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Current Dna News and Events

Current Dna News and Events, Dna News Articles.
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Jumping genes shed light on how advanced life may have emerged
A previously unappreciated interaction in the genome turns out to have possibly been one of the driving forces in the emergence of advanced life. (2018-11-19)
A new approach to detecting cancer earlier from blood tests: Study
Cancer scientists led by principal investigator Dr. Daniel De Carvalho at Princess Margaret Cancer Centre have combined 'liquid biopsy,' epigenetic alterations and machine learning to develop a blood test to detect and classify cancer at its earliest stages. (2018-11-14)
DNA structure impacts rate and accuracy of DNA synthesis
DNA sequences with the potential to form unusual conformations, which are frequently associated with cancer and neurological diseases, can in fact slow down or speed up the DNA synthesis process and cause more or fewer sequencing errors. (2018-11-13)
Synthetic molecule invades double-stranded DNA
Carnegie Mellon University researchers have developed a synthetic molecule that can recognize and bind to double-stranded DNA or RNA under normal physiological conditions. (2018-11-12)
Big change from small player -- Mitochondria alter body metabolism and gene expression
Mitochondria have their own DNA, but the 13 genes in human mitochondria -- along with DNA sequences for tRNAs, rRNAs and some small peptides -- are massively overshadowed by the 20,000 genes in the human nucleus. (2018-11-09)
The whole tooth: New method to find biological sex from a single tooth
A team led by UC Davis researchers have come up with a new way to estimate the biological sex of human skeletal remains based on protein traces from teeth. (2018-11-09)
Sizing up tumor DNA fragments improves blood-based cancer detection
Florent Mouliere and colleagues have designed a new method that was able to detect hard-to-trace tumor DNA in the blood (or ctDNA). (2018-11-07)
Supermarket produce harbors antibiotic-resistance genes
Researchers from the Julius Kühn Institut, Germany have found that produce is a reservoir for transferable antibiotic resistance genes that often escape traditional molecular detection methods. (2018-11-06)
Study shows potential to develop brain tumour liquid biopsies
Scientists are making strides in developing liquid biopsies for brain tumours by detecting tumour DNA in the fluid from around the brain and spine. (2018-11-06)
Trying to understand cells' interior design
IBS Scientists have explained how liquid-like droplets made of proteins and DNA form in vitro. (2018-11-06)
A new piece to the puzzle sheds light on how UHRF1 regulates gene activity
Scientists at Helmholtz Zentrum München have discovered new details about the UHRF1 protein. (2018-11-06)
Molecular biology: Phaser neatly arranges nucleosomes
LMU researchers have, for the first time, systematically determined the positioning of the packing units of the fruit fly genome, and discovered a new protein that defines their relationship to the DNA sequence. (2018-11-02)
Researchers at IRB Barcelona explain the origin of the periodicity of the genome
The team headed by Núria López-Bigas has published an article in Cell about what might have favored the periodicity of certain base pairs in the genomes of eukaryotic organisms. (2018-11-02)
Tying the knot: New DNA nanostructures
In new research appearing in the journal Nature Communications, Hao Yan and his colleagues Fei Zhang, Xiaodong Qi and others describe a method for coaxing segments of single-stranded DNA into complex 2- and 3D knotted structures. (2018-11-02)
eDNA emerges as powerful tool for tracking threatened river herring in Chesapeake Bay
Using environmental DNA (eDNA) to track the presence of fish in waterways is emerging as a powerful tool to detect and understand the abundance of species in aquatic environments. (2018-11-01)
Neuroscientists find molecular clue in ALS, suggesting potential new drug target
Houston Methodist researchers uncovered a link between motor neurons' inability to repair oxidative genome damage in ALS, suggesting that DNA ligase-targeted therapies may prevent or slowdown disease progression. (2018-10-31)
A record-long polymer DNA negative
A fragment of a single strand of DNA, built of the nucleobases cytosine and guanine, can be imprinted in a polymer - this has been shown by chemists from Warsaw, Denton and Milan. (2018-10-31)
Mycoplasma pathogens sneaking past our line of defense
New research reveals that Mycoplasma pathogens make DNA in a unique way that may protect them from our immune response. (2018-10-31)
Biologists discover source for boosting tumor cell drug sensitivity
Biologists at UC San Diego have discovered a new way of re-sensitizing drug-resistant human tumor cells to the potency of DNA-damaging agents, the most widely used group of cancer drugs. (2018-10-29)
Repeated interferon stimulation creates innate immune memory
The innate immune system may be able to be trained to react to viral infections more efficiently by repeated exposure to anti-viral signaling molecules. (2018-10-25)
