Sentences with phrase «previously unknown»

The fungus Aspergillus fumigatus produces a group of previously unknown natural products.

A team at Cold Spring Harbor Laboratory (CSHL) has published in the Journal of Biological Chemistry results of experiments that lay bare a previously unknown pathway activated in a highly lethal form of breast cancer.

«While I was discovering previously unknown lemur populations, many of them are likely to be extirpated in the near future.»

There are some rare mosquitoes in the collection but among the most interesting is what may well be a new species of spider and a satin bug previously unknown before the Pleiocene 5 million years ago.

And in 2003, the National Center for Airborne Laser Mapping was created (with funding from the National Science Foundation) in partnership with the University of Florida and the University of California, Berkeley to promote the use of ALSM in ongoing research — and so far it has even pinpointed at least one previously unknown fault line (near Puget Sound, WA).

An international team of researchers has announced the discovery of the world's oldest known fossil primate skeleton representing a previously unknown genus and species named Archicebus achilles.

Remains unearthed in 1979 in a cave in China's Guangxi Province may belong to a previously unknown, anatomically unique modern human species.

The authors have previously reported the effectiveness of the two interventions, Healthy Activity Programme (HAP) and Counselling for Alcohol Problems (CAP), at 3 months; however, the longer - term benefits of the interventions were previously unknown.

Scanning sonar from a scientific expedition has revealed the remains of a previously unknown shipwreck more than a mile deep off the North Carolina coast.

Now, a team of Brandeis University scientists has discovered a previously unknown molecular temperature sensor in fruit flies belonging to a protein family responsible for sensing tastes and smells.

The discovery suggests that badgers may play a previously unknown, but important, role in removing rotting or diseased carrion — helping ranchers, and themselves, in the process.

Having conducted analyses of genetic, morphologic, and bioacoustic data, scientists C. Daniel Rivadeneira, Dr. Pablo J. Venegas, and Dr. Santiago R. Ron concluded that the amphibians represented two previously unknown species that used to go by the name of the Sarayacu treefrog (Dendropsophus parviceps).

German researchers have identified a previously unknown emitter of methane, a potent greenhouse gas.

Using an innovative inorganic synthesis technique, an interdisciplinary team led by Dr. O'Brien, associate professor of chemistry at The City College and a member of the CUNY Energy Institute at CCNY, prepared a mineral previously unknown in nature.

Three of the tachinid species identified had not been previously reported as monarch parasitoids, one of which appears to be a new, previously unknown species.

The first six weeks of observations recorded by the spacefaring telescope, combined with follow - up studies from the ground, have revealed five previously unknown extrasolar planets — one body roughly the size of Neptune and four low - density versions of Jupiter.

When testing crystalline (red) and fluid (green) materials in an environment free of noise — sound vibration or disturbances that are known to act upon a solidifying material — scientists at Florida Tech and Arizona State University discovered that a previously unknown field modulated the speed and shape of the crystal - melt interface, leading to the pictured pattern formations.

Sequencing the whole genome of a fetus could provide a medical early warning on a previously unknown scale - but it also brings dilemmas, says Harriet A. Washington

Several studies have shown the drug helps about half of the people who take it lose more than 5 percent of their body mass within a year, but there's a great deal of variability in individual results, and the mechanism underlying its effect was previously unknown.

In addition, researchers discovered the previously unknown role of a cancer - promoting gene in the airways of smokers with lung cancer.

They found that DOCK7 activates ErbB4 through a previously unknown mechanism; this activation must occur if chandelier cells are to develop their characteristic architecture.

This previously unknown material behavior will be used to validate simulations of these operating conditions, to ensure safe operating windows are maintained.

Earlier this year, Lerner, Xie and their colleagues reported using the new method to find an antibody that can perform the remarkable trick of turning bone marrow cells into young brain cells, via a previously unknown signaling mechanism.

