Background DNA fragments in an A. baumanii strain susceptible to imipenem. The strain was incubated with 0.76 μg/ml of the antibiotic. A high dilution of the culture before being enclosed in agarose microgel allows a more detailed visualization of the extracellular background, after SYBR Gold staining. It is evidenced that the background corresponds to DNA fragments in different levels of spreading, from a punctual appearance to an extended fiber.
Santiso et al. BMC Microbiology 2011 11:191 doi:10.1186/1471-2180-11-191