| 单词 | Escherichia coli |
| 例句 | To evaluate triclosan’s germ-killing abilities, the team placed 20 dangerous bacteria strains, including Escherichia coli, Listeria monocytogenes and Salmonella enteritidis in petri dishes with either antibacterial or regular soap. Antibacterial soap with triclosan 'no better at killing germs' – study 2015-09-15T04:00:00Z We found both rural and urban streams have high levels of Escherichia coli, a bacterium found in human or animal feces and commonly identified in freshwater and coastal environments in Aotearoa. Antibiotic-resistant bacteria in New Zealand's wild cockles and watercress puts people at risk 2023-07-19T04:00:00Z Most organisms require a neutral pH environment to survive, including Saccharomyces cerevisiae, a more conventional yeast, or Escherichia coli bacteria. New pipeline makes valuable organic acid from plants -- saving money and emissions 2023-10-03T04:00:00Z A process typically starts by growing plants to make sugar or other food that can be fed to yeast, Escherichia coli, or other industrial microbes. Chemists convert electricity into the fuel that powers the body’s cells 2023-08-22T04:00:00Z Scanning electron micrograph of Escherichia coli, grown in culture and adhered to a cover slip. Fundamentals of Biology 2015-01-01T00:00:00Z To make cyborg cells, the researchers infused live Escherichia coli with a hydrogel, which Tan likens to a dense mass of wet molecular noodles. Scientists Create Cyborg Bacteria 2023-05-01T04:00:00Z In one published study, company scientists showed that they could “resurface” the amino acid-metabolizing enzyme l-asparaginase from Escherichia coli bacteria, altering the amino acid composition of its exterior to greatly reduce its immunogenicity. Proteins Never Seen in Nature Are Designed Using AI to Address Biomedical and Industrial Problems Unsolved by Evolution 2023-04-28T04:00:00Z The researchers mass-produced the miniature injectors by inserting genetic blueprints for the injectors into Escherichia coli bacteria. Bacterial ‘Nanosyringe’ Could Deliver Gene Therapy to Human Cells 2023-03-29T04:00:00Z In a 2018 paper, the group reported that Escherichia coli became resistant to multiple antibiotics after being exposed to fluoxetine, which is commonly sold as Prozac. How Antidepressants Help Bacteria Resist Antibiotics 2023-01-26T05:00:00Z The bacteria Escherichia coli is better known by its short name, E. coli. How to kill the most common pathogens in turkey 2022-11-23T05:00:00Z In 2013, synthetic biologist George Church of Harvard Medical School and colleagues genetically tweaked the bacterium Escherichia coli, replacing one of its stop codons with another version. Rewritten genetic code allows bacteria to fend off viral attacks 2022-10-19T04:00:00Z By 1997, the genome sequences of two important model organisms were available: the bacterium Escherichia coli K12 and the yeast Saccharomyces cerevisiae. Biology for AP Courses 2022-06-09T00:00:00Z Last year, some of Westmeyer’s TUM colleagues reported finding a possible alternative when they were exploring whether extracts from destroyed Escherichia coli cells still supported protein assembly. There’s now a cleaner, better way to create viruses that kill antibiotic-resistant bacteria 2022-07-19T04:00:00Z That’s not the only reason to shield produce from germs—some microorganisms are also the sources of illnesses, including listeriosis and Escherichia coli poisoning. Spray-On, Rinse-Off Food ‘Wrapper’ Can Cut Plastic Packaging 2022-06-24T04:00:00Z These cells are the largest bacteria ever observed, thousands of times bigger than more familiar bacteria such as Escherichia coli. You Don’t Need a Microscope to See the Biggest Bacteria Ever Found 2022-06-23T04:00:00Z Escherichia coli, or E.coli bacteria, normally live in the intestines of healthy people and animals. French prosecutors probe death linked to E. coli at Nestle pizza plant 2022-05-12T04:00:00Z The mutant could not infect the bacterium Escherichia coli and neither could viruses with a second insertion of a second DNA nucleotide. Biology for AP Courses 2022-06-09T00:00:00Z Today, yeast and Escherichia coli are widely used to produce a range of commodity chemicals, including ethanol for fuel and compounds used to make pharmaceuticals and plastics. Microbes convert industrial waste gases into commodity chemicals 2022-02-21T05:00:00Z Researchers have developed a technique that uses the common bacterium Escherichia coli to synthetically produce a muscle protein called titin, which could someday build tough and pliable fibers. Bacterial Builders Churn Out Lengthy Muscle Proteins 2021-12-31T05:00:00Z Healthy human skin is covered with bacteria such as Staphylococcus aureus and Escherichia coli, which are quick to colonize an open wound. Gel-Based Sensor Continuously Monitors Wounds for Infection 