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Abstract Ribosomes translate mRNAs by matching every 3-nucleotide sequence in mRNA, producing the corresponding proteins. As the amino acid sequence directly dictates the activity of the protein, frameshifts often lead to unexpected effects. Here, ribosome profiling reveals that the intracellular pathogen Salmonella Typhimurium suppresses frameshift in the ugtL antimicrobial resistance gene during translation.
Abstract Many bacteria are often resistant to antibiotic treatment because they can slow down their growth rate, thereby attenuating the drug's effectiveness. A similar growth-rate control is observed in pathogens that infect and persist inside their hosts. The bacterial toxin-antitoxin (TA) system serves as a non-heritable phenotypic switch by slowing down growth through the expression of a toxin component.
Abstract Genome-wide identification of binding profiles for DNA-binding proteins in Salmonella Typhimurium within macrophages is crucial for understanding virulence gene expression and cellular processes. However, this task remains challenging due to the limited amount of intracellular bacterial cells.
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