Articles tagged with Dna
Researchers develop world's first DNA aptamer that binds to neurofilament light chain, a protein released into the blood with neurodegeneration. The aptamer, MN711, shows high affinity and specificity comparable to commercially available antibodies.
New research finds that chromosomal inversions help Atlantic silversides maintain genetic differences suited to cold and warm waters, influencing growth rates and vertebrae numbers. This discovery suggests a fundamental role for chromosomal inversions in local adaptation and may shape population responses to ocean warming.
The AI model can accurately identify disease-causing mutations in human genes and is capable of designing new genomes that are as long as the genomes of simple bacteria. Evo 2 has been trained on over 100,000 species across the entire tree of life and can process genetic sequences of up to 1 million nucleotides at once.
A global team led by UC San Diego's Ludmil Alexandrov is receiving a $25 million Cancer Grand Challenges award to decipher the molecular origins of cancer. The team aims to identify unique patterns of DNA damage and their sources, which could lead to new prevention and treatment strategies.
Researchers characterized the structure and function of a protein that regulates sugar and fat levels, finding it can work with an unexpected partner - itself. This partnership may drive the expression of different genes than its usual partner, offering new therapeutic targets for diseases like liver cancer and diabetes.
Researchers at NYU's Department of Chemistry have discovered a way to assemble complex DNA structures without sticky ends, using shape alone to guide assembly. This breakthrough enables the creation of varied 3D structures made entirely out of DNA, with potential applications in optical, electronic, and biomedical technologies.
Dr. Gregory Reeves' team has developed a method to measure the amount of Dorsal protein in the nucleus, revealing its interaction with DNA and providing a predictive model for therapeutic purposes. The study aims to control cellular processes and prevent diseases like cancer.
Researchers have discovered that native rice stink bugs have more genetic diversity than invasive species, which could help monitor the spread of insecticide resistance. This study provides valuable insights into pest management for Arkansas rice growers, who face significant costs due to the bug's impact on their crops.
Engineers have refined a technology to edit individual genetic base pairs, reducing unintended edits and increasing safety for potential treatments. The new base editors could lead to better outcomes for some cystic fibrosis patients and more accurate models for drug testing.
Researchers from ISTA developed an algorithm that can extract and analyze information from the world’s most extensive biobank with unprecedented accuracy and speed. The method, dubbed gVAMP, enhances the framework's ability to extract complex information from the dataset at hand, providing a detailed overview of the effects on a trait ...
Researchers at Tohoku University have developed a new technology that uses thioguanosine to achieve highly efficient and controllable interstrand crosslinking of DNA. This breakthrough enables reversible DNA modification with high stability and reversibility, opening opportunities for next-generation bionanomaterials.
A new study reveals cyanobacteria as major carriers of antibiotic resistance genes in estuarine ecosystems. The researchers found strong connections between microbial carbon and nitrogen cycling and the presence of resistance genes.
Researchers at MIT and Scripps Research Institute have developed a vaccine that generates a significant population of rare precursor B cells capable of evolving to produce broadly neutralizing antibodies against HIV. The DNA-VLP approach shows potential for inducing broadly neutralizing antibody responses against influenza as well.
Researchers at the University of California - San Diego have developed a new method to improve gene therapy by increasing the efficacy of gene delivery while minimizing harmful side effects. The new workflow allows for increased control of nuclear DNA delivery, with greater than tenfold increase in nuclear DNA delivery observed.
FI-Chrom uses Hi-C maps to create 3D models of chromosomes, revealing structural and dynamic features such as chromatin loops forming transiently. The open-access program provides insight into chromosome structure in various organisms.
Researchers at UC San Francisco found that spindle fibers can repair themselves as they pull on DNA, ensuring accurate chromosome division. This self-repair mechanism replaces weak links with stronger ones, preventing errors that could lead to cancer or birth defects.
Researchers at Rice University are exploring biological systems-inspired delivery vehicles to target specific tissues in living organisms, aiming to improve the efficiency of gene-based therapies. The project focuses on optimizing combinations of surface molecules to enable precise and efficient delivery of large DNA payloads.
A new liquid biopsy technology, Bridge Capture, has been developed to overcome the challenges of sensitive and cost-efficient cancer diagnostics. It detects rare variant allele frequencies with superior sensitivity compared to existing methods.