2021-11-19T05:00:00Z So he and his colleagues set out to engineer Escherichia coli to make seven natural hues. Engineered Bacteria Produce a Rainbow of Colors 2021-09-20T04:00:00Z Our discussion here will exemplify transcription by describing this process in Escherichia coli, a well-studied bacterial species. Biology for AP Courses 2022-06-09T00:00:00Z The microbes in Russian children were dominated by a nonpathogenic form of Escherichia coli. In Autoimmune Disease, Organs May Lure the Immune System into an Attack 2021-09-14T04:00:00Z They started with Mycoplasma microbes, parasites that are already pretty minimal—one variety gets by with 525 genes, compared with the roughly 4000 of the common intestinal bacterium Escherichia coli. Scientists coax cells with the world’s smallest genomes to reproduce normally 2021-03-29T04:00:00Z The immune cells recognized the LPS on some of the new bacterial strains and reacted the way they would to seeing more common bacteria such as Escherichia coli. Some Deep Sea Bacteria Are So Strange, Our Immune Sensors Miss Them 2021-03-29T04:00:00Z Her research program almost functioned as the anti-announcement: she studied gene regulation in Escherichia coli, the most unpretentious of model systems. The Human Genome and the Making of a Skeptical Biologist 2021-02-12T05:00:00Z Escherichia coli Strain A is able to grow in a minimal medium only when supplemented with methionine and biotin. Biology for AP Courses 2022-06-09T00:00:00Z When researchers added fructose to Escherichia coli cells, gene expression increased in bits of ring-shaped DNA called plasmids. Scientists ‘program’ living bacteria to store data 2021-01-11T05:00:00Z This NAD+ destruction halted cell growth in the bacterium Escherichia coli. Bacteria sting viral invaders 2020-09-27T04:00:00Z They then insert the construct into living cells, often the bacterium Escherichia coli, using the cells’ own machinery to churn out the desired protein. The sprint to solve coronavirus protein structures — and disarm them with drugs 2020-05-14T04:00:00Z Since 1988, his team has watched populations of Escherichia coli bacteria grow and evolve in the lab through more than 73,000 generations. Updated: Labs go quiet as researchers brace for long-term coronavirus disruptions 2020-03-16T04:00:00Z Since 1988, his team has watched a population of Escherichia coli bacteria grow and evolve in the lab through more than 73,000 generations. Labs go quiet as researchers brace for long-term coronavirus disruptions 2020-03-13T04:00:00Z To understand why it is important to identify bacterial strains, consider the common species Escherichia coli. Decoding the Vaginal Microbiome 2020-02-28T05:00:00Z Escherichia coli bacteria, coloured green, in a scanning electron micrograph.Credit: Powerful antibiotics discovered using AI 2020-02-19T05:00:00Z A strain of Escherichia coli engineered to produce the proteins needed to correct rare metabolic deficiencies is now in clinical trials. Therapeutic microbes to tackle disease 2020-01-28T05:00:00Z The problem in culturing cells from sediment is that most microbes aren’t as obliging as familiar lab workhorses such as Escherichia coli. The life of archaea 2020-01-14T05:00:00Z Interestingly, albeit for different reasons, both syntrophy and membranes were crucial aspects in an engineered synthetic relationship in which an Escherichia coli bacterium was maintained inside a yeast cell for more than 120 days16. Meet the relatives of our cellular ancestor 2020-01-14T05:00:00Z Wisconsin health officials late last week announced a “significant increase” in the number of Escherichia coli, or E. coli, cases in the state. Wisconsin sees 'significant increase' in E. coli cases: state health officials 2019-11-19T05:00:00Z The researchers trained its neural network to spot molecules that inhibit the growth of the bacterium Escherichia coli, using a collection of 2,335 molecules for which the antibacterial activity was known. Powerful antibiotics discovered using AI 2020-02-19T05:00:00Z The buildup of mutations steadily erodes the number of working genes in the bacteria—Buchnera has just 600 genes compared with the 5000 or so powering Escherichia coli—and make those that remain less functional. A love of insects and their microbial partners helped this biologist reveal secrets of symbiosis 2019-11-14T05:00:00Z The scientists analyzed samples from each for the presence of enterobacteria, a family of bacteria that includes such harmful pathogens as Salmonella, Escherichia coli, and Shigella, as well as numerous harmless strains. Want to put your dog on a raw meat diet? It could be dangerous for it, and you 2019-10-16T04:00:00Z They separated its components and tested some on Staphylococcus aureus, Escherichia coli and Mycobacterium tuberculosis bacteria. Scorpion Venom Could Lead to New