DNA Sensors Found To Be An Effective Artificial Nose Jan 24, 2008
In a new study, Joel White, Mary AtKisson, John Kauer and colleagues demonstrate a previously unreported property of deoxyribonucleic acid. The researchers show that single-stranded DNA molecules tagged with a fluorescent reporter and dried onto solid surfaces can respond to vapor phase odor pulses in a sequence-selective manner. (Science Daily)
DNA doubtsPublic gets to voice opinion on ethics of police database Jan 10, 2008
DNA PROFILING Deoxyribonucleic acid (DNA) is found in virtually all cells Only a tiny sample of saliva, blood, semen, etc, is needed for testing At the molecule's core is a long sequence of chemical units, which is checked for a gender and 10 other 'markers' Probability of a chance match is less than one in one billion A match may be with a specific individual or hint at a relative Profiles can provide indications of ethnic origin They do not point to genetic disorders or susceptibilities.... (BBC News -- Science)
Supergenes Designed to Create Fuel From Sunlight, Devour Waste in VC Labs Jan 10, 2008
Already, scientists are producing strings of man-made DNA, short for deoxyribonucleic acid, which directs the functions of all living cells. Then they splice the manufactured DNA into the genes of existing organisms, reprogramming bacteria to act like microscopic factories churning out biofuels. (Bloomberg)
Simple New Urine Test may Spot Bowel Cancer Earlier Jan 4, 2008
Now, this new test which was developed by researchers from Britains Open University, looks for abnormal pieces of deoxyribonucleic acid (DNA), which contains the genetic information of a person and come from damaged bowel cells. These genetic materials, which are known as DNA adducts, appear in eth body at the start of the process of cancer development. (HealthJockey.com)
Copy number variation may stem from replication misstep Dec 28, 2007
DNA (deoxyribonucleic acid) exists as two complementary strands that remain together because of the attraction between nucleotides. A or adenosine is always attracted to T (thymidine). (EurekAlert!)
Building Blocks of DNA & RNA Dec 15, 2007
Nucleic acids are the vital genetic blueprint, messengers and builders of the cellular world, deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) the genetic material of cells. But what are DNA and RNA actually made of and how are they built. (Suite101.com)
Generosity is in your genes Dec 11, 2007
"The experiment provided the first evidence, to my knowledge, for a relationship between DNA (deoxyribonucleic acid that contains genetic information) variability and real human altruism - selfless concern for the welfare of others," said Ariel Knafo, lead researcher at the Hebrew University of Jerusalem. The gene AVPR1a plays a key role in allowing a hormone called arginine vasopressin to act on brain cells. (India Times, India -- Health/Science)
World study: if American, ancestors walked Bering land bridge Nov 29, 2007
To make these conclusions, the researchers examined genetic diversity and population structure taken from DNA (deoxyribonucleic acid) samples of fifty populations from around the world. They looked at 422 individuals representing 24 Native American populations in North, Central, and South America, specifically, looking at 678 genetic markers from within that DNA.. (iTWire)
Authorities hope new sketch will lead to Beth Doe’s identity Nov 20, 2007
According to Cpl. Thomas C. McAndrew, who s leading the investigation for the state police s Troop N barracks in Hazleton, there s a chance that no deoxyribonucleic acid will be extracted from samples taken from her remains last month. The samples are in Texas right now, McAndrew said, referring to a crime laboratory there. (The Citizen's Voice, PA)
Leslie E. Orgel, 80, biochemist studied origins of life Nov 6, 2007
Orgel and others began to pose seminal questions about DNA's biochemical origins in the 1960s, as the molecular structure of DNA, or deoxyribonucleic acid, was being unraveled and its role as a storehouse of genetic instructions was becoming more widely understood. Working independently, Orgel, Francis Crick and Carl R. Woese proposed that another nucleic acid, known as RNA, might well have been DNA's precursor. (Atlanta Journal-Constitution -- World)
Beth Doe’s remains reburied in Weatherly gravesite Nov 2, 2007
The remains were exhumed Tuesday morning from the rural Weatherly cemetery so that samples of deoxyribonucleic acid could be collected. Investigators are hoping to apply modern forensic technology to the case, and said they were able to collect DNA samples earlier this week. (Wilkes Barre Citizen's Voice, PA)
