Articles tagged with Single Stranded Dna
Researchers at Duke University have made direct measurements of DNA's forces within single strands that wind around each other to form the double helix. The study, published in Physical Review Letters, reveals new insights into the stacking and pairing forces between base units.
Researchers at the Salk Institute have discovered a novel RPA-like complex that specifically targets the short single-stranded DNA tail end of yeast chromosomes. This complex helps maintain telomere integrity and prevent premature senescence or cancer development.
Berkeley researchers have created a highly selective cell adhesion system using single-stranded synthetic DNA, enabling precise patterns of multiple cell types. The technique enables the attachment of different cell types to specific locations on a surface based on nucleotide sequences.
Researchers found that motor proteins can snap back to their starting point when hitting obstacles, potentially playing a role in maintaining genome integrity. This 'recycling action' may prevent the accumulation of toxic proteins on DNA.
Fanning and Chazin found structural and biochemical evidence for the mechanism of ssDNA break free from its binding protein to allow repair or replication. The researchers developed a working model to answer how RPA gets dislodged, allowing enzymes access to DNA for processing.
Researchers developed a technique using single-stranded DNA to separate and sort metallic and semiconducting carbon nanotubes, enabling uniform conductivity and advancing nanoelectronic applications. The discovery in the journal Science has significant implications for developing sensitive medical diagnostic devices and mini-transistors.
Researchers at Northwestern University developed a new tool to write nanopatterns with DNA inks, enabling the creation of miniaturized gene chips with an array of diagnostic tests. This technology can produce spots of DNA down to 50 nanometers in diameter, reducing cost and time.
Researchers at the University of Illinois have developed a DNA-based sensor that can detect lead ions in real-time. The sensor uses catalytic DNA with high metal ion selectivity and sensitivity to fluorescence detection, making it an ideal candidate for environmental monitoring and clinical toxicology applications.
Eric T. Kool, a Stanford University professor, has developed a new understanding of how enzymes make copies of DNA by surrounding the double-stranded molecule and using it as a template. He aims to apply this technique to genetic therapy to inhibit genes linked to inherited diseases.
Scientists at Purdue University have developed a simple and quick method to assess environmental cleanup efforts using genetics. The technique detects genes that reveal the presence of an enzyme produced by pollution-busting bacteria, allowing for real-time monitoring of soil cleanup progress.
Scientists have produced the first three-dimensional images of the protein complex that initiates DNA transcription, revealing critical components and their interactions. The research provides insights into how transcriptional factors work together to regulate gene expression.
Harvard researchers have created the first atomic-resolution image of a donut-shaped enzyme that unwinds the DNA double helix for replication. The structure reveals how six individual polypeptide lobes arrange themselves to look like a ring of bread buns, providing new insights into the molecular motor's mechanism.
Scientists at the University of Rochester have discovered that shape plays a crucial role in copying DNA, contradicting previous theories that relied on hydrogen bonds. This finding has significant implications for cancer diagnosis and potential applications in artificial DNA creation.
Researchers at New York University have developed a technique to assemble DNA molecules into two-dimensional crystals with precise topographic features. The method uses synthetic DNA double-crossover molecules and exploits the key chemical feature of DNA to achieve predictable self-assembly.
Scientists at the Technion-Israel Institute of Technology have successfully created a working electronic component using DNA to assemble a conducting wire. The wire, 100 nanometers wide, has potential properties that could be used to make computer memories, and its narrow size allows for potentially much faster computer chips.
A new DNA production method dubbed 'rolling circles' has been developed by University of Rochester chemist Eric Kool, allowing for easy and inexpensive production of large quantities of DNA. This technique uses circular DNA strands that can be replicated exponentially without the need for expensive enzymes or complex equipment.
The research reveals the structure of T7 DNA polymerase, a protein crucial for DNA replication, showcasing its high accuracy and speed. The study provides insights into how this enzyme achieves its accuracy and could guide the development of better reagents for DNA sequencing.
Duke University researchers discovered an enzyme that copies DNA in living cells can also function in crystal form, revealing details of its intricate machinery. The study sheds light on the enzyme's ability to incorporate only correct nucleotide pieces into DNA, a critical process for life.