Antibiotics 2019-10-04T04:00:00Z Escherichia coli bacteria killed with ultraviolet light were injected into the skin of healthy volunteers to generate inflammation. Cannabis research round-up 2019-08-27T04:00:00Z Producers must also test for contaminants such as the bacterium Escherichia coli, mould, heavy metals and 96 types of pesticide. The professionalization of cannabis growing 2019-08-27T04:00:00Z He inserted them into the bacterium Escherichia coli to create a reproducing, semisynthetic organism with a six-letter genetic alphabet. Star scientist out at Scripps Research 2019-08-09T04:00:00Z This is a predator named lambda, and its prey is an Escherichia coli bacterium. The World's First Virus-Proof Cell, with Redesigned DNA, Is about to Meet the Test of Its Life 2019-07-01T04:00:00Z Plasmids were inserted into the bacterium Escherichia coli, which expressed the proteins, such as enzymes, encoded by the B. thetaiotaomicron DNA. Microbes make metabolic mischief by targeting drugs 2019-06-16T04:00:00Z In 1987, a peculiar family of DNA sequences uncovered in Escherichia coli bacteria was nothing more than a fascinating quirk with murky biological significance, if any. New tools for new treatments 2019-05-14T04:00:00Z Escherichia coli, or E.coli bacteria, normally lives in the intestines of healthy people and animals. CDC investigates E.coli outbreak in several states 2019-04-05T04:00:00Z Inaoka and his team genetically modified Escherichia coli to mass-produce this enzyme. Japan’s global connectors 2019-03-19T04:00:00Z When Ihekweazu was assigned to investigate an outbreak of Escherichia coli in Cornwall, UK, for example, the local authorities resisted handing over the case. This Nigerian doctor might just prevent the next deadly pandemic 2019-02-19T05:00:00Z When the researchers added the nanoparticles to cultures of the bacteria Staphylococcus aureus or Escherichia coli, they found evidence of the particles’ antibacterial activity, similar to that of such particles derived by other methods2. Brewing nanotechnology from tea 2019-02-05T05:00:00Z Here are two Petri dishes of the bacterium Escherichia coli, placed on a light box and photographed with a camera. How to land a journal cover 2019-01-30T05:00:00Z The project joins a number of similarly long-term experiments, from the beloved pitch drop to 30 years of Escherichia coli evolution. Daily briefing: How to run a 500-year experiment 2019-01-27T05:00:00Z Densmore designed Cello in collaboration with the lab of synthetic biologist Christopher Voigt at the Massachusetts Institute of Technology in Cambridge, for use in the bacterium Escherichia coli. The automatic-design tools that are changing synthetic biology 2018-12-09T05:00:00Z In the lab, C. elegans—a key model animal for studying development and many other topics—is usually fed Escherichia coli bacteria. Cannibalistic tadpoles and matricidal worms point to a powerful new helper for evolution 2018-11-28T05:00:00Z Escherichia coli, commonly called E coli, is found throughout the environment, in food and in the guts of animals and people. Romaine lettuce and E coli: all you need to know 2018-11-22T05:00:00Z Along the same lines, his team has also played around with the shape of living Escherichia coli cells — making them wider or square by growing them in nanofabricated silicone chambers. How biologists are creating life-like cells from scratch 2018-11-06T05:00:00Z The researchers did find DNA sequences from potentially pathogenic bacteria including an avian strain of Escherichia coli and a novel strain of Legionella. That refreshing ocean mist is full of microbes 2018-09-03T04:00:00Z A single mammalian cell might contain as many as 10 million ribosomes; a single cell of the bacterium Escherichia coli, or E. coli, might get by with just tens of thousands. The Scientist Who Scrambled Darwin’s Tree of Life 2018-08-13T04:00:00Z The Escherichia coli bacteria is being developed as a vehicle for gene therapy in people.Credit: Genetically modified bacteria enlisted in fight against disease 2018-06-20T04:00:00Z The researchers focused on three of the most common drug-resistant strains: Escherichia coli, Klebsiella pneumoniae and Staphylococcus aureus, which are known to cause drug resistant urinary, skin and blood infections, respectively. A Warming Climate May Produce More Drug-Resistant Infections 2018-05-21T04:00:00Z Isaacs began experiments to recode the genome of the bacterium Escherichia coli in 2005 as a postdoctoral researcher in Church’s lab. Genome writing project aims to rally scientists around virus-proofing cells 2018-05-01T04:00:00Z Similarities in DNA sequences between this plasmid and those of other bacteria suggest that the culprit was probably Escherichia coli, which is commonly found in the human gut. A strain of typhoid could become virtually untreatable 