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Tag: "advent" at biology news

Moffitt-USF head toward first human trials of anti-cancer drug that targets protein AKT

...cs research at Moffitt and around the country, the advent of "customized medicine" has been heralded in headlines and at medical conferences. The clinical trial of this Akt-inhibitor is a concrete step toward that reality. Sebti says, "The beauty of this trial is that it's molecular therapy, based on the bl...

Device traps, disables harmful bacteria

...ies, and public transit systems. Additionally, the advent of hot tubs, hospital therapy pools and other warm-water leisure and therapy pools, many bioaerosols researchers believe, creates harbors that enhance the aerosolization of microorganisms, including strains of Legionella and Mycobacterium, that can c...

Human brain is still evolving

...gin of culture in human populations as well as the advent of agriculture and written language.The research team, which was led by Bruce T. Lahn, a Howard Hughes Medical Institute investigator at the University of Chicago, published its findings in two articles in the September 9, 2005, issue of the journal ...

Viagra's hidden help for wildlife

... made by Australian and Alaskan researchers at the advent of Viagra's commercial release in 1998 that the new impotence drug might reduce demand for several animal species that are over-harvested to treat impotence with TCMs. Animals such as seals, sea horses and tigers have long been hunted because practi...

Ancient humans brought bottle gourds to the Americas from Asia

... in the Americas for thousands of years before the advent of pottery were brought over from Asia." The rese... particularly useful to human societies before the advent of pottery and settled village life, and was apparently domesticated thousands of years before any p...

Earth Rx: A microbial biotechnology prescription for global environmental health

...r biology tools began in the early 1980s, with the advent of polymerase chain reaction (PCR) amplification of microbial DNA and a new view of the evolution of organisms based on their ribosomal RNA. These technologies have advanced into high-throughput genomic and proteomic protocols that can detect specif...

Plant-derived vaccines safeguard against deadly plague

...ughout history, having been widely tamed since the advent of antibiotics. But a new concern has emerged in recent years with respect to bioterrorism. "There have been discovered some resistant strains to antibiotics and that poses a concern, especially if plague would be used as a bioweapon," said Luca Sa...

Scientists make first step towards 'holy grail' of crystallography

...his problem has become increasingly acute with the advent of structural genomics and proteomics which aim to determine the structures of thousands of proteins. Protein crystallography plays a major role in this understanding because proteins, being the major machinery of living things, are often targets for...

Psychotropic drug prescriptions for teens surge 250 percent over 7 year period

...ysicians and the public of psychotropic drugs, the advent of new medications with fewer side effects, increased screening for mental health disorders, and patient demand for such drugs. Nevertheless, the study noted that overall, pharmaceutical companies increased their spending on television advertising si...

The first baby boom

... in Europe and North Africa that occurred with the advent of agriculture. "The new farming system, resulting in sedentary societies vs. forager nomadism, not only greatly increased the number of people who could be fed, but also boosted individual fertility in women to a possibly unique extent on such a s...

Nutrition a major factor in rise in twin pregnancies

...was then the well-known dramatic increase with the advent of induced ovulation and IVF ?reaching 300 in every 1000 IVF conceptions by 2000. Among monozygotic (MZ) twins, caused by embryo division (so all are of like sex), the excess rate of same-sex twins among natural conceptions has risen steadily for t...

Artificial cornea offers better results for infants, some blind patients

...a that have damaged the cornea. Aquavella said the advent of a trouble-free artificial cornea or K-Pro is good news for those patients. "In the past, people have thought that keratoprosthesis, or an artificial cornea, was only for patients who were in disastrous circumstances, who couldn't receive a corn...

Breathing easy: When it comes to oxygen, a bug's life is full of it

...ch he was awarded the Nobel Prize in 1920. But the advent of synchrotron x-rays, an advanced form of x-ray scan, has recently allowed scientists to learn much more about how insects breathe. The new imaging technology allows scientists to observe the respiration of live bugs. This advance in technology a...

Does evolution select for faster evolvers?

...hen first proposed more than 50 years ago, but the advent of drug-resistant bacteria and subsequent discoveries, including the identification of a specialized protein that bacteria use to swap genes, has led to wide acceptance in recent years. "We know that the majority of the DNA in the genomes of some ...

Genomics throws species definition in question for microbes

... ate, and the by-products they produced. With the advent of genomic sequencing and genetic analysis in the 1990s, our understanding of the relationships between different microorganisms fundamentally changed. In light of this new knowledge, what exactly is the definition of a microbial species, and how sh...

Satellites shed light on global warming

...ted as far back as the 1930s, it was not until the advent of the satellite-borne radar altimeter that oceanographers were able to offer proof of their existence by mapping the sea surface height and seeing them move by following the measurements of the surface. Radar altimeters work by sending thousands...

The chimpanzee stone age

...ica were cracking nuts with stone tools before the advent of agriculture, thousands of years ago. The result suggests chimpanzees developed this behaviour on their own, or even that stone tool use was a trait inherited from our common ancestor. Julio Mercader, Christophe Boesch and colleagues found the ston...

DOE JGI sets 'gold standard' for metagenomic data analysis

With the advent of more powerful and economical DNA sequencing technologies, gene discovery and characterization is transitioning from single-organism studies to revealing the potential biotechnology applications embedded in communities of microbial genomes, or meta...

Surprising origin of cell's internal highways

...ively demonstrating this was impossible before the advent of live-cell imaging techniques that could reveal the true origins of these structures. "The Golgi apparatus is very close to the centrosome," said Kaverina. "So if you're not looking at it precisely, it is hard to distinguish between the centros...

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