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DNA
Top ‘dna’ Contributors
DNA Data May Reunite War-Torn Families
Angela Fillingim grew up knowing she had been adopted as a baby during El Salvador's bloody civil war. But it wasn't until she took a high school Spanish class that she really began wondering about her past.
Researchers Suggest Expanding DNA Searches
Searching DNA records has become a common practice in criminal investigations. Researchers now suggest this could be taken a step further by looking for close DNA matches that might lead police to a criminal through a relative.
Scientists crack DNA replication mystery
Source: biologynews.net
A team of scientists led by Professor Nick Dixon at the Research School of Chemistry at The Australian National University have cracked one of the great DNA mysteries.
Australian Scientists Crack DNA Replication Mystery
Source: sciencedaily.com
For more than 20 years scientists have tried in vain to understand the last step in the copying of DNA in cells that are about to divide.....
DNA tests solve mystery of giant 'lion-killing' apes
Source: New Scientist
A comprehensive investigation reveals that the supposed giant apes of Bili in the Democratic Republic of the Congo are in fact a recognised subspecies of chimpanzee. The article is incomplete without paid subscription, but you get the basic idea.
Movies show nanotubes bend like sluggish guitar strings
Source: eurekalert.org
In an exciting advance in nanotechnology imaging, Rice University scientists have discovered a way to use standard optical microscopes and video cameras to film individual carbon nanotubes – tiny cylinders of carbon no wider than a strand of DNA.
Citrus: DNA, RNA therapies could stop mutant genes
Source: sptimes.com
The abnormal DNA in cancer cells executes its deleterious effect through the protein it codes for. The DNA transfers this code to the protein-making machinery via messenger RNA (m RNA).
Most human-chimp differences due to gene regulation
Source: genome.wellcome.ac.uk
A very interesting article on gene regulation evolution that would possibly explain the 99 per cent similarity of genes from humans and chimps and suggested that altered gene regulation, rather than changes in coding, might explain how so few genetic changes could produce the wid …
454 life sciences announce breakthrough in DNA sequencing for cancer research
Source: eurekalert.org
By enabling a method of sequencing that is more comprehensive and less expensive than conventional sequencing methods, 454 SequencingTM may be used in medical research settings to detect cancer-associated genetic mutations.
Bats and horses get strangely chummy
Source: newscientist.com
YOU could call it a batty idea, but bats seem to be more closely related to horses than cows are.
DNA Samples Prove Double the Estimates of Panda Population in China
Source: foxnews.com
Scientists using DNA samples have doubled their estimates of the wild panda population in a nature sanctuary in China, in a finding they say bodes well for the survival of one of the world's endangered species.
Special reports | Revealed: the lax laws that could allow assembly of deadly virus DNA
Source: guardian.co.uk
This is just plain stupid. How hard would it be for companies to screen orders and compare them to lists of harmful DNA sequences (also screen for part). If there's more than 75% homology, then a red flag goes up.
The Origins of Life
The amazing diversity of life you see in the world today arose from simple chemical reactions on a harsh and young Earth around 4 billion years ago.
Why did modern human populations disperse from Africa ca. 60,000 years ago?
Source: pnas.org
Recent research has provided increasing support for the origins of anatomically and genetically "modern" human populations in Africa between 150,000 and 200,000 years ago, followed by a major dispersal of these populations to both Asia and Europe sometime after ca.
UCLA Announces Breakthrough In Protein Engineering
Source: scienceagogo.com
Zocchi and co-researcher Brian Choi report one representative example where the chemical mechanism by which the cell controls the function of its proteins can be effectively replaced, in vitro, by a nanotech-like mechanical control
Tooth gives up oldest human DNA
Source: news.bbc.co.uk
Scientists have recovered DNA from a Neanderthal that lived 100,000 years ago - the oldest human-type DNA so far.
100,000 year-old DNA sequence allows new look at Neandertal's genetic diversity
Source: eurekalert.org
By recovering and sequencing intact DNA from an especially ancient Neandertal specimen, researchers have found evidence suggesting that the genetic diversity among Neandertals was higher than previously thought.
Mysterious red cells might be aliens
Source: CNN.com
As bizarre as it may seem, the sample jars brimming with cloudy, reddish rainwater in Godfrey Louis's laboratory in southern India may hold, well, aliens.
Sexual Desire is in Your Genes
Source: livescience.com
Your sexual desire or lack thereof could be in your genes, scientists announced today. The discovery might change how psychologists view sexuality. The researchers found that individual differences in human sexual desire can be attributed to genetic variations.
US accountant - How I am related to Genghis Khan
Source: Times Online
From the article:A US accountant has proof that he is descended from the Mongol warlord They seem the unlikeliest of relatives. One was a fearsome warlord whose name became a byword for savagery. The other is a mild-mannered accountancy academic from Florida.
Biology Terms Everyone Should Know
I have been inspired by Rukh and his work on basic physics primers to compile a list of basic biology terms most people should know. The terms were chosen partly from a list of 100 Science Words and partly from my own opinions on the matter.
DNA shows human monkey business
Source: english.aljazeera.net
The evolutionary split between humans and chimpanzees may have occurred more recently - and been far more complicated - than previously thought, a new DNA study says.
DNA: Bacteria's survival ration
Source: biologynews.net
The ubiquitous bacteria E. coli rank among nature's most successful species for lots of reasons, to which biologists at the University of Southern California have added another: in a pinch, E. coli can feast on the DNA of their dead competitors.
Mouse Finding Violates Laws of Heredity
Source: sciam.com
DNA has long been considered the sole arbiter of heredity. New research seems to show, however, that its lesser known cousin, RNA--previously thought only to facilitate the creation of proteins as dictated by the genetic code--may itself pass traits down through the generations.
The Good, the Bad and the Ugly Sperm
Source: livescience.com
With more than 500 sperm banks in the United States and tens of thousands of donors, it was bound to happen. As reported Friday in the Journal of Pediatrics, a sperm donor from Michigan passed on a rare and potentially deadly genetic disorder to five children.
Is evolution predictable? Finding microbes' adaptation algorithms
Source: news.com.com
"Associate professor Yousif Shamoo and two students recently conducted experiments on a microbe, G. stearothermophilus, to see how it adapted to different environmental circumstances.
Observing For The First Time How DNA Damage Is Identified
Source: medicalnewstoday.com
For the first time anywhere, researchers at the Hebrew University of Jerusalem have succeeded in observing and describing how damaged DNA is naturally identified.
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