2018-04-26T04:00:00Z These proposed defence-system genes were then expressed in the model bacteria Escherichia coli and Bacillus subtilis. A stockpile of antiviral defences 2018-04-15T04:00:00Z His group is engineering the gut bacteria Escherichia coli and Lactobacillus to recognize and destroy harmful microbes1. Genetically modified bacteria enlisted in fight against disease 2018-06-20T04:00:00Z To confirm that these were the toluene-producing proteins, Beller’s team transplanted the genes into easily cultured Escherichia coli bacteria, which expressed the proteins. In 1986, scientists found fuel-producing bacteria at the bottom of a Swiss lake. Now, they know how it works 2018-03-21T04:00:00Z Antibiotic susceptibility profiles of Escherichia coli strains lacking multidrug efflux pump genes. Extensive impact of non-antibiotic drugs on human gut bacteria 2018-03-18T04:00:00Z In most, they found communities dominated by Escherichia coli and a few other groups. Could baby’s first bacteria take root before birth? 2018-01-16T05:00:00Z Culture independent analysis of ileal mucosa reveals a selective increase in invasive Escherichia coli of novel phylogeny relative to depletion of Clostridiales in Crohn’s disease involving the ileum. Moving beyond microbiome-wide associations to causal microbe identification 2017-12-05T05:00:00Z Chemist Floyd Romesberg of the Scripps Research Institute in La Jolla, California, and his colleagues manipulated Escherichia coli bacterial cells to incorporate two types of foreign chemical bases, or letters, into their DNA. ‘Alien’ DNA makes proteins in living cells for the first time 2017-11-28T05:00:00Z Bacterial plasmids, Escherichia coli sequences, and phage ΦX174 sequences were also removed. Genome sequence of the progenitor of the wheat D genome Aegilops tauschii 2017-11-14T05:00:00Z Identification of essential genes and synthetic lethal gene combinations in Escherichia coli K-12. Extensive impact of non-antibiotic drugs on human gut bacteria 2018-03-18T04:00:00Z Overflow metabolism in Escherichia coli results from efficient proteome allocation. A global resource allocation strategy governs growth transition kinetics of Escherichia coli 2017-10-24T04:00:00Z Sustained fitness gains and variability in fitness trajectories in the long-term evolution experiment with Escherichia coli. The dynamics of molecular evolution over 60,000 generations 2017-10-17T04:00:00Z To do so, she started with a bacterium called Escherichia coli, which is much beloved by biologists. Gene editing takes another step forward 2017-10-25T04:00:00Z So the lab developed one from TadA, an enzyme in the bacterium Escherichia coli. Novel CRISPR-derived 'base editors' surgically alter DNA or RNA, offering new ways to fix mutations 2017-10-25T04:00:00Z Artist Anna Dumitriu's Antibiotic Resistance Quilt is also patched with Escherichia coli that no longer harbour drug resistance, thanks to gene editing using CRISPR. Disaster preparedness: Risk, rout and ruination : Nature : Nature Research 2017-10-24T04:00:00Z Reduction of translating ribosomes enables Escherichia coli to maintain elongation rates during slow growth. A global resource allocation strategy governs growth transition kinetics of Escherichia coli 2017-10-24T04:00:00Z Epistasis and allele specificity in the emergence of a stable polymorphism in Escherichia coli. The dynamics of molecular evolution over 60,000 generations 2017-10-17T04:00:00Z Water flowing down Briarhills Parkway in the Houston Energy Corridor contained Escherichia coli, a measure of fecal contamination, at a level more than four times that considered safe. Houston’s Floodwaters Are Tainted With Toxins, Testing Shows 2017-09-11T04:00:00Z Organisms, such as the bacterium Escherichia coli, have more-efficient reaction pathways for metabolizing glycolate than the complex pathways that evolved in plants. Bioengineering: Solar upgrade : Nature : Nature Research 2017-04-25T04:00:00Z Certain bird and pig viruses, for example, get by with just two genes, compared with nearly 4400 genes in a common strain of the intestinal bacterium Escherichia coli. Giant viruses found in Austrian sewage fuel debate over potential fourth domain of life 2017-04-06T04:00:00Z Voegele, R. T., Sweet, G. D. & Boos, W. Glycerol kinase of Escherichia coli is activated by interaction with the glycerol facilitator. A global resource allocation strategy governs growth transition kinetics of Escherichia coli 2017-10-24T04:00:00Z Genome evolution and adaptation in a long-term experiment with Escherichia coli. The dynamics of molecular evolution over 60,000 generations 2017-10-17T04:00:00Z Limits are also set on the numbers of specific microbes, such as Escherichia coli and intestinal enterococci. Four routes to better maritime governance 2016-11-27T05:00:00Z Bertozzi reported at the meeting