Teeth may be clue to identifying murder victim Beth Doe Nov 1, 2007
DNA, or deoxyribonucleic acid, carries information about an individual s genetic makeup. After a while and once decomposition sets in hair is no good, bones are no good for DNA samples, he said. (The Citizen's Voice, PA)
From beyond the grave Oct 29, 2007
DNA, or deoxyribonucleic acid, comprise the 23 pairs of chromosomes in all somatic cells. Genes on the chromosomes contain all of the information necessary to develop and operate a body. (New Haven Register, CT)
Mind the Gap Oct 11, 2007
It also turns out that it is the RNA (ribonucleic acid) and not the DNA (deoxyribonucleic acid) that holds the secret of the secret code of life. In a gene, not all DNA encode the protein. (India Times, India)
New Educational Kit Blends Art, Science Oct 10, 2007
In his Foundations series, he altered the scale of medieval cathedral architectural drawings and compared them to enlarged images of deoxyribonucleic acid (DNA) nucleotides to reveal fascinating similarities. "A Portrait of an Artist-Scientist" explains both the science and art involved in Parson's work, and provides suggestions for hands-on art projects for students to explore this relationship themselves. (PR Newswire)
Nucleic Acid Function Oct 6, 2007
Nucleic acids deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) are the genetic material of cells, their names derived from type of sugar, ribose, contained within the molecules. Nucleic Acid Structure. (Suite101.com)
Prokaryotic and Eukaryotic Cells Oct 2, 2007
The most noticeable feature that differentiates these more complex cells from prokaryotes is the presence of a nucleus, a double membrane-bound control center separating the genetic material, DNA (deoxyribonucleic acid), from the rest of the cell. Eukaryotic cells also contain internal membrane-bound structures called organelles. (Suite101.com)
Autoantibodies in Systemic Lupus Sep 26, 2007
One type of ANA, the ds-DNA antibody, which was first described in the 1950s, reacts with double stranded deoxyribonucleic acid (DNA). While antibodies to single stranded (ss) DNA are seen in many rheumatic and non-rheumatic conditions, antibodies to ds DNA are considered diagnostic for SLE. Rising and high titers of ds DNA antibodies suggest an increased risk of progressive disease. (Suite101.com)
Diseases may have no place to hide Sep 23, 2007
Almost as quickly as you can say "deoxyribonucleic acid," a machine spelled out the genetic code of the bees and all of the bacteria, viruses and other pathogens or parasites in each sample. Then it ran what amounted to a Google search through a huge National Institutes of Health database of just about all of the known DNA sequences in the world. (Atlanta Journal-Constitution)
Students get glimpse into genetics Sep 21, 2007
Deoxyribonucleic acid, or DNA, is a nucleic acid that contains the genetic instructions used in the development and functioning of all known living organisms. It is often described as a set of blueprints that carries the instructions cells need to create and form life. (Brookhaven Daily Leader, MS)
'No plan' for DNA samples for all Sep 6, 2007
DNA PROFILING Deoxyribonucleic acid (DNA) is found in virtually all cells Only a tiny sample of saliva, blood, semen, etc, is needed for testing At the molecule's core is a long sequence of chemical units, which is checked for a gender and 10 other 'markers' Probability of a chance match is less than one in one billion A match may be with a specific individual or hint at a relative Profiles can provide indications of ethnic origin They do not point to genetic disorders or susceptibilities. Keith... (BBC News -- Science)
High court to decide if conviction means no right to DNA tests Sep 4, 2007
DNA, or deoxyribonucleic acid, contains long sequences of chemical links that contain genetic information. DNA is housed in all cells and is as individual as fingerprints. (Fremont Tribune, NE)
This human's life, decoded Sep 4, 2007
DNA Deoxyribonucleic acid is the chemical code that provides the genetic instructions to build and operate a human being. It is wound like a spiralling ladder into the 23 pairs of chromosomes found in the nucleus of our cells. (Globe and Mail)
DNA science moves from crime world to art world Aug 31, 2007
