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Current Ancient dna News and Events, Ancient dna News Articles.
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Better plant edits by enhancing DNA repair
A protein hijacked from a bacterial pathogen helps to facilitate more precise genome editing in plants. (2020-04-07)
The evolution of arthritic knees
Scientists have identified the genetic switches regulating knee development in mouse and human, explored their evolution, probed their links to bipedalism and osteoarthritis, and confirmed that a mutation in one switch gives rise to the disease. (2020-04-07)
Tailoring an anti-cancer drug for optimal tumor cell killing
Canadian biochemists identify distinguishing features that govern the potency of a class of anti-cancer compounds known as PARP inhibitors. (2020-04-02)
When three species of human ancestor walked the Earth
In a paper published this week in Science, an international team of scientists share details of the most ancient fossil of Homo erectus known and discuss how these new findings are forcing us to rewrite a part of our species' evolutionary history. (2020-04-02)
Oldest ever human genetic evidence clarifies dispute over our ancestors
Genetic information from an 800.000-year-old human fossil has been retrieved for the first time. (2020-04-01)
Homo naledi juvenile remains offers clues to how our ancestors grew up
A partial skeleton of Homo naledi represents a rare case of an immature individual, shedding light on the evolution of growth and development in human ancestry, according to a study published April 1, 2020, in the open-access journal PLOS ONE by Debra Bolter of Modesto Junior College in California and the University of the Witwatersrand, Johannesburg, and colleagues. (2020-04-01)
Modern humans, Neanderthals share a tangled genetic history, study affirms
A new study reinforces the concept that Neanderthal DNA has been woven into the modern human genome on multiple occasions as our ancestors met Neanderthals time and again in different parts of the world. (2020-04-01)
Study offers new insight into the impact of ancient migrations on the European landscape
Scientists from the University of Plymouth and the University of Copenhagen led research tracing how the two major human migrations recorded in Holocene Europe -- the northwestward movement of Anatolian farmer populations during the Neolithic and the westward movement of Yamnaya steppe peoples during the Bronze Age -- unfolded. (2020-04-01)
A new mechanism triggering cell death and inflammation: A left turn that kills
Writing in 'Nature', researchers from Cologne, Texas and London describe their discovery of a new mechanism that could contribute to the pathogenesis of inflammatory diseases. (2020-03-31)
Sturgeon genome sequenced
Sturgeons lived on earth already 300 million years ago and yet their external appearance seems to have undergone very little change. (2020-03-30)
Blood test detects wide range of cancers, available to at risk individuals in clinical study
In a study involving thousands of participants, a new blood test detected more than 50 types of cancer as well as their location within the body with a high degree of accuracy, according to an international team of researchers led by Dana-Farber Cancer Institute. (2020-03-30)
DNA riddle unravelled: How cells access data from 'genetic cotton reels'
With so much genetic information packed in such a tiny space, how cells access DNA when it needs it is something of a mystery. (2020-03-26)
Jumping genes help make neurons in a dish
The conversion of skin cells into brain cells relies on proper insertion of L1 elements. (2020-03-26)
Destroying DNA to save the genome -- study offers new insights into sepsis and its treatment
Sepsis is a life-threatening condition that kills millions annually; it is poorly understood and has no specific treatment. (2020-03-26)
Unconstrained genome targeting with CRISPR-Cas9 variants less reliant on PAM
Addressing a fundamental limitation in CRISPR-Cas genome editing, researchers have developed new engineered Cas9 variants that nearly eliminate the need for a protospacer adjacent motif known as PAM. (2020-03-26)
How trans fats assist cell death
Tohoku University researchers in Japan have uncovered a molecular link between some trans fats and a variety of disorders, including cardiovascular and neurodegenerative diseases. (2020-03-25)
Found in mistranslation
In a new study, scientists from Deepa Agashe's group at NCBS find that irrespective of which proteins are impacted, there is indeed a benefit to non-specific mistranslation. (2020-03-25)
Crumpled graphene makes ultra-sensitive cancer DNA detector
Graphene-based biosensors could usher in an era of liquid biopsy, detecting DNA cancer markers circulating in a patient's blood or serum. (2020-03-24)
eDNA provides researchers with 'more than meets the eye'
Researchers from Curtin University have used next generation DNA sequencing to learn more about the different species of plants, insects and animals present in the Pilbara and Perth regions of Western Australia. (2020-03-24)
Scientists reveal how proteins team up to repair DNA
Scientists have revealed an important mechanism in the repair of DNA double-strand breaks, according to new research published today in eLife. (2020-03-24)
Small horses got smaller, big tapirs got bigger 47 million years ago
The former coalfield of Geiseltal in Saxony-Anhalt has yielded large numbers of exceptionally preserved fossil animals, giving palaeontologists a unique window into the evolution of mammals 47 million years ago. (2020-03-24)
Organellogenesis still a work in progress in novel dinoflagellates
Organellogenesis, where an endosymbiont is transformed into an organelle within the host, is not well understood. (2020-03-23)
Seeing is believing: Visualizing differences in RNA biology between single cells
Researchers from the University of Tsukuba developed the novel and publicly available computational tool Millefy to visualize heterogeneity in RNA biology between single cells. (2020-03-23)
Epigenetic inheritance: A silver bullet against climate change?
