News tagged with bacterial dna
First 'synthetic life': Scientists 'boot up' a bacterial cell with a synthetic genome
(PhysOrg.com) -- Scientists have developed the first cell controlled by a synthetic genome. They now hope to use this method to probe the basic machinery of life and to engineer bacteria specially designed ...
May 20, 2010 |
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Gonorrhea acquires a piece of human DNA
If a human cell and a bacterial cell met at a speed-dating event, they would never be expected to exchange phone numbers, much less genetic material. In more scientific terms, a direct transfer of DNA has never been recorded ...
Feb 14, 2011 |
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Study finds unexpected bacterial diversity on human skin
The health of our skin -- one of the body's first lines of defense against illness and injury — depends upon the delicate balance between our own cells and the millions of bacteria and other one-celled microbes ...
Medicine & Health / Medical research
May 28, 2009 |
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Unexpectedly small effects of mutations in bacteria bring new perspectives
Most mutations in the genes of the Salmonella bacterium have a surprisingly small negative impact on bacterial fitness. And this is the case regardless whether they lead to changes in the bacterial proteins or not. This i ...
Nov 05, 2010 |
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Researchers develop hybrid protein tools for gene cutting and editing
An Iowa State University team of researchers has developed a type of hybrid proteins that can make double-strand DNA breaks at specific sites in living cells, possibly leading to better gene replacement and ...
Aug 30, 2010 |
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The search for unusual alien life on Earth and life that can survive on Mars
Questions such as "How to search for weird alien life?" and "Would Earth microbes survive if delivered to the surface of Mars?" are addressed in articles that are part of the collection of reports presented ...
Space & Earth / Space Exploration
Apr 21, 2009 |
4.6 / 5 (5) |
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Researchers discover key to vital DNA, protein interaction
(PhysOrg.com) -- A researcher at Iowa State University has discovered how a group of proteins from plant pathogenic bacteria interact with DNA in the plant cell, opening up the possibility for what the scientist ...
Nov 09, 2009 |
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Rapid DNA Detection Quickly Diagnoses Infections
(PhysOrg.com) -- A new portable device can detect bacteria and help prevent the spread of infectious diseases. This new tool takes from 15 minutes to 2 hours to diagnose a patient for infectious diseases and ...
Nanotechnology / Bio & Medicine
Oct 05, 2009 |
4.8 / 5 (4) |
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New hand bacteria study holds promise for forensics identification
Forensic scientists may soon have a valuable new item in their toolkits -- a way to identify individuals using unique, telltale types of hand bacteria left behind on objects like keyboards and computer mice, ...
Mar 15, 2010 |
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DNA repair protein caught in act of molecular theft
Scientists have observed, for the first time, an intermediate stage in the chemical process that repairs DNA methylation damage and regulates many important biological functions that impact health conditions ...
Nov 10, 2010 |
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New antibiotic proves safe and well tolerated
(PhysOrg.com) -- A new antibiotic to combat drug-resistant bacteria has proved safe and well tolerated in a phase I clinical trial with plans for a phase II trial underway.
Medicine & Health / Medications
Jun 03, 2010 |
4.5 / 5 (4) |
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'Sloppier copier' surprisingly efficient
The "sloppier copier" discovered by USC biologists is also the best sixth man in the DNA repair game, an article in the journal Nature shows.
Jul 15, 2009 |
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Pinpointing how antibiotics work
Penicillin and other antibiotics have revolutionized medicine, turning once-deadly diseases into easily treatable ailments. However, while antibiotics have been in use for more than 70 years, the exact mechanism ...
Apr 20, 2012 |
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'Copy-and-paste DNA' more common than previously thought
Researchers at the University of Leicester have demonstrated that movable sequences of DNA, which give rise to genetic variability and sometimes cause specific diseases, are far more common than previously thought.
Jun 28, 2010 |
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When viruses infect bacteria
(PhysOrg.com) -- Viruses are the most abundant parasites on Earth. Well known viruses, such as the flu virus, attack human hosts, while viruses such as the tobacco mosaic virus infect plant hosts.
Jun 30, 2011 |
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