With clean lines and geometrical patterns, the modern art look of genetic profiles has sparked a growing trend for DNA, or deoxyribonucleic acid, portraits -- possibly the most unique picture of a person that they could hang on their walls. DNA artwork is seen in this undated image released to Reuters on August 30, 2007 by DNA 11. (The Star Online, Malaysia)
Alcoholics With Cirrhosis Of The Liver Have More Brain Damage Than Noncirrhotic Alcoholics Aug 30, 2007
"When a gene or deoxyribonucleic acid (DNA) is 'turned on,'" said Mayfield, "it serves as a template for synthesis of ribonucleic acid (RNA), which in turn produces protein, the key element in cell function. These 'genes' hold the key or code for the ultimate production of proteins that control all functions of the brain. We know that heavy alcohol drinking changes the regulation of genes in the brain. We predicted that alcohol-related changes in brain genes would be magnified in alcoholics with... (Science Daily)
Caught by science Aug 5, 2007
DNA or Deoxyribonucleic Acid is a nucleic acid molecule that contains the genetic instructions used in the development and functioning of all known living organisms (Wikipedia). A person inherits an equal amount of DNA from the mother and father. (The Star Online, Malaysia)
Painter Odile Crick Dead at 86 Jul 30, 2007
They shared the 1962 Nobel Prize in physiology or medicine for their work on deoxyribonucleic acid. Crick was born in King's Lynn in Norfolk, England. (Guardian Unlimited -- World)
Odile Crick, who drew iconic double helix, dies at 86 Jul 30, 2007
The structure of DNA, or deoxyribonucleic acid, was discovered in 1953 by Crick's husband, Francis H. C. Crick, and James Watson. The breakthrough laid the foundation for molecular biology by making it clear that the DNA molecule is the medium in which genetic information is stored and passed from generation to generation. (International Herald Tribune)
Painter Odile Crick, who sketched double helix of DNA, dead Jul 30, 2007
They shared the 1962 Nobel Prize in physiology or medicine for their work on deoxyribonucleic acid. Born in King's Lynn in Norfolk, England, Odile Crick's interest in art took her to Vienna in the 1930s and would have led her to the Sorbonne had World War II not broken out. (Fresno Bee -- State)
Doyel: Forget allegations, Bonds points to family tree Jul 27, 2007
It's called deoxyribonucleic acid. You probably know it by its shortened name. (CBS News)
Affymetrix finds a match: Pharmaceutical firms Jul 21, 2007
GeneChips are glass "microarray technology" chips about the size of a thumbnail that contain thousands of fragments of deoxyribonucleic acid, or DNA, the basic genetic building block of all living things. A plastic case about the size of a cracker holds the glass in place. (Sacramento Business Journal, CA)
Suviving a cancer thats all in the family Jul 19, 2007
They are made of deoxyribonucleic acid (DNA) and are located on structures called chromosomes in every cell of a persons body. Genes direct much of what happens in the body, such as the determination of eye color, blood type, and in some cases, the development of cancer. (Mt. Lake Observer/Advocate, MN)
Identify Mixed Breed Dogs by DNA Jul 8, 2007
DNA is the acronym for deoxyribonucleic acid and has been called the blueprint for life. The , released in March 2007 by a life science company called MetaMorphix, is available to the public for around $75. (Suite101.com)
Were a step closer to creating a synthetic form of life Jun 30, 2007
Genomics is the field of science that involves the entire genome of an organism; that is, the hereditary information stored inside DNA deoxyribonucleic acid. Venter s goal in transplantation of the genome from one species of bacteria into another bacterial species is to help take carbon dioxide out of the atmosphere, with the eventual hope of helping clean up the atmosphere and reducing the United States dependency on petroleum products. (iTWire)
Tekmira Pharmaceuticals Provides Operational Update at AGM Jun 20, 2007
Oligonucleotides are short sequences of deoxyribonucleic acid, or DNA, and ribonucleic acid, or RNA. DNA and RNA are the molecules that determine the genetic building plan of any organism. Oligonucleotide drugs can treat disease by either stimulating the body's immune system or by switching off genes that produce disease-causing proteins. (CCNMatthews Press Releases)
Mutating the entire genome Jun 18, 2007
It is made of deoxyribonucleic acid, or DNA, a twisting, double ladder-shaped molecule made from numerous base pairs of four building blocks: nucleic acids designated A, C, G and T.. DNA in each human cell has about 3 billion base pairs, arranged into 23 pairs of chromosomes. (EurekAlert!)
