Tag: "existence" at biology news

Waiter, there's a shark in my soup

...st feared predators, is slowly being fished out of existence by humans, who sell its teeth and jaws for trophies and even eat its fins in shark fin soup. Today however, great whites received some good news when scientists from the New York-based Wildlife Conservation Society (WCS) and the Guy Harvey Research ...

A molecular genetic mechanism for schizophrenia

... and colleagues in Osaka, Japan, demonstrated the existence of DISC1 protein and identified fasciculation and elongation protein zeta-1 (FEZ1) as an interacting partner of DISC1 by a yeast two-hybrid study. FEZ1 and its nematode homolog are reported to represent a new protein family involved in axonal outgrow...

The 'fixed' hotspot that created Hawaii was not stationary after all, study finds

...e long assumed that the Hawaiian Islands owe their existence to a "hotspot" stationary plumes of magma that rise from the Earth's mantle to form Mauna Loa, Kilauea and Hawaii's other massive volcanoes. But a new study posted on the online version of the journal Science disputes that long-standing paradigm by ...

A sex-specific gene for depression

...ndings confirm our earlier research suggesting the existence of susceptibility genes that have sex-limited effects on the vulnerability of women to developing severe depression," said Dr. Zubenko. "Over 80% of women in our study who inherited a particular variant of CREB1 developed depressive disorders, while ...

Universities to share technologies to fight hunger in developing countries; improve domestic crops

...n licensing them to companies, and cataloguing the existence and use of agricultural intellectual property rights, that collaboration would lead to an acceleration in the development and commercialization of improved staple and specialty crops, thereby more adequately fulfilling the institutions' public missio...

The science of summer haircuts

...mount of UV hitting the scalp, as suggested by the existence of UV-induced scalp problems in bald men, says Philpott. Hair does a very good job of blocking UV, Tobin notes. It will block ultraviolet rays from reaching the scalp skin as well, if not better, than sunscreen. Thus, hair that is kept very short,...

Scientists find potential stem cells in amniotic fluid a new source?

...eady presented good evidence in this paper for the existence of stem cells in amniotic fluid and we have evidence for neuronal differentiation. The question for the future will be what can these cells do, in which directions can they be differentiated? Whether these cells have the same potential as embryonic ...

First-ever images of developing dengue virus obtained at Purdue

...aid. "We still need other scenes from its cycle of existence - snapshots of it fusing with a cell, for example, and of it entering - to have complete understanding." The team's next step will be to confirm its findings, which Kuhn considers critical. The metamorphosis the dengue particle undergoes is so radic...

Organelle's discovery challenges theory, could alter approach to disease treatment

... and calcium components. In 2000, he reported its existence in Plasmodium berghei, a malaria-causing eukaryoti...s never been described before in a bacterium." The existence of discrete organelles is a defining component of unicellular eukaryotes, which have membrane-bound ...

Three Gorges Dam is an opportunity for ecoscience

...e of the groundwork laid by previous research, the existence of a developed theory to guide the current research and the opportunity to fully study the landscape before it is changed, Three Gorges Dam will allow the thorough testing and refinement of key hypotheses in conservation biology and landscape ecolog...

Summit generates possible solutions to exchange of invasive species in Midwest waterways

...th Asian carp threatens the abundance and even the existence of native fish species. There are nearly 40 native mussel species in the Mississippi River from the headwaters in Minnesota to southern Illinois, some of which are federally threatened or endangered. Others are dwindling in numbers due to habitat ...

Perfect planet, clever species

... moon plate tectonics the tilt of the earth the existence of heavy metallic elements flowering plants, etc. This incredibly unlikely series of conditions have combined to allow life to form, evolution to occur, and civilization to flourish. Even warfare is a sign of our special status and related to our ...

Clue to prion formation found, offers step toward treating puzzling diseases

HANOVER, NH -- Prionstheir existence is intriguing and their links to disease are unsettling. These unconventional infectious agents are involved in mad cow disease and other fatal brain illnesses in humans and animals, rattling prior assumptions about the spread of infections. Dartmout...

Controlling cell adhesion: Researchers report first evidence of 'catch bonds'

...bloodstream where there is little flow." While the existence of catch bonds has so far been confirmed in selectin molecules, Zhu believes the phenomenon applies other instances in which adhesive molecules interact in the presence of mechanical stress caused by liquid flows. The adhesion of bacterial cells to ...

Gladstone researchers find method to study hidden HIV reservoirs

...o undetectable levels. The phenomenon reflects the existence of hidden populations of latently infected cells. As a result, patients must remain on therapy for life. Eradication of these cells could lead to a cure for HIV infection. However, researchers have been hampered by their inability to identify them. ...

Hebrew University excavations strengthen dating of archaeological findings to David, Solomon

A new, laboratory-based affirmation of the existence of a united Israelite monarchy headed by kings David and Solomon in the 10th century B.C.E. has been revealed as the result of excavations carried out by the Hebrew University of Jerusalem Institute of Archeology. The findings have particular signi...

UW researchers find second anthrax toxin receptor

...were team members and co-authors on the paper. The existence of two receptors makes it clear that the toxin's e...employs two major co-receptors to enter cells. The existence of the two anthrax toxin receptors should interest cancer researchers, as both receptors are turned ...

Scientists identify protein channel that mediates body's ability to feel frigid temperatures

...al is relayed through the neuron to the brain. The existence of specialized hot- and cold-neurons had been known for years, but the molecules that actually sense the temperatures and signal back to the neuron through the axon were a complete mystery. That changed in 1997 when a group cloned the first sensory m...

As harmful as osteoporosis but less well known - New research better explains sarcopenia

...est plasma IL-6 level. These findings suggest the existence of a relationship between IL-6 and IGF-I that reciprocally conditions their effect on muscle function. Conclusions This study provides evidence that higher plasma IL-6 levels and lower plasma IGF-I levels are associated with lower muscle strength and...

Redheaded women respond better to painkilling drug

... -- including men. Previous research suggested the existence of a female-specific pain pathway in the brain. Analgesics that target receptors in this pathway, called kappa-opioid receptors, have been reported to work only in women. Using a technique called quantitative trait locus mapping, Mogil and his collea...

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Breaking Medicine News(10 mins):Health News:Snoring: Bad for Relationships, Bad for Health 2Health News:Snoring: Bad for Relationships, Bad for Health 3Health News:Transvenous lead extraction clinically successful in 98 percent of cases 2Health News:Transvenous lead extraction clinically successful in 98 percent of cases 3Health News:Leaky Gut Cure Review Reveals Unique Method to Stop Chronic Symptoms 2
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