Researchers at the University at Buffalo have discovered a previously unknown neural pathway that can regulate changes made in the brain due to cocaine use, providing new insight into the molecular basis of cocaine addiction.

Inspired by the depth of human ignorance about the underwater realm, census researchers have already found what they believe are more than 5,000 previously unknown marine species.

Researchers from Melbourne and the UK identified a previously unknown enzyme used by bacteria, fungi and other organisms to feed on the unusual but abundant sugar sulfoquinovose — SQ for short — found in green vegetables.

These include many known DNA repair factors, as well as new proteins of previously unknown function.

However, the specific cellular structures that enable immunologic memory were previously unknown.

They identified 24 previously unknown epigenetic changes that alter a woman's risk of breast cancer and can be passed down through generations without involving changes in the DNA sequence of genes.

Now, their technique has yielded a promising lead: a previously unknown bacterium that makes a compound with infection - killing abilities.

Scientists seeking to understand the forces at work beneath the surface of Earth have used seismic waves to detect previously unknown «fingers» of heat, some of them thousands of miles long, in Earth's upper mantle.

Professor Tobias Bopp, Professor Edgar Schmitt, and Dr. Alexander Ulges of the Institute of Immunology at the University Medical Center of Johannes Gutenberg University Mainz (JGU) have made major progress towards explaining the underlying mechanisms by identifying a previously unknown sub-population of regulatory T cells.

The complex is built of the protein TPLATE and seven previously unknown proteins.

It's also the only known example of human blood and organs being buried in pottery vessels during this time in this region, raising the question of whether this was a more widespread practice, previously unknown to archaeologists.

The find — the first made with genetic, not fossil evidence — suggests that Central Asia was occupied at that time not only by Neandertals and Homo sapiens but also by a third, previously unknown hominin lineage.

CALGARY — In 2010 paleoanthropologists announced to great fanfare that they had recovered from a South African cave two partial skeletons of a previously unknown member of the human family that lived nearly two million years ago.

This previously unknown form of interaction opens up new possibilities for developing better vaccines and more efficient medication to combat the flu.

A strange dolphin skull that sat in the Smithsonian Institution National Museum of Natural History collections for more than 50 years actually belongs to a previously unknown marine ancestor of the long - beaked South Asian river dolphin, Gizmodo reports.

An international team of researchers headed by Potsdam scientist Dr. Markus Rex from the Alfred Wegener Institute has discovered a previously unknown atmospheric phenomenon over the South Seas.

When he and his team took a look at the ivy's glue with a powerful atomic - force microscope, they were able to identify a previously unknown element in its adhesive.

As it turns out, the missing link was a previously unknown type of light - sensitive cell in the human eye, distinct from the familiar rods and cones that are responsible, respectively, for night and color vision.

They discovered a previously unknown diversity of genes encoding for (de) halogenating enzymes in the soil metagenome.

But last year, Østgaard and his colleagues discovered the previously unknown gamma ray burst while reprocessing the satellite data.

Two 9.7 - million - year - old fossil teeth from Germany probably did not come from a previously unknown European root of the human lineage, as heralded in headlines over the last few days.

Some comorbidities were well known, such as the strong link between lipoprotein deficiencies and heart attack, but the vast majority were previously unknown.

Reports went viral over the weekend that Herbert Lutz at the Museum of Natural History in Mainz, Germany, had discovered a previously unknown European species of ape that had human - like teeth millions of years before African species did.

Scientists were surprised by the relative abundance of these previously unknown species at their collection localities.

Now scientists have stumbled on a previously unknown form of synesthesia in which visual flashes or movements trigger perceptions of sound.

«Our study reveals a previously unknown mechanism that we might be able to block to make tumors «visible» again to attacking immune cells, perhaps in combination with other immunotherapies,» says Miller, also an associate professor in the Department of Cell Biology.

The work has revealed previously unknown undersea channels, through which warm water might flow toward fragile ice shelves.