Woolly mammoth died from environment and loss of diversity Jun 10, 2007
Mitochondrial DNA (deoxyribonucleic acid molecule outside of the cell nucleus) evidence from the frozen carcasses (including bones, teeth, and tusks) of 41 extinct mammoths found in northern Eurasia (specifically, Siberia) and northern North America (specifically, Alaska) were used. Tthe scientists found that the mammoths expanded from a small base some time before sixty thousand years ago. (iTWire)
US hands over $10 million to informants v. Sayyaf Jun 8, 2007
The death of Janjalani was confirmed through Deoxyribonucleic Acid (DNA) test conducted by US forensic experts. Khadaffy assumed the leadership of the Abu Sayyaf after his elder brother, Abdurajak Abubakar--who founded the group, was killed by policemen in a clash in the late 80s in Basilan province. (Sun.Star)
Soft drinks can damage kids' DNA May 29, 2007
Latest research by a British scientist shows that a preservative used in cold drinks could switch off vital parts of deoxyribonucleic acid (DNA), causing serious damage to cells particularly in children. Sodium benzoate or E211 has been used as a preservative for decades by the 74-billion global carbonated drinks industry. (India Times)
The sound of DNA| May 16, 2007
Early explorers, though, found deoxyribonucleic acid (DNA) to be a pretty limiting musical molecule. Between its interesting bits the nuggets of protein-coding genes are long, dreary, horribly repetitive stretches, sometimes called "junk" DNA, where nothing at all seems to happen. (iAfrica.com)
Quick Guide and Transcript Apr 30, 2007
Is it: A) Dual neuropathic activity, B) Diminution accelerando, C) Drafting near an apex or D) Deoxyribonucleic acid ... DNA, or deoxyribonucleic acid, is considered the basic building block of life. (CNN -- Education)
Professor uses mice to study cancer Apr 26, 2007
In her research, Noonan showed that the UV radiation damaged deoxyribonucleic acid in both adult and newborn animals. "Identifying the genes activated by UV radiation would go a long way toward understanding the mechanism of melanoma initiation," DeFabo said. (GW Hatchet, Washington DC)
Scientists Turn Genetic Keys To Unlock Bioenergy In Switchgrass Apr 25, 2007
The snapshots are actually fragments of genetic material called messenger RNA (mRNA), and they're like molecular workhorses that do the bidding of DNA (deoxyribonucleic acid). One key task is delivering instructions to make proteins. (Science Daily)
US awaits Autopsy on Campbell Apr 20, 2007
Rodrigo said there are five steps to be undertaken on Campbells body, including the assessment of the physical condition, the deoxyribonucleic acid (DNA), fingerprint examination, autopsy and odontological examination. "In the assessment and physical examination of the body, we will assess the body condition, injuries and clothing," Rodrigo told reporters during a briefing at the Crime Lab office. (Philippine Star)
ALL YOU NEED TO KNOW: BOOKS Apr 20, 2007
April 20, 2007 ALL REAL ESTATE IS LOCAL. By David Lereah. Currency by Doubleday, Random House. (Newsday -- Business)
Lewisville DNA testing lab offers child ID cards among many services Apr 7, 2007
DNA (deoxyribonucleic acid) is a chemical found inside the body s cells. DNA carries the unique code of identity for every individual. (McKinney Courier-Gazette, TX)
What is Biochemistry? Mar 27, 2007
There are two types on nucleic acid, deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). These are complicated polymers made up of units called nucleotides. (Suite101.com)
Scientists unlock the code of crime Feb 25, 2007
Earl Ritzline, criminalist at the Indian River Crime Laboratory, prepares a sample of recovered DNA for analysis while demonstrating how evidence is collected and processed. A soda can police allege Michael Bacon left at a burglary scene two years ago in Fort Pierce recently led to his arrest after his DNA was found on the aluminum can. (Vero Beach Press Journal)
Scientist tracks Dali's DNA Feb 21, 2007
Dali was captivated by James D. Watson and Francis Crick's 1953 discovery of the double helix structure of DNA, deoxyribonucleic acid, the material inside the nucleus of cells that carries genetic information. He used DNA as the inspiration for several paintings. (Philadelphia Business Journal, PA)
Biochip Allows Genes To Express Themselves Feb 20, 2007
Biochip platforms that work as artificial cells are attractive for medical diagnostics, interrogation of biological processes, and for the production of important biomolecules. However, to match the complexity of nature, the biochips need to be designed such that proteins, DNA, and other important biological components can be located in specific, spatially well-defined regions on the chips. (Science Daily)
Rep. Neal introduces expanded criminal DNA bill Feb 16, 2007
The genetic code unique to every human being is carried in a person s DNA, which stands for deoxyribonucleic acid. Analysis of DNA is the standard by which law enforcement agencies determine identification characteristics specific to one person. (Catoosa County News, GA)
