Softpedia
 

NEWS CATEGORIES:



NEWS ARCHIVE >>
SOFTPEDIA REVIEWS >>
MEET THE EDITORS >>
Home > News > Tags > DNA

Stories about: DNA


More: next 50 >>

How DNA Is Damaged by Enzyme Errors

Some people are at higher risk of developing cancer as a result of DNA damage than others, and a team of investigators at the Massachusetts Institute of Technology (MIT) believes it may have just discovered the mechanism behind this connection. In the study, the group focused its attention on a class of molecules c...

31 January 2012
16:31 GMT

Sending DNA 'Lifeboats' in Space May Save Our Species

Scientists say that one way of ensuring our species will survive whatever the Universe may throw against it is to spread amongst the stars. This may be achievable through suspended animation, or perhaps by sending spacecraft carrying our DNA to other planets. This is a very interesting perspective on space explorat...

5 January 2012
03:58 GMT

Excessive DNA Winding May Lead to Schizophrenia

A new discovery made by researchers in the United States could lead to the development of therapies that would address the earliest manifestations of schizophrenia. The treatments could be applied even when the individuals most at risk are in their early adulthood. In the new study, investigators demonstrate that c...

30 December 2011
04:53 GMT

Old 'Yeti Finger' Does Not Belong to the Creature

Scientists concluded that a finger claimed to have belonged to a yeti is in fact human. DNA test confirmed that the biological sample, which was removed from a monastery in Nepal where monks worshiped it, does not belong to the mythical creature. A Bigfoot researcher collected it from the monks in the 1950s, and re...

29 December 2011
09:30 GMT

Experts Gain New Insights into DNA-Damaging Processes

A group of British researchers recently carried out a study in which they emulated the processes through which DNA material inside living cells is damaged. They learned that the thickness of the membrane separating the cells from their environment plays a critical role in the process. The work was carried out with ...

12 December 2011
08:46 GMT

Oil Spill Effects Felt Long After Clean Up

An oil spill has a devastating impact on marine population even after the clean-up operations are over. This is the result of a project developed for two years, in which experts tried to evaluate the total damage caused by accidental marine pollution. In their study, scientists focused on the effects of various typ...

2 December 2011
09:17 GMT

Highly-Advanced Biosensor Electrode Uses DNA, Nanotubes

Stacking DNA and carbon nanotubes onto a biosensor electrode could lead to the development of more advanced, high-precision devices capable of accurately measuring indicators left behind in the human body by conditions such as diabetes. The team of investigators – which is based at the Purdue University &ndas...

15 November 2011
10:12 GMT

Home Environment Influences Kids' DNA

Researchers at the McGill University discovered that the effects living conditions and family conditions have on children's DNA remain visible all the way into adulthood, when the kids reach middle age. The finding has considerable implications for public policies. Together with colleagues from the University o...

26 October 2011
06:46 GMT

New Role of RNA interference Discovered

Researchers at the Cold Spring Harbor Laboratory (CSHL) announce the discovery of a new role for ribonucleic acid interference (RNAi). The mechanism was until now known only for its role in ensuring that repetitive, super-compact clumps of DNA called heterochromatin are inherited from one cellular copy to the next. I...

18 October 2011
05:02 GMT

First Carbohydrate Biopolymer Sequenced

A vital biomolecule has been sequenced for the first time at the Rensselaer Polytechnic Institute (RPI), by a team of experts coordinated by researcher Robert Linhardt. He is the Ann and John H. Broadbent Jr. ’59 Senior Constellation Professor of Biocatalysis and Metabolic Engineering at the institute. Biku...

11 October 2011
10:39 GMT

RNA Existed Long Before DNA

Decades ago, researchers discovered that ribonucleic acid (RNA) can act as a catalyst for certain chemical reactions in the cell. This led to a train of thought that ultimately showed the molecule to precede more-complex DNA by eons. Now, experts want to build a cell to prove this is true. Howard Hughes Medical In...

23 September 2011
16:31 GMT

Regulator Controlling Genetic Reshuffling Discovered

A group of experts at Children's Hospital Boston announces the discovery of a genetic regulator that plays a tremendous role in helping immune system cells respond to virtually any kind of emergency. While flowing through the bloodstream, immune cells need to be prepared to take on any type of invaders that coul...

