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Predicting antibiotic resistance

A study published in Nature Communications reveals that mutations can converge on similar physical changes in bacteria, leading to resistance to multiple antibiotics. The researchers found a common set of features responsible for the development of resistance, which could help combat this growing problem.

SourceRIKEN·JournalNature Communications·DateDec 17, 2014

Drug developed at Pitt proves effective against antibiotic-resistant 'superbugs'

A treatment pioneered at the University of Pittsburgh Center for Vaccine Research is far more effective than traditional antibiotics in inhibiting the growth of drug-resistant bacteria. The new drug, called engineered cationic antimicrobial peptides (eCAPs), inhibited growth in about 90% of test bacterial strains.

SourceUniversity of Pittsburgh Schools of the Health Sciences·JournalAntimicrobial Agents and Chemotherapy·DateDec 10, 2014

New method to determine antibiotic resistance fast

Researchers have created a new method to quickly identify bacteria causing infections and determine antibiotic resistance, which could lead to timely treatment and reduced antibiotic use. The innovative approach enables rapid identification of bacterial species and resistance patterns in under four hours.

SourceUppsala University·JournalJournal of Clinical Microbiology·DateNov 24, 2014

Taking antibiotics during pregnancy increases risk for child becoming obese

A recent study by Columbia University's Mailman School of Public Health found that children exposed to antibiotics in the second or third trimester of pregnancy had a higher risk of childhood obesity at age 7. Additionally, delivery by Caesarean section was also associated with a higher risk of childhood obesity.

SourceColumbia University's Mailman School of Public Health·JournalInternational Journal of Obesity·DateNov 18, 2014

Antibiotics get a 'time-out'

A McGill University Health Centre study found that adopting structured antibiotic time-outs led to decreased antibiotic costs and a small decline in Clostridium difficile infections. The time-out program, which involved regular re-evaluation of treatment strategies, resulted in improved prescribing practices among physicians.

SourceMcGill University Health Centre·JournalAnnals of Internal Medicine·DateNov 17, 2014

Study shows vaccination leads to decline in pneumococcal disease and antibiotic resistance

A recent study published in the New England Journal of Medicine shows a significant decline in invasive pneumococcal disease cases caused by bacteria resistant to one or more antibiotics. The introduction of pneumococcal conjugate vaccine (PCV) in South Africa has led to substantial reductions in antibiotic-resistant invasive pneumococ...

SourceUniversity of the Witwatersrand·JournalNew England Journal of Medicine·DateNov 11, 2014

New antibiotic in mushroom that grows on horse dung

Researchers at ETH Zurich have discovered a new agent in fungi that kills bacteria, known as copsin, which has the same effect as traditional antibiotics but belongs to a different class of biochemical substances. The substance was found in the common inky cap mushroom Coprinopsis cinerea and is responsible for its antibiotic effect.

SourceETH Zurich·JournalJournal of Biological Chemistry·DateNov 7, 2014

Frontline diagnosis and treatment of infant infections

A systematic review and meta-analysis found that frontline health workers can accurately diagnose bacterial infections in young infants, but access to antibiotics is limited. The study suggests that improving diagnosis and antibiotic access can help reduce neonatal deaths in low- and middle-income countries.

SourcePLOS·JournalPLOS Medicine·DateOct 14, 2014

Making sure antibiotics work as they should

Researchers at ETH Zurich have studied the molecular structure of mitoribosomes, revealing new details about how proteins are synthesized. The findings will help design antibiotics that target only bacterial ribosomes, improving their effectiveness in treating human diseases.

SourceETH Zurich·JournalNature·DateOct 8, 2014

Old drug may be key to new antibiotics

A new class of antibiotics could be developed using the anticonvulsant drug lamotrigine, which inhibits bacterial ribosome assembly. Researchers at McMaster University discovered that lamotrigine stops ribosomes from being created in bacteria, a breakthrough in tackling antibiotic resistance.

Unnecessary antibiotic use responsible for $163 million in potentially avoidable hospital costs

Research finds 70% of potential unnecessary therapies represented by three specific drug combinations used to treat anaerobic infections. This overuse can contribute to antimicrobial resistance and increase healthcare costs. The study highlights the need for hospitals to improve their antimicrobial usage efforts.

SourceSociety for Healthcare Epidemiology of America·JournalInfection Control and Hospital Epidemiology·DateSep 10, 2014

Synthesis produces new antibiotic

Rice University scientists have successfully synthesized a newly discovered natural antibiotic, viridicatumtoxin B, which shows potent activity against Gram-positive bacteria. The simplified synthesis of this compound may pave the way for developing more effective antibiotics against superbugs.

SourceRice University·JournalJournal of the American Chemical Society·DateAug 28, 2014