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Tag: "capacity" at biology news

Bedsores and bald hides: Novel roles revealed for a 'scaffolding' protein

...imely healing of skin wounds," says Coulombe. "The capacity for wound healing decreases with age, and a better...hair follicle strength is probably centered on its capacity to control the timing of follicle cell death during normal hair growth cycles, says Coulombe. The ...

New research examines genetics of successful aging

...ing if the collection of genes that influences the capacity to reach old age with normal mental capacity differs somewhat for men and women." The majority of the successful aging or "SAG" regions overlappe...

A dichotomy in migration patterns found for sea turtles in east Atlantic

... in the open ocean are smaller, havea more limited capacity for diving, and most likely feed on a somewhatdifferent set of prey that includes small, floating plants and animals. Importantly, the correlations in animal size and foraging strategy suggest that the majority of adults in the Cape Verde population...

Researchers develop flood-tolerant California rice

...sible for providing a line of Indian rice with the capacity to survive complete submergence for more than two weeks. The researchers transferred this cluster of genes into California rice by first cross-pollinating the Indian and California rice and then continuing the cross breeding over several generations ...

Virtual realities against pain

...tion techniques are based on the patient's limited capacity for attention, resulting in a reduction in the patient's attention to the stimulus and therefore a reduction in the stimulus itself. It was assumed that the ideal distractor would require an optimum amount of attention involving various senses (visua...

Cigarette smoke blocks cell repair mechanism, University of Florida study shows

... DNA repair of a cell or compromise the DNA repair capacity of a cell. That can be detrimental for the cell an... genomic instability due to compromised DNA repair capacity of the cell can be sufficient for a tumor to develop. That has to be considered also when we do thes...

Mushrooms as good an antioxidant source as more colorful veggies

... only the vegetables with the highest anti-oxidant capacity to benefit. If you eat a variety of mushrooms along with a variety of other vegetables, you'll be getting a variety of antioxidants." ...

Delft water-purification method promises radical improvement

...various technological bottlenecks and expanded the capacity of the test installation from 3 litres per hour to 1,500 litres per hour. DHV now has the final design, which is ready for practical implementation. The aerobic granular sludge technology is very promising, and has been nominated for the Dutch Proce...

New McGill research shows mice capable of empathy

...sor of Psychology Dr. Jeffrey Mogil shows that the capacity for empathy, previously suspected but unproven even among higher primates, is also evident in lower mammals. In research published online June 29 in the journal Science, Professor Mogil, graduate student Dale Langford and their colleagues in the Pai...

The loss of a protein favors lung tumor growth

...nant tumors of large cells she observed that their capacity for growth was reduced, independently of their anchoring or invasive capacity, two key characteristics for production of metastasis. Early detection Lung cancer is one of the major causes of death, along with cardiovascular diseases, both in Euro...

Avian flu modeled on supercomputer, explores vaccine and isolation options for thwarting a pandemic

...tial pandemic influenza antigens, coupled with the capacity to rapidly make a better-matched vaccine based on human strains, would be the best strategy to mitigate pandemic influenza," say the authors, Timothy Germann, Kai Kadau, Ira Longini and Catherine Macken. Longini is a biostatistician with the Fred Hu...

Biomarkers may hone anti-aging therapies

... -- center on mitochondria and decreased energetic capacity resulting from mitochondrial DNA mutations, Sligh explained. In addition, mutations in mitochondrial DNA have been associated with tumor development. "We initiated this project with the idea that perhaps there was a specific mitochondrial DNA deleti...

Salmon go veggie to save wild fish stocks

...s been monitoring changes in fish growth, exercise capacity and hypoxia tolerance to investigate whether there are any negative consequences on the fish's growth performance and health from a change in diet. Their results, to be presented at the Society for Experimental Biology Annual Meeting on Tuesday 4th A...

Predicting successful outcomes in living-donor liver transplants

...nvestigated ICG elimination, galactose elimination capacity (GEC), and lidocaine elimination as markers for the quality of liver regeneration in 22 donors and their recipients in the first 3 months following LDLT. They found that ICG elimination and GEC remained significantly altered in donors and improved si...

Fish on acid: Hagfish cope with high levels of CO2

...ir acid-base balance, but that they have a greater capacity for rapid pH compensation than any marine or fresh water fish studied to date", explains Baker. Just as cold-blooded animals have an equal body temperature to their surrounding environment, the Hagfish has the same concentration of salt in its blood...

Evolution of 'irreducible complexity' explained

... The experiments showed that the receptor had the capacity to be activated by aldosterone long before the hormone actually evolved. Thornton's group then showed that the ancestral receptor also responded to a far more ancient hormone with a similar structure; this made it "preadapated" to be recruited int...

Possible brain hormone may unlock mystery of hibernation

...ature, suggesting its critical role in the brain's capacity for dormancy. The researchers propose that HPc in the blood is actively transported into the spinal fluid in response to the animals' natural rhythm. The hibernation complex might also play a role in the seasonal behavior changes of animal species t...

Illegal trade is propelling rare turtle toward extinction, new report

...ons, including better protection within Indonesia, capacity building to increase and improve enforcement again... hope that by increasing awareness and enforcement capacity of these agencies, poachers will find it increasingly difficult to smuggle out any of the turtles th...

Where 'jumping genes' fear to tread

...d "jumping genes," are DNA sequences that have the capacity to move from one chromosomal site to another. More than three million copies of transposons have accumulated in humans throughout the course of evolution and now comprise an estimated 45% of the total DNA content in the human genome. These mobile g...

Efficiency, not more doctors, is the prescription for aging population

...pending millions of dollars annually to expand our capacity to train physicians will not only create an oversupply, but will also divert health care dollars from care that has been shown to improve the health and wellbeing of patients," said Goodman, professor of community and family medicine and of pediatric...

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