Vaccine targets cancer-causer Jan 21, 2007
Medical researchers have identified the virus and mapped out the DNA, or deoxyribonucleic acid, which contains the genetic instructions for the development living organisms. Re-searchers have developed a way to alter the DNA of HPV.. (Lebanon Daily News)
Philippine military says Abu Sayyaf leader confirmed dead Jan 20, 2007
Esperon said the DNA (deoxyribonucleic acid) test results were "conclusive." The tests compared samples taken from the recovered corpse and that of Khadaffy's older brother Hector Janjalani, who is detained in Camp Bagong Diwa Bicutan, Taguig east to Manila. With the help of two arrested Abu Sayyaf members and an informant, the Philippine Marine recovered the skeletal remains of Janjalani in a makeshift grave in the jungles of Patikul, Sulu some 900 kilometers south of Manila. (Xinhuanet, China)
Finding telltale signs faster Jan 19, 2007
Anyone who watches "CSI: Crime Scene Investigation" or other popular television crime dramas has a basic fluency in the use of DNA, or deoxyribonucleic acid, as evidence. The double-helix-shaped strands of DNA store unique genetic information and are exactly the same in every cell in someone's body. (Buffalo News)
Genomic Variation Easier To Identify With 'Microinversions' Software Dec 31, 2006
-- Deoxyribonucleic acid (DNA) is a nucleic acid that contains the genetic instructions for the development and function of living things. All known cellular life and some viruses contain DNA. The main. (Science Daily)
Adenine 'Tails' Make Tailored Anchors For DNA Dec 30, 2006
RNA nucleotides contain ribose rings and uracil unlike deoxyribonucleic acid (DNA), which contains ... -- Deoxyribonucleic acid (DNA) is a nucleic acid that contains the genetic instructions for the development and function of living things. (Science Daily)
There's no 'CSI: Miami' glitz, but DNA testing is the same Dec 5, 2006
The use of DNA, or deoxyribonucleic acid, the substance that contains the genetic imprint of every living organism, began catching on among law enforcement and the courts about 10 years ago. "The type of testing has gotten more specific," she said. (Pensacola News Journal)
Vietnam succeeds in animal cloning Nov 30, 2006
This should develop into a normal baby, its only distinction being that it would be almost genetically identical to the Deoxyribonucleic Acid (DNA) donor. Therapeutic cloning could be used to provide replacement organs, or tissue for people who have had theirs damaged. (Xinhuanet, China)
$1B COMEBACK: How biotech advances helped Sirna gain attention from Merck Nov 29, 2006
Characteristics such as eye color and height are determined by proteins made according to the genetic recipes found in DNA, short for deoxyribonucleic acid. The building blockRNA, a close genetic cousin of DNA, ferries those recipes out of the nucleus to other parts of the cell where they are made into proteins that build cells throughout the body. (USA Today -- Money)
Scientists Explore Function Of 'Junk DNA' Nov 22, 2006
ScienceDaily: Scientists Explore Function Of 'Junk DNA. Scientists Explore Function Of 'Junk DNA. (Science Daily)
Zag's Frags.. Week 12 Nov 17, 2006
Zagco, your friendly neighborhood WAC football prognosticator, has not only attained perfection, but he has conquered it and made it a part of his deoxyribonucleic acid (DNA). Zagco was, yet again, PERFECT in his weekly WAC football predictions. (BroncoCountry.com)
Micro Molecules Contribute Mightily To Heart Problem Nov 16, 2006
Tiny bits of RNA -- a chemical cousin of DNA -- play a large role in causing enlargement of the heart, which is a major risk factor for heart failure and sudden death, researchers at UT Southwestern Medical Center have discovered. Researchers led by Dr. Eric Olson, chairman of molecular biology, have discovered that microscopic bits of RNA -- a chemical cousin of DNA -- play a large role in causing enlargement of the heart, which is a major risk factor for heart failure and sudden death. (Science Daily)
Parents agonize as trip delayed Nov 8, 2006
A cell's genetic material is stored on chromosomes in the nucleus on long molecules of deoxyribonucleic acid or DNA, which contain our genes. The genes dictate an organism's characteristics. (Toronto Star -- Life)
Sharp end in Bali's war against possible bird flu outbreak Nov 2, 2006
This process transforms the RNA into DNA (deoxyribonucleic acid) and also multiplies the amount of the DNA.. The final step, an electroforesis procedure conducted on the resulting DNA, will reveal the type and subtype of the virus. (Jakarta Post, Indonesia -- Features)
DNA computing targets West Nile Virus, other deadly diseases Oct 17, 2006
Scientists have tried for years to build computers out of DNA (deoxyribonucleic acid), nature's chemical blueprint for life. But getting nano-sized pieces of DNA to act as electrical circuits capable of problem-solving like their silicon counterparts has remained a major challenge. (EurekAlert!)
