Researchers found that RUNX proteins bind to DNA damage sites and co-regulate the recruitment of DNA repair protein FANCD2. This discovery could lead to the development of synthetic-lethal approaches to attack RUNX-deficient cancers, including solid tumours of the breast and leukemia.
A study published in Nature Scientific Reports found that nuclear DNA analysis can highlight genetic differences between sardine populations, contradicting previous conclusions based on mitochondrial DNA analysis. This new understanding has significant implications for fisheries management and conservation strategies.
A recent study demonstrates the feasibility of producing high-quality DNA sequence data at a laboratory in Indonesia. The research shows that molecular techniques like DNA extraction and PCR can be done using relatively simple methods and inexpensive reagents.
Researchers identify TLK1 and TLK2 as critical for accurate DNA replication, preventing extensive damage and cell death. The study found that these enzymes are rarely mutated in cancers but their high expression correlates with poor patient outcomes.
A team of Emory scientists has identified an enzyme that removes N6-methyladenine from Drosophila DNA, crucial for neuronal development. The finding provides insights into the role of this modification in humans, particularly in relation to Polycomb proteins.
Researchers at Indiana University have identified 'hotspots' in DNA where genetic mutations are significantly elevated, including areas with repeated chemical letters and specific patterns of three letters. This study provides a roadmap for identifying similar trouble spots in human DNA.
Researchers identified Shieldin, a protein complex that regulates DNA repair and may explain why some patients develop resistance to new anti-cancer drugs. The study's findings suggest that Shieldin levels can be used as a marker for identifying patients likely to respond poorly to PARP inhibitors.
The National Institute of Standards and Technology (NIST) has developed a statistical foundation for calculating match statistics when using Next Generation Sequencing in forensic DNA profiling. This new data enables labs to generate reliable match statistics, even with partial DNA profiles or mixtures from multiple individuals.
Scientists aim to create a DNA-based read-only memory (ROM) with applications in electronic devices, leveraging the unique electrical properties of DNA molecules. The proposed technology could lead to more efficient and compact devices.
Researchers at University of Illinois Chicago discovered that persistent binding of the Cas9 protein to DNA causes CRISPR failure. To improve efficiency, they found that consistent strand selection forces RNA polymerases to collide with Cas9, knocking it off DNA.
Researchers have determined the atomic structure of the Origin Recognition Complex (ORC) bound to DNA, revealing its role in selecting replication origins. The study reveals that ORC selects DNA sites based on their unique structure rather than specific base sequences.
Researchers used molecular dynamics simulations to study DNA supercoiling and its impact on knot formation. They found that supercoiled regions can persistently lock in place critical contact points in DNA knots, making it easier for specialized enzymes to untie them.
Researchers at Mayo Clinic have discovered how the DNA repair protein 53BP1 relocates to chromosomes to fix damage, using RNA molecules as an off/on switch. This finding could lead to new therapies for ovarian cancer by targeting a specific protein called TIRR.
Researchers at Karolinska Institutet discovered a built-in molecular brake on human cell division that ensures two complete copies of DNA before cell division, preventing DNA damage and cancer. This process restricts growth to prevent lethal diseases like cancer.
Researchers at Texas A&M University have discovered how methylation affects DNA's mechanical properties, revealing new insights into how cells behave. The study opens doors to analyzing other types of DNA or RNA modifications and their behavior under different conditions.
Researchers at USC Dornsife have discovered how the cell's emergency response team, known as paramedics, uses walking molecules to transport damaged DNA to the nucleus for repair. This process is crucial for preventing cancer formation and has implications for human health and genome editing.
Scientists at UC Berkeley developed a new DNA synthesis method that uses a natural human enzyme to print long DNA strands in water. The technique offers improved precision and potential for faster research and development of new medicines.
A new study reveals that a DNA repair protein associated with cancer can disrupt electron transport through DNA, leading to mutations. The researchers found that a specific mutation in the MUTYH protein causes the iron-sulfur cluster to degrade when exposed to oxygen.
Researchers have developed a new way to synthesize DNA sequences using enzymes, promising to accelerate the pace of science. The innovative approach uses TdT enzyme to add nucleotides in a controlled manner, eliminating drawbacks of existing methods and enabling faster, cheaper and more accurate synthesis.
Researchers at Ohio State University have made a significant breakthrough in controlling DNA-based robots, reducing response time from several minutes to less than a second. This achievement represents the first direct real-time control of DNA-based molecular machines.
