Could these bacteria-killing viruses help fight antibiotic resistance? A new discovery takes us closer
Bacteriophages could help fight antibiotic-resistant infections. New research reveals how their genes work – and may help scientists engineer more effective viruses.
Bacteriophages, or phages, are viruses that infect and kill bacteria, presenting a potential alternative to antibiotics in the face of antibiotic resistance. Despite their abundance and potential, our knowledge of phages is limited due to the complexity of their genes and limited research. To address this gap, a new method called Phage Tn-seq (transposon sequencing) has been developed to pinpoint which genes phages need to function and insert new genetic material into their genomes.
By utilizing transposons, which are mobile pieces of DNA that disrupt gene function, researchers can use CRISPR-Cas immune systems within phages to identify essential genes. This technique allows for the development of engineered phages that could be more effective at attacking harmful bacteria, offering hope for treating antibiotic-resistant infections.
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