UF scientists have bionanotechnology recipe to find elusive bacteria
...es that can speedily root out even one isolated E. coli bacterium lurking in ground beef or provide a cruc... the bioconjugated nanoparticles found a single E. coli bacterium in a sample of ground beef in less than 20 minutes, from start to finish. A quicker analy...Laboratory test of evolutionary theory confirms importance of links between populations
...he theory. The basic coevolutionary dynamics of E. coli bacteria and bacteriophage T7 are well known. When T7 is introduced to a population of E. coli, the bacteria soon evolve resistance to the virus. The virus, in turn, evolves to attack the resistant bacteria, and then the bacteria are able to evolve a...Bug's-eye-view of urinary tract reveals E.coli infection genes
...gene expression levels for the CFT073 strain of E. coli as the bacteria grew in three different environmen...tions in the same way. To identify the specific E. coli genes that were "turned on" during infection, the scientists first had to collect messenger molecule...Reed biology professor receives $227,500 for E. coli research
...and, Oregon, for his continuing research on the E. coli strain known as Enteropathogenic Escheriachia coli (EPEC), responsible for an estimated 1 million infant diarrheal deaths in the developing world ea...Antibiotic-resistant bacteria increased after clindamycin use for common vaginal infection
...equent increases in bacterial concentrations of E. coli than those who were treated with metronidazole. In addition, women treated with metronidazole showed more significant decreases in concentrations of other bacteria such as P. bivia, pigmented Prevotella spp and U. urealyticum compared to clindamycin ...Identifying the path to infection
...n involved in the process by which the Escherichia coli (E. coli) bacteria infects a human. This protein s... is a first step to better understanding how an E. coli infection begins, which may lead to information on how to block it. "E. coli is responsible for urin...Tips from the Journals of the American Society for Microbiology
...pplied and Environmental Microbiology. Escherichia coli O157:H7 is one of the leading causes of foodborne ...udy fermented dry sausages were inoculated with E. coli O157:H7 and exposed to synthetic saliva for 1 minute, synthetic gastric juice for 120 minutes, and s...UCSB researchers advance understanding of urinary tract infections
... they can be difficult to fight. The bacterium E. coli is responsible for about 80 percent of human urina...ra have made important strides in understanding E. coli at the molecular level in an effort to discover the mechanisms by which E. coli cause urinary tract ...Differences in gene usage dramatically change bacteria's 'lifestyles'
...use identical genes differently. Salmonella and E. coli share the gene for an antibiotic resistance regula...n the new study, Groisman's lab discovered that E. coli has a different version of PmrD that is unable to turn on the PmrA protein in response to low magnes...Improved molecular switch could serve as sensor, medical tool
...ose binding protein found in a harmless form of E. coli bacteria. Each of these proteins has a distinct ac...in binds to a type of sugar called maltose that E. coli cells can use as food. In the previous experiments, the researchers used a cut-and-paste process ...UT Southwestern initiating trials in humans for ricin vaccine
...effective as vaccines in mice. Dr. Vitetta said E. coli bacteria are used to produce the A chain protein, making vaccine production inexpensive and safe. The DNA sequence was identified by Dr. Vitetta's group several years ago in its ongoing efforts to produce safer immunotoxins containing the A chain of ...Study urges caution in contaminant source tracking
...t relies on for drinking or recreation contains E. coli (Escherichia coli), a bacterium found in the feces... -- quickly. But several testing methods using E. coli to identify the sources of fecal contamination were less accurate in field application than previous...Tips from the Journals of the American Society for Microbiology
... farms may contribute to the spread of Escherichia coli O157:H7 among animals, their food supply and poten...,000 cases annually in the United States alone. E. coli O157:H7 can be life-threatening to children, the elderly and immuno-compromised patients. The intes...Essential oils could help to stamp out MRSA
...ealed that three essential oils killed MRSA and E. coli as well as many other bacteria and fungi within ju...a and fungi. Two of these oils killed MRSA and E. coli almost instantly, while a third was shown to act over a longer period of time, meaning that any soap...'Jumping gene' helps explain immune system's abilities
...iscovered in experiments in test tubes and with E. coli bacteria. Although this loop distances Hermes from its well-studied cousins, the Hermes protein still has an important family trait, the researchers report. Colleagues at the National Institutes of Health found that a few key building blocks in the p...Genome comparison of four campylobacter strains yields new genetic markers and clues to virulence
...complete DNA sequences of a multidrug-resistant C. coli strain isolated from a chicken; a C. lari strain (...problems. But the illness can also be caused by C. coli (also found in cattle, swine and birds), C. upsaliensis (found in cats and dogs), and C. lari (prese...Backcountry water quality tests are good news for campers
...ckcountry drinking water. In the Sierra Nevada, E. coli and other pathogenic bacteria may pose a greater risk than Giardia for causing waterborne illnesses in people. "What's impressive is that more than half of our water sampling sites had no water quality problems whatsoever," said Derlet, a profess...Topic of ASBMB-Avanti Award Lecture will be lipid-protein interactions
...ranes. Dr. Dowhan has made strains of Escherichia coli and Saccharomyces cerevisia in which the membrane phospholipid content can be regulated in a systematic manner. His lecture will focus on how he is using these strains as biological reagents to determine the involvement of lipids in cellular funct...A bug's life: aging and death in E. coli
...ng repeated cycles of reproduction in Escherichia coli , a bacteria that reproduces without a juvenile ph... other organisms, have not escaped mortality. E. coli reproduces by dividing in the middle. Each resultant cell inherits an old end or pole and a new pol...Key mechanism in genetic inheritance during cell division identified
... complex, obtained from genetically engineered E. coli bacteria, and compared its effects on microtubules in vitro to the effects caused by certain Dam1 mutants. Their analysis shed new light on the structural nature of the kinetochore-microtubule interface, and may provide a biochemical explanation fo...