Researchers have discovered new genetic causes of inherited blindness, identifying changes in RNA genes as a key factor. This breakthrough provides clarity for dozens of families globally and opens new possibilities for diagnostics and counseling in hereditary conditions, offering hope for affected individuals and their loved ones.
The study created a critical framework for understanding the architecture of the genome and its association with gene function in cells. The 4DN Consortium integrated data from over a dozen techniques to compile an extensive catalogue of looping interactions between genes and regulatory elements.
Researchers identified dozens of genes that regulate DNA repeat expansion, which accelerates as people age. The study found common genetic variants can speed up or slow this process by up to fourfold, linking it to serious diseases like kidney failure and liver disease.
Flinders University researchers discovered a biological process that could explain some stillbirths and pave the way for early detection. The study found that molecules called circular RNAs build up in the placenta too quickly during pregnancy, compromising its ability to nourish the baby.
Researchers have developed a new method to assemble DNA nanostructures in ionic liquids, resulting in improved stability and enhanced targeting capabilities. The new approach has shown promising results in targeting cancer cells and delivering potent inhibition.
A new study found that rising temperatures are driving changes in polar bear DNA, which may help them adapt to increasingly challenging environments. The researchers discovered that genes related to heat-stress, aging, and metabolism are behaving differently in polar bears living in southeastern Greenland.
Researchers have identified the enzyme N4BP2 as the key driver of chromothripsis, a process in which cancer cells rapidly evolve and become resistant to treatment. The study reveals that tumors with high N4BP2 expression exhibit significantly more chromothripsis and structural rearrangements.
Researchers have developed the Joint Open Genome and Omics Platform 1.0 (JoGo 1.0), which organizes human gene types into four levels based on global frequency. The database catalogs 19,194 human genes with a novel naming system, enabling secure integration of sensitive datasets and linking each gene type to public resources.
Researchers have captured the most detailed images yet of molecules inside synthetic chromatin condensates, allowing them to understand how these droplet-like structures form and function. The team found that linker DNA length affects structure arrangement, which in turn dictates interactions between chromatin fibers.
A new study suggests that genetic differences passed down from ancient human ancestors and exposure to common chemicals could explain why some women are more likely to develop endometriosis. Researchers identified six genetic variants linked to the condition, which also occur in genes sensitive to modern pollutants.
Researchers at the University of Washington successfully tracked salmon populations using airborne eDNA, finding that the airborne DNA concentration fluctuated with visual counts reported by the hatchery. The technique links air, water, and fish, providing a valuable tool for population health monitoring and management.
A genetic study of 135,000 participants revealed 11 genetic regions tied to delayed gratification, showing overlap with risks for conditions like obesity and diabetes. The study found that delay discounting is deeply intertwined with genetic pathways involved in brain development, cognition, and physical health.
A new type of DNA damage, glutathionylated DNA adducts, accumulates at high levels in mitochondrial DNA, affecting energy production and stress response. The discovery sheds light on how cells sense and respond to stress, with potential implications for diseases like cancer and diabetes.
Scientists have discovered a protein called SCEP3 that ensures even chromosome segregation in plants, preventing infertility and genetic diseases. This finding has implications for plant breeding and understanding human fertility, with the equivalent gene SIX6OS1 potentially playing a role in promoting correct chromosome segregation.
A study led by SickKids scientists discovered a previously overlooked layer of genetic variation that could help explain individual differences in disease risk and treatment response. The researchers found that subtle changes in short tandem repeats can impact gene function, revealing new insights into neurodevelopmental conditions.
A study by The Hospital for Sick Children reveals a previously overlooked layer of genetic variation in short tandem repeats (STRs) that can influence gene regulation and shape disease risk. This discovery may inform future research and precision therapeutic development in support of Precision Child Health.
Researchers have created a method for simultaneous imaging of DNA and RNA in living cells using harmless infrared light, allowing for high-precision detection of all stages of cell death. This breakthrough enables the early detection of cellular damage that leads to aging or death.
Researchers developed a new DNA analysis technique to study old genetic samples, shedding light on disease evolution and changes in biology over time. The approach has potential for unlocking the root causes underlying shifting landscapes of modern diseases.
Researchers at Tohoku University shared key findings from their 10-year genome cohort study, highlighting effective techniques for analyzing and managing genomic data. The study's unique approaches to whole-genome sequencing, including qMiSeq and iDeal protocols, have been widely adopted by institutions worldwide.
