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Food 'Tattoos' an Alternative to Labels for Identifying Fruit

(PhysOrg.com) -- Those small and sometimes inconvenient sticky labels on produce may eventually be replaced by laser "tattoo" technology now being tested by Agricultural Research Service (ARS) and...

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E. coli, salmonella may lurk in unwashable places in produce

(PhysOrg.com) -- Sanitizing the outside of produce may not be enough to remove harmful food pathogens, according to a Purdue University study that demonstrated that Salmonella and E. coli can live...

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Gold nanocluster arrays will improve SERS sensors, researchers say

Cancer, food pathogens and biosecurity threats can all be detected using a sensing technique called surface enhanced Raman spectroscopy (SERS). To meet ever-increasing demands in sensitivity, however,...

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Researchers discover why typhoid fever pathogen targets only humans

(Phys.org)—Salmonella typhi is a particularly nasty bacterium that targets only humans and causes typhoid fever, which kills hundreds of thousands of people annually. In a new study appearing in the...

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Device speeds concentration step in food-pathogen detection

(Phys.org) —Researchers have developed a system that concentrates foodborne salmonella and other pathogens faster than conventional methods by using hollow thread-like fibers that filter out the cells,...

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Scientists find genes to tackle climate change in outback rice

(PhysOrg.com) -- University of Queensland scientists have discovered that an ancient relative of rice contains genes that could potentially save food crops from the devastating effects of global warming.

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FDA limits some antibiotics in livestock

(AP) -- The Food and Drug Administration on Wednesday ordered farmers to limit the use of a type of antibiotics they give livestock because it could make people more resistant to a key antibiotic that...

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MSU technology spin-out company to market portable biohazard detection

A new company formed around Michigan State University nanotechnology promises to move speedy detection of deadly pathogens and toxins from the laboratory directly to the field.

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Decoding the molecular machine behind E. coli and cholera

Scientists from Queen Mary, University of London have discovered the workings behind some of the bacteria that kill hundreds of thousands every year, possibly paving the way for new antibiotics that...

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New antibiotic could make food safer and cows healthier

Food-borne diseases might soon have another warrior to contend with, thanks to a new molecule discovered by chemists at the University of Illinois. The new antibiotic, an analog of the widely used food...

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High pressure kills pathogens, maintains green onions' taste and color

Green onions cause about five percent of outbreaks of food poisoning from produce, worldwide. Now a team of researchers from the University of Delaware, Newark, shows that high pressure treatment of...

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Internal cellular sensors make Salmonella dangerous: study

(Phys.org) -- Salmonella becomes dangerously virulent only when molecular sensors within the organism sense changes in the environment, a team of researchers from the Yale School of Medicine and the...

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Researchers search for viruses to save honeybees

In an effort to save the dwindling honeybee population researchers at the University of Nevada, Las Vegas are looking to viruses to help treat one of the most destructive and widespread bee brood...

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Bacteria hijack host cell process, create their own food supply to become...

Bacteria that cause the tick-borne disease anaplasmosis in humans create their own food supply by hijacking a process in host cells that normally should help kill the pathogenic bugs, scientists have...

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Tracing foodborne pathogens on the farm

(Phys.org)—In 2011, an outbreak of Listeria monocytogenes in cantaloupe led to almost 150 illnesses and 30 deaths. With a spate of recent outbreaks of such foodborne pathogens as Salmonella, Shiga...

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Discovery of 100 million-year-old regions of DNA shows short cut to crop...

(Phys.org)—Scientists have discovered 100 million-year-old regions in the DNA of several plant species which could hold secrets about how specific genes are turned 'on' or 'off'.

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A direct line through the brain to avoid rotten food—a full STOP signal for...

Consuming putrid food can be lethal as it allows bacterial pathogens to enter the digestive system. To detect signs of decay and thus allowing us and other animals to avoid such food poisoning is one...

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Discovery could help save citrus from dreaded disease

A nutrition expert at UC Davis has discovered important clues to the deadly attack strategy of a puzzling plant pathogen that has destroyed hundreds of thousands acres of citrus across the world.

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Sequencing reveals complex history of amphibian-killing fungus

(Phys.org) —One of the biggest threats facing amphibian species is the disease chytridiomycosis, which is caused by a fungus known as Batrachochytrium dendrobatidis (Bd). An understanding of the...

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Investigators link poultry contamination on farm and at processing plant

Researchers at the University of Georgia, Athens, have identified a strong link between the prevalence and load of certain food-borne pathogens on poultry farms, and later downstream at the processing...

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