that live Mycobacterium samples shone bright green under a fluorescence microscope, whereas those containing common bacteria, such as Escherichia coli or Staphylococcus aureus, didn’t fluoresce at all. Simple test could quickly detect tuberculosis in developing countries 2016-08-23T04:00:00Z For instance, the risk of colon cancer in mice increases in the presence of particular strains of Escherichia coli that express a gene cluster that produces a genotoxic secondary metabolite called colibactin15. Microbiome-wide association studies link dynamic microbial consortia to disease : Nature : Nature Publishing Group 2016-07-05T04:00:00Z In a preprint article published online this week on bioRxiv, he and colleagues propose an alternative to the workhorse research organism Escherichia coli. Scientists want to replace lab workhorse E. coli with the world’s fastest-growing bacterium 2016-06-18T04:00:00Z The scientists then boosted the animals’ immune response by injecting them with small pieces of synthetic venom antibodies synthesized in Escherichia coli bacteria. Synthetic biology tackles global antivenom shortage 2016-04-14T04:00:00Z A second trunk included many familiar bacteria like Escherichia coli. Scientists Unveil New ‘Tree of Life’ 2016-04-11T04:00:00Z The microorganism they used was Escherichia coli, the well-studied gut bacterium, and the technique was quantitative proteomics, allowing the identification and quantification of the proteins they were interested in. The cell's 'coal plant': Fermentation - BBC News 2015-12-04T05:00:00Z And Escherichia coli with only the synthetic ribosomes lived nearly as well as wild peers. New Cook Arrives in Life's Kitchen 2015-11-06T05:00:00Z But compared to the bacteria Escherichia coli, Watson is a moron. Bill Gates and Elon Musk are wrong: Artificial intelligence is not going to take over the world 2015-10-15T04:00:00Z In 2011, researchers collected 150 fecal samples from 18 wildlife species and 200 samples from humans in northern Botswana and tested them for antibiotic-resistant strains of the common intestinal bacteria Escherichia coli. African wildlife harbors resistance to first-line antibiotics 2015-08-26T04:00:00Z Poor sanitation or inadequate treatment facilities are primarily to blame, with inadequate hygiene practices also leading to the growth of harmful organisms in water supplies, such as Escherichia coli. "Drinkable book" turns dirty water clean for a thirsty world 2015-08-18T04:00:00Z Surgery reduced the abundance of some microbes and boosted the abundance of others, such as the group that includes the best-known intestinal bacterium, Escherichia coli. Extreme weight loss surgery works, but is it thanks to the knife—or the microbes? 2015-08-04T04:00:00Z The team screened its tethered ribosomes in Escherichia coli cells that lacked functioning RNA, and eventually found engineered ribosomes that worked well enough to support some growth, albeit slow. Hacked molecular machine could pump out custom proteins 2015-07-28T04:00:00Z Here’s an example that helps to illuminate the stark contrast in intelligence between a lowly single-celled organism like Escherichia coli and AI. Bill Gates and Elon Musk are wrong: Artificial intelligence is not going to take over the world 2015-10-15T04:00:00Z They started with a harmless strain of bacteria called Escherichia coli Nissle 1917, which is commonly added to yogurt and other foods as a probiotic to promote digestive health. Engineered bacteria detect cancer and diabetes in urine 2015-05-28T04:00:00Z Over the past decade, several research teams have tried to coax microbes, including the baker’s yeast Saccharomyces cerevisiae and the lab-workhorse bacterium Escherichia coli, into making plant-derived drugs. Engineered yeast paves way for home-brew heroin 2015-05-17T04:00:00Z In 2011, researchers in Japan reported that they got the complete first half of the pathway to work in Escherichia coli bacteria, transforming tyrosine to S-reticuline. Researchers closer to engineering yeast that can ferment morphine 2015-05-18T04:00:00Z The agency plans to add other foodborne illnesses, including salmonella and the most common disease-causing strain of Escherichia coli, to the project within 3 years. Sequencing finds listeria in unlikely places 2015-05-05T04:00:00Z Next, the team infected macrophages with the common pathogens Escherichia coli or Leishmania major. Does high-salt diet combat infections? 