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Current Dna News and Events

Current Dna News and Events, Dna News Articles.
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Scientists unwind mystery behind DNA replication
The molecules of life are twisted. But how those familiar strands in DNA's double helix manage to replicate without being tangled up has been hard to decipher. (2019-10-17)
Museums put ancient DNA to work for wildlife
Scientists who are trying to save species at the brink of extinction are finding help in an unexpected place. (2019-10-17)
DNA fracturing rewires gene control in cancer
A multi-institutional team led by researchers at Baylor College of Medicine has brought attention to genomic structural variation as a previously unappreciated mechanism involved in altering DNA methylation, a form of gene control, in human cancers. (2019-10-15)
New DNA 'clock' could help measure development in young children
Scientists have developed a molecular 'clock' that could reshape how pediatricians measure and monitor childhood growth and potentially allow for an earlier diagnosis of life-altering development disorders. (2019-10-15)
Physics: DNA-PAINT super-resolution microscopy at speed
Optimized DNA sequences allow for 10-times faster image acquisition in DNA-PAINT. (2019-10-11)
New test offers improved diagnosis and management of chronic hepatitis B
A report in The Journal of Molecular Diagnostics, published by Elsevier, describes a new and powerful laboratory tool that may improve the diagnosis and treatment of hepatitis B virus (HBV) infection. (2019-10-10)
Buttons and flies help Hopkins solve longtime DNA mystery
Biologists at Johns Hopkins University have uncovered an important clue in the longtime mystery of how long strands of DNA fold up to squeeze into microscopic cells, with each pair of chromosomes aligned to ensure perfect development. (2019-10-10)
How chromosomes change their shape during cell differentiation
Scientists from the RIKEN Center for Biosystems Dynamics Research have provided an explanation of how chromosomes undergo structural changes during cell differentiation. (2019-10-09)
New study challenges our understanding of premature ageing
Disturbances in the function of mitochondrial DNA can accelerate the ageing process in ways that are different than previously thought, according to a new Finnish study published in Nature Metabolism. (2019-10-08)
DNA metabarcoding useful for analyzing human diet
A new study demonstrates that DNA metabarcoding provides a promising new method for tracking human plant intake, suggesting that similar approaches could be used to characterize the animal and fungal components of human diets. (2019-10-08)
Common denominator that triggers asthma in favorable environments
Some so-called pro-allergic environments strongly promote the development of asthma and are responsible for the dramatic increase in the prevalence of asthma, especially in industrialized countries. (2019-10-07)
The cholera bacterium can steal up to 150 genes in one go
EPFL scientists have discovered that predatory bacteria like the cholera pathogen can steal up to 150 genes in one go from their neighbors. (2019-10-07)
NUS scientist designs 'express courier service' for immune cells
Dr Andy Tay, a researcher with the National University of Singapore (NUS) who is currently doing his post-doctoral training at Stanford University, has successfully invented a novel transfection method to deliver DNA into immune cells with minimal stress on these cells. (2019-10-04)
CNIC scientists discover a new mechanism for the transfer of maternal genetic material
CNIC researchers have identified a mechanism involved in the prevention of possible errors during the transfer of mitochondrial DNA from mothers to their offspring. (2019-10-03)
Moffitt researchers identify mechanism controlling DNA repair
Moffitt Cancer Center researchers recently identified a new mechanism that controls DNA repair. (2019-10-02)
New blood test capable of detecting multiple types of cancer
A new blood test in development has shown ability to screen for numerous types of cancer with a high degree of accuracy, a trial of the test led by Dana-Farber shows. (2019-09-28)
Cancer: The origin of genetic mutations
In the presence of some disruptive elements, cancer cells are unable to replicate its DNA optimally. (2019-09-25)
University of Alberta researchers developing new 'DNA stitch' to treat muscular dystrophy
A new therapeutic being tested by University of Alberta researchers is showing early promise as a more effective treatment that could help nearly half of patients with Duchenne muscular dystrophy (DMD). (2019-09-25)
DNA is held together by hydrophobic forces
Researchers at Chalmers University of Technology, Sweden, disprove the prevailing theory of how DNA binds itself. (2019-09-23)
Why the lettuce mitochondrial genome is like a chopped salad
The genomes of mitochondria are usually depicted as rings or circles. (2019-09-20)
Key similarities discovered between human and archaea chromosomes
A study led by Indiana University is the first to reveal key similarities between chromosomes in humans and archaea. (2019-09-19)
Long lost human relative unveiled
