Tag: "antibiotics" at biology news

New 'Twist' In Proteins Offers Possible Route To Improved Antibiotics

...e scientists said. Bacterial resistance to antibiotics has become an important health problemand one that...e may offera unique target for a new generation of antibiotics designed to home inon the structure. The left-handed structure also offers a new "twist"to biochemis...

DNA Techniques Allow Scientists To Become Pollution Detectives.

...a 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 home economics atUF/IFAS. "By testing the E. coli (present in fecal matter) forantibiotic resistance and looking at the...

Duke researchers find existing drugs can stop fungus that attacks AIDS patients

...nts," Perfect said. "Ironically, our successeswith antibiotics have helped foster this increase. Patients are survivingbacterial infections only to then develop fungal infections. Our findingmay be another step in developing an effective line of defense against thesepotentially deadly pathogens." Once an i...

Purdue-Made Soil Benefits The Environment

...ntoxic byproduct left over from the manufacture of antibiotics at two Eli Lilly and Co. plants -- Tippecanoe and Clinton Laboratories. The yard waste, containing "friendly" bacteria that break down the organic material, is supplied by a local composting operation. The main uses for the soil are for reclamation o...

Yale Breakthrough In Destroying Drug-Resistant Bacteria Focuses On Thwarting Genes That Cause Resistance

...nes that make bacteria resistant to two widelyused antibiotics -- chloramphenicol and ampicillin -- thus restoring thebacteria's sensitivity to the antibiotics in laboratory cultures. If successfulin animal and human studies, the general method could help ave...

Scientists Unlock Mystery Behind Proteins That Keep Tuberculosis Bacteria Alive; Finding Leads To Research Into New Drug Treatments

...cult is thefact that many TB sufferers stop taking antibiotics before the bacteria iseliminated. "This is a breakthrough because it offers a novel drug target fortuberculosis," Belisle said. "Based on this finding, we can create new drugsthat inhibit the enzymatic reactions responsible for keeping the ce...

Discovery Of Genetic Pathways May Provide New Ways To Combat Candida Infections

...n a challenge. For one, developing broad spectrum antibiotics against fungi has been difficult. Fungi are more ...man cells. The drug fluconazole is one of the few antibiotics that works without severe side effects, but increasingly, physicians are encountering fungal strains...

Chemists Develop High-Throughput Method To Synthesize And Screen Novel Antibiotics

...s, such aspenicillin and amoxicillin. All of these antibiotics fall intothe category known as beta lactams. Chemi...d not finishall the medication. The most promising antibiotics have been tested in the labagainst both Gram-negative and Gram-positive bacteria, againstresistant a...

Peptic Ulcer Treatment Improves Health, Saves Money

... a two-week regimen---usually a combination of two antibiotics and a medication that decreases acid levels in the stomach. Studies have shown that ulcer recurrence is extremely rare after successful H. Pylori eradication. The long-term impact of H. pylori is still being studied, but it has been classified by t...

Hurdle In Ulcer Vaccine Development Cleared

...eveloping countries, reinfection after curing with antibiotics iscommonplace. So an effective, cheap vaccine that boosted immunity after everyexposure would be incredibly important." Berg is the Alumni Professor inMolecular Microbiology and a professor of genetics at Washington UniversitySchool of Medicine in St...

Detective Work Uncovers New Tick-Borne Disease In North Carolina And The Southeast

...ions can be cured if a patient is given acourse of antibiotics early. Then there are spirochetal infections, such as Lyme disease. Spirochetesare corkscrew-shaped bacteria that move by undulating. Once introduced intothe skin, the bacteria can migrate outward and spread in the lymph or throughthe blood to other...

Common Cold Caused By Multiple Viruses

...dings are consistent with our recommendations that antibiotics not be used to treatcommon cold symptoms" says Stu...cases of the common cold are caused by viruses and antibiotics do notwork on viral infections. The unnecessary and inappropriate use of antibiotics to treat coldsy...

Washington University Licenses Its New Antibacterial Technology

...will allow SIGAto develop an entirely new class of antibiotics that are less likely to besidelined by bacterial r...ed drug development company thatproduces vaccines, antibiotics and novel anti-infectives. It also signedagreements with MedImmune and Astra, two biotech companies ...

Hultgren Receives Prestigious Eli Lilly Award

...sease. Theinhibitors therefore may prove useful as antibiotics against bacteria thatalready have a toehold in the urinary tract. Discovering how the chaperone bindsto its cargo and molds it into shape is key to this project. "Our ambition is to determine the structures and functions of all of thecomponen...

Drug-Resistant Infection Once Found Only In Hospitals Now Present In Community

...ections that are already resistant to many typesof antibiotics are now found in non-chronically ill children outs... Chicago and lead author of the study. "First-line antibiotics arestill the best therapy for these infections." The University of Chicago researchers conclude that...

Scientists Discover A Secret Of Bacterial Communication

...alled biofilm are often moreresistant to attack by antibiotics and the immune system than they are asindividual cells. This resistance presents a difficult problem for physicians, but recent researchhas revealed a way in which the biofilm fortress might be attacked. Dr. E.P.Greenberg, University of Iowa professo...

MSU Scientists Eavesdrop On Bacterial

...utcontrolling biofilms not with toxic biocides and antibiotics but by disruptingtheir own natural messaging system. "In general, the idea is that we have discovered that bacterial behaviorcan be modified chemically," said David Davies, the paper's lead author. "Thesechemicals come from the bacteria thems...

Eviction From Scum Home Makes Disease-Causing Microbe Vulnerable

... hundreds of times more resistant todetergents and antibiotics than when they're circulating alone. "Bacteri...ock outthe signal, checking to see how effectively antibiotics fight themutant Pseudomonas, and hoping to find genes that control theformation of biofilms formed b...

Scientists At The Scripps Research Institute And R.W. Johnson Pharmaceuticals Develop New Antibacterial Agents

...ablish aninfection in the host. With resistance to antibiotics an increasing publichealth threat, particularly in...emy ofSciences, USA. Due to the overuse of antibiotics and the failure of some patients totake a proper dosage of medication, resistance to antibiotics is ...

Ulcer-Causing Bacteria Also May Be Associated With Heart Disease

...ted that h. pylori -- which can be controlled with antibiotics --did not exacerbate the severity of heart disease. The researchers studied 88 patients who had ischemic heartdisease, which causes heart attacks and is the result of poor blood flow to theheart. The control group consisted of 88 patie...

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