A review highlights transposable elements' influence on gene expression, genome stability, and disease development. TEs are recognized as regulators of gene regulation and disease, offering new avenues for diagnosis and therapy.
A new method enables scientists to read the genomes of individual cells and viral particles in the environment more quickly and efficiently. The approach, known as environmental microcompartment genomics, increases throughput by an order of magnitude and provides unique insights into the diverse world of marine viruses.
Researchers at OIST develop a new method harnessing 'jumping genes' to recreate the termite tree of life, providing a template for solving ancient evolutionary mysteries. The study achieves similar accuracy to trees built from thousands of protein marker sequence alignments.
Scientists have created a micro-algal platform that allows for automated and fast testing of chloroplast genetic modifications, opening up plant chloroplasts to high-throughput applications. This platform enables researchers to fine-tune genetic circuits and identify which modifications have real potential.
Researchers have uncovered a novel mechanism linking lactate metabolism to muscle Growth differentiation factor 15 (GDF15) release during mitochondrial stress, providing a potential therapeutic target for mitochondrial myopathy. Elevated lactate production and histone lactylation activate GDF15 gene expression.
Researchers developed a computational tool to identify genetic vulnerabilities in memory-making brain cells linked to Alzheimer's. The 'seismic' algorithm integrates genetic data with single-cell RNA sequencing, revealing a detailed picture of affected cell types and their genetic programs.
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.
Colorectal cancer screening modities shifted among privately insured individuals after COVID-19, with decreased colonoscopy and fecal tests, increased stool DNA tests. Differences found by sex, socioeconomic status, and metropolitan area residence.
Researchers created microscopic DNA 'flowers' that can change shape and behavior in response to their surroundings. These tiny robots, made from special crystals formed by combining DNA and inorganic materials, can perform tasks on their own, from delivering medicine to cleaning up pollution.
Researchers have unveiled the molecular mechanisms underlying L1's retrotransposition and integration into genomic DNA. The study reveals that ORF2p interacts primarily with the DNA backbone through electrostatic forces, enabling site-specific cleavage during retrotransposition.
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 have developed a non-invasive blood test that can detect Amyotrophic Lateral Sclerosis (ALS) earlier and with higher accuracy by measuring cell-free DNA. The test distinguishes between ALS patients and healthy individuals, as well as those with other neurological conditions.
A study published in Science Advances has discovered that the RAD21L protein plays a crucial role in regulating DNA structure and gene expression in sperm precursor cells. The absence of this protein leads to defects in chromosome pairing, genetic recombination, and spermatogenesis, resulting in male infertility.
A genetic mechanism called diversity-generating retroelements accelerates evolution in gut bacteria, allowing them to adapt to new environments. This mechanism is more common in the gut microbiome than any other environment on Earth and enables microbes to change and adapt rapidly.
Scientists have developed a DNA nanospring to measure the force of protein motors like KIF1A, which can lead to improved diagnosis and treatment of diseases. The technique uses fluorescent imaging to detect the stretching of the DNA nanospring, allowing researchers to accurately measure the motor's power.
A new study has created the largest genetic map of human metabolism, revealing key genes controlling metabolites and their impact on health. The research highlights similarities in genetic control across ancestries and sexes, offering new avenues for developing medicines to prevent heart diseases.
The CityUHK team is developing two core therapeutic medicines using state-of-the-art DNA surgery technology to treat liver and cardiovascular genetic diseases. Their approach offers a durable and long-lasting solution, eliminating the need for repeated medications.
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 have developed new eDNA tools to quantify kelp-derived biomass in sediments below commercial kelp farms. The study confirms that kelp aquaculture has little impact on the seafloor community and provides evidence for using eDNA to examine 'blue carbon' accounting efforts.
Genomic imprinting discovered by Davor Solter and Azim Surani reveals maternal chromosomes contribute essential information missing in paternal chromosomes. This phenomenon, coined genomic imprinting, involves tiny methyl groups attached to DNA's four bases regulating fetal growth and development.
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.
A study published in Science Advances reveals a deeply complex evolutionary history of mastodons, with multiple migrations across North America driven by climate change. Genetic analyses confirm the presence of distinct genetic groups and lineages, including a mysterious Mexican lineage.
Researchers found genetic adaptations in response to micronutrient shortages and surpluses, particularly in regions with iodine-poor soils. The study provides insights into the impact of micronutrient availability on human evolution, highlighting potential vulnerabilities to deficiencies as climate change affects soil nutrient levels.