News tagged with bacterial genome
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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Biomedical engineers teach bacteria to count
Biomedical engineers at Boston University have taught bacteria how to count. Professor James J. Collins and colleagues have wired a new sequence of genes that allow the microbes to count discrete events, opening the door ...
May 28, 2009 |
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Scientists begin census of microbes: the trillions that live in or on us
Scientists are beginning a large-scale effort to identify and analyze the vast majority of cells in or on your body that aren't of human origin.
Sep 02, 2009 |
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New world Helicobacter pylori genome sequenced, dynamics of inflammation-related genes revealed
An international team of researchers led by scientists at the Virginia Bioinformatics Institute (VBI) at Virginia Tech have sequenced the genome of an Amerindian strain of the gastric bug Helicobacter pylori, confirming the ou ...
Jun 16, 2010 |
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Single gene mutation can sweep through bacterial population, opening the door for the concept of 'species'
Bacteria are the most populous organisms on the planet. They thrive in almost every known environment, adapting to different habitats by means of genetic variations that provide the capabilities essential ...
Apr 05, 2012 |
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Bacterial genome may hold answers to mercury mystery
A newly sequenced bacterial genome from a team led by the Department of Energy's Oak Ridge National Laboratory could contain clues as to how microorganisms produce a highly toxic form of mercury.
Apr 08, 2011 |
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Biotech offers promise for producing fuel
Fuel may be a messy business now, as the oil spill fouling the Gulf reminds us. But it might not always have to be. Scientists envision facilities that churn out black gold by enlisting engineered bacteria, yeast and algae ...
Aug 09, 2010 |
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Whole genome analysis of Chlamydia trachomatis highlights risks with current method of tracking
In a study released today in Nature Genetics, researchers have found that Chlamydia has evolved more actively than was previously thought. Using whole genome sequencing the researchers show that the exchange of DNA betwee ...
Mar 11, 2012 |
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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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Crowd-sourcing the E. coli O104:H4 outbreak
Ten variants of the deadly Escherichia coli strain that hit Germany in May 2011 have been sequenced across the world. The unprecedented level of collaboration across the scientific community should give i ...
Sep 05, 2011 |
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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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New 'Tree of Life' established for one of the largest groups of bacteria
A new "tree of life" has been constructed by researchers at the Virginia Bioinformatics Institute (VBI) at Virginia Tech for the gamma-proteobacteria, a large group of medically and scientifically important bacteria that ...
May 17, 2010 |
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Biologists Discover How 'Silent' Mutations Influence Protein Production
(PhysOrg.com) -- Biologists at the University of Pennsylvania have revealed a hidden code that determines the expression level of a gene, providing a way to distinguish efficient genes from inefficient ones. ...
Apr 09, 2009 |
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Deadly bacteria may mimic human proteins to evolve antibiotic resistance
Deadly bacteria may be evolving antibiotic resistance by mimicking human proteins, according to a new study by the Translational Genomics Research Institute (TGen).
Jun 01, 2011 |
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