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Tag: "important" at biology news

Increased risk of osteoporosis associated with gene that one in five people have

...t the researchers linked to osteoporosis may be an important genetic marker for evaluating that risk. "Ideally, you want to start early to avoid osteoporosis," Villareal says. "Our next study will look at a much younger group of women. My guess is that we will find that females with this variant gene are brea...

Scientists discover how plants disarm the toxic effects of excessive sunlight

... from a toxic byproduct of photosynthesis may hold important implications for bioenergy sources, human and plan...energy production." Reactive oxygen also plays an important role in human, animal and plant health, because it is often used as a host defense to inhibit the gr...

Gene Therapy Cures Inherited Liver Disease In Rats

...this area of the cell. The viral vector itself is important because it has no long term effect. It does not become part of the genetic machinery of the cell and poses no risk of causing cancer, said Lee. "This approach would be applicable to many diseases where you are trying to put something back, targeting...

Researchers identify protein crucial for survival of Lyme-disease bacterium

... a tick," he said. "There must be subsets of genes important to its survival there. If it can't exist in ticks, it can't maintain itself in nature and hence can't infect animals or humans." UT Southwestern molecular microbiology graduate student Andrew Revel, a lead author of the study, found the bptA gene by...

HIV-1 spread through six transmission lines in the UK

...read of the epidemic. “Since 1990 there have been important changes in Britain's social attitudes and awareness of HIV-1 and AIDS. Despite a very recent increase in high-risk behaviour among men having sex with men, a significant increase in condom use has been reported since 1990, which could explain the equ...

Multi-purpose protein regulates new protein synthesis and immune cell development

...cells make new proteins, may be more versatile and important than scientists believed. A new study by researchers from the University of Michigan Medical School and the Howard Hughes Medical Institute reveals the surprising finding that this same signaling protein is required for the formation of immune cells ...

Light therapy may combat fungal infections, new evidence suggests

...an infectious fungus perceives light also plays an important role in its virulence, according to Howard Hughes ...lowing fungal invasion of the human body may be an important and previously overlooked cue that sparks infection, the researchers said. The discovery in the hum...

Affymetrix Licenses Microfluidics Technology From Caliper Life Sciences

...forefront of life science innovation represents an important option for us," said Alan Sherr, Director of Licen...ogies -- into these vital areas of human health is important to our corporate ideals and to our future as a key technology provider to the industry." The scope ...

Heart repair gets new muscle

...ifferentiation. And with time, they might prove an important resource for developing cell-based therapies for heart disease. ### Citation: Winitsky SO, Gopal TV, Hassanzadeh S, Takahashi H, Gryder D, et al. (2005) Adult murine skeletal muscle contains cells that can differentiate into beating cardiomyocytes ...

Gray wolves maintain the food chain in winter

...is still embattled top predator - may be even more important as ecological conditions deteriorate. ### Citation: Wilmers CC, Getz WM (2005) Gray wolves as climate change buffers in Yellowstone. PLoS Biol 3(4): e92. ...

New lab technique identifies high levels of pathogens in therapy pool

...uable money and resources away from very basic and important issues." Higher winter levels of airborne pathogens in such enclosed pool areas are likely due to seasonal ventilation practices, including closed doors and windows during cold periods, said Pace. Since the study, the rate of air exchange in the poo...

Researchers find new genes necessary to make embryo

...est issue of Genome Research. This discovery is an important step toward a complete mapping of which parts of t...fic cellular roles for these genes, thus providing important clues to how these genes work in humans. The new data also asked allowed the researchers to have a ...

Marburg haemorrhagic fever in Angola update

...r several additional months, if this is needed. An important present goal is to transfer skills and responsibilities for outbreak response to national staff, and training efforts are under way with this goal in mind. ...

New insight into regulation of blood stem cells

...t on the field of stem cell therapy and to provide important in vitro model systems for the identification of genes and compounds that can be used to regulate the process of stem cell differentiation." ...

Researchers rein in regulatory RNAs

...e classes of poly(A)-negative nuclear RNA may have important biological functions." Among these functions may be the regulation of gene expression on a domain level, such as that which has been documented for several imprinted loci. Antisense transcripts have been shown to alter the methylation status of the ...

Scientists identify molecule that regulates well-known tumor suppressor

..., published in the March issue of Cancer Cell, has important implications for determining the prognosis of some human cancers, and may prove to be a suitable target for cancer therapy. The phosphatidylinositol 3' kinase signaling pathway regulates cell growth and survival, and is inhibited by activity of the ...

Love's all in the brain: fMRI study shows strong, lateralized reward, not sex, drive

...rive to pursue preferred mates, and that it has an important influence on social behaviors that have reproducti...xperience of being in love." Brown noted that "an important concept is that the caudate probably integrates huge amounts of information, everything from early p...

Researchers uncover sequence of major rice pathogen

.... "It's a clever system," Dean says. "If you have important genes, you tend to have a lot of them." The paper also reports that the M. grisea genome contains retro-elements, or remnants of viruses, living in what Dean calls "hot spots" in the genome. "These virus remnants live in discreet parts of the genom...

Reservoirs may accelerate the spread of invasive aquatic species, researchers say

... that the spread of zebra mussels, an economically important invasive species, may also have made use of reservoirs to spread. Havel, Lee, and Vander Zanden argue for research aimed at comparing rates of invasion in freshwater lakes and reservoirs that are in similar geographic regions, to determine whether th...

miRNA profiling

...rtebrate model organism, this analysis provides an important starting point for dissecting of function and evolution of small RNAs and their targets. ...

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