12 September 2011
06:01 GMT

Titan's Atmosphere Could Create DNA Molecules

Despite missing liquid water, the atmosphere surrounding Saturn's largest moon, Titan, seems to be perfectly capable of producing DNA molecules, or at least some of the chemical precursors leading to these molecules. Scientists say that the “chain of life” may have already appeared high above the moo...

25 August 2011
18:01 GMT

Innovative Software for DNA Construction Developed

A group of researchers at the US Department of Energy (DOE)’s Joint BioEnergy Institute (JBEI), led by biochemist Nathan Hillson, announces the development of a new software for DNA construction that is also capable of identifying the most cost-effective solutions.Hillson has been paying attention to the econom...

17 August 2011
04:44 GMT

DNA Blocks Possibly Created on Meteorites

A team of experts recently determined that some of the basic building blocks of deoxyribonucleic acid (DNA), the basic building blocks of life, may have originated in meteorites that were produced in space. This finding has tremendous implications for theories on the origins of life here on Earth.The research lends a...

9 August 2011
07:30 GMT

Stem Cells May Help Control Cancer

The development of cancer and a host of other diseases is controlled by certain genes, which are either turned on or off to promote or inhibit progress. Researchers in the United States have just recently finished mapping a DNA modification in stem cells, whose power could be harnessed for new cures. University o...

23 July 2011
02:41 GMT

Artificial Neural Network Created at Caltech

A group of scientists from the California Institute of Technology (Caltech) announces the development of the first synthetic neural network made out of deoxyribonucleic acid (DNA). The accomplishment brings the goal of creating true artificial intelligence one step closer to reality. Many experts have tried doing so ...

21 July 2011
04:44 GMT

Engineered Organism Has New Type of DNA

A newly-engineered bacterium feature deoxyribonucleic acid (DNA) that does not include thymine, one of its four basic building blocks. Rather, the nucleotide was replaced with the synthetic unit 5-chlorouracil (c), which is usually toxic for other organisms. The four bases that usually make up DNA are adenine (A), cy...

30 June 2011
04:42 GMT

Autism Reveals Effects at Molecular Level

Until now, investigators trying to make sense of how autism works were stopped in their tracks by the fact that the mental illness appeared to leave no discernible tracks behind. In a new study, researchers in the United States finally managed to find the molecular effects of autism.This is the first time that physic...

26 May 2011
03:44 GMT

Chromosome 3 Section Involved in Underlying Depression

Scientists announce the discovery of a section of genetic material that is apparently involved in underlying depression. This particular DNA segment can be found on chromosome 3, the team says.The international collaboration of researchers that made this discovery features scientists from the King's College Lond...

16 May 2011
02:55 GMT

Titan's Atmosphere May Be Creating DNA Molecules

Planetary scientists now believe that the atmosphere surrounding Saturn's largest moon, Titan, may have what it takes to allow for the creation of basic molecules that make up DNA. The process may be going on regardless of the fact that there is no liquid water on the moon. For a very long time, experts have bee...

29 April 2011
04:54 GMT

Bacteria May Communicate Wirelessly

Experts have been wondering for a very long time about how bacteria can produce species-specific wavelengths from their cells, without the presence of any discernible, specialized apparatus. A new study suggests that their chromosomes may play a role in underlying this ability. According to the conclusions of a new s...

27 April 2011
03:51 GMT

How Proteins Repair Double-Strand Breaks in DNA

Whenever a cell replicates, DNA suffers about 10 double-strand breaks, which means that both its strands are snapped. These strands spiral against each other to create the famous, double-helix appearance that DNA has. Experts now find out how these accidents are repaired. The damage is caused by a multitude of factor...

19 April 2011
09:39 GMT

Structure of Protein Controlling DNA Replication Revealed

An international collaboration of researchers managed to identify the structure and mechanisms a protein uses to underly DNA replication. This process is critical to all lifeforms on Earth, experts say. When cells divide, each of the new copies needs to have the exact same genetic material as its precursor did. In ch...

15 April 2011
08:52 GMT

Switching Off Genes Without Lethal Effects Is Now Possible

All living things manage to survive due to the action of genes, tiny snippets of genetic information that encode proteins and other useful molecules. This is why knowing what each genes does is of vital importance. An innovation recently brought to this field of research will make things a lot easier. Scientists in t...

