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News tagged with e coli

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Genomes of Two Popular Research Strains of E. coli Sequenced

(PhysOrg.com) -- An international team of researchers from the United States, Korea, and France has sequenced and analyzed the genomes of two important laboratory strains of E. coli bacteria, one used to study ...

Biology / Cell & Microbiology

created Oct 20, 2009 | popularity not rated yet | comments 0

Time in a bottle: Scientists watch evolution unfold

A 21-year Michigan State University experiment that distills the essence of evolution in laboratory flasks not only demonstrates natural selection at work, but could lead to biotechnology and medical research ...

Biology / Evolution

created Oct 18, 2009 | popularity 4.6 / 5 (42) | comments 13

Leafy greens present growing threat of food-borne illness, researchers say

A growing threat for food-borne illnesses comes attractively packaged, is stunningly convenient and is increasingly popular with shoppers looking for healthy meals: ready-to-eat leafy greens that make putting together a green ...

Medicine & Health / Health

created Oct 08, 2009 | popularity 4 / 5 (1) | comments 0

Death by light: Nanoparticles as agents for the photodynamic killing of antibiotic-resistant bacteria

(PhysOrg.com) -- The increasing antibiotic resistance of bacteria is a serious problem of our time. Hospital germs in particular have developed strains against which practically every current antibiotic is ineffective. In ...

Nanotechnology / Bio & Medicine

created Oct 05, 2009 | popularity 4.3 / 5 (3) | comments 0

Team finds a better way to watch bacteria swim

Researchers have developed a new method for studying bacterial swimming, one that allows them to trap Escherichia coli bacteria and modify the microbes' environment without hindering the way they move.

Biology / Cell & Microbiology

created Oct 04, 2009 | popularity not rated yet | comments 0

Understanding a cell's split personality aids synthetic circuits (w/ Video)

As scientists work toward making genetically altered bacteria create living "circuits" to produce a myriad of useful proteins and chemicals, they have logically assumed that the single-celled organisms would always respond ...

Chemistry / Biochemistry

created Oct 04, 2009 | popularity 5 / 5 (2) | comments 1

Engineers track bacteria's kayak paddle-like motion for first time

Yale engineers have for the first time observed and tracked E. coli bacteria moving in a liquid medium with a motion similar to that of a kayak paddle.

Physics / Soft Matter

created Sep 25, 2009 | popularity 3 / 5 (2) | comments 0

Calif. produce distributor recalls potentially contaminated bunched spinach

The bad news: Salinas, Calif., produce distributor Ippolito International on Friday recalled two brands of bunched spinach after it tested positive for Salmonella. The good news: No one got sick.

Medicine & Health / Health

created Sep 20, 2009 | popularity 3 / 5 (1) | comments 1

Unlocking the Secret of the Bladder's Bouncers

(PhysOrg.com) -- Researchers at Duke University Medical Center may have a new way to stop and even prevent the urinary tract infections (UTIs) that plague more than a third of all adults, some of them repeatedly.

Medicine & Health / Medical research

created Aug 20, 2009 | popularity 5 / 5 (1) | comments 0

Flat bacteria in nanoslits

It appears that bacteria can squeeze through practically anything. In extremely small nanoslits they take on a completely new flat shape. Even in this squashed form they continue to grow and divide at normal speeds. This ...

Nanotechnology / Bio & Medicine

created Aug 17, 2009 | popularity 5 / 5 (5) | comments 2

What science says about beach sand and stomach aches

By washing your hands after digging in beach sand, you could greatly reduce your risk of ingesting bacteria that could make you sick. In new research, scientists have determined that, although beach sand is a potential source ...

Space & Earth / Environment

created Aug 11, 2009 | popularity 3.3 / 5 (4) | comments 0

Vaccine blocks malaria transmission in lab experiments

Researchers at the Johns Hopkins Malaria Research Institute have for the first time produced a malarial protein (Pfs48/45) in the proper conformation and quantity to generate a significant immune response in mice and non-human ...

Medicine & Health / Medical research

created Jul 22, 2009 | popularity 5 / 5 (4) | comments 0

FDA: Dough's E. coli strain differs from illness

(AP) -- The Food and Drug Administration said Thursday the strain of E. coli found in a sample of raw cookie dough collected at a Nestle USA manufacturing plant does not match the strain that has been linked to a 30-state ...

Medicine & Health / Diseases, Conditions, Syndromes

created Jul 10, 2009 | popularity not rated yet | comments 0

How E. coli grows its 'nose'

(PhysOrg.com) -- Self-assembling and self-organizing systems are the Holy Grails of nanotechnology, but nature has been producing such systems for millions of years. A team of scientists has taken a unique ...

Biology / Cell & Microbiology

created Jul 07, 2009 | popularity 4.8 / 5 (4) | comments 0

Researchers engineer metabolic pathway in mice to prevent diet-induced obesity

In recent years, obesity has taken on epidemic proportions in developed nations, contributing significantly to major medical problems, early death and rising health care costs. According to Centers for Disease Control and ...

Medicine & Health / Medical research

created Jun 02, 2009 | popularity not rated yet | comments 0