Many people are familiar with the existence of Neanderthals, the humanoid species that was a precursor to modern humans, but far less is known Denisovans, a similar group that were contemporaries to the Neanderthals and who died out approximately 50,000 years ago. (2019-09-19)
Scientists develop DNA microcapsules with built-in ion channels
A Research group led by Tokyo Tech reports a way of constructing DNA-based microcapsules that hold great promise for the development of new functional materials and devices. (2019-09-18)
DNA 'origami' takes flight in emerging field of nano machines
'DNA mechanotechnology' is a new field to engineer DNA machines that generate, transmit and sense mechanical forces at the nanoscale. (2019-09-18)
HKUST researchers unlock cancer-causing mechanism of E. coli toxin with synthetic biology approach
An inter-disciplinary team of researchers at the Hong Kong University of Science and Technology (HKUST) unraveled how a toxin released by Escherichia coli (E. coli) - a human gut bacteria, is connected to colorectal cancer, offering new insights to the health impact of this prevalent bacteria and facilitating future research on the prevention of this third most common cancer worldwide*. (2019-09-17)
Researchers mix RNA and DNA to study how life's process began billions of years ago
RNA World is a fascinating theory, says Ramanarayanan Krishnamurthy, PhD, an associate professor of chemistry at Scripps Research, but it may not hold true. (2019-09-16)
Tiny bubbles in our body could fight cancer better than chemo
Healthy cells in our body release nano-sized bubbles that transfer genetic material such as DNA and RNA to other cells. (2019-09-13)
How new loops in DNA packaging help us make diverse antibodies
It's long been known that our immune cells mix and match bits of genetic code to make new kinds of antibodies to fight newly encountered threats. (2019-09-13)
Gene editing tool gets sharpened by WFIRM team
Wake Forest Institute for Regenerative Medicine scientists have fine-tuned their delivery system to deliver a DNA editing tool to alter DNA sequences and modify gene function. (2019-09-13)
Can a DNA construction kit replace expensive antibody medication?
Researchers at KU Leuven in Belgium have developed a technique to make sheep produce new antibodies simply by injecting the DNA building blocks. (2019-09-11)
Little heaps of silver, all wrapped up
Nanoclusters are little 'heaps' of a few atoms that often have interesting optical properties and could become useful probes for imaging processes in areas such as biomedicine and diagnostics. (2019-09-11)
Gene coding error found in rare, inherited gene cof lung-scarring disorder linked to short telomeres
By combing through the entire genetic sequences of a person with a lung scarring disease and 13 of the person's relatives, Johns Hopkins Medicine researchers say they have found a coding error in a single gene that is likely responsible for a rare form of the disease and the abnormally short protective DNA caps on chromosomes long associated with it. (2019-09-10)
Novel study reveals presence of fungal DNA in the fetal human gut
A recent human study published in The FASEB Journal discovered the presence of fungal communities in the fetal gut. (2019-09-05)
New method for imaging biological molecules
Researchers at Karolinska Institutet in Sweden have, together with colleagues from Aalto University in Finland, developed a new method for creating images of molecules in cells or tissue samples. (2019-09-05)
DNA repair: Opening the hatch to heal the break
Ludwig-Maximilians-Universitaet (LMU) in Munich researchers have determined the structure of a key enzyme complex that is involved in DNA repair, and traced the cycle of conformational changes that it undergoes while performing its biochemical function. (2019-09-04)
The argument for sexual selection in bacteria
The evolutionary pressure to pass on DNA can produce behavior that otherwise makes no sense in a struggle to survive. (2019-09-04)
Denisovan finger bone more closely resembles modern human digits than Neanderthals
Scientists have identified the missing part of a finger bone fragment from the Denisova Cave in southern Siberia, revealing that Denisovans -- an early human population discovered when the original fragment was genetically sequenced in 2010 -- had fingers indistinguishable from modern humans despite being more closely related to Neanderthals. (2019-09-04)
Body's ageing process accelerated by DNA changes, study suggests
DNA changes throughout a person's life can significantly increase their susceptibility to heart conditions and other age-related diseases, research suggests. (2019-09-03)
Fragmenting ions and radiation sensitizers
The anti-cancer drug 5-fluorouracil (5FU) acts as a radiosensitizer: it is rapidly taken up into the DNA of cancer cells, making the cells more sensitive to radiotherapy. (2019-09-03)
KAIST vaccine for tick-borne disease 'SFTS' protects against lethal infection
A KAIST research team reported the development of a DNA vaccine for Severe Fever with Thrombocytopenia Syndrome Virus (SFTSV) which completely protects against lethal infection in ferrets. (2019-08-28)
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