Tag: "integrity" at biology news
Human Y chromosome stays intact while chimp Y loses genes
...ted a process for the Y chromosome to maintain its integrity
despite lacking a mate. However, there is another region of the Y, called the "X-degenerate" region, where the genes are not situated in palindromes. "The genes in the palindrome region are primarily sperm-producing genes, and most other genes uniq...
miRNAs and musculature
...ing a role for Dmir-1 in the maintenance of muscle integrity
and identity in times of stress induced by growth. Dr. Sokol proposes that "Mir-1 could function generally to maintain muscle cell identity by ensuring that mRNAs from promiscuously transcribed nonmuscle genes remain inactive." Their work adds to t...
Story tips from the Department of Energy's Oak Ridge National Laboratory, September 2005
...rate in harsh environments and must maintain their integrity
for many years, while others may be in fairly benign locations or might be changed often. Oak Ridge National Laboratory researchers have developed Seal Selection Tool software that provides administrators access to seal performance data collected fro...
Two Sandia microChemLab technologies soon to be checking for toxins in the nation's water supplies
... could prove to be very helpful in maintaining the integrity
of the nation's water supplies. Sandia's cooperative research and development agreement (CRADA) partners in the California endeavor are CH2M Hill, a leading US engineering firm, and Tenix, an Australian engineering services company. CH2M Hill is a gl...
VCU researchers design new receptor and enhance bioassay to advance drug discovery process
...nsport and formation of large pores perturbing the integrity
of cell membranes within a single set of experiments. The new receptor is ideal because it selectively binds to pyranine, he said. Pyranine does not penetrate the lipid membrane of the cell, and therefore could provide the basis for a membrane leaka...
El Carmen the first wilderness designation in Latin America
...o promote the highest possible level of ecological integrity
of the land and avoid negative or excessive human impacts. Wilderness Zones would embrace wilderness within this certification framework and would facilitate the re-wilding process of more land in the future. It also would be an incentive to expand s...
EU research suggests that PCBs damage sperm but finds no dramatic effect on male fertility
...rm Chromatin Structure Assay (SCSA) to test the integrity
of sperm samples from the majority of the volunteers and assess the level of DNA damage the DNA fragmentation index (DFI). They measured blood serum for levels of hexachlorobiphenyl (CB-153), which is a marker for total non dioxin-like PCBs in the b...
Hope for arthritis, heart attack, stroke relief found in unique 'acid active' receptor
...al cells), and its survival is necessary for joint integrity
and proper functioning under a variety of conditio...obilization by demonstrating (1) dependence on the integrity
of the intracellular calcium store, (2) independence from extracellular calcium, and (3) proton-indu...
Valuing biodiversity services, including its insurance against disease
...a Freshwaters: Sustaining biodiversity and system integrity
Impacts of invasive alien species on ecosystem services DIVERSITAS: An international programme of biodiversity scienceDIVERSITAS brings together biological, ecological and social sciences to address key questions that underlie our limited understand...
Study uses stream fish as indicators of water quality
... the Clean Water Act is "to protect the biological integrity
of the Nation's waters," said Nathaniel "Than" Hit... "However, the law does not define what biological integrity
is. That's our task." For many years, regulatory agencies have used chemical standards to assess wat...
Pall tells FDA panel about blood filtering technology
...n reduction, including survival, maintaining their integrity
and therapeutic value (oxygen carrying properties) and other metabolic activities. On all counts measured, the studies found that the safety of processed red cells was not impaired. Implementing Prion Reduction into Routine Blood Banking Practice ...
Normal chromosome ends elicit a limited DNA damage response
...ually repairs broken strands of DNA to protect the integrity
of chromosomes. This finding solves for the first ...s the importance of telomeres in preserving genome integrity
and preventing cancer development."...
Gladstone study links Alzheimer's with toxic protein fragments
... in the mitochondria, where they impaired membrane integrity
and mitochondrial function. "Blocking interaction of apoE4 fragments with the mitochondria is a potential new strategy for inhibiting the detrimental effects of apoE4 in AD and other neurological diseases," Huang explains. "Alzheimer's disease is a c...
American Physiological Society honors 16 scientists with awards/distinguished lectureships
... Lecturer in Biomedical Ethics This award promotes integrity
in science, particularly to students in training, and fosters the highest ethical standards in biomedical research, publication, teaching, and interaction with the public. Lecture: "Transgenic Animals for Medicine and Agriculture: Do the Ends Justify...
Dover decision is good for long-term economic and scientific strength
...worked so hard and took such risks to preserve the integrity
of science education in our public schools. "We'd like to think that all sides would now abide by the judge's decision and unify around the goal of improving science education -- this is crucial in our increasingly competitive world. But at a minimu...
Common enzyme is a key player in DNA repair
...he new daughter cells can lead to cancer. When DNA integrity
is at stake, a family of proteins known as translesion DNA polymerases comes to the rescue. They cannot actually repair a damaged strand of DNA, but they can smooth over the problem by inserting a nucleotide opposite the damaged partner, so the DNA r...
Cloned stem cells prove identical to fertilized stem cells
... reprogrammed. Researchers have tried to test the integrity
of these surviving stem cells by transplanting them into fertilized blastocysts and then observing the overall health of the resulting animal. Although these animals generated entirely from cloned stem cells appear to be fine, many scientists don't a...
AAAS honors scientist's commitment to justice for workers and scientific integrity in public policy
...ear weapons programs and for advocating scientific integrity
in public policy making. David Michaels is researc...efforts to draw public attention to threats to the integrity
of scientific decision making in government exemplify the exercise of responsibility by scientists e...
AAAS denounces anti-evolution laws as hundreds of K-12 teachers convene for 'Front Line' event
...AS Board of Directors opposes these attacks on the integrity
of science and science education," he added. "They...ommend teachers for their efforts to safeguard the integrity
of U.S. science education." Speakers at the event, moderated by Omenn, include Rep. Russ Carnahan (...
'Genetic network' guards against lethal DNA damage
...ly unrecognized genes critical for maintaining DNA integrity
and novel functions for well-known genes. "A lot o...fferent, play redundant roles in governing genomic integrity
in yeast cells, filling in for each other when one of the genes is mutated or deleted. Such redundan...
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