15 April 2011
08:02 GMT

DNA Fine-Tunes Nuclear Receptor Activity

The results of a new scientific study are now forcing experts to rethink the way they look at DNA. For a long time, the acid was believed to be only a “passive blueprint” that produces proteins, but now its role appears to be a tad more active.Deoxyribonucleic acid (DNA) produces molecules known as protei...

11 April 2011
05:05 GMT

Breast Milk Used as Biomarker for Breast Cancer Risk

A study conducted by investigators at the University of Massachusetts Amherst (UMA) has revealed that it's possible to assess a woman's chances of developing breast cancer by analyzing her breast milk.The finding is extremely important, because it means that new mothers could finally have a easy-to-use tool...

5 April 2011
06:02 GMT

DNA Repair Machines Reveals Its Secrets

Whenever a cell's genetic material is damaged, a host of processes kick in, which eventually allow the cell to repair itself, and most importantly its DNA. Researchers have now discovered the intricacies of this process, as well as its most important components. The key piece in this complex puzzle is a molecul...

31 March 2011
10:24 GMT

Panic Disorder May Have Genetic Origins

According to a new scientific study, it would appear that there is a 40 percent chance that panic disorders are inherited from parents. That is to say, experts believe they may have a genetic origin. The findings are very interesting, considering that this type of condition was usually believed to be subjective, whic...

28 March 2011
10:48 GMT

Steerable Robot Created from DNA Strands

Investigators from the University of Oxford, in the United Kingdom, announce the development of a tiny robot made entirely out of DNA strands. Unlike other similar contraptions, the machine can be steered in any direction the researchers see fit. The innovation may enable the creation of advanced nanoscale devices in...

18 March 2011
09:36 GMT

Witnessing DNA-Protein Binding Faster than Ever Before

One of the most important processes underlying the way life works is the interaction, or binding, of proteins to deoxyribonucleic acid (DNA) inside each living cell. Experts at the Rice University now create a method that allows scientists to view this interaction quicker than ever before. Conducting measurements as ...

18 March 2011
06:46 GMT

Humans May Have Originated in Southern Africa

Though many experts agree that modern humans originated in eastern Africa, the conclusions of a new, large investigation on genetic variations seem to indicate a different story, in which our ancestors in fact came from southern Africa. Scientists conducted the new research on remnants of African hunter-gatherer popu...

8 March 2011
09:32 GMT

MIT Experts Are Building DNA Detection Tool for Mars

Experts with the Massachusetts Institute of Technology (MIT) are currently developing a new tool capable of detecting DNA on another planet. They plan to send it to Mars aboard a future rover. The team's main objective is to determine whether the Red Planet ever had lifeforms that contained DNA. They also want t...

7 March 2011
05:16 GMT

Scientists Create 'Cyborg' DNA

A group of researchers in Denmark is working on creating something entirely new on this planet – lifeforms that contain an improved version of the double-helix DNA. They are, for all intents and purposes, seeking to create stable, triple-helix deoxyribonucleic acid.Since the acid was first discovered, experts h...

1 March 2011
03:41 GMT

Life May Have Had Multiple Origins

Astronomers say that life may have originated at many locations across the Universe at the same time. This means that it may have also developed in other places other than our galaxy, the Milky Way.In a recent study, experts demonstrated that life is nearly 10 billion years old, which puts its age on par with that of...

8 February 2011
09:23 GMT

DNA Strands Can Be Turned into Molecular Wires

In a groundbreaking study that may finally unlock the computers of the future, investigators in the United States were able to determine that strands of DNA can be used as molecular wires. The strands themselves should be about 34 nanometers (nm) long, the team says. As a molecular wire, the material could be use...

31 January 2011
02:13 GMT

DNA Strands Can Stretch Without Free Ends

For many years, genetics experts believed that deoxyribonucleic acid (DNA) is only capable of stretching inside living cells if it had loose-hanging, single strands called free ends. A new study shows that these structures' presence is not necessarily required to have elastic DNA.From the time it first develops,...

27 January 2011
03:17 GMT

DNA Sequencing Is Just a Part of Understanding Diseases

According to healthcare experts, the fact that genetic sequencing could be used to determine all there is to know about a certain disease is misleading sometimes, and a straight-up lie most of the times. They add that functional tests also play a critically-important part in figuring out what plagues a patient. Un...

