Tag: "fragile" at biology news
Biologists at Tufts University discover 1 reason why chromosomes break, often leading to cancer
...aihua Zhang focused on one particular human common fragile
site an area that is a normal part of chromosome ...ibility of the DNA helix in this particular common fragile
site by calculating the twist angle between consecutive base pairs and found that there were several...
Screening for fragile skin
...g to eradicate a genetic disorder causing a lethal fragile
skin condition among some of their drought-hardy flocks. The disease dermatosparaxis also exists in other breeds but White Dorper breeders are the first to opt for a mass flock screening program in Australia. "Their early adoption of a newly deve...
ESA mission highlighted at remote sensing conference
...rces for their subsistence without endangering the fragile
equilibrium of our planet." With their unique ...rces for their subsistence without endangering the fragile
equilibrium of our planet." With their unique view from space, satellites provide objective cove...
MIT researchers reverse symptoms in mice of leading inherited cause of mental retardation
...dition, tied to a mutated X chromosome gene called fragile
X mental retardation 1 (FMR1) gene, causes mild le...which means that the neuronal abnormalities in the fragile
X mouse are reversed after they appear," said Eric Klann, a professor at New York University's Cente...
Promising protein may prevent eye damage in premature babies
...owing new blood vessels. But these new vessels are fragile
and leaky. Weve identified a protein that is part of the bodys natural defenses in oxygen-deprived conditions, said Maria B. Grant, M.D., a professor of pharmacology and therapeutics at UFs College of Medicine. When babies are born before levels o...
FSU engineering professor growing bone in a lab
..., are at risk for osteoporosis, making their bones fragile
and vulnerable to serious fractures. Now, a Florida State University engineering professor is looking to develop new technologies that could replace bone mass lost to the disease, as well as treat traumatic bone injuries such as those suffered in a...
ACS News Service Weekly PressPac -- May 9, 2007
...eaning action, for instance, less likely to damage fragile
surfaces. In addition, they use up to 95 percent l...t and mild impact of the cleaning procedure on the fragile
painted surfaces," the report states. Researchers report on successful use of the technology in ac...
Corn, oats, cherries and red wine's high melatonin content can help delay aging
...blood, as blood cells have been proven to be "more fragile
with the years and, therefore, their cell membranes become easier to break". Use in mice The authors of this innovative finding administered small amounts of melatonin to mice and observed that not only did this substance neutralize the oxidati...
Gene mutations linked to hereditary lung disease
...es that produce an enzyme which helps lengthen the fragile
ends of chromosomes. Chromosome ends, or telomeres, contain repetitive bits of DNA code that wear down each time a cell divides. The mutations were spotted in two genes that regulate the enzyme telomerase, which keeps telomere length extended just ...
One Wwox isn't enough (to protect against cancer)
...cated on chromosome 16, spanning a region called a fragile
site, a place where the chromosome often breaks during environmental stress. Breakage at fragile
sites results in the loss of pieces of chromosomes and in chromosomal abnormalities. Both can lead t...
An architectural plan of the cell
...it with a shape, confers rigidity and protects its fragile
inner workings. The cytoskeleton is built of long protein filaments that assemble into networks whose overall architecture and fine detail can only be revealed with high resolution electron microscopy images. Researchers at the European Molecular Bio...
After scrutiny, preemie lung treatments turn out to be safe, effective
...indings may give us back a tool to help give these fragile
babies a better chance of survival." Before concerns arose in 2000 about safety of multiple courses of steroids, many mothers in on-and-off preterm labor received several rounds before delivering. Now, when mothers go into preterm labor, obstetric...
Corals that can fight global warming may one day help fragile reefs
...ies may someday be harnessed to help protect other fragile
coral reefs, Harvell said. The head of the Coral Disease Working Group of the Global Environmental Facility Coral Reef Targeted Research Program, Harvell describes these latest findings in detail in the March issue of the journal Oceanography. The wo...
Antarctic warming to reduce animals at base of ecosystem, shift some penguin populations southward
...st observers fear. It will make drastic changes in fragile
ecosystems throughout the world, especially in the... glacial dynamics of the continent but also on the fragile
marine and terrestrial ecosystems that have been thriving there in the past." ...
Bats prey on nocturnally migrating songbirds
...hat sea and desert crossings already represent for fragile
migratory passerines. Actually, the newly uncovered danger comes from the deep black sky, in the form of a 45 cm wing-spanned aerial-hawking mammal, equipped with sharp canines and an efficient radar system which remains probably largely inaudible to...
Genetic variation may reduce Alzheimer's risk
... been damaged so we think red blood cells are more fragile
in some Alzheimer's patients allowing them to be more likely to break open. Although the XmnI polymorphism's protection mechanism is not clear, the researchers found in certain circumstances, adult hemoglobin bound better to beta amyloid, so if ther...
Study: Living coral reefs provide better protection from tsunami waves
...findings offer yet another reason to protect these fragile
offshore ecosystems. "This study shows yet another way that protecting the environment relates to humanity in a very tangible way," he said. "Villages get built behind coral reefs for good reasons, and this is one of them." Kunkel said that she ho...
Hyaluronate reverses skin atrophy
...is clinically important because aging skin is more fragile
and heals slower than young skin and is also prone to ulceration. No-one knows why skin atrophy occurs, but it is becoming more common as people live longer, and there is no effective treatment for it. One characteristic of atrophic skin is that, com...
Experts advise world policies to cope with causes, rising consequences of creeping desertification
...ent of nomadic populations, causing disturbance of fragile
soil and plant resources and exacerbating salinization. New land tenure systems and economic development in marginal dryland areas have created demographic changes and increased population pressures. Meanwhile, poverty reduction policies seldom addr...
Frankincense trees overexploited for Christmas scent
...this is the first study to show quantitatively the fragile
relationship between the extraction of wood exudates and tree regeneration in natural populations....
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