DNA 'dances' in first explanation of how genetic material flows through a nucleus
DNA flows inside a cell's nucleus in a choreographed line dance, new simulations reveal. (2018-10-25)
Mapping the chromatin landscape of human cancer
By mapping the largely uncharted chromatin landscape of primary human cancers, researchers have revealed new insights into the regulation of different cancer-related genes. (2018-10-25)
Nanocages in the lab and in the computer: how DNA-based dendrimers transport nanoparticles
How to create nanocages, i.e., robust and stable objects with regular voids and tunable properties? (2018-10-18)
Smallest life forms have smallest working CRISPR system
Bacteria and Archaea have developed many types of CRISPR-Cas systems to protect themselves from viruses. (2018-10-18)
Loss of protein p53 helps cancer cells multiply in 'unfavourable' conditions
Researchers have discovered a novel consequence of loss of the tumour protein p53 that promotes cancer development. (2018-10-17)
Immune health maintained by meticulously ordered DNA
Walter and Eliza Hall Institute researchers have revealed how immune health is maintained by the exquisite organisation skills of a protein called Pax5. (2018-10-15)
Clues from a Somalian cavefish about modern mammals' dark past
After millions of years living in darkness, a species of blind cavefish has lost an ancient system of DNA repair. (2018-10-11)
How yeast cells detect genetic infections
ETH researchers studying yeast cells have discovered a surprisingly located new mechanism for detecting foreign genetic material -- whether from pathogens or environmental contamination -- and rendering it harmless. (2018-10-11)
New route of acquiring antibiotic resistance in bacteria is the most potent one to date
For the first time in 60 years, researchers at NUS Medicine and the University of Glasgow and colleagues have discovered a new mechanism of genetic transduction, the process by which bacteriophages transfer bacterial DNA between bacteria. (2018-10-11)
Crime and privacy: Using consumer genomics to identify anonymous individuals
Over 60 percent of individuals in the US with European ancestry -- including those that have not undergone genetic testing themselves -- can be identified through their DNA using data from open genetic genealogy databases, a new study reports. (2018-10-11)
Bacterial DNA gets passed around in viral packages -- in greater amounts than previously
Bacteria's ability to exchange genes amongst each other may occur more frequently and involve the transfer of even more genetic material than previously believed, a new study suggests. (2018-10-11)
There's a better way to decipher DNA's epigenetic code to identify disease
A new method for sequencing the chemical groups attached to the surface of DNA is paving the way for better detection of cancer and other diseases in the blood. (2018-10-08)
Study shows DNA of people with childhood abuse or depression ages faster
DNA from people who suffer from major depression is biologically older than that of healthy people by on average 8 months, suggesting that they are biologically older than their corresponding calendar age. (2018-10-08)
Nanopore technology with DNA computing easily detects microRNA patterns of lung cancer
Researchers at Tokyo University of Agriculture and Technology (TUAT) have developed a simple technique that allows detection of two independent microRNAs as an early diagnosis marker of Small Cell Lung Cancer (SCLC) , which is very aggressive. (2018-10-05)
UTMB develops a universal vaccine platform that's cheaper and shelf stable
Researchers at The University of Texas Medical Branch at Galveston have developed less expensive way to produce vaccines that cuts the costs of vaccine production and storage by up to 80 percent without decreasing safety or effectiveness. (2018-10-05)
Discovery of first genetic variants associated with meaning in life
For the first time, locations on the human genome have been identified that can explain differences in meaning in life between individuals. (2018-10-03)
Recording device for cell history
ETH researchers are using the CRISPR-Cas system to develop a novel recording mechanism: the snippets of DNA it produces can provide information about certain cellular processes. (2018-10-03)
Can we trust digital forensic evidence?
Research carried out at the University of York has suggested that more work is needed to show that digital forensic methods are robust enough to stand-up to interrogation in a court of law. (2018-10-02)
Take my hand and ride with me -- Over the genome
Researchers at the CRG in Barcelona have identified the mechanism by which an important enzyme involved in the differentiation of stem cells is brought to the DNA. (2018-10-02)
Ciprofloxacin has dramatic effects on the mitochondrial genome
A study carried out at the University of Eastern Finland and published in Nucleic Acids Research investigated the effect of ciprofloxacin on mitochondria, the important cell organelles in our body that produce the energy for cellular function. (2018-10-01)
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