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Experimental evolution reveals how bacteria gain drug resistance

A research team at RIKEN Center for Biosystems Dynamics Research successfully evolved Escherichia coli under antibiotic pressure, identifying mechanisms and constraints underlying drug resistance. The findings can be used to develop strategies that minimize the chance of bacteria developing resistance.

SourceRIKEN·JournalNature Communications·DateNov 24, 2020

Compound for Alzheimer's combats bacterial resistance to last-resort antibiotics in mice

Researchers found that PBT2 disrupts metals in polymyxin-resistant bacteria, resensitizing them to treatment and boosting survival rates in mice with sepsis. The compound may offer a solution to the growing threat of antibiotic resistance, which poses a grave danger to patients with bacterial infections.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience Translational Medicine·DateNov 18, 2020

Environmental scientists' new ozonation method treats water from antibiotic residues

Environmental scientists at TalTech have developed a new ozonation method to treat drinking water contaminated with pharmaceutical residues. The study compared the efficiency of ozone, ozone/hydrogen peroxide and ozone/persulfate processes in degrading sulfamethoxazole and trimethoprim, finding promising results for the O3/PS process.

SourceEstonian Research Council·JournalEnvironmental Research·DateNov 17, 2020

Clinicians who prescribe unnecessary antibiotics fuel future antibiotic use

A Harvard Medical School study found that clinicians who prescribe unnecessary antibiotics for viral infections increase the likelihood of patients seeking care for similar infections in the future. This leads to a significant increase in antibiotic prescriptions, exacerbating the problem of antibiotic resistance and unnecessary spending.

SourceHarvard Medical School·JournalClinical Infectious Diseases·DateNov 9, 2020

New tricks for old antibiotics

Doxycycline, an antibiotic, confers protection against sepsis by inhibiting mitochondrial protein production, reducing cell damage and promoting tissue repair. The study opens new possibilities for therapies targeting disease tolerance mechanisms to combat infections and diseases like sepsis.

SourceInstituto Gulbenkian de Ciencia·JournalImmunity·DateOct 22, 2020

Boron nitride nanofilms for protection from bacterial and fungal infections

Researchers at NUST MISIS have developed antibacterial nano-coatings based on boron nitride that are highly effective against microbial pathogens, including up to 99.99% efficacy against E. coli bacteria. The coatings work by releasing the antibiotic gentamicin locally, reducing the need for high doses and minimizing side effects.

SourceNational University of Science and Technology MISIS·JournalACS Applied Materials & Interfaces·DateOct 20, 2020

How antibiotics interact

A joint study by University of Cologne researchers predicts the outcomes of combining certain antibiotics using mathematical models. The scientists found that interactions between antibiotics are often caused by bottlenecks in the translation cycle, allowing them to predict the effects of antibiotic combinations without trial and error.

SourceUniversity of Cologne·JournalNature Communications·DateAug 31, 2020

Are antivitamins the new antibiotics?

Researchers from the University of Göttingen have developed a promising new approach involving antivitamins to combat bacterial infections. The study found that antivitamins can inhibit bacterial proteins, preventing their function and leading to potential antibiotic effects.

SourceUniversity of Göttingen·JournalNature Chemical Biology·DateAug 24, 2020

Antibiotic overuse reduces bladder cancer survival rates

A new study by Flinders University researchers found that antibiotic use is directly associated with worse survival rates in patients with urothelial carcinoma treated with atezolizumab. The study suggests antibiotics may specifically reduce the effectiveness of cancer immunotherapies, highlighting a need for extra caution when using t...

SourceFlinders University·JournalEuropean Urology·DateAug 16, 2020

SMART researchers find new way to make bacteria more sensitive to antibiotics

A team at SMART has found that exposing bacteria to hydrogen sulfide can increase antimicrobial sensitivity in bacteria that do not produce H2S, potentially providing a breakthrough in treating drug-resistant infections. The study suggests that the results may be applicable to all bacteria that do not naturally produce H2S.

Grow faster, die sooner

Research by Technical University of Munich shows that faster-growing bacteria are more likely to die when deprived of food, highlighting the balance between growth and survivability in bacterial fitness. The study may lead to improved effectiveness of antibiotics by stimulating intestinal bacteria growth.

SourceTechnical University of Munich (TUM)·JournalMolecular Systems Biology·DateAug 6, 2020

AI may offer a better way to ID drug-resistant superbugs

A machine learning algorithm using high-temporal-resolution growth curves distinguishes bacterial pathogen strains with 92-98% accuracy, predicting antibiotic resistance as well as genetic-based methods. The method has the potential to be faster, simpler, and less expensive than current techniques.

SourceDuke University·JournalProceedings of the National Academy of Sciences·DateAug 4, 2020

Anatomy of an acne treatment

Researchers at Yale University discovered how sarecycline's chemical structure makes it an effective antibiotic for treating acne. The study found that sarecycline binds to messenger RNA in bacterial ribosomes, blocking protein synthesis and boosting its effectiveness.

SourceYale University·JournalProceedings of the National Academy of Sciences·DateAug 3, 2020