Bacterial Toxin Surprises Scientists
...re that harpoons the inner membrane of its bacterial victim. The resulting hole, or channel, allows the entrance of foreign particles, the escape of intracellular components, and, perhaps most devastating, loss of the vital electrical potential stored in the membrane. Th...Enzyme's "Magic" May Hold Key to Anticancer and Antimicrobial Drugs
... chemotherapy. Antibiotics that target the bacterial form of topoisomerase II have been used since 1977. Now, by exploiting their developing knowledge of the differences between the human forms of topoisomerase and microbial forms, researchers are beginning to design ant...New 'Twist' In Proteins Offers Possible Route To Improved Antibiotics
...bacteria like E. coli. Thus, LpxA is "essentialfor bacterial growth as well as the maintenance of the permeabil...y of this commonstructure in an enzyme critical to bacterial growth certainly offers considerablepromise."...Water Recycling Project Tested in Turkey Plant
... processors adjust the amount of ozone to maximize bacterial destruction,Baldwin said. AWPI personnel and UA Food Safety Consortium researchers Amy Waldroup andRichard Forsythe conducted tests of the system to determine what level ofozone usage would be most efficient. The ozone generator used in the unitcrea...Virginia Tech Researchers Receive Patent For Rapid Virus Detection Technology
...ruses are usually live longer in water samplesthan bacterial cells, thus presence of virus can indicate previou...ving cells have died,"says Falkinham. Further, the bacterial viruses act more like otherviruses, such as the ones that cause human diarrheal infections,than do c...Nitric Oxide May Hold Key To First Treatment For Deadly Form Of Malaria, Duke Scientists Report
... factor, a protein thatfinds specific genes on the bacterial genome and activates them. The genes,in turn, are ...oo much oxygenor NO is present. In fact, bacterial cells attempt to control both excess oxygen and excessnitrogen with the same OxyR transcription fact...Nitric Oxide Found To Control Cells By Turning On Genes; Suggests New Role In Health And Disease
... factor, a protein thatfinds specific genes on the bacterial genome and activates them. The genes,in turn, are ...oo much oxygenor NO is present. In fact, bacterial cells attempt to control both excess oxygen and excessnitrogen with the same OxyR transcription fact...Discovery Of Cell Sites May Shed Light On How Bodily Systems Interact
...clines in growth-hormoneproduction in animals with bacterial infections. The findings included two surprises and may help scientists understand howthe immune system harnesses other physiological systems to regulate animalgrowth and disease. First, the receptors were found on cells in the pituitarygland, and, ...Bacterial Protein Structure Hints At Mechanism Of A Class Of Premature Aging Diseases
DURHAM, N.C -- Using a bacterial model system, scientists at Duke UniversityMedical Center have determined the first step in understanding how a newclass of genetic flaws may translate into diseases. Deepak Bastia and Steven White, professors of microbiology at Duke,have deter...New Sensor Provides First Instant Test For Toxic E. coli Organism
...chain reaction technology to multiply theamount of bacterial DNA present in a sample to detectable levels. Several hours must pass, however, before results can be obtained. The instant analysis provided by Berkeley Lab's new sensors has obviousadvantages as a public health tool. Dangerous pathogens can...Disease Resistance Mechanism Identified in Plants
...wn that a plant's ability to fend off an attacking bacterial or viral disease is somehow linked to the compleme... The researchers tested this conjecture using bacterial speck disease, caused by a bacterium known as Pseudomonas syringae pv. tomato (Pst). It is well ...Mechanism For Disease Resistance Identified In Plants
...wn that a plant's ability to fend off an attacking bacterial or viral disease is somehow linked to the compleme... The researchers tested this conjecture using bacterial speck disease, caused by a bacterium known as Pseudomonas syringae pv. tomato (Pst). It is well ...Researchers Find How Disease-resistant Plants Recognize Bacteria
...Martin's laboratory with the bacterium that causes bacterial speck disease in tomato confirmed that this is the mechanism for bacterial infections in plants. Martin and his colleagues found that after the bacterium infects the plant cel...Proteins Interacting With RNA And DNA Are Surprisingly Similar
...aking itpossible for a certain antibiotic to fight bacterial infection,is remarkablysimilar to a class of prote...entingthe productionof protein and controlling the bacterial infection. But, although a nearly identical protein also is attached to theribosomes ofhigher forms ...Ten Years of Progress For Superfund Basic Research Program
... to the DNA which can affect generegulation." Both bacterial strains were originally isolated from Superfundsites, specifically polluted soils located at coal gasificationplants in Illinois. However, Kinkle says a great deal of work isneeded to find the best way to use these microbes in the fieldwhere they wil...Project Shows Native Bacteria Can Destroy Widespread Pollutant In Groundwater
...s well. Then, when the operation is shut down, the bacterial populations will quickly return to normal. Accordi...ale test. There was concern, for example, that the bacterial growth might become thick enough around the injection wells that they would clog up the pores in the...Bacterium gobbles up chlorinated pollutants
... tiny pollution-eater has a limb of its own on the bacterial family tree. Equipped with an unusual cell wall structure that makes it completely resistant to most common antibiotics, Strain 195 may be a unique match for some of the most irreducible compounds that modern chemistry has devised. "It's as if this ...Better Peroxidase Improves Disease Diagnosis
... kits designed to help diagnose a myriad of viral, bacterial and parasitic diseases, including AIDS and malaria. Standard kits lose effectiveness in about four months without refrigeration, according to industry sources. Vierling's preliminary research suggests that kits made with soybean peroxidase should las...Common Childhood Virus Poses Threat To Adults, Research Shows
... viral pneumonia, they sometimes misdiagnose it as bacterial pneumonia,which requires different treatment. “Antibiotics for bacterial pneumonia don’t work against RSV,so if we think somebody has pneumonia and they really have RSV...E. Coli Genome Reported: Milestone Of Modern Biology Emerges From Wisconsin Lab
...for several human diseases. Although not the first bacterial genome to be completed, E. coli is by far the most...d in the discovery of spontaneous gene transfer or bacterial sex. As a result, the strain, known as K-12, was universally adopted for fundamental work in biochem...