2015-03-03T05:00:00Z Scientists in California engineered Escherichia coli bacteria to include two chemical nucleotides in their genome in addition to the four that all other life forms use. 365 days: 2014 in science They looked at a subset of drug resistant pathogens and the public health issues surrounding them for Klebsiella pneumonia, Escherichia coli, Staphylococcus aureus, HIV, tuberculosis and malaria. Antibiotic Resistance Will Kill 300 Million People By 2050 2014-12-16T05:00:00Z Escherichia coli, a common bug found in the guts of warm-blooded animals, including humans, is popular among genetic engineers because it is cheap to grow and its genome is well understood and simple to manipulate. Biofuels: E Coli Modified To Make Engine-Ready Propane 2014-09-05T04:00:00Z Then, a year later, dozens of people in Germany were killed and hundreds more hospitalized in Europe’s worst recorded outbreak of Escherichia coli poisoning. Diplomatic service 2014-08-26T04:00:00Z On 19 May 2011, three children at a city hospital were battling haemolytic uraemic syndrome, a life-threatening condition caused by a severe gastrointestinal infection with the bacterium Escherichia coli. Scientific advice: Crisis counsellors 2014-08-26T04:00:00Z After dipping a gloved hand into a dense culture of Escherichia coli, a bacterium commonly found in human intestines, an experimenter shook hands, bumped fists or high-fived with a person wearing a sterile glove. The Upside of a Wimpy Handshake 2014-07-30T04:00:00Z Last month Tabor received a three-year grant from the Office of Naval Research to genetically modify a strain of Escherichia coli bacteria that lives naturally in the human gut. Bioengineer is working to make E. coli fight obesity, depression 2014-05-24T04:00:00Z Across the board, the work found that the single most prevalent microbe in the placentas was Escherichia coli—a bacterium strongly associated with sepsis in premature infants. How Bacteria in Placenta Could Help Shape Human Health 2014-05-21T04:00:00Z This analysis revealed low levels of a diverse set of bacteria, mostly nondisease causing strains of Escherichia coli, which dominate our intestinal tracts, but also others from five broad groups, or phyla. Placenta Harbors Bacteria, May Impact Fetal Health 2014-05-21T04:00:00Z The team engineered the bacterium Escherichia coli to express a gene from a diatom — a single-celled alga — encoding a protein that allowed the molecules to pass through the bacterium's membrane. First life with 'alien' DNA 2014-05-06T04:00:00Z The team engineered the bacterium Escherichia coli to express a gene from a diatom — a single-celled alga — encoding a protein that allowed the molecules to pass through the bacterium's membrane. First Life with "Alien" DNA Created in Lab 2014-05-07T19:02:00Z It involves exposure to a bacterial toxin, made by Escherichia coli, to induce temporary fever, headache and shivering. Inflammation Reduced with Behavioral Training 2014-05-06T13:35:00Z Under a microscope, the rod-shaped cells of the bacteria Escherichia coli look the same as ever. Drug discovery: Leaving no stone unturned 2014-04-30T17:21:16.151Z Compare TB with a basic science workhorse, Escherichia coli. A Networked Approach to Fighting the TB Pandemic 2014-03-24T11:30:28Z We examined how two Escherichia coli lineages diverged from their common ancestor at the outset of a long-term coexistence. [Report] Epistasis and Allele Specificity in the Emergence of a Stable Polymorphism in Escherichia coli 2014-03-20T18:26:48.911Z The starting point for this new piece of biotechnology is a common gut bacterium called Escherichia coli. Synthetic biology: Set a thief… 2013-10-10T15:00:39Z This family of germs, which includes Escherichia coli, is particularly difficult to treat because of its high levels of resistance to antibiotics. CDC to Issue Guidance on Controlling Superbugs 2013-09-16T13:17:57.353Z These provoked immediate alarm: they were even more resistant to carbapenems than the KPC-carrying Klebsiella bacteria, and included other Enterobacteriaceae such as Escherichia coli. Antibiotic resistance: The last resort 2013-07-24T17:20:25.367Z The gut microbe Escherichia coli, for example, has just 4,100 genes. Matter: How Simple Can Life Get? It’s Complicated 2013-07-04T12:00:01Z Hedhammar and her colleagues synthesized the proteins by shortening the sequence of genes found in the spiders and inserting it into the bacterium Escherichia coli, which then produced large quantities of the proteins. Patent Watch: Man-Made Spider Silk 2013-06-01T15:15:01.643Z When incubated overnight with the bacterium Escherichia coli, about half the cells in each culture died; the mucus made no difference to their survival. Friendly Viruses Protect Us Against Bacteria 2013-05-20T20:35:00Z Escherichia coli and Shigella bacteria were the third and fourth. About 40 percent of the diarrhea in young children is caused by four bugs, study finds 2013-05-14T00:00:26Z The researchers chose two antibiotics known to cooperate well in their first 24 hours, doxycycline and erythromycin, which are commonly given separately for infections such as Escherichia coli. Combining Antibiotics May Backfire 2013-04-23T22:00:00Z Christopher Schoene, now