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Tag: "state" at biology news

Medical whistleblowers speak out

...anies were paying money that was being accessed by state officials. These officials "were given unrestricte...ng guidelines for the treatment of patients in the state system and were receiving money from companies with a stake in these guidelines. The marketing tact...

Anammox bacteria produce nitrogen gas in oceans' snackbar

...day 19 April, researchers from Bremen and Nijmegen state that this conversion is not carried out by denitrifying bacteria, as was believed for decades, but by anammox bacteria. Nitrogen compounds act as fertilizers and are the ecological basis for any lifeform on earth as these compounds limit the overall ...

Oceans more vulnerable to agricultural runoff than previously thought, study finds

...square kilometers) in 2002-an area bigger than the state of Massachusetts. "In the Gulf of Mexico, there's the possibility that hypoxia could occur at a local scale, which could be devastating to the shrimp and shellfish industries," Matson said. "Shrimp fisheries are very important economically, and they...

Study uncovers bacteria's worst enemy

...e selected to target a specific form and oxidation state of toxic pollutants, such as soluble hexavalent uranium carbonate for uranium contamination. However, a single chemical rarely contaminates soils and groundwater and combinations of actinides, radionuclides, organic chemicals and metal regularly exis...

Researchers develop assay that could be applied to drug screening

Using state of the art imaging technology a team from Yale School of Medicine has glimpsed one of the cell's most important 'nano-machines' in action. The work, performed in collaboration with English and French scientists, provides new insight into the machiner...

Tendency to hair loss inherited from the mother

...arch team at the Bonn University Clinic which uses state of the art technologies to carry out application-oriented aetiology. The original paper can be downloaded from the following URL: http://www.journals.uchicago.edu/AJHG/journal/issues/v77n1/42360/42360.web.pdf ...

Master gene controls healing of skin in fruit flies and mammals

... molecules." In their paper, the UCSD researchers state that studying the wound response pathway in fruit flies, which are easy to manipulate genetically, may provide new insight into wound healing in mammals. For example, Mace points out that very little is known how wound tissue stops its growth behavio...

Successful Test Of Single Molecule Switch Opens The Door To Biomolecular Electronics

...team tested has three electrical states: a neutral state where it is an insulator, a second state where electrons are removed to oxidize the molecule and make it a conductor, and a third state where...

Stealth Worms May Improve Insect Pest Control

...ncil. Ninety percent of the citrus orchards in the state have the parasitic citrus nematode. "We're looking for options in pest control," Stock says. "We're using the entomopathogenic nematodes to antagonize the citrus nematode and other plant-parasitic nematodes and disrupt their life cycle and their inf...

Currents could disrupt ocean food chain

...ed surprisingly fast. The climate went from a cold state to a warm state in as little as 20 to 50 years. Surface temperatures in Greenland increased 20 to 30 degrees Fahrenh...

Python a 'hearty' eater

...o 48 hours after eating. This heightened metabolic state lasted for up to seven days and was accompanied by a rapid remodeling of the ventricle--the lower portion of the blood-pumping organ. In experiments, the python's ventricle increased in mass by 40 percent within 48 hours. Unlike a human heart, which...

Bee mites suppress bee immunity, open door for viruses and bacteria

... virus does not cause bees to emerge from the pupa state with deformed wings, nor does it cause colony deaths. "A group of Japanese researchers found that a virus that is 99 percent the same as deformed wing, appears in in the brains of aggressive guard bees," says Cox-Foster. "Guard bees that are aggress...

Nanobacteria in clouds could spread disease, scientists claim

...regions, leading to oscillations between a dormant state and one of activation," explained Professor Wickramasinghe. "Remnants of a sticky protein (slime) coating nanobacteria makes them act as extremely efficient cloud condensation nuclei, with a tendency to aggregate to clusters upon contact." Their wor...

Rabies spread speeds up

...nd that raccoon rabies could spread throughout the state in just three years, far faster than previously th... - compared to 48 months to cross the much smaller state of Connecticut - and cover the state within 41 months. This transmission rate - 100 kilometers/year ...

U.N. mulls the protection of Earth's forests

...the forum were asked to collect information on the state of the world's forests, to review the effectiveness of the current legally non-binding arrangement and, ultimately, to bolster international commitments to sustainable forest management. Auer is also the coauthor of a report in this month's Journal ...

Scientists use manufacturing methods to reconstruct mastodon

...also recognize the American Mastodon as Michigan's state fossil, a distinction bestowed in 2002, after Washtenaw Community College professor David Thomas and students from Ann Arbor's Slauson Middle School petitioned the State Legislature. The expanded exhibit will showcase Fisher's contributions to under...

Searching the depths of the straits of Florida for disease cures

...ar one of the most substantial and relevant of any state in the country," says Harbor Branch President and ...the USCOP and will be part of the expedition. The state also funds marine drug discovery exploration through the Florida Atlantic University-based Center of...

Alien woodwasp, threat to US pine trees, found in N.Y.

...gical Society (50: 24-25, 2005). Both federal and state regulatory agencies currently are carrying out a large dragnet, setting multiple traps in places they suspect the woodwasp may be doing its destructive work. The effort is widespread because, Hoebeke says, "The potential damage from this exotic woodw...

U of T researchers map role of Epstein-Barr virus in cancer

...ns, cells stop growing and die, which is a natural state of cell regulation. Once EBNA1 is introduced to cells, however, this protein interferes with natural cell regulation by binding to USP7 and preventing its interaction with the p53 protein. "Normally, p53 levels will increase in response to certain p...

UNC plant researchers discover proteins interact to form hair-trigger protection against invaders

... teeter totter-fashion to keep plant defenses in a state of constant readiness," said Dr. Jeffrey L. Dangl, John N. Couch professor of biology in UNC's College of Arts and Sciences. Previously, he and others believed that the proteins -- RAR1, SGT1 and HSP90 -- were required for what is called signal tran...

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