News tagged with dna molecules
Related topics: dna sequences , molecules , genetic information
Monitoring Cancer Cell Changes With Quantum Dots
One of the earliest events that changes a normal cell into a malignant one is known as deoxyribonucleic acid (DNA) hypermethylation, a biochemical alteration that inactivates critical tumor-suppressor genes. A team of investigators ...
Nanotechnology / Bio & Medicine
Jul 23, 2009 |
5 / 5 (1) |
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New information about DNA repair mechanism could lead to better cancer drugs
Researchers at Washington University School of Medicine in St. Louis have shed new light on a process that fixes breaks in the genetic material of the body's cells. Their findings could lead to ways of enhancing chemotherapy ...
Jul 16, 2009 |
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Active genes discovered in the developing mammal brain
A study by scientists at Penn State provides new information about the genes that are involved in a mammal's early brain development, including those that contribute to neurological disorders. The study is ...
Jul 13, 2009 |
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Rampant helper syndrome: Methane-producing molecule can also repair DNA
The Archaea are single-celled organisms and a domain unto themselves, quite apart from the so called eukaryotes, being bacteria and higher organisms. Many species live under extreme conditions, and carry out unique biochemical ...
Jul 02, 2009 |
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Proteins in gel
Biochips carrying thousands of DNA fragments are widely used for examining genetic material. Experts would also like to have biochips on which proteins are anchored. This requires a gel layer which can now ...
Jun 24, 2009 |
4 / 5 (1) |
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Backtracking on DNA
(PhysOrg.com) -- Accuracy is essential for life, so in converting the information stored in DNA into a form in which it can be used, a high level of precision is required. Dr Tanniemola Liverpool from the ...
Jun 23, 2009 |
4.6 / 5 (9) |
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New, light-driven nanomotor is simpler, more promising, scientists say
(PhysOrg.com) -- Sunflowers track the sun as it moves from east to west. But people usually have to convert sunlight into electricity or heat to put its power to use.
Nanotechnology / Bio & Medicine
Jun 04, 2009 |
4.8 / 5 (6) |
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Small molecules mimic natural gene regulators
(PhysOrg.com) -- In the quest for new approaches to treating and preventing disease, one appealing route involves turning genes on or off at will, directly intervening in ailments such as cancer and diabetes, which result ...
Jun 03, 2009 |
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Scientists develop a new HIV microbicide -- and a way to mass produce it in plants
In what could be a major pharmaceutical breakthrough, research published online in The FASEB Journal describes how scientists from St George's, University of London have devised a one-two punch to stop HIV. First the report ...
Medicine & Health / HIV & AIDS
May 28, 2009 |
5 / 5 (1) |
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DNA molecules can detect pathogens, deliver drugs
(PhysOrg.com) -- First, Cornell researchers created DNA "bar codes" -- strands of the genetic material that quickly identify the presence of different molecules by fluorescing. Now, they have created new DNA ...
Nanotechnology / Bio & Medicine
May 20, 2009 |
5 / 5 (1) |
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DNA gripped in nanopores
Molecular biologists, including the cool dudes from CSI, use gel electrophoresis to separate DNA fragments from each other in order to analyze the DNA. A team of researchers under the leadership of Vici winner Serge Lemay, ...
Nanotechnology / Bio & Medicine
May 14, 2009 |
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Chemists see first building blocks to life on Earth
Scientists at The University of Manchester have developed an experiment that sheds new and fascinating light on how life on Earth might have begun.
May 13, 2009 |
4.9 / 5 (25) |
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Meet DNA's personal assistants
Just as scientists finished sequencing the human genome, they got a new surprise. Inside the genetic pathway, where DNA produces proteins to sustain life, they found microRNA. These tiny ubiquitous molecules have opened a ...
May 07, 2009 |
4.5 / 5 (4) |
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Specific small RNA pathways protect germ line from transposons
Cells of higher organisms are in a constant struggle against some of their own DNA - repeated bits of DNA sequence called transposons that have infiltrated host genomes over the eons. Transposons damage the rest of the genome ...
May 05, 2009 |
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High definition nanomovies reveal how RNA dances with drug partners
(PhysOrg.com) -- Building on a technique they used to produce nanomovies of RNA molecules in motion, researchers have created "high definition" versions of the animations that reveal even more details about how RNA changes ...
Apr 20, 2009 |
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