovered that the smallest known protein-based tRNA-processing enzyme, HARP, forms a star-shaped complex to cut both ends of tRNA. This finding sheds light on how HARP processes the 5' leader sequence and reveals a new mechanism for RNA processing.
Researchers at the University of Sydney developed a biological 'artificial intelligence' system called PROTEUS, which can accelerate cycles of evolution and natural selection to create molecules with new functions in weeks. The system has potential applications in finding new medicines and improving gene editing technology like CRISPR.
MIT researchers have designed cheap, disposable electrochemical sensors that can detect multiple diseases using DNA-coated electrodes. The sensors were stabilized with a polymer coating, allowing them to be stored for up to two months, enabling potential use in low-resource regions and at home.
Researchers at Colorado State University have created a programmable plant circuit that can turn genes on and off, allowing farmers to time harvests and adapt to drought. The breakthrough could lead to automated genetic circuit design through machine learning, revolutionizing agriculture.
A study by University of Fukui researchers reveals that two adjacent gene pairs in Neurospora crassa regulate antiviral response and symptom induction via RNA editing. The findings indicate that the modification of master transcription factor genes is crucial for controlling fungal antiviral responses.
Researchers have elucidated the molecular mechanism by which LEM-3 cuts DNA bridges during cytokinesis, a crucial step in cell division. The study found that LEM-3 is essential for resolving persistent DNA bridges and maintaining chromosomal stability.
Researchers discovered an ancient protein that can function in a mirror world, challenging the long-standing assumption that mirror-image proteins cannot bind to nucleic acids. The study found that a simple protein motif is capable of interacting with both natural and mirror-image nucleic acids.
A new generative AI technique allows for the design of RNA molecules with improved functions, opening up potential for novel therapeutics and diagnostics. The SANDSTORM and GARDN systems enable the prediction and generation of RNA sequences tailored for specific tasks in cells or diagnostic assays.
Researchers develop specialized enzymes to selectively increase or decrease specific mutation loads in mitochondria, allowing precise study of disease manifestation. This technology holds promise for treating patients with mitochondrial diseases by reducing mutant mtDNA load.
Researchers at University of Seville have discovered patulin and xestoquinol as inhibitors of DNA topoisomerase 1, a key enzyme in DNA metabolism. These natural compounds may provide a new class of anticancer drugs by preventing DNA cuts from being ligated.
Researchers develop nanoparticle-based therapy combining hydroxyl-enriched fullerenol and mTOR inhibitors to disrupt cancer cells' organelle communication system. The approach triggers a synergistic "nanomaterial + metabolic modulation" anticancer strategy, establishing a new hope for treating aggressive cancers.
Researchers developed a novel protein, LSUBP, to enhance uranium extraction from seawater. The engineered protein achieves high adsorption capacity, offering a promising new material for effective uranium extraction.
Researchers developed fluorescent polyionic nanoclays that can be customized for medical imaging, sensor technology, and environmental protection. These tiny clay-based materials exhibit high brightness and versatility, enabling precise tuning of optical properties.
Researchers used CRISPR interference to examine every gene in the human genome and discovered a new set of genes contributing to Parkinson's disease risk. The study identified the Commander complex, which regulates lysosomal function and is implicated in PD risk, offering opportunities for new treatments.
Researchers at Rutgers University have discovered a way to identify and track material carried by extracellular vesicles, which play a key role in the development of renal diseases like polycystic kidney disease. This breakthrough could lead to new therapies for patients with PKD, a common genetic disorder.
Researchers have identified a new class of antibiotic that targets Neisseria gonorrhoeae, the bacterium causing gonorrhoea. The novel substance uses a unique mechanism to activate a self-destruction program in gonococci, killing the bacteria without harming other microorganisms or human cells.
A team of researchers from the University of Kansas has confirmed that the Leyte Chorus Frog is a hybrid of two species with overlapping ranges whose intermingling was driven by deforestation. The discovery sheds new light on the impact of human activities on the environment and highlights the importance of conservation efforts.
Scientists discovered a protective variant of the HAQ-STING gene that prevents COPA Syndrome. This finding opens the door to a new gene therapy for the condition, which currently has no cure.
A new method to monitor elusive species uses genetic material found in soil, increasing time window for detection. Eastern indigo snakes can be detected in less than two minutes and remain detectable for up to 10 days.
Researchers developed AI-driven therapeutic platform mimicking viral structures to deliver therapeutic genes to target cells. The innovative approach achieved precise symmetrical structures and effectively delivered payloads, paving the way for breakthroughs in gene therapies and next-generation vaccines.
A team of University of Melbourne researchers has developed a novel drug delivery system composed of metal-biomolecule networks (MBNs), which eliminate the need for toxic drug carriers. The MBNs show antiviral, antibacterial, antifungal, anti-inflammatory and anti-cancer properties, potentially increasing success in drug development.
Researchers developed a new tool called SigRM to analyze single-cell epitranscriptomics data, enabling the study of RNA modifications in individual cells. This can provide valuable insights into gene regulation and its impact on health and disease, particularly in complex conditions like cancer.
Scientists have captured 3D snapshots of individual RNA nanoparticles in motion, showcasing the dynamic and intricate folding process. This breakthrough uses advanced electron microscopy to study RNA's flexibility, enabling new insights into its structure and potential applications in molecular medicine.
Researchers at MedUni Vienna identified a potential way forward for targeted therapies that do not rely on antibiotics. The study focused on the restriction-modification system of Borrelia bacteria and discovered its importance in protecting the bacteria against foreign DNA.
Researchers at Colorado State University have identified an alternate method to study changes during the DNA replication process in lab settings using genetically modified yeast. This new approach provides a less toxic and quickly reversible alternative to hydroxyurea, allowing for better insight into cell cycle arrest mechanisms.