at the University of Oxford, UK, and his team engineered Escherichia coli so that the bacterium would migrate into plant roots and produce the growth hormone auxin. Synthetic biologists and conservationists open talks 2013-04-17T17:20:28.297Z The DNA sequences — which allow precise control of gene activity in the bacterium Escherichia coli — are the first output of BIOFAB, based in Emeryville, California, which calls itself “the world’s first biological design-build facility”. DNA tool kit goes live online 2013-03-13T18:20:24.077Z Although mutations, the driver of evolution, occur at random, a study of the bacterium Escherichia coli reveals that nature often finds the same solution to the same problem again and again. Predictable Evolution Trumps Randomness of Mutations 2013-02-20T16:15:00.247Z Good agreement was demonstrated in three realms: Escherichia coli gene expression, insect castes, and cross-species morphology. [Technical Response] Response to Comment on "Evolutionary Trade-Offs, Pareto Optimality, and the Geometry of Phenotype Space" 2013-02-14T19:25:23.927Z The bacteria included common species such as Bacillus subtilis and Escherichia coli, but “our winner in this set of experiments,” as Schuerger put it, was Serratia liquefaciens, a widespread generalist microbe. Can Hitchhiking Earth Microbes Thrive on Mars? 2013-02-07T22:15:07.347Z Earlier this year one brand recalled its raw cacao nibs after internal testing showed that they were contaminated with Escherichia coli. Confections sans Infections: How Candy Manufacturers Keep Chocolate from Killing You 2012-12-19T12:15:05.500Z The team developed an automated system to introduce the base gradually to a strain of Escherichia coli that couldn't make thymine on its own. Chemical biology: DNA's new alphabet 2012-11-21T18:21:07.117Z Colonization of germ-free mice with Escherichia coli is sufficient to augment macrophage infiltration of adipose tissue and polarize macrophages towards the expression of pro-inflammatory cytokines. Functional interactions between the gut microbiota and host metabolism 2012-09-13T11:21:18.130Z He produces the proteins by inserting human genes into Escherichia coli bacteria. Technology: The taste of things to come 2012-06-25T13:21:13.797Z Using genetic engineering, the team managed to persuade a different bacterium—Escherichia coli, a ubiquitous critter that is a workhorse of biotechnology—to manufacture this protein in bulk. Nanotechnology: A fab result 2012-05-24T15:10:30Z Andrew’s study found that magnetic field strength did appear to inhibit growth of his test colonies of Escherichia coli. Meet the Science in Action Finalists 2012-05-21T17:45:00.227Z However, if we expressed these host sugars on something else, a harmless strain of Escherichia coli for example, we would create more sites for the attachment of pathogens and their weapons. Bioengineering the bugs 2012-04-20T15:45:00.227Z In this case, researchers used a version of the bacterium Escherichia coli engineered to produce diesel fuel. How to Increase Fuel Yields from Microbes 2012-04-10T16:45:00.257Z Mutations causing structural changes in proteins are the most abundant variants recovered in laboratory Escherichia coli and yeast evolution experiments. The genomic basis of adaptive evolution in threespine sticklebacks 2012-04-04T17:21:30.320Z Church used the method to find versions of the bacteria Escherichia coli that produce higher than normal levels of a chemical called lycopene. Synthetic Biology: Bits and pieces come to life 2012-02-29T18:21:16.530Z Their new study concerns two bacteriophages known as P2 and Φ92, viruses that target bacteria such as Salmonella and Escherichia coli. Bacteria-Killing Viruses Wield an Iron Spike 2012-02-24T20:55:00Z In another recent study, researchers from Purdue University in West Lafayette, Indiana, found that beef products from conventionally raised and grass-fed animals were equally likely to be contaminated by antibiotic-resistant Escherichia coli. Organic Meat Not Free of Drug-Resistant Bacteria 2012-01-30T22:32:25Z It is harmless to humans, infecting only the gut bacterium Escherichia coli. In Real Time, a Virus Learns a New Way to Infect 2012-01-26T19:12:16Z Members of the genus Shigella and several virulent strains of Escherichia coli release the shiga toxin when they invade the body. Metal Puts a Crimp in Deadly Bacterial Toxin 2012-01-19T21:00:27Z Starting with a model organismThe team studied the bacterium Escherichia coli as a model organism, comparing how 28 RNA sequences behaved in their model and in the microbe. Can Bacteria Produce "Drop In" Biofuels? 