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Tag: "too" at biology news

Researchers publish first marsupial genome sequence

...of skin cancer that also strikes humans exposed to too much of the sun's ultraviolet rays. Having the sequence of the opossum genome will give researchers the ability to learn more about the molecular basis of melanoma and its progression, as well as explore development of new therapies and preventive tr...

Sleepless for science: Flies show link between sleep, immune system in Stanford study

...bes around the room," said Schneider. "Also it was too regular, the flies got used to it so they could nap." Another option was to keep the flies in continuous light. But Schneider and Shirasu-Hiza decided that an even better way would be to turn to established fly strains isolated decades ago that po...

Heavy multivitamin use may be linked to advanced prostate cancer

...ed with early or localized prostate cancer, taking too many multivitamins may be associated with an increased risk for advanced or fatal prostate cancers, according to a study in the May 16 issue of the Journal of the National Cancer Institute . Millions of Americans take multivitamins because of a bel...

Discovery of 'master switch' for the communication process between chloroplast and nuclei of plants

...es such as drought, heat, salinity or light become too great on the organism. A research team that includes Shai Koussevitzky, a research associate in the University of Nevada, Reno’s College of Agriculture, Biotechnology and Natural Resources, as well as Ron Mittler, associate professor of Biochemistr...

Get a whiff of this: Smell test could sniff out serious health problems

... be used on adults as well as children (who may be too young to link a smell with a name) and people representing international cultures (who are unfamiliar with some common odors in the U.S.). “What’s also unique about this test is that it does not require a good memory, which is an issue in testing peo...

Discovery of new cave millipedes casts light on Arizona cave ecology

..."Caves are extreme habitats that have received far too little attention. The arthropods that can survive these dark and resource-poor environments can tell us a lot about what makes them so successful as a group." While conducting ecological inventories of 30 caves on the Colorado Plateau of northern ...

Genome sequencing reveals key to viable ethanol production

...uch as grass clippings and wood chips—once thought too difficult to turn into ethanol—may soon be fodder ...step, breaking down the plant’s cellulose, is much too inefficient. The key, Wu surmised, is to find out what enzymes the bacterium uses to accomplish its ...

Scientists see DNA get 'sunburned' for the first time

...s of its own to heal itself. But when DNA sustains too much damage, it can't replicate properly. Badly damaged cells simply die -- the effect that gives sunburn its sting. Scientists also believe that chronic damage creates mutations that lead to diseases such as skin cancer. For this study, the chemi...

Bones in motion: Brown scientists to create new 3-D X-ray system

... delivers detailed 3-D images, but CT scanners are too slow to capture rapid motion. Cinefluoroscopy, a technique that uses X-rays to view objects, can produce moving images in two dimensions, but not 3-D. An orthopedic surgeon trying to figure out the best way to repair a torn knee ligament or an evo...

Blood sugar's manufacture limited by building blocks' supply

...eneficial in people with type II diabetes who have too much glucose, partly because the liver produces more than necessary," Jain said. "Their glucose sensor is off. If you attenuate KLF15 in the liver, you might limit glucose production." Gray said she plans to further explore the underlying mecha...

Paper challenges 1491 Amazonian population theories

... will settle the debate, however. "There's just too much passion on this issue. People who are inclined to believe what we're talking about will say this is very strong evidence, and say 'let's have more.' The archaeologists will say this study only examines two districts." Bush himself calls the p...

Ancient genes used to produce salt-tolerant wheat

...d wheat is quite tolerant to salt, but we think it too can be improved. Our aim is to eventually produce wheats able, like barley, to grow in highly saline soils," Dr Munns says. Over six per cent of the world's arable land is affected by salinity. Salt tolerant crops can provide farmers with income f...

Scientists genetically engineer tomatoes with enhanced folate content

..., where adding folic acid is impractical or simply too expensive. "There are even folate deficiency issues in Europe, where addition of folic acid to foods has not been very widely practiced," Gregory said. "Theoretically, you could bypass this whole problem by ensuring that the folate is already pres...

Gut research yields new anti-cancer approach

.... Retracing her steps, she found that she had used too much inhibitor. The team, led by Lawrence J. Saubermann, M.D., associate professor of Medicine at the Medical Center, realized they had come across a potentially new therapeutic effect, and launched experiments to confirm it. Study Details I...

Study shows isolation of stem cells may lead to a treatment for hearing loss

...neration though the effects won’t show until it is too late to treat. In addition to loud noise, certain... the auditory nerve to the brain. If the sound is too loud, the hair cells are damaged and no longer send signals to the brain. Severely damaged hair cel...

Mine runoff continues to provide clues to microbial diversification

...these environmental conditions ?a pH of 0.8 -- are too extreme for most organisms to survive. A pH level of 7 is considered neutral and most proteins prefer pH levels between 5 and 7. In addition, the water from the mine often exceeds 120 degrees Fahrenheit. Because of their simpler makeup, the Banfield ...

Researchers learn what sparks plant growth

...cells in the inner layers, communicating that they too should expand." Savaldi-Goldstein made the discovery that the signal for growth originates in the epidermis by experimenting with dwarf Arabidopsis plants and the expression of brassinosteroids in the outer and inner layers of the shoot. When bras...

Need oxygen? Cells know how to spend and save

...ice to hypoxia for a few weeks and found that they too showed increased levels of COX4-2. In 1992, Semenza's team had discovered a protein which they called HIF-1 (for hypoxia-inducible factor 1) that cells make in response to hypoxia. HIF-1 turns on genes that help cells survive when oxygen is low, ...

Selectivity is ultimate aphrodisiac

... it is that they will desire you in return. (Think too desperate, too indiscriminate.) In contrast, when you desire a potential partner above and beyond your other op...

Synthetic peptide targets latent papilloma virus infections

...tic variants of human papilloma virus, though it's too early to say how many of the genotypes of this virus will respond," said Michael Botchan, professor of molecular and cell biology and a faculty affiliate of the UC Berkeley branch of the California Institute for Quantitative Biology (QB3). "The hope ...

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