A new study found that 5-fluorouracil kills cells by interfering with RNA synthesis, not DNA damage. The findings suggest that combining 5-FU with drugs affecting RNA synthesis could make it more effective in patients with gastrointestinal cancers.
A new study reveals that ant agriculture and fungus farming originated 66 million years ago, with colonies of ants beginning to cultivate fungi in the aftermath of the asteroid impact. This partnership has evolved over time, with some fungal crops becoming completely reliant on ants 27 million years ago.
Researchers at NTU Singapore and Oxford have identified a new process called nucleophagy that helps cells remove harmful DNA-protein lesions, promoting genetic material stability and cell survival. This discovery may improve cancer treatment outcomes for patients with colorectal cancer.
A team of international researchers has discovered a surprising genetic mechanism that influences the vibrant patterns on butterfly wings. An RNA molecule controls where dark pigments are made during butterfly metamorphosis, shaping the butterfly's color patterns in a way previously unforeseen.
Researchers discovered a non-virulent bacterium, Mycobacterium spongiae, that shares 80% of its genetic material with M. tuberculosis, shedding light on the disease's origins. The study provides valuable insights into the evolution and virulence of TB.
Researchers at RIKEN Center for Biosystems Dynamics found multiple specialized types of DNA replication in early-stage embryos, including a period of instability prone to chromosomal copying errors. This discovery could lead to improved methods of in vitro fertilization (IVF) and better strategies for minimizing chromosomal abnormalities.
Silent gene mutations may have significant consequences beyond their own gene, according to a study published in the Proceedings of the National Academy of Sciences. Researchers found that synonymous mutations in one gene can increase the production of a neighboring gene by recruiting RNA polymerase to cryptic transcription sites.
Researchers have visualized a molecular complex that loads a 'clamp' onto DNA to ensure accurate replication. This discovery sheds light on the intricate mechanisms of DNA replication and could improve understanding of related health conditions.
A team of scientists at the University of Sydney has repurposed a commonly used blood thinner, heparin, as an inexpensive antidote for cobra venom. The discovery could drastically reduce the impact of snakebites worldwide, particularly in low- and middle-income countries where cobra species account for most snakebite incidents.
Researchers have discovered several rare types of helper T cells associated with immune disorders such as multiple sclerosis and rheumatoid arthritis. The study found that genetic variants in bidirectional enhancer DNA are linked to specific immune-mediated diseases, including inflammatory bowel disease.
Researchers tested hundreds of milk products from dozens of states and found no infectious H5N1 virus, but detected viral genetic material in 20% of samples.
Professor Helle Ulrich will investigate how a small regulatory protein called ubiquitin contributes to DNA replication and repair, and decipher how cells direct different pathways. The ERC Advanced Grant aims to gain a deeper mechanistic understanding of ubiquitin's function in preventing mutations that can cause ageing and cancer.
Researchers at the University of Sydney have developed SeekRNA, a programmable tool that can precisely target and relocate genetic sequences with high accuracy and flexibility. This breakthrough technology surpasses current limitations of CRISPR, enabling more precise editing and reducing errors.
A team of researchers from Xi'an Jiaotong-Liverpool University has engineered a short sequence of artificial DNA to target the mutant protein p53-R175H, linked to lung, colorectal, and breast cancers. The new molecule, dp53m, inhibits cancer cell growth and increases sensitivity to chemotherapy agent cisplatin.
Researchers at Harvard University discover that hybrids between Amazon butterfly species can produce new, genetically distinct species with unique traits. This study challenges the long-held assumption that hybridization inhibits speciation, instead suggesting it can drive the evolution of new lineages.
A mysterious plasmid, pBI143, found in 90% of human intestines, could be used to identify faecal contamination and offer insights into intestinal diseases. The discovery also highlights the prevalence of 'cryptic' plasmids in human gut microbiota.
Researchers at Salk Institute unveil an RNA enzyme that can accurately copy functional RNA strands and allow new variants to emerge over time. This discovery brings scientists closer to producing autonomous RNA life in the laboratory, potentially revolutionizing our understanding of the origins of life.
Researchers created novel gene editing enzymes with improved precision, reducing off-target RNA edits by over 99%. The technology has potential applications in treating mitochondrial genetic diseases and may lead to transformative treatments within the next five years.
A novel mechanism for splicing human short introns has been discovered using the SAP30BP-RBM17 complex. The researchers confirmed that the established pre-mRNA splicing mechanism cannot work in a subset of human short introns.
The American Society for Biochemistry and Molecular Biology's annual meeting features a stimulating group of high-profile speakers discussing various topics including climate change, microbial communities, and RNA regulation. The conference includes plenary sessions, award lectures, and other exciting events.
A new study emphasizes the importance of strict legal rules governing fertility treatment in the UK, warning that recent court cases could create a common law exception to informed consent. The research highlights the need for rigorous consent regimes to protect vulnerable patients from exploitation and misuse of genetic material.
A new study of early Bronze Age examples from Luxembourg and Britain provides insights into family relationships in prehistoric communities. Genetic evidence reveals that children were buried with their biological mothers, suggesting a patrilineal descent system.
Researchers at Norwegian University of Science and Technology have developed a simple tool to identify all genetic material in bacteria. This allows for quicker detection of pathogens, enabling informed decisions on antibiotic use.
Researchers found that genetically identical Amazon mollies exhibit differences in offspring size and reproductive output, indicating varying levels of biological fitness. The study suggests that epigenetics, stochasticity, and micro-environmental factors play a role in the emergence of individuality.
Researchers detected genetic diversity and population structure of invasive round goby fish using environmental DNA (eDNA) sampling. This technique helps trace the source of new invasive populations and prevent further invasion, enabling natural resource managers to take targeted action.