The rapid pace of climate change threatens all living species. (2020-03-20)
Finding the Achilles' heel of cancer cells
The key to effective cures for cancers is to find weak points of cancer cells that are not found in non-cancer cells. (2020-03-17)
Bacteria play 'rummy' with genes, UofSC biologist shows
New research by a University of South Carolina biologist shows that when bacteria take on new DNA through horizontal gene transfer, they simultaneously shed DNA at the same time. (2020-03-17)
Highly efficient, low-cost method developed to reduce DNA errors
A team of researchers from the Chinese Academy of Science (CAS) has developed a more efficient and cost-effective way to accurately synthesize DNA than traditionally used methods. (2020-03-16)
Cancer diagnostics
A good indicator of dysregulation in live cells is a change in their RNA expression. (2020-03-16)
Elucidation of mechanisms that coordinate cell memory inheritance with DNA replication
Why normal cells turn into cancer cells? One of the factors is deeply related to the failure of the cell differentiation mechanism called DNA methylation. (2020-03-16)
A seven-gene-deleted African swine fever virus is safe and effective vaccine in pigs
African swine fever (ASF) is severely threatening the global pig industry. (2020-03-14)
Surprising research: Prehistoric hyenas and humans share migration patterns
New research into the evolutionary history and prehistoric migrations of hyenas reveals surprising similarities between hyenas and prehistoric humans. (2020-03-13)
Environmental DNA in rivers offers new tool for detecting wildlife communities
Ecologists in England and Scotland, collaborating with ecologists Christopher Sutherland and Joseph Drake at the University of Massachusetts Amherst, report this week on a new method of identifying an 'entire community of mammals' -- including elusive and endangered species that are otherwise difficult to monitor -- by collecting DNA from river water. (2020-03-12)
Careless cancer cells may be susceptible to future drugs
Could the ability of cancer cells to quickly alter their genome be used as a weapon against malignant tumors? (2020-03-11)
Dinosaur stomping ground in Scotland reveals thriving middle Jurassic ecosystem
During the Middle Jurassic Period, the Isle of Skye in Scotland was home to a thriving community of dinosaurs that stomped across the ancient coastline, according to a study published March 11, 2020 in the open-access journal PLOS ONE by Paige dePolo and Stephen Brusatte of the University of Edinburgh, Scotland and colleagues. (2020-03-11)
Sensing infection, suppressing regeneration
UIC researchers describe an enzyme that blocks the ability of blood vessel cells to self-heal. (2020-03-11)
Two-pronged attack on DNA repair could kill drug-resistant cancers
Launching a two-pronged attack on cancer's ability to safeguard its DNA could offer an effective new way of treating the disease, a new study reports. (2020-03-11)
Metabolic fossils from the origin of life
Since the origin of life, metabolic networks provide cells with nutrition and energy. (2020-03-11)
Low-dose chest CT leaves DNA intact
The low-dose chest CT scans used in lung cancer screening do not appear to damage human DNA, according to a new study. (2020-03-10)
Why organisms shrink
Everyone is talking about global warming. A team of paleontologists at GeoZentrum Nordbayern at Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) has recently investigated how prehistoric organisms reacted to climate change, basing their research on belemnites. (2020-03-09)
Experts discover toolkit to repair DNA breaks linked to aging, cancer and MND
A new 'toolkit' to repair damaged DNA that can lead to aging, cancer and motor neurone disease (MND) has been discovered by scientists at the universities of Sheffield and Oxford. (2020-03-09)
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