coli to ultraviolet (UV) light and ... to identify the first mutation that conferred radiation resistance in E. coli. This discovery was crucial in establishing that bacteria have active ...

To do this, Julie Laurent irradiated the bacterial cells with UV-C light, which damages random ... of the DNA damage and to thereby induce mutations. Using a miniature apparatus, she then ...

The mutation was observed across multiple independent bacterial populations, occurring predictably in 137 out of 153 replicate cultures. This mutation is directly linked to transcriptional ...

When they introduced an F158C mutation in the PheS of pathogenic Klebsiella pneumoniae and enterohemorrhagic E. coli, bacterial strains that commonly cause disease in people, the mutants exhibited ...

Bacteria and several other organisms also possess another mechanism to repair UV damage called photoreactivation ... however (Sinha & Hader, 2002). Mutations in an organism's DNA are a part ...

In bacteria, mutations in plasmids can accumulate surprisingly fast. What does this mean for us humans, who have to fight with these new antibiotic resistant strains? Now, say that a few days ...

Drug-resistant infections - especially from deadly bacteria like tuberculosis and staph - are a growing global health crisis.

The findings could have broad implications for understanding bacterial evolution, adaptation, and antibiotic resistance. The research, conducted by Andrew D. Farr, Christina Vasileiou, Peter A. Lind, ...

Killing bacteria and viruses with UV light is particularly effective because it kills germs regardless of drug resistance and without toxic chemicals. It is also effective against all germs ...

This suggests that similar mutation hotspots could exist in other genes and bacterial species. A new study published in PLOS Genetics has identified an extreme mutational hotspot within the genome ...