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Tag: "clearing" at biology news

Scientists close in on missing carbon sink

...of widespread logging, burning, and other forms of clearing land. The new research indicates, instead, that tr...al carbon emissions and the atmospheric impacts of clearing land more than we realized." Capturing vertical movements Most of the computer models produc...

Confirmed -- deforestation plays critical climate change role

...deforestation will continue, slowing the amount of clearing will make significant impacts. "If by 2050 we slow deforestation by 50 per cent from current levels, with the aim of stopping deforestation when we have 50 per cent of the world’s tropical forests remaining, this would save the emission of 50 billion...

The quest for an effective HIV vaccine presents new possibilities, challenges

...lude that a vaccine that prevents HIV infection by clearing the virus before cells become latently infected remains the goal. In addition, they believe that even a vaccine that does not prevent infection could prove beneficial if it prolongs the disease-free period and possibly even reduces virus transmission...

Proteasome activator enhances survival of Huntington's disease neuronal model cells

...des mutate, they can present major problems to the clearing up of the intracellular environment. In Huntington...tin. One cellular organelle with a central role of clearing such protein build up in the cell is the ubiquitin proteasome system (UPS). In Huntington's disease...

Human's ecological footprint in 2015 and Amazonia revealed

...h indicates land use in the Amazon goes far beyond clearing large areas of forest; selective logging and other canopy damage is much more pervasive than once believed. Deforestation causes collateral damage to the surrounding forests ?through enhanced drying of the forest floor, increased frequency of fires, ...

Cold sore virus might play role in Alzheimer's disease

...cientists have shown that the gene plays a role in clearing toxic amyloid beta from the brain. "Just how ApoE-4 makes people vulnerable to Alzheimer's disease isn't resolved at all," said Federoff, who is director of the University's Center for Aging and Developmental Biology. "It may be that it works in m...

Primitive yeast yields secrets of human cholesterol and drug metabolism

...d on to all four P450s, including one required for clearing half of all known drugs from the body, another involved in making bile and one required for making natural steroid hormones in the adrenal glands. “Collectively, our experiments suggest that Dap1 acts as a common regulator of cytochrome P450s in m...

Recently discovered species gain protection

...imited sanctuary is at risk from timber extraction clearing the last subtropical forest fragments surrounding it. Now, support from the American Bird Conservancy (ABC) and partners has allowed for the purchase of further habitat area in a crucial move to protect the chestnut-capped piha and other Endangered...

Hopkins scientists link immune response to 'ghost' parasites and severely congested sinuses

...w surgeons to cut away inflamed tissue and polyps, clearing a path for the sinuses to drain normally. Lane says that if left untreated, polyps can lead to severe blockage and recurring infections. All patients were monitored for a minimum of nine months to see if polyps and their resulting symptoms retur...

Developing uses for sugar-cane bagasse: Biotechnology applied to the paper industry

...h a process is also a convenient means of usefully clearing this voluminous sugar refinery waste product: indeed, one tonne of refined sugar results in two tonnes of bagasse. However, whatever the raw material used, paper pulp has to undergo processing stages of delignification and bleaching to turn it into h...

Disappearing nest egg: Researcher studying declining numbers of macaws

...acaw nesting grounds are being lost by logging and clearing the land for agriculture, he adds. Brightsmith will return to the area in October and hopes to install collars on numerous macaws and use satellite technology to track their movements and learn more about them. "We have some macaws here in captivit...

Weizmann Institute scientists discover a molecular security mechanism for keeping mutations in check

...elping to fasten the proper ubiquitin in place and clearing stalled DNA polymerase out of the way so its replacement can get to work. Thus, these two proteins manage to help the body's cells maintain a crucial balance, allowing them to divide and multiply while keeping the mutation rate, and therefore the can...

Gorilla susceptibility to Ebola virus: the cost of sociality

...mposing this population regularly visited a forest clearing where they were studied from 2001. In all, around 400 gorillas were identified from their individual morphological characteristics. Ebola virus affected this population in 2004. During and after the outbreak, the researchers used the data on the iden...

Higher risk for cervical cancer seen among women infected with multiple HPV types

...n's immune system is not particularly effective in clearing viruses. This new research is the first prospective study using multiple measurements longitudinally to investigate the relationship between multiple HPV types and a woman's risk for developing pre-cancerous abnormalities in her cervix. During each...

New GI technologies improve internal organ visualization

...ngiography and three received thermal ablation, or clearing of the aortic valve. The repeat puncture of the cardiac walls and injection of contrast to help visualize the tissues showed no complications, nor did the angiography or thermal ablation procedures. EUS-guided fine-needle aspiration, or removal of ...

Satellites show Amazon parks, indigenous reserves stop forest clearing

...iveness of tropical protected areas against forest clearing using quantitative analysis of satellite data. The... 9 times higher. Indigenous lands clearly stopped clearing in high-deforestation frontier regions: 33 of 38 indigenous territories with annual deforestation g...

Wild Gorillas Handy with a Stick

...observation platform at Mbeli Bai, a swampy forest clearing that gorillas frequently visit to forage, Breuer et al. observed an adult female gorilla named Leah (a member of a long-studied gorilla group) at the edge of a pool of water, “looking intently at the water in front of her.?Leah walked upright into th...

Scientists pinpoint inflammation gene

...that impairs SEPS1' ability to purify the cells by clearing out the bad proteins tend to suffer higher levels ...garbage truck' that doesn't properly do its job of clearing out the misfolded proteins that lead to inflammation." As further confirmation of their study resu...

Sea Ice May Be on Increase in the Antarctic

...nd fast to high glucose by raising insulin levels, clearing the blood of the circulating sugar." "Under normal feeding conditions, when glucose levels are lower, the mice with elevated Sirt1 appear normal," Imai added. "This is good news, suggesting that therapies designed to manipulate the amount of Sirt1 m...

Life-extending protein keeps blood sugar in check

...nd fast to high glucose by raising insulin levels, clearing the blood of the circulating sugar." "Under normal feeding conditions, when glucose levels are lower, the mice with elevated Sirt1 appear normal," Imai added. "This is good news, suggesting that therapies designed to manipulate the amount of Sirt1 m...

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