2012-01-17T18:15:00.170Z Another bacterium, a particular form of Escherichia coli called adherent invasive E. coli, is more prevalent in people with Crohn's disease, raising the prospect it might be one of the bad guys. Microbiome: That healthy gut feeling 2011-12-21T18:20:57.373Z She will also have a key role in strategic planning for emergencies — such as the Escherichia coli outbreak that swept across Europe this year — and providing updates on scientific advances and novel technologies. Europe appoints science adviser 2011-12-14T18:20:27.793Z Of note is that even the common gut bacterium, Escherichia coli, has more of the genes known to help it survive arsenic exposure than GFAJ-1, Silver said in a phone interview. Genome of Controversial Arsenic Bacterium Sequenced 2011-12-05T22:42:02Z They used Escherichia coli, a bacterium into which it's relatively easy to insert new genes. Fuel From Waste? 2011-12-05T22:03:34Z Nudler’s team found three enzymes that are responsible for triggering the production of this gas in Staphylococcus aureus, Escherichia coli and other bacteria. New Clues for Improving Antibiotics for Tolerant Bacteria 2011-11-18T16:45:00.267Z One month after birth, the researchers tested fecal samples from infants, looking to see whether their intestines were hosting a few specific species of bacteria, such as Escherichia coli and Clostridium difficile. Allergies linked to baby's birthplace, gut bugs 2011-09-30T16:20:04Z The new scheme replaces the fuse with seven colonies of Escherichia coli bacteria, each given a gene for a different fluorescent protein. A Different Kind of Secret Code 2011-09-26T20:42:21Z He says that this demonstrates the value of continued work on such pathogens as well as model microbes such as the bacterium Escherichia coli. Biodefence: The price of protection 2011-09-07T17:20:26.127Z The PGM was also the first platform to unravel the genome of the Escherichia coli strain that began wreaking havoc in Germany in May, delivering a sequence in just three days. Semiconductor Technology Cuts Genome Sequencing Cost 2011-07-20T21:45:07.840Z Researchers have now found that Escherichia coli drop this voltage difference for a brief moment and depolarize, much as neurons do when they fire. Bacteria Flash Like Christmas Lights 2011-07-14T20:45:40Z They tested their treated materials with Staphylococcus aureus and Escherichia coli, the gram-positive and gram-negative bacteria that are always giving humans a bad day. New Antibacterial Clothing: Secret Ingredient Revealed 2011-07-09T13:33:59Z She plucked a combination of genes from different organisms and expressed them in Escherichia coli. Fuel options: The ideal biofuel 2011-06-22T21:50:40.910Z The source of a deadly outbreak of Escherichia coli bacteria in Germany remains elusive as German officials today announced that the first tests of samples from a sprouts farm implicated in the outbreak were negative. Sprouts So Far Innocent of E. Coli Outbreak; Bacterium Strikes Brain Oddly 2011-06-06T22:46:26Z HAMBURG—German agricultural authorities on Sunday evening said bean sprouts might have caused the Escherichia coli bacterial outbreak. Germany Names New E. Coli Suspect: Bean Sprouts 2011-06-05T19:16:19Z FRANKFURT—Europe's severe outbreak of Escherichia coli bacterial infections worsened further on Friday as more people contracted the lethal strain in Germany and around Europe. E.Coli Crisis Intensifies 2011-06-03T16:14:46Z Most Escherichia coli, or E. coli, bacteria are harmless. Deadly E. coli mixes common toxin with rare "glue" 2011-06-03T05:55:01Z There are hundreds of kinds of E. coli, or Escherichia coli. E. coli common bacteria; only some cause illness 2011-06-01T22:22:09Z E. coli outbreak Germany is experiencing one of the world's largest ever outbreaks of enterohaemorrhagic Escherichia coli. Seven days: 2 June 2011 2011-06-01T17:20:18.400Z Strains of Escherichia coli have been developed to produce lycopene, an antioxidant found in tomatoes. Synthetic genomes: The next step for the synthetic genome 2011-05-18T17:21:09.763Z His team recently documented multidrug-resistant Escherichia coli in the feces of birds that migrate to the Arctic. Dumped drugs lead to resistant microbes 2011-02-17T03:15:05.437Z In Escherichia coli, Min proteins help the cell to select the appropriate site for cell division so that each daughter cell contains its own complement of DNA. Editors' Choice 2011-02-03T19:25:02.600Z Some, such as MS2, a virus that attacks bacteria like Escherichia coli, have as few as four genes. A Gazillion Tiny Avatars 2009-12-16T16:25:00Z The gene was also found in Escherichia coli in the patient's body. A VERY SCARY GENE 2010-10-12T04:00:00Z “Expression in Escherichia coli of chemically synthesized genes for human insulin.” Baby Steps to New Life-Forms 2010-05-28T01:23:00Z The researchers examined Escherichia coli bacteria, which are responsible for the vast bulk of human urinary tract infections. Urine infections 'turn resistant' 2010-05-17T23:08:00Z |
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