Tag: "coli" at biology news
Bacterial Toxin Surprises Scientists
...Ia, a toxin produced by some strains of E. coli
bacteria to kill competing bacteria. From their previous work, the scientists knew that a portion of colicin Ia changes from a harmless cluster of about 175 amino acids into a lethal structure that harpoons the inner m...
DNA Techniques Allow Scientists To Become Pollution Detectives.
...er at who is polluting water bodies byisolating E. coli
bacteria in water samples and testing it forresistance to antibiotics and by testing its DNA. "E. coli
is present in the digestive tracts of all warm-bloodedanimals," said Mark Tamplin, a professor of ho...
Virginia Tech Researchers Receive Patent For Rapid Virus Detection Technology
...sently, the presence of the bacterium, Escherichia coli
( E. coli
), is used throughout theworld as an indicator of human fecal contamination of water. Ifviruses able...
New Sensor Provides First Instant Test For Toxic E. coli Organism
...time, can instantlydetect the presence of toxic E. coli
bacteria. Contamination by this bacteriais respon...umans in 1982, 0157:H7 isthe virulent strain of E. coli
responsible for these outbreaks. Says Stevens, "These sensors have been designed so that the...
Biosensor Is A Model For Widespread Testing Of Chemicals, Molecules
...rter." The group "borrowed" a protein from E coli
bacterium thatsenses the presence of maltose, a disaccharide sugar molecule that thismicrobe sometimes feeds on. Using advance computer systems, they studied the protein to see howits shape changes when maltose becomes attached to it. The resea...
First Salmonella Vaccine For Poultry To Be On The Market Soon
...her profit-robbing disease in poultry, Escherichia coli
(E. coli). This vaccine has been designed and con...he virulent strains are called avian pathogenic E. coli
(APEC). They hurt producers in production units, where the sick birds spread the disease and die, a...
Yale Breakthrough In Destroying Drug-Resistant Bacteria Focuses On Thwarting Genes That Cause Resistance
...sitivity To restore the sensitivity of E. coli
bacteria to either chloramphenicolorampicillin, the Yale biologists crafted synthetic genes coding for strings ofRNA and introduced them into the bacteria via small circular pieces of DNAcalled plasmids. (Plasmids sometimes carry genes that cause ba...
Experts: Public Will Accept Irradiation In Wake Of Meat Recall
... and even death in those who consume it. A 1993 E. coli
outbreak in the Pacific Northwest, in which hundreds of people were sickened and half a dozen children died, still lingers in people's memories. Food-borne illnesses are never far from the headlines, making Americans question the safety of their foo...
E. Coli Genome Reported: Milestone Of Modern Biology Emerges From Wisconsin Lab
...cientists headed by Frederick R. Blattner of theE. coli
Genome Project in the Laboratory of Genetics at th... determined the complete genome sequence of the E. coli
bacterium, it was reported today (Sept. 5) in the journal Science. A genome is the sum total ...
Report Notes Difficulties In Eliminating E. Coli O157:H7 From Food Supply
...iO157:H7 and Other Enterohemorrhagic E. coli." "E. coli
O157:H7 is more significant than other well-recogn...e, Ph.D., the document's authors. Less than ten E. coli
O157:H7 cells may cause foodborne illness in people. Infectious doses associated with this pathogen ...
Competitive Inhibition May Enhance Safety Of Minimally Processed Fruits And Vegetables
... ofCampylobacter jejuni, in cattle to eliminate E. coli
O157:H7 prior toslaughtering, and in refrigerated meat products to guard against spoilage. For a copy of the article or Sept. 1997 issue of Food Technology, contact AngelaDansby at (312) 782-8424 X134....
USC Holds 2nd Annual Medical Genetics Symposium; Nations Leading Geneticists Discuss The Future Of Genomic Research
...re appropriate." Based on what's happened with E. coli
and yeast, two of the first goals will befiguring ...NJ, whowill speak about how having the complete E. coli
genome in hand has led toinnovation in drug development. Yale University biologist Michael Snyder ...
IFT Report Describes Challenges Of Food Industry Stepping Up To The P(a)lates Of Consumers
...ow know thatseveral pathogens, such as Escherichia coli
O157:H7, Listeria species, andcertain strains of Clostridium botulinum, can grow at refrigerationtemperatures, which means that manufacturers must stringently apply controlmeasures to refrigerated foods with extended shelf life. According to ...
DT104 Advice:How To Slow Salmonella Spread
...cientists conducted a 1995-96 study of possible E. coli
O157:H7 contamination in slaughtered cattle. In the meantime, the Cornell diagnosticians are asking farm operators and theirveterinarians to be aware that S almonella Typhimurium DT104 could appearin their herds. "This disease can occur almost any...
Washington University Licenses Its New Antibacterial Technology
...st of Hultgren's work has focused on strains of E. coli
that infectthe kidney and bladder. But the same pr...peutics and strategies," Hultgren says. E. coli
is covered with hair-like structures called pili. The tips ofthe pili carry proteins that fit into r...
Study Is First Ever To Document Protein Therapy Induces Creation Of New Blood Vessels To The Human Heart
... FGF-I was obtained from strains of Escherichia coli
by geneticengineering, then isolated and highly purified the recombinant FGF-I protein. After several series of animal experiments demonstrated the potency of FGF-I, itwas used in humans for the first time. When scientists create recom...
Hultgren Receives Prestigious Eli Lilly Award
...set of disease. As amodel system, he works with E. coli
strains that infect the urinary tract. "Ourstrateg...obes." Like many other bacteria, E. coli
attaches to host tissue with stickyhairs. The hairs, or pili, are sticky because their feathery tips...
Crystal Structure Of The Archaeal Chaperonin Thermosome, A Protein-Folding Machine, Determined
...EL which occurs in the eubacterium Escherichia coli
. Group II chaperonins are comprised of the arc...tein, the cochaperonins 10, termed GroES in E. coli
. These helper molecules are not present in the group II system. Whereas detailed structural s...
Microchip Sensor Detects Bacteria
...bodies. In this case the Cornell team targeted E. coli
O157:H7, a deadly pathogen that has been linked t... for bacteria to cling to. To detect E. coli
on the sensor, the silicon chip was illuminated with a laser, and the laser light was diffracted a...
Scientists Seek Early Warning Of Drinking Water Threats
...aks in the UnitedStates. The bacterium Escherichia coli
0157:H7, has caused at least twowaterborne outbreaks that affected more than 300 people. In North and SouthAmerica, the parasite Cyclospora has caused serious health problems for peoplerelying on untreated drinking water. Battigelli noted that medica...
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