News tagged with resistant gene
How one strain of MRSA becomes resistant to last-line antibiotic
Researchers have uncovered what makes one particular strain of methicillin-resistant Staphylococcus aureus (MRSA) so proficient at picking up resistance genes, such as the one that makes it resistant to vancomycin, the last ...
May 22, 2012 |
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Functional genomics gets tiny
A little more than a decade ago, researchers discovered an ancient mechanism that cells use to silence genes. Like a dimmer switch turning down a light, RNA interference (RNAi) dials down gene activity in ...
May 17, 2012 |
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Bean bugs found to harbor bacteria that keep them safe from an insecticide
(Phys.org) -- Conventional wisdom says that in order for a species of insect to develop resistance to an antibiotic, several generations have to pass, whereby genes from those that have some natural resistance ...
Apr 25, 2012 |
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'Nanobubbles' plus chemotherapy equals single-cell cancer targeting
Using light-harvesting nanoparticles to convert laser energy into "plasmonic nanobubbles," researchers at Rice University, the University of Texas MD Anderson Cancer Center and Baylor College of Medicine (BCM) ...
Nanotechnology / Bio & Medicine
Apr 09, 2012 |
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Noxious nanotech: Water-borne nanomaterials promote multidrug-resistance gene transfer
(PhysOrg.com) -- The arms race between effective antibiotic prophylaxis and closely related strains or species of bacteria is continually escalating. Bacteria can quickly develop genetic resistance to a range ...
Nanotechnology / Bio & Medicine
Mar 30, 2012 |
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Spinach genes may stop deadly citrus disease
Citrus growers worldwide who currently have no cure for a devastating, tree-killing disease may soon find relief from an unlikely source: spinach.
Mar 27, 2012 |
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Researchers find protein to up yield from oilseed crops
(PhysOrg.com) -- Researchers at Montana State University have developed a protein that can be expressed in oilseed crops to increase the oil yield by as much as 40 percent, a development that could have an impact on the biodiesel ...
Mar 26, 2012 |
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Antibiotic resistant bacteria proliferate in agricultural soils
Infectious diseases kill roughly 13 million people worldwide, annually, a toll that continues to rise, aided and abetted by resistance genes. Now a study, published in the March Antimicrobial Agents and Chemotherapy finds ...
Mar 20, 2012 |
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Soil bacteria and pathogens share antibiotic resistance genes
(PhysOrg.com) -- Disease-causing bacteria’s efforts to resist antibiotics may get help from their distant bacterial relatives that live in the soil, new research at Washington University School of Medicine ...
Feb 21, 2012 |
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Plant pathologists put the squeeze on citrus disease
(PhysOrg.com) -- With Florida's $9 billion citrus industry threatened by a deadly bacterial disease, Rick Kress '73 asked scientists at Cornell's New York State Agricultural Experiment Station in Geneva for ...
Jan 17, 2012 |
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Promiscuity of resistance plasmid unprecedented
Genetic analysis of an outbreak of drug-resistant infections in one institution shows an unprecedented level of transference of resistance among strains and even species of bacteria. Researchers from the University of Virginia ...
Jan 04, 2012 |
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Revealing how a potato disease takes hold
Late blight is an economically devastating disease for potato farmers worldwide, causing tens of billions of dollars worth of damage each year. Phytophthora infestans, the causal agent of late blight, has ...
Dec 22, 2011 |
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New leads on mechanisms that confer virulence to E.coli-type bacteria
A team headed by scientists from the IRB Barcelona reports how the protein Ler, which is found in pathogenic bacteria, interacts with certain DNA sequences, thereby activating numerous genes responsible for ...
Dec 09, 2011 |
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Sewage treatment plants may contribute to antibiotic resistance problem
Water discharged into lakes and rivers from municipal sewage treatment plants may contain significant concentrations of the genes that make bacteria antibiotic-resistant. That's the conclusion of a new study ...
Dec 07, 2011 |
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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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