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Scientists discover new, noncommittal mechanism of drug resistance

Microorganisms like bacteria and fungi can evade treatment by acquiring mutations in the genes targeted by antibiotics or antifungal drugs. These permanent mutations were once thought to be the only way for drug-resistant strains to evolve.
Researchers identify a treatment that prevents tumour metastasis
Metastasis is the strategy adopted by tumour cells to transform into an aggressive form of cancer. Managing to block the metastasis or, even better, prevent their formation would be a giant step in the fight against cancer.
How to drive DNA knots with an electric potential
DNA has the habit of getting tangled and forming knots. Scientists study these knots to understand their function and learn how to disentangle them (e.g. useful for gene sequencing techniques).
 
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