24 January 2011
02:58 GMT

Fat Chemically Changes DNA, Explaining Obesity-Related Disease

Research carried out by a genetic epidemiologist at the Medical College of Georgia, at Georgia Prevention Institute, concluded that fat is somehow linked to certain chemical changes in the DNA, and this could be the explanation for the high risk of chronic issues, like cardiovascular disease and diabetes, in obese pe...

21 January 2011
09:07 GMT

No 'Creator' Needed for Life to Appear in the Universe

Scientists recently published the results of a new analysis, showing that the appearance life has here on Earth may be inscribed in the very laws of nature and reality. This, the team says, happens because of the way life is coded to emerge and develop, and also due to its basic components. A mathematical analysis of...

7 January 2011
09:13 GMT

DNA Tells the Color of Your Hair

If you're planning to commit a crime (don't!), or if you're just curious about the performances of forensics science, know that Erasmus MC scientists, along with their Polish colleagues, have discovered that DNA can be used to predict people's probable hair color.“That we are now making it p...

3 January 2011
11:02 GMT

Steerable DNA 'Spider' Developed

One of the main areas of research in science has lately been the development of smaller and smaller robots, of the type that were proposed in science-fiction books decades ago. A Caltech graduate student announces that the first steps have been made towards completing a molecule-sized robot. Micro-droids have capture...

29 December 2010
06:16 GMT

DNA Proved That There Are Two Elephant Species in Africa

Genetic analysis was used for the first time to prove that the African savannah elephant and the smaller African forest elephant belong to two different species, and have been separated for several million years.The research involved scientists from Harvard Medical School, the University of Illinois, and the Universi...

22 December 2010
03:45 GMT

Mystery of 3 Billion-Year-Old Genome Solved

MIT computational biologists analyzed thousands of genes from 100 modern genomes and managed to reconstruct a genomic fossil, telling not only when these genes appeared but also the ancient microbes they possessed.Life on Earth rapidly changed 580 million years ago, in a period called the Cambrian Explosion, when ove...

20 December 2010
05:02 GMT

A View of Cellular Emergency Repair Mechanisms

Scientists at the Massachusetts Institute of Technology (MIT), in Cambridge, announce that they were recently able to gain more insight into the way cells respond to threatening situations, in which their very survival is at stake. A host of processes are triggered at that time, fulfilling multiple goals. Among these...

17 December 2010
06:21 GMT

Bacteria Can Prioritize Certain Cellular Repairs

A team of researchers at the University of Bristol, in the United Kingdom, announces the discovery of a new class of repair proteins. The molecules work in a network in such a way that they enable the microorganisms producing them to prioritize between various types of cellular repairs.In other words, if a bacteria i...

10 December 2010
18:01 GMT

How Histones Control DNA

A team of researchers at the University of North Carolina (UNC) School of Medicine is currently working on a genetics research project of massive proportions. The team here is trying to determine how various “flavors” of histone are influencing our DNA.Inside the nucleus of each of our cells lie stra...

6 December 2010
11:07 GMT

Analyzing Single DNA Molecules Now Possible

An international group of scientists announces the development of a new synthetic device that can be used to conduct measurements and analyses of single DNA molecules passing through them.The innovation consists of an artificial nanopore-like structure, which is embedded in a small chip. By using a method combining s...

29 November 2010
03:32 GMT

New DNA Test Gives the Age of the Criminal

A new DNA test makes it possible to estimate the age of a criminal by the blood he/she left behind, thus narrowing down the range of possible suspects.The test was developed by Manfred Kayser from the Erasmus University Medical Center in Rotterdam, the Netherlands, and colleagues, and they say that their method needs...

26 November 2010
09:04 GMT

Molecular Oxygen Studies Targeted by New Tool

A group of scientists was recently able to create a new method of analyzing the chemical oxygen inside larger molecular systems. The findings could have important applications, especially in physics and chemistry, the investigators say.Researchers from the Queen's University, in Ontario, Canada, conduc...

18 November 2010
04:12 GMT


More: next 50 >>

WindowsGamesDriversMacLinuxScriptsMobileHandheldNews

SUBMIT PROGRAM   |   ADVERTISE   |   GET HELP   |   SEND US FEEDBACK   |   RSS FEEDS   |   UPDATE YOUR SOFTWARE   |   ROMANIAN FORUM