News tagged with bacterial chromosome
Biologists develop efficient genetic modification of human embryonic stem cells
Biologists have developed an efficient way to genetically modify human embryonic stem cells. Their approach, which uses bacterial artificial chromosomes to swap in defective copies of genes, will make possible the rapid development ...
Jan 07, 2010 |
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Scientists identify DNA that regulates antibody production
(PhysOrg.com) -- When foreign invaders trip the immune system’s alarm, antibodies need to be specially sculpted to attack them head on. New research now shows that gene segments called enhancers control the reshuffling of ...
Medicine & Health / Medical research
Nov 20, 2009 |
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Researchers Clone and Engineer Bacterial Genomes in Yeast and Transplant Genomes Back into Bacterial Cells
Researchers at the J. Craig Venter Institute (JCVI), a not-for-profit genomic research organization, published results today describing new methods in which the entire bacterial genome from Mycoplasma mycoides was cloned ...
Aug 24, 2009 |
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Seeing color traced back to genetic mutations
From the inside of our heads, it feels as if colors are intrinsic aspects of the outside world and our eyes are beautifully designed to see them. But we humans are merely sampling the possible ways of sensing the spectrum ...
May 21, 2012 |
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J. Craig Venter describes biofuels, vaccines and foods from made-to-order microbes
Just as aspiring authors often read hundreds of books before starting their own, scientists are using decades of knowledge garnered from sequencing or "reading" the genetic codes of thousands of living things to now start ...
Mar 26, 2012 |
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New insights into ancient life: Chromosome segregation in Archaea
(PhysOrg.com) -- The effort to classify life into various groups has been a bumpy ride. Prior to the 1900s, living things were usually pegged as either plants or animals – period. By the middle of the ...
Mar 16, 2012 |
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Study reveals how protein machinery binds and wraps DNA to start replication
(PhysOrg.com) -- Before any cell - healthy or cancerous - can divide, it has to replicate its DNA. So scientists who want to know how normal cells work - and perhaps how to stop abnormal ones - are keen to ...
Mar 06, 2012 |
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High-resolution mapping of the 3D organization of chromosomes
In collaboration with researchers from the Weizmann Institute in Israel, a team from the Institut de Génétique Humaine (CNRS, France) has, for the first time, revealed the detailed three-dimensional ...
Jan 31, 2012 |
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Antibiotics in swine feed encourage gene exchange
A study to be published in the online journal mBio on November 29 shows that adding antibiotics to swine feed causes microorganisms in the guts of these animals to start sharing genes that could spread antibiotic resistance.
Nov 28, 2011 |
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Triple threat: One bacterium, three plasmids
Researchers from Australia found something completely new while conducting a genetic study of the pathogenesis of an enteric disease in birds. They report what is believed to be the first bacterial strain to carry three closely ...
Nov 14, 2011 |
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Researchers generate first complete 3-D structures of bacterial chromosome
A team of researchers at the University of Massachusetts Medical School, Harvard Medical School, Stanford University and the Prince Felipe Research Centre in Spain have deciphered the complete three-dimensional structure ...
Oct 21, 2011 |
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Close up look at a microbial vaccination program
A complex of proteins in the bacterium E.coli that plays a critical role in defending the microbe from viruses and other invaders has been discovered to have the shape of a seahorse by researchers with the U. ...
Sep 22, 2011 |
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Researchers uncover genetic link to cattle diseases
The origin of three costly cattle diseases is genetically linked, according to findings from U.S. Department of Agriculture (USDA) researchers.
Sep 08, 2011 |
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