New research from the University of East Anglia shows that DNA's shape can be manipulated using various triggers including copper, oxygen, and a substance similar to Vitamin C. This discovery has potential applications in nanotechnology and DNA-based computing.
A new tool can predict a person's eye, hair, and skin color from a small DNA sample, providing a physical description. The HIrisPlex-S system is capable of predicting all three pigment traits simultaneously using freely available webtool.
Researchers at Arizona State University have created a DNA walker that can rapidly traverse a track, significantly increasing speed and paving the way for new innovations in DNA nanotechnology. By optimizing DNA strand length and sequences, the device can cover ground up to 100 times faster than previous devices.
Researchers at Salk Institute identify a small family of proteins controlling DNA methylation marks, crucial for gene regulation. This discovery sheds light on epigenetic mechanisms in plants and animals, potentially leading to new strategies for correcting genetic defects associated with diseases like cancer.
DNA analysis of ancient latrines reveals past diets, animal domestication, and hunting practices in Northern Europe and the Middle East from 500 B.C. to 1700 A.D., with parasite eggs reflecting raw or undercooked fish and pork consumption.
Researchers have discovered a new form of DNA, called the i-motif, which forms in the nuclei of human cells. The i-motif is a four-stranded 'knot' that plays a crucial role in gene expression and cell life cycle.
Artificial molecules mimicking DNA's surface features have been successfully synthesized, demonstrating the ability to inhibit activity of several DNA-binding enzymes. These findings pave the way for new medicines by inhibiting DNA-protein interactions.
The BIABooster device characterizes DNA in blood circulation with new precision and sensitivity, identifying promising signatures for cancer monitoring. It has been shown to detect DNA up to a concentration of 10 fg/μL with precisions of 20% and 3%.
A research team at the University of Delaware has developed technology to program strands of DNA into switches that turn proteins on and off. The technology could lead to the development of new cancer therapies and other drugs by activating non-toxic cancer prodrugs into their therapeutic forms.
Researchers at Emory University uncover the role of hemimethylation in looping DNA and its impact on gene expression. They found that hemimethlyation is deliberately maintained and passed down through cell generations.
Researchers at Arizona State University have designed and tested a DNA circuit capable of splitting and combining current, like an adapter connecting multiple appliances to a wall outlet. The use of G-quadruplex DNA improves charge transport properties, enabling the creation of new nanoelectronics.
Researchers from Delft University and EMBL Heidelberg witness the formation of DNA loops by a single protein complex called condensin, resolving a heated debate. The process involves condensin reeling in DNA to form loops, which are then extruded to compact the genome.
Berkeley Lab researchers generate 3-D images of 129 DNA structures, revealing the dynamics and flexibility of DNA origami particles. The method used provides a new strategy for improving control over large DNA scaffolds by redesigning DNA sequences near joints to stiffen the structure.
Researchers have developed a CRISPR-based method, DETECTR, to detect viral DNA, including cancer-causing HPV types. The system uses a molecular flare gun to identify specific DNA targets, enabling fast and reliable medical tests with minimal equipment requirements.
Researchers at UC Riverside have solved the crystal structure of an enzyme that plays a key role in DNA methylation, a process linked to various diseases including cancer. The breakthrough provides important information for understanding de novo DNA methylation and its implications for gene expression and cell differentiation.
Researchers at Ohio State University have discovered how the most common DNA mutation happens, a phenomenon that allows guanine and thymine bases to change shape and avoid detection by enzymes. This finding provides a foundation for understanding other types of DNA mutations, which are responsible for diseases and normal aging.
The study observes actual chromatin motions using single-molecule fluorescence spectroscopy approaches, revealing the internal structure and rapid dynamics of chromatin fibers. The researchers found that nucleosomes form short stacks that quickly fall apart and reform within milliseconds.
Researchers have developed a new method to power nanoscale DNA robots using electric fields, enabling fast and precise movement. This breakthrough enables the creation of digital memory, cargo transfer, and 3D printing of molecules.
A new DNA marker discovered by University College London researchers can detect fatal breast cancer up to a year before symptoms appear. The EFC#93 DNA methylation marker in blood serum correctly identified 43% of women who went on to be diagnosed with fatal breast cancer within three to six months.
Researchers at Caltech developed a method to assemble large DNA structures with customizable patterns, creating a 'canvas' that can display any image. They used fractal assembly to recreate the world's smallest Mona Lisa using DNA origami.
Researchers at Harvard's Wyss Institute have developed a new method for creating three-dimensional nanostructures using DNA 'bricks' that can self-assemble into structures with unprecedented complexities. The technology allows for the creation of nanostructures with complex cavities and potential applications in medicine and engineering.
Researchers develop a model explaining how DNA sequences affect nucleosome accessibility for gene expression, bridging the gap between mechanical and chemical information in DNA molecules. The study reveals specific base pair sequences that enable packaged DNA to unwind and 'breathe', allowing genes to be read.
A new nanomapping technology combines high-speed atomic force microscopy with a CRISPR-based chemical barcoding technique to map DNA nearly as accurately as DNA sequencing. The technology can process large sections of the genome at a much faster rate, using parts found in DVD players.
Researchers from the University of Seville have discovered that genes located near nuclear pores contribute to maintaining genome stability. The study found that anchoring DNA to the pore during transcription prevents DNA-RNA hybrids, a natural source of genome instability.
Scientists mapped the flow and regulation of nucleotides, revealing a mechanism that slows down DNA replication when out of rhythm. This slowdown allows for nucleotide production to catch up, ensuring healthy genome copying without mistakes.
Cells can sense and mend damaged DNA caused by certain chemotherapy drugs. Researchers discovered a previously unknown repair complex that targets this type of damage. This finding could lead to more effective chemotherapy treatments by amplifying the killing power of existing drugs.
Researchers discovered that the timing of DNA damage within cell cycle phases affects a cell's fate, with certain stages vulnerable to DNA damage. The study suggests that synchronizing cancer cells in susceptible phases before treatment could be an effective strategy.
Geneticists at Emory University School of Medicine have discovered a mysterious DNA modification in animals, specifically adenine methylation, which increases four-fold under conditions of stress in the brain. This epigenetic modification may play a role in neuropsychiatric disorders.
Scientists have identified a novel mechanism safeguarding mitochondrial DNA, which encodes for essential parts of cellular respiration machinery. The study reveals that an unusual enzyme called PrimPol can re-initiate replication after damage, helping to prevent double-strand breaks and mitochondrial dysfunction.
Researchers at Scripps Research Institute have developed a method for creating modified DNA-based hydrogels with unique properties. These hydrogels can be dissolved, reformed, and retain their biochemical activity, making them suitable for various applications such as drug delivery and cell growth.
Scientists at NAIST have discovered a molecular pathway that explains how plant cells cease cell division upon DNA damage. The study found that the transcription factor family MYB3R prevents progression to the M phase of the cell cycle, allowing plants to maintain genome integrity.
Researchers found that accurately transcribing DNA overrides DNA repair, with bacteria becoming hundreds of times more efficient at repairing DNA damage when the transcription fidelity factor GreA is absent. This discovery challenges traditional understanding and has significant implications for cancer research and evolution.
Scientists at the University of York discovered that amino nitriles in interstellar ice can trigger the formation of DNA's backbone molecule, 2-deoxy-D-ribose. This research throws doubt on the theory that amino acids formed before DNA.
Researchers discovered that cGAS forms a ladder-like complex with cytoplasmic DNA to detect infections. The length of the DNA is critical for this process, and only longer DNA strands activate the innate immune system.
A Northeastern research team has developed a method for loading DNA into sequencing wells, increasing efficiency by orders of magnitude. The technology uses nanopores to attract larger DNA segments, enabling the sequencing of longer molecules.
A study has characterized all of the circular DNA in the worm <em>C. elegans</em> and three human cell types, revealing different sets of circles in different cell varieties. The researchers used a 50-year-old lab technique called density gradient centrifugation to separate and purify the circular DNA.
A breakthrough in gene synthesis has been achieved using a chemical method that overcomes limitations of existing methods by incorporating epigenetic information into genes. This new approach, click DNA ligation, enables rapid and efficient assembly of modified DNA fragments into functional genes.
Scientists from TU Delft and colleagues show that condensin, a protein involved in packing DNA into chromosomes, has motor function. This discovery supports the 'loop-extrusion' model of chromosome packing, suggesting that condensin pulls DNA inwards to create loops.
Researchers developed a combined 'liquid biopsy' that detected markers from both DNA and protein products of DNA, showing twice the accuracy of detection as DNA alone. The test identified early-stage pancreatic cancer in 64% of patients, improving on the 30% detection rate achieved with DNA testing alone.
Researchers have developed a DNA sensor system to measure Topo II enzyme activity, which is crucial for anti-cancer therapy. The system achieved synchronous detection of both Topo II and Topo I in